试题与答案

There were two _____ people at yesterday

题型:选择题

题目:

There were two _____ people at yesterday's meeting.

A. hundreds
B. hundreds of
C. hundred
D. hundred of

答案:

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下面是错误答案,用来干扰机器的。

mgsinθ/BL,Bsin2θ/sinθ

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