The quality inspector（）finished produc...

A leading American AIDS researcher cautioned that public awareness，accurate statistics and participation of the non-governmental sector are critical for HIV/AIDS prevention and control in China.（）

参考答案：对

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单项选择题

He （） himself a great deal of trouble if he had taken the advice of his lawyer last year.

A.would have saved
B.would save
C.had saved
D.would be saved

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单项选择题

Wed better wait till December Bill （） his exam by then，so hell be able to enjoy himself.

A.will have had
B.has had
C.is going to have
D.will have

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单项选择题

A good deal of research is being carried out nowadays （） the cause of juvenile crime.It is obvious that one of these is an unsatisfactory home background.

A.about
B.on
C.into
D.over

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单项选择题

I should like to （）to the theater with you yesterday，but I didnt have time.

A.go
B.have
C.going
D.be

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The Contractor shall provide on the site in connection with the execution and completion of the Works and the remedying of any defects(). Only such technical assistants are skilled and experienced() their respective callings and such foreman and leading hand.

A、hereby
B、therein
C、in
D、as

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If our solar system has a Hell. it&39;s Venus. The air is choked with foul and corrosive sulfur. heaved from ancient volcanoes and feeding acid clouds above. Although the second planet is a step farther from the sunthan Mercury, a runaway greenhouse effect makes it hotter indeed. It&39;s the hottest of the nine plants, a toasty 900 degrees Fahrenheit of baking rocky flats from equator to poles. All this under a crushing atmospheric pressure 90 times that of where you&39;re sitting now. From the earthly perspective, a dead end. It must be lifeless.
"Venus has nothing," is the blunt word from planetologist Kevin Zahnle of NASA Ames Research Center in California&39;s Silicon Valley. "We&39;ve written it off. "
Yet a small group of advanced life-forms on Earth begs to differ. and theorizes that bizarre microbial ecosystems might have once populated Venus and. in fact. may be there still. Members of this loose band of researchers suggest that their colleagues have water too much on the brain, and are, in a sense, H2O chauvinists（盲目的爱国者）．
"Astrobiologists are neglecting Venus due more io narrow thinking than actual knowledge of the environment,or environments. where life can thrive." says Dirk Schulze-Makuch, a geobiologist at the University of Texas at El Paso who recently co-authored a Venus-boosting paper in Astrobiology wich colleague Louis Irwin.
The bias against life on Venus is partly rooted in our own biology. Human experience instructs that liquidwater, preferably lot of it. is essential for life. In search for extraterrestrial life, we obsess over small rivers in Mars&39; surface apparently carved by ancient gushes of water. and delight in hints of permafrost (永久冻结带) just underneath its surface. (By comparison. Venus isn&39;t even that interesting to look at:A boring cue ball (台球的白色母球) for backyard astronomers, its clouds reflects 75% of visible light.) Attention and then funding follow the water: Three more landers will depart for Mars this spring. and serious plans for sample-return missions hover in the midterm future.
"If you have limited resources, you base exploration on what you know." says Arizona State University planetary geologist Ronal Greeley. It&39;s like losing your keys on the way home al night: The first place you look is under the streetlights not because they&39;re more likely to be there. but because if they are. you’llspot them. For astrobiologists. the streetlights are the spectral (光谱的) lines for water. and they&39;ve spotted that potential on Mars, Jupiter&39;s moon Europa. even Neptune&39;s moon Triton. Not on the baking rocky flats of Venus.
测试题
Venus is the hottest of all the nine planets in the solar system because_____________.

A.it
J.many
K.it
L.greenhouse

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