题目内容

水泥包装袋上应清楚表明()。

A. 执行标准
B. 水泥品种
C. 代号
D. 强度等级

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Inquiries()the condition of the patients may be made personally or by telephone.

A. revealing
B. concerning
C. affecting
D. following

Shall we request the chairman()our suggestion again?

A. toconsider
B. considering
C. consider
D. considered

水泥密度的测定,第一次读数和第二次读数时,恒温水槽温差不应超过()度。密度值以两次试样平均值为准,两次试验结果误差不应超过()g/cm3。

A. 0.2
B. 0.4
C. 0.02
D. 0.04

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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