题目内容
12．Good health is the most valuable thing a person can have，but one cannot take good health for granted．It is important to remember that the body needs proper care in order to be healthy．There are three things that a person can do to help stay in good shape：eat right food，get enough sleep，and exercise regularly．Proper nutrition（营养）is important for good health．Your body cannot work well unless it receives the proper kind of"fuel（燃料）"．Don't eat too much food with lots of sugar and fat．Eat plenty of foods high in protein，like meat，fish，eggs and nuts．Vegetables and fruits are very important because they provide necessary vitamins and minerals．However，don't overeat．It is not helpful to be overweight．
Getting the proper amount of sleep is also important．If you don't get enough sleep，you feel tired and easily get angry．You have no energy．Over a long period of time a little amount of sleep may even result in a change of personality （人的个性）．Be sure to allow yourself from seven to nine hours of sleep each night．If you do，your body will feel strong and refreshed，and your mind will be sharp．
Finally，get plenty of exercise．Exercise firms the body，strengthens the muscles，and prevents you from gaining weight．It also improves your heart and lungs．If you follow a regular exercise program，you will probably increase your lifespan（寿命）．Any kind of exercise is good．Most sports are excellent for keeping the body in good shape：basketball，swimming，bicycling，running and so on are good examples．Sports are not only good for your body，but they are enjoyable and interesting，too．
If everybody were to eat the right foods，get plenty of sleep and exercise regularly，the world would be a happier and healthier place．We would all live to be much older and wiser．
21．According to the passage，A．
A．we should always keep fit
B．if we were healthy，we could spend our days in doing things with less sleep
C．one can eat a lot to stay in good shape
D．one needn't take any exercise if he is healthy
22．In order to keep good health，C．
A．we should eat a lot of sweets
B．one needs a large amount of fat
C．people should eat according to the food's nutrition
D．we must try to sleep now and then
23．Eating more and sleeping lessB．
A．can make you keep healthy
B．is no good for you
C．gets you more energy
D．will keep your personality
24．According to the passage，the benefits of proper exercise are as follows EXCEPT thatC．
A．exercise can help build up the body
B．exercise may make you live longer
C．exercise may help cure heart diseases
D．exercise can bring happiness to people．
分析 本文介绍了如何保持健康，针对如何保持健康这一问题，给出了一些建议．
解答 21．A，推理判断题，根据句子Good health is the most valuable thing a person can have可知，我们要一直保持健康，故答案为A．
22．C，推理判断题．根据文章第二段内容可知我们一定要吃合适的食物，要按照营养学的规律，要把肉类的蔬菜水果搭配在一起．故选C．
23．B，细节理解题．根据第二段最后一句However，don"t overeat．It is not helpful to be overweight．和第三段第二句If you don"t get enough sleep，you feel tired and easily get angry．说明不要吃太多，也不要睡觉不够，都对身体不好，故选B．
24．C，细节理解题，根据句子If you follow a regular exercise program，you will probably increase your lifespan（寿命）．Any kind of exercise is good．Most sports are excellent for keeping the body in good shape：basketball，swimming，bicycling，running and so on are good examples．Sports are not only good for your body，but they are enjoyable and interesting，too．可知，运动能增强体质，延长寿命，还能给人带来快乐，故答案为C．
点评 解答任务型阅读理解题，首先对原文材料迅速浏览，掌握全文的主旨大意．因为阅读理解题一般没有标题，所以，速读全文，抓住中心主旨很有必要，在速读的过程中，应尽可能多地捕获信息材料．其次，细读题材，各个击破．掌握全文的大意之后，细细阅读每篇材料后的问题，弄清每题要求后，带着问题，再回到原文中去寻找、捕获有关信息．最后，要善于抓住每段的主题句，阅读时，要有较强的针对性．对于捕获到的信息，要做认真分析，仔细推敲，理解透彻，只有这样，针对题目要求，才能做到稳、准．
