P. P. S. Have you guys eaten the beef jerky yet? Haha, you should try it! It's not bad!

你们有没有食过那牛肉干啊？哈哈试试吧！ 不错的！

The blood lead level of children having bad habits of diet and behavior was higher than that of not having bad habits, but there had no significant statistical difference(both P>0.05).

有不良饮食、行为习惯的儿童血铅水平高于无不良习惯的儿童血铅水平，但差异无统计学意义（均P>0.05）。

The students' choosing school is not only a method to choose education, but also has an bad influence to our society. The article deals with the reasons of the p…

中小学生择校既是教育选择的一种手段，也给社会带来了一些负面影响，本文主要探讨我国中小学生“择校热”产生的原因及解决这一问题的对策。