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【单选题】
某车辆采用减速器，第一级主、从动齿轮齿数分别为13和25.第二级主、从动齿数分别为15和45.那么主减速器的传动比是：A.
3.46
B.
4.923
C.
5.77
D.
3
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【简答题】阅读下面的短文，然后按照要求写一篇150词左右的英文短文。 Every morning, on his way to work, Mike passed an old man who was always at the same place with a cup in his hand hoping to get a bit of change from those who passed by. ...
【单选题】根据课程内容,诸如保险、银行等行业,一般每天都有早会、晚会,每天进行总结,体现了全面绩效管理()的设计原则
A.
公开与开放
B.
可靠性与准确性
C.
可行性与实用性
D.
定期化与制度化
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【简答题】局域网体系结构仅包含OSI参考模型最低两层,分别是_____层和_____层。
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【简答题】根据短文内容，选择正确答案 Liu Yun, 13, pretty and smart. She is a good student. But many students try to stay from her because Liu Yun’s mum has (爱滋病) and her father has died of . Luckily, Liu Yun didn’t ...
【简答题】五．单句改错：（10分） 1.He said he wouldn’t go back to be rich for anything.________ 2.Tom had to drop out school because of his poor family._____ 3.I spend all of my money very fast and save nothing of it.___...
【简答题】局域网体系结构仅包含 OSI 参考模型最低两层,分别是( ) 层和( ) 层。
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【单选题】根据课程内容,诸如保险、银行等行业,一般每天都有早会、晚会,每天进行总结,体现了全面绩效管理()的设计原则
A.
公开与开放
B.
可靠性与准确性
C.
可行性与实用性
D.
定期化与制度化
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