根據(jù)短文內(nèi)容，從短文后的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。選項(xiàng)中有一項(xiàng)為多余選項(xiàng)。
   How is the health condition of students in China？A report said that from 2016 to 2020，the number of heavy students in China was getting small.
   Why？（1）

D

D

The rules help to improve the physical health of students across our country.
   How do students enjoy good health？With the rules，almost 95 percent of schools in our country ask their students to exercise for at least one hour each day.Sports such as soccer，volleyball，basketball and tennis get into students' school life every day.One of the rules also says that students must have at least two PE classes every week.（2）

A

A

This is good，right？
   Although there are fewer heavy students，s survey shows that the number of the heavy students in primary and middle schools is over 10 percent.（3）

F

F

" Maybe students have too much homework.So they have not time to exercise，"an official says."What we need to do is to help them get into the habit of exercising.（4）

E

E

"
   （5）

B

B

To keep healthy，they really need enough exercise.

A.What's more，PE should not be cancelled（取消） or replaced with other subjects. B.In the coming days，PE will be a very important subject for students. C.How long do the students exercise every day？ D.Because our country has been making some useful rules for students. E.Then they can live a healthy and happy life. F.Students still have some problems with their health and exercise.