题目内容：

Teenagers are always stressed out now.  They are often too busy to think about their diets and exercise. The truth is that healthy___, along with regular exercise is the only way to keep fit.

        During your teenager years, _____ is important to give your body the energy that needs. 50% of your calories(卡路里)should come from rice,____ __, vegetables and fruit. You also need to ___ a lot of water, six to eight glasses a day, _____ water will improve your skin and give you ______ hair.

        Exercise can help to make you look good, feel good and be healthy. Scientists suggest that ____ should spend at least 30 minutes exercising every day.

        When you exercise, your body produces ____. It makes you __ and energetic. It can even help you _____ better at night and let you pay more attention when you study in the day.

1.A. cooking       B. thinking        C. drinking         D. eating

2.A. she           B. it             C. he              D. you

3.A. exercise       B. bread          C. air              D. time

4.A. eat           B. drink           C. taste            D. feel

5.A. Some         B. Little           C. Enough         D. Any

6.A. healthy        B. bad            C. dry             D. ugly

7.A. teenagers      B. workers         C. doctors          D. adults

8.A. nothing        B. anything        C. everything       D.something

9.A. relaxed        B. tired            C. worried         D. surprised

10.A. play          B. sleep           C. drive           D. work