题目内容

This passage can be entitled____.

A Silly Question
B. Don't Trouble a Busy Man
C. What Are Good Greetings
D. George Bernard Shaw's Reply

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【C6】

A. observable
B. differentiate
C. recognizable
D. accountable

在气相色谱分析某组分时,已知其保留值为11 min,空气出峰时间为0.5 min,则该组分由于溶解或吸附于固定相较不溶解或不被吸附在色谱柱中多滞留的时间为()。

A. 5.5 min
B. 10.5 min
C. 11.5 min
D. 22 rain

According to the passage, freedom can not be easily given since_____.

A. it is in not what workers care about
B. it has nothing to do with increasing productivity
C. freedom will do harm to the management
D. machines in modern factories must be organized in a fixed way

买卖合同的变更、解除、终止或者无效,不影响仲裁协议的效力。()

A. 正确
B. 错误

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