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【单选题】
检查屋面有无渗漏、积水和排水系统是否畅通，后或持续淋水（）后进行。A.
2h
B.
12小时
C.
24小时
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举一反三
【简答题】From the passage we know that the development of high technology is in the interests of ________. A) the rich countries B) scientific development C) the elite D) the world economy
【单选题】From the passage we can infer that the relationship between the author and his Grandpa was
A.
close.
B.
remote.
C.
tease.
D.
impossible to tell.
【单选题】From the passage we can draw the conclusion that the authors' attitude toward flunking is
A.
negative.
B.
positive.
C.
biased.
D.
indifferent.
【简答题】From the passage we can conclude the writer’S attitude toward Generation Y is
【简答题】From the passage we know that most MBAs
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