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【判断题】
在进行高程布置时,应选择距离最长,水头损失最大的流程进行水力计算,并留有余地。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Georges Valensi's patent lasted until 1971 because ______.
A.
nobody would offer any reward for his, patent prior to that time
B.
his patent could not be put to use for an unusually long time
C.
there were not enough TV stations to provide color programmes
D.
The color TV receiver was not available until that time
【单选题】听力原文：Michael would have been second to nobody in his class if he had not made any mistakes in the grammar section of the final exam. (26)
A.
Michael had not made any mistakes in the grammar section.
B.
Michael is the second to have had made grammatical mistakes.
C.
Michael didn't rank the first in the final exam.
D.
Michael failed in the final exam.
【单选题】George Valensis patent lasted until 1971 because______.
A.
nobody would offer any reward for his patent prior to that time
B.
his patent could not be put to use for an unusually long time
C.
there were not enough TV stations to provide colour programmes
D.
the colour TV receiver was not available until that time
【单选题】Georges Valensi's patent lasted until 1971 because ______ .
A.
nobody would offer any reward for his patent prior to that time
B.
his patent could not be put to use for an unusually long time
C.
there were not enough TV stations to provide color programs
D.
the color TV receiver was not available until that time.
【单选题】Nobody would pay anything to anyone unless they could get it back ()
A.
somehow
B.
somewhat
C.
sometime
D.
somewhere
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