题目内容

井字架的主要作用是加强车架底盘的()

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当年孔繁森在西藏的时候,藏民主动给他送青稞酒,这是一种相互培养的道德情感。()

有了正确的道德导向表,还需要在社会范围内展开道德教育。()

By mentioning "thumb sucking", the author wants to prove that______.

A. some behaviors are common before the age of 5
B. children will stop some behaviors as they grow
C. many behaviors only happen when children drop out
D. some parents overreact to their children"s behavior

塔式起重机由()、()和()三部分组成。

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