题目内容：

Do you like junk food? Do you enjoy eating hamburgers, hot dogs, French fries and chips? Do you like soft drinks, candy and ice cream ?If your answers are “Yes”, you ‘d better ______.Most of them are junk food .

Junk food has lots of fat ,salt and sugar , ______few nutrients .Most scientists say junk food is ______.Our body changes sugar into fat . _____you have 3 spoonfuls of sugar each day ,how much sugar would you have eaten by the time you are 50?It will be 280 kilograms ! About 5 times as heavy as _____!

Junk food has been ___in the world for many years .Why? Firstly, it is ____to make .It doesn’t take much money to ____junk food .Secondly ,it is quick and easy for people to have .Thirdly many people ,including children ,like it ___it tastes good .Lastly ,most junk food has food additives .So it ____and tastes better ,and can be kept for a long time .

Junk food is bad for health ,__ __for children .It is the cause of over-weight heart diseases and many other health ____.When children start eating lots of junk food ,they will not have enough milk and healthy fruit juice .This can cause a lack of calcium in their body .But it’s OK to have junk food ____.it depends on your weight ,age and activities .If you are over-weight and want to lose weight ,you should eat as little junk food ___. Junk food still have some nutrients and is a small part of a _____diet .So you should eat about 95%of healthy food ,and then eat 5%of junk food .

1.A.be careful B. take care of them C. care for themD.care about them

2.A.and           B.while       C.with    D.but

3.A.expensive    B.inexpensive    C. healthy  D.unhealthy

4.A.When         B.After        C.I f      D.Since

5.A.you weigh   B.your weight   C.you haveD.you get

6.A.popular    B.interested     C.boring    D.worrying

7.A.difficult   B.easy         C.expensive D.cheap

8.A.make        B.do           C.find     D.look for

9.A.if         B.because       C.while    D.and

10.A.sounds    B.sells        C.looks    D.proves

11.A.really    B.especially     C.clearly  D.certainly

12.A.problems   B.questions     C.troubles  D.difficulties

13.A.some time  B.sometime     C.sometimes   D.some times

14.A.as possible B.as necessary  C.as you want D.as you need

15.A.healthy    B.tasty          C.delicious   D.balanced