To examine the effects of parent participation on adolescents' smoking behaviors.

探讨家长参与程度对初中生吸烟行为的作用。

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[Objective] To examine the effects of parent participation on adolescents' smoking behaviors.

【目的】探讨家长参与程度对初中生吸烟行为的作用。

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NWCS needs parent participation and input to make the practices and performance go more smoothly!

学校需要家长的参与及提供构想﹐好让晚会的节目更加生动﹐进行得更加顺利。

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In Philadelphia, 31 schools are undergoing turnarounds, which typically involve layoffs of faculty and staff who are invited to reapply for their jobs, as well as parent participation.

WSJ: Comeback School Misses Mark