When he arrived at the office, he found all the workers ___

When he arrived at the office, he found all the workers ________.A.working B.wo

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对于大型排水混凝土构筑物,后浇带设置应遵循(  )的原则。

对于大型排水混凝土构筑物,后浇带设置应遵循(  )的原则。A.尽量多留置 B.尽量少留置 C.数量适当,位置合理 D.数量合理,位置适当

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某管道长为200m,材料为碳素钢[其管道线膨胀系数为12X10-6m/(m• ℃)],安装时温度为0℃,运行时最高温度为

某管道长为200m,材料为碳素钢[其管道线膨胀系数为12X10-6m/(m• ℃)],安装时温度为0℃,运行时最高温度为125℃,则运行时最大热伸长量为(  )

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----Are you going to see the film with us?-----No, thanks.

----Are you going to see the film with us?-----No, thanks. I ____ it.A.saw B.h

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Sam _____ Chinese since he came to China. He speaks good Ch

Sam _____ Chinese since he came to China. He speaks good Chinese now.A.learns B

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