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。
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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
The author can't make a choice between the real world and the virtual one.
A. 对
B. 错
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