题目内容

尖轨在第一拉杆中心处的最小动程是多少?

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查照间隔和护背距离的规定?

Regular exercise is one of the most important factors that contribute to good health.

A. 对
B. 错

Good living habits are beneficial for keeping fit.

A. 对
B. 错

Eating fast food can help create a healthy state of mind.

A. 对
B. 错

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