题目内容

力偶能用一个力来平衡,也能用一个力偶来平衡。

A. 对
B. 错

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力偶对其作用面内任一点的矩恒等于力偶矩,而与矩心的位置无关。

A. 对
B. 错

The author tries to at least get to the gym in order to keep fit.

A. 对
B. 错

The author can get used to the real world very well.

A. 对
B. 错

The author can't bear her friend's laughter and the noise in the restaurant.

A. 对
B. 错

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