人教版八年级上册英语书Unit2答案(2)

7Section B 1d答案

8Section B 2b答案

Exercise：15%：every day 

45%：4-6times a week  

20%：1-3times a week

20%：no exercise    

Use the Internet：90%：every day  

10%：3-4 times a week      

Watch TV:85%：every day 

13%：4-6 times a week 

2%：1-3 times a week

9Section B 2c答案

1.20%  

2.90%.  

3.Every day.Game shows. 

4.Exercise.It is healthy for the mind and the body.

10Section B 2d答案

2. Eighty-five percent of the students always watch TV.      

3. Forty-five percent of the students usually exercise.  

4. Ten percent of the students someties use the Internet.  

5. Thirteen percent of the students usually watch TV.    

6. Two percent of the students somnetimes watch TV.

11Section B 3a答案

every day，often，hardly，usually，sometimes，hardly，never

12Self Check第3题答案

sometimes，How often，Hardly，How often，every，always