题目内容

水泥胶砂强度检测试验中，将水泥加入胶砂搅拌锅内，再加入水。

A. 对
B. 错

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水泥胶砂强度检测试件需养护至各规定龄期。

A. 对
B. 错

The name of the visitor's company is ...

A. Household Electronics
B. Household Electrics
C. Home Electronics

The name of the visitor is...

A. Mr. Williams
B. Mr. Lessing
C. Ms. Williams

The visitor has an appointment at ...

A. ten thirty
B. ten o'clock
C. ten minutes past ten