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【简答题】
阅读短文,判断正误。正确写“T”,错误写“F”。 Mr.Green is about fifty. He comes from London. Now he is working in a big school in China. Mr.Green likes working in China. He can speak some Chinese but not much. He often talks with other people in Chinese. But he wants his students to talk with him in English. He comes to school early in the morning. And he goes home late in the afternoon. He works very hard all day. He's very kind to his students, and they all love him very much. Mr. Green has two children, a son and a daughter. The children are in England, with their mother. On Sunday Mr.Green often goes fishing in a river near his school. 'Chinese people are very kind and the food is very great,' he often says. 'I love China. Let's be good friends.' He often writes to their children and his wife and tells them about China. (     )1. Mr. Green is from England. (     )2. He likes to talk with his students in Chinese. (     )3. He seldom goes fishing on Sunday. (     )4. He likes Chinese people and Chinese food. (     )5. He often writes to his children and wife and tells them about his work.
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举一反三
【多选题】下列关于刚性转子的平衡的一些表述,哪些是正确的?( )
A.
只要经过平衡计算后的转子就可以达到平衡精度的要求
B.
只要质心处在转子回转中心上的刚性转子就是完全平衡的
C.
对于任何动不平衡的转子,不论其不平衡质量分布在几个平面内,只要在两个平衡基面内分别加上或除去一个适当的平衡质量 , 即可达到完全平衡
D.
动平衡的转子一定是静平衡的 , 而静平衡的转子就不一定是动平衡的
【单选题】11月21日这天我是第几组报告?
A.
第一組
B.
第二組
C.
沒有報告
【多选题】下列关于刚性转子的平衡的一些表述,哪些是正确的?( )
A.
只要经过平衡计算后的转子就可以达到平衡精度的要求
B.
只要质心处在转子回转中心上的刚性转子就是完全平衡的
C.
动平衡的转子一定是静平衡的,而静平衡的转子就不一定是动平衡的
D.
对于任何动不平衡的转子,不论其不平衡质量分布在几个平面内,只要在两个平衡基面内分别加上或除去一个适当的平衡质量 , 即可达到完全平衡
【单选题】11月21日这天我是第几组报告?
A.
第一组
B.
第二组
C.
第三组
D.
没有报告
【简答题】A.Some TV sets. B.Some computers. C.Some printers. D.Some recorders.
【单选题】【C9】
A.
to some extent
B.
by some extent
C.
to some extension
D.
by some extension
【单选题】Caught between profitability concerns and the government's desire to protect farmers, Chinese insurers have been ( ) to take up the risky agriculture insurance business.一方面要谋取商业利润,另一方面政府力求保护农民,中国保险公司受...
A.
reluctant
B.
recent
C.
react
D.
reflect
【多选题】下列关于刚性转子的平衡的一些表述,哪些是正确的
A.
对于任何动不平衡的转子,不论其不平衡质量分布在几个平面内,只要在两个平衡基面内分别加上或除去一个适当的平衡质量,即可达到完全平衡
B.
动平衡的转子一定是静平衡的,而静平衡的转子就不一定是动平衡的
C.
只要质心处在转子回转中心上的刚性转子就是完全平衡的
D.
只要经过平衡计算后的转子就可以达到平衡精度的要求
【多选题】自建固定资产按实施的方式不同分为( )。
A.
自建工程
B.
自营工程
C.
出包工程
D.
在建工程
【多选题】下列关于刚性转子的平衡的一些表述,正确的是 。
A.
动平衡的转子一定是静平衡的,而静平衡的转子就不一定是动平衡的
B.
对于任何动不平衡的转子,不论其不平衡质量分布在几个平面内,只要在两个平衡基面内分别加上或除去一个适当的平衡质量,即可达到完全平衡
C.
只要经过平衡计算后的转子就可以达到平衡精度的要求
D.
只要质心处在转子回转中心上的刚性转子就是完全平衡的
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