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【简答题】
__________ A) The interview is very important for him. B) He has never been to an interview. C) He hasn't prepared for the interview. D) The interview is said to be quite demanding.
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【单选题】已知某卵石表观密度为2750 kg /m3，堆积密度为1770 kg /m3，则其空隙率为( )。
A.
0.5537
B.
0.3564
C.
0.6436
D.
54.63
【简答题】用所给词的适当形式填空 1. Please listen to me (careful), I have something important to tell you. 2. The ( twelve) lesson is more difficult. 3. The girl is old enough to look after ( she). 4. The supermarket is u...
【单选题】已知某卵石表观密度为2750 kg /m3，堆积密度为1770 kg /m3，则其空隙率为
A.
55.37 %
B.
35.64%
C.
64.36%
D.
54.63
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