单项选择题

“排水口”中的“排”普通话韵母是ei。（） A. 对 B. 错

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做颈椎操时动作应轻柔缓慢，逐渐增加动作幅度和运动量。

答案：正确

单项选择题

A new idea began to _______ from his mind when he was on his way back home.

A、emerge
B、output
C、starve
D、tend