The word "groundbreaking" (Para. 7) can be interpreted as______.
A. pioneering
B. essentially new
C. epoch-making
D. evolutionary
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Yang Liwei didn't send any message back lo Earth.
A. Right.
B. Wrong.
C. Doesn't say.
【B1】
A. met
B. watched
C. see
Why do women seem less likely to fall in love with the objects themselves？
A. Because they have no visual-spatial skills.
Because they are only good at language and verbal reasoning.
C. Because they are less likely to see their charming or interesting aspects.
D. Because they rarely use machines such as cars, rifles, computers, etc.
According to the passage, pollution of the air and water is caused by______.
A. thousands of tons of gases coming out of the exhausts of motor vehicles
B. the changes of the environment that technology has brought to man
C. the increasing amount of oil that has been produced
D. industrial wastes discharged into rivers
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