题目内容：
A.错误
B.正确
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选择题：硅酸盐水泥的耐磨性优于粉煤灰水泥。()
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___________ nameisBob.[ ]A.SheB. HeC. HisD. I
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AIDS control and prevention isa to China as well as the who
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经中国人民银行负责人批准,商业银行可采取临时冻结措施,但冻结时间不得超过( )小时。A.24B.48C.7
经中国人民银行负责人批准，商业银行可采取临时冻结措施，但冻结时间不得超过( )小时。A．24B．48C．72D．12
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