题目内容

The box was very heavy, but Tom still ________ to carry it

A. award
B. manage
C. interview
D. embarrass

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Tony Green has worked very hard to make his dream a(n) _________ .

A. situation
B. reality
C. embarrass
D. interview

We should all take a leaf ______ of Lei Feng’s book.

A. out
B. from
C. in
D. at

Tom’s dream is to become a doctor, and he is working very hard to turn his dream ____ a reality.

A. to
B. in
C. into
D. from

采用毛细管区带电泳分析某样品,阴离子和阳离子都发生迁移,中性分子也向阴极迁移,则中性分子的驱动力是()。

A. 电压
B. 电流
C. 电渗流
D. 电泳流

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