题目内容

Let's not wait any longer, he might not ____ at all.

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Lao Zhang is very _______in doing his work, so his comrades all have confidence in him.

With the increasing consciousness of self health care, millions of Chinese people______ in a variety of daily physical exercises, ranging from traditional shadow boxing to modern aerobics Compete play share.

He was a man of strong social________, who actively campaigned against poverty in all its form.

把机械能转换成液体压力能的装置是()

A. 动力装置
B. 执行装置
C. 控制调节装置
D. 辅助装置

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