Teenagers live very busy lives now and often forget to think

Teenagers live very busy lives now and often forget to think about their diets and exercise.In fact,healthy 31 along with regular exercise is the only way to keep fit.During your teenage years,giving your body the energy that it needs is 32 .Teenage 33 need about 2,200 calories(千卡热量)a day while boys need a bit 34 —doctors suggest 2,800 for teenage boys.50% of your calories should come 35 rice,bread,vegetables and fruit.You 36 need to drink a lot of water,6 to 8 glasses a day.Drinking enough water will improve your skin and give you healthy hair.
Exercise is something that can help you.37 ,it can make you look good,feel good and be healthy.Experts (专家) suggest that teenagers should spend at least 30 minutes exercising,five times a week.When you exercise,your body produces something that makes you feel 38 .It can even help you 39 better at night and let you pay more attention 40 you study!
31.A.drink
32.A.important
33.A.boys
34.A.less
35.A.from
36.A.but
37.A.As if
38.A.interested
39.A.wake
40.A.because
B.diet
B.hard
B.girls
B.fewer
B.for
B.only
B.Like
B.terrified
B.sleep
B.when
C.juice
C.difficult
C.students
C.more
C.to
C.hardly
C.Such as
C.relaxed
C.move
C.though
D.fruit
D.comfortable
D.workers
D.much
D.into
D.also
D.For example
D.worried
D.laugh
D.but

B 饮食
A 重要
B 女孩
C 多
A 来自于
D 还
D例如
C 放松
B 睡觉
B 当