我国经济和社会发展规划实行（）管理体系。

A.二级二类 

B.二级三类 

C.三级二类 

D.三级三类

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These years, with the development of society(社会), more and more teenagers have suffered from stress. Some of the problems can make them feel very w  小题1:  and unhappy all day. Who can help them? A teacher from a college tried his best to help them. He thought of a lot of w小题2:  to help them. On Monday and Thursday, you can c 小题3:  his hotline. Here are some ideas how to keep the young men healthier in every way.

F 小题4: , it is very important to keep healthy. To get e 小题5:  sleep every day is also necessary. Try to have a healthy d  小题6:   every day. Secondly, maybe you are not the top student. It doesn’t m   小题7:. The most important thing is to work hard. If you try your best, your teachers and parents will understand you. If you have some problems, you should be a 小题8:   to talk with your teachers and parents. They can help you. Remember to s  小题9: your happiness and s 小题10:  with your good friends. Sometimes you can go out for a walk.

In a word, you can try to make you happy by yourselves. I’m sure you can be happy every day.