题目内容

为改善T12钢的切削加工性,通常采用( )处理。

A. 完全退火
B. 球化退火
C. 去应力退火
D. 正火

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Which of the information is true according to the passage

A. Most managers interviewed felt that their colleagues needed more training.
B. Employers today are looking for proven experience rather than potential ability.
C. The Management Charter Initiative is an attempt to standardize MBAs.
D. Companies would have benefited more from recruiting MBAs rather than investing in their own staf

在带动传中,不产生打滑的皮带是( )。

A. 平带
B. V带
C. 齿形带
D. 可调节V带

轴组的装配要求是轴和其上零件装配后( )。

A. 固定不动
B. 相对转动
C. 运转平稳
D. 提高转速

The author's primary purpose in the passage is to ______.

A. support Alcoholics Anonymous as a means of coping with alcoholism
B. present a learning paradigm that will help alcoholics to understand what causes their dependence upon alcohol
C. explain the application of a psychological approach to alcoholism
D. help researchers to formulate workable hypotheses about the treatment of 'alcoholism

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