题目内容

Chinese Government set May 1 as the official Labor Day in the year of _____.

A. 1949
B. 1954
C. 1999
D. 2008

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Which of the following is not correct about a labor union?

A. It is an organization formed by workers in a particular trade, industry, or company.
B. It is also officially known as a “labor organization,” or a “workers union”.
C. It represents each worker’s interests.
D. It aims to ensure fair wages, benefits, and working conditions for union members.

液力传动是以工作液体的动能进行能量传递和控制的装置。

A. 对
B. 错

液力变矩器是连接发动机曲轴和自动变速器输入轴的装置。

A. 对
B. 错

液力变矩器在汽车承受负荷时,不能增大转矩进行传动。

A. 对
B. 错

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