题目内容

________ was proved that he was the guilty man.

A. It
B. He
C. So
D. As

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He ________ his way through the crowd and followed her.

A. rushed
B. thrust
C. went
D. threw

She ________ about the time of flights to Shanghai.

A. inquired
B. required
C. informed
D. revealed

一台三相异步电动机的额定电压是220/380V,应使定子绕组为()联接才能使电动机的功率不变。

A. △/Y
B. Y/△
C. Y/Y
D. △/△

More than 100 fire-fighters ________ Florida blaze on Monday.

A. fiddled with
B. helped with
C. collided with
D. struggled with

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