题目内容

灌浆时散落的灌浆料拌合物可以二次使用。( )

A. 对
B. 错

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灌浆料30min流动度应小于260mm。( )

A. 对
B. 错

夜间灌浆作业施工人员必须戴好安全帽,采用的电动灌浆泵可不设接地装置。( )

A. 对
B. 错

1.We’re going to pay Alice a visit if she ______ next Sunday.

A. has time
B. have time
C. will have time
D.will be free.

Dr Liu will come to call on you as soon as he ______ his letter.

A. finished
B. finish
C. finishing
D. finishes