监理工程师不能按时参加验收，须在开始验收( )向承包人提出书面延期要求。
A. 前12小时
B. 后12小时
C. 前24小时
D. 后24小时
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Summers succeeded in preserving his position in Harvard mainly through______.
A. objecting to none of the arguments of his critics
B. talking about his own viewpoint with his accusers
C. speaking with those, feminists in a harsh way
D. complaining to be humiliated and intimidated by them
If the information give in this passage is correct, when we look at a star at night （）
A. we will notice that it is not moving
B. we cannot tell whether or not it still exists
C. it will be brighter than the moon
D. it is four years that the light we can see will reach us
The heavily populated area was a breeding place for______ diseases.
A. powerful
B. infectious
C. influential
D. suspicious
The reason for the disappointing sale records of GM and Ford is NOT including______.
A. the continually rising gas prices
B. the unpleasant winter weather
C. the unusually strong sales in December
D. the powerful competition from Japan
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