皮皮学，免费搜题
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【单选题】
养成爱护企业设备的习惯,( )
A.
在企业经营困难时,是很有必要
B.
对提高生产效率是有害的
C.
对于效益好的企业,是没有必要的
D.
是体现职业道德和职业素养的一个重要方面
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正确
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【单选题】Visiting US President George W. Bush said in Beijing on Friday that both China and the United States should encourage bilateral contacts and exchanges to promote mutual understanding. 'It's important ...
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【单选题】胸导管常注入( )。
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B.
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【判断题】出口化妆品经检验检疫不合格的,只要进行技术处理就能出口。()
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