单项选择题X 纠错
A.It is cleaner than places on the ground.
B.It is a symbol of modern living.
C.It is the world' s seventh largest subway.
D.It is built in the nation' s capital.
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单项选择题
A.None.
B.Three.
C.Six.
D.Seven.
单项选择题
A.His team would no longer take part in international games.
B.Hockey and the Federation are both ruined by the unfair decisions.
C.There should be no more hockey matches organized by the Federation.
D.The Federation should be dissolved.
单项选择题
A.created goodwill between the nations
B.bred only false national pride
C.barely showed any international friendship
D.led to more and more misunderstanding and hatred
单项选择题
A.too much patriotism was displayed in the incident
B.the announcement to prolong the match was wrong
C.the appeal jury was too hesitant in making the decision
D.the American team was right in rejecting the silver medals
单项选择题
A.elementally schools
B.enthusiastic workers
C.the attractive premium system
D.a special way of thinking
单项选择题
A.they are both winners of awards
B.they are both experts in spatial thinking
C.they both abandon verbal description
D.they both use various instruments
单项选择题
A.benefited a lot from their mathematical knowledge
B.shed light on disciplined school management
C.was brought about by privileged home training
D.owed a lot to the technological development
单项选择题
A.The Atmosphere and Our Environment
B.Research on Radiation
C.Effects of Space Radiation
D.Importance of Protection Against Radiation
单项选择题
A.the Apollo mission was very successful
B.protection from space radiation is no easy job
C.astronauts will have deformed children or grandchildren
D.radiation is not a threat to well-protected space explorers
单项选择题
A.exposure to even tiny amounts of radiation is fatal
B.the effect of exposure to radiation is slow in coming
C.radiation is avoidable in space exploration
D.astronauts in spacesuits needn' t worry about radiation damage