【S9】_考试资料网

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S1】

答案：正确答案：darken—darkened

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S1】

答案：正确答案：them—themselves

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S1】

答案：正确答案：doing—done

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S2】

答案：正确答案：between—from

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S2】

答案：正确答案：which—who

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S2】

答案：正确答案：∧work—a

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S3】

答案：正确答案：the—去掉the

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S3】

答案：正确答案：device—devices

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S4】

答案：正确答案：up—off

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S3】

答案：正确答案：for一of

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S4】

答案：正确答案：go∧一for

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S4】

答案：正确答案：that—which

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S5】

答案：正确答案：at—to

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S5】

答案：正确答案：other—去掉other

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S5】

答案：正确答案：a一去掉a

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S6】

答案：正确答案：care∧一of

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S6】

答案：正确答案：for—to

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S7】

答案：正确答案：that—which

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S6】

答案：正确答案：subjected—subjecting

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S7】

答案：正确答案：dealing—dealt

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S8】

答案：正确答案：rise—arise

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S7】

答案：正确答案：so∧一that

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S8】

答案：正确答案：are—is

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S8】

答案：正确答案：by—with

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S9】

答案：正确答案：Unfortunately—Fortunately

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S9】

答案：正确答案：that—what

问答题

Here in the United States, before agricultural activities destroyed the natural balance, there were great migrations of Rocky Mountain locusts(蝗虫). Great migrating hordes of these insectsonce darken the skies on the plains east of the Rockies where crops【S1】were often destroyed; the worst years were those between 1874 to【S2】1877. One of these migrating swarms was estimated to contain 1. 24billion locusts. During the another migration in Nebraska it was【S3】estimated that the swarm of locusts averaged half a mile high and was 100 miles wide and 300 miles long. Usually, these swarms takeup from the ground against the wind, but, once airborne, they turn【S4】and fly with it. Warm convection currents(对流)help to lift them,often at great heights. During the great locust plagues the situation【S5】in Nebraska became so serious that the original state constitutionhad to be rewritten to take care the economic problems. The new【S6】document was known as "The Grasshopper Constitution". It is now believed that these locusts were a migratory form or phase of thelesser migratory locust, that is still common there. In this respect,【S7】the North American migratory locusts resemble their Africanrelatives. In both regions the migratory forms rise as a result of【S8】crowding and climatic factors. Migratory forms are apparently natural adaptations which bring about dispersal when locustpopulations become too crowded. Unfortunately for our farmers, the【S9】migratory form no longer seems to occur regularly, although there was a serious outbreak as late as 1938 in midwestern United States and Canada. Actually, there is no reason why the destructivemigratoiy form might not again appear if circumstances become【S10】favorable.【S10】

答案：正确答案：∧become一should

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S9】

答案：正确答案：that—those

问答题

Shop-lifters can be divided into three main categories; the professionals, the deliberate amateurs, and the people who justcan’t help them. The professionals do not pose much of a problem【S1】for the store detectives, which, assisted by closed circuit television,【S2】two-way mirrors and various other technological device, can usually【S3】cope with them. The professionals tend to go high value goods in【S4】parts of the shops where security measures are tightest. And, in anyother case, they account for only a small percentage of the total【S5】losses due to shop-lifting. The same applies for the deliberate amateur who is, so to【S6】speak, a professional in training. Most of them get caught sooner orlater, and they are dealing with severely by the courts.【S7】 The real problem is that the person who gives way to a suddentemptation are in all other respects an honest and law-abiding【S8】citizen. Contrary to that one would expect, this kind of shop-lifter is【S9】rarely poor. He does not steal because he needs the goods but cannot afford to pay for them. He steals because he simply cannot stop himself. And there are countless others who, because of age,have sick or plain absent-mindedness, simply forget to pay for what【S10】they take from the shops. When caught, all are liable to prosecution, and the decision about whether to send for the police or not is in the hands of the store manager.【S10】

答案：正确答案：sick—sickness

问答题

The term "print" has several meanings, so it is important to understand exactly what is meant by the artistic terminology. A printin the artistic sense is not a reproduction of a work of art doing in【S1】some other medium, such as painting or drawing. That can in nosense be considered as work of art, since the artist had no【S2】involvement with it. A print is an original work of art created by anindirect method. Instead for making an image directly on a surface,【S3】as in drawing or painting, the artist works on a master surface, that【S4】may be a sheet of metal, a block of stone, a wood, plastic, or【S5】linoleum(油布). From this master surface, numerous impressions may be made by inking the surface, laying a sheet of paper on it,and then subjected both surface and paper to pressure, generally by【S6】means of a printing press. A print may exist in several versions. Sometimes theprintmaker alters the image between impressions, so each print is【S7】slightly different from the others. Any series of such prints is referred to as multiples. The number of impressions(known as theedition)that are possible from a single original varies by the【S8】material. Prints made from linoleum, which wears readily, will befewer than that made from a metal plate, which is capable of striking【S9】fine-quality prints in the thousands. It is customary to number printsas they come off the press, the earlier impressions being the finer【S10】and therefore the most desirable.【S10】

答案：正确答案：finer—finest

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