题目内容

I just managed to()a quick breath before I was pulled under the water by the passing boats.

A. load
B. gain
C. take
D. escape

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包装袋是红色的水泥包括()。

A. 硅酸盐水泥
B. 普通硅酸盐水泥
C. 矿渣水泥
D. 火山灰水泥

GB175一2007中“按0.50水灰比和胶砂流动度不小于180mm来确定用水量”中规定的适用水泥品种有:()。

A. 普通硅酸盐水泥
B. 掺火山灰质混合材的普通硅酸盐水泥
C. 粉煤灰硅酸盐水泥
D. 硅酸盐水泥

Mr. Sanders has been asked to()the next meeting of the committee.

A. manage
B. chair
C. listen
D. think

Many students found the book ();it provided them with a large amount of information on the subject.

A. informative
B. confusing
C. distracting
D. amusing

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