As the proverb says,“No one knows the value of health until he loses it.”In other words, nothing is more valuable than health.

　　It is clear that health is the foundation(基础) of one's future success. If you become sick, it is scarcely possible to pursue(从事) your career effectively, much less make your dreams come true. On the other hand, if you are strong, you can go all out to overcome the obstacles(障碍) that lie ahead of you.

　　Health is the resource of our energy. What should we do to maintain(保持) our health? First we should exercise every day to strengthen our muscles. Second, we might as well keep good hours. If we get up early, we can breathe fresh air and see the sunrise. This habit can do wonders for our outlook on life. Third, there is a proverb that says,“Prevention is better than cure.”If you pay close attention to your health, you can avoid getting sick, or at least cure yourself of a disease while it is still in its beginning stage.

　　In conclusion, health is more important than wealth. Those who are rich but poor in health are no more fortunate than those who are poor, and healthy in body. If you want your wish to come true, health is the most important component(组成部分) of your success.

　　57.A man knows the value of health _____.

　A.till he loses　B.before he loses it C.after he loses it　D.when he doesn't lose it

　58.In the second paragraph,“go all out to”means _____.

　A.go yourself outside to　B.try very hard to C.go with your friends to　D.save your energy to

　59.In the third paragraph, the topic sentence is _____.

　　A.Health is the resource of our energy  B.Prevention is better than cure

　　C.We might as well keep good hours  D.This habit can do wonders for our outlook on life

　60.“Those who are rich but poor in health are no more fortunate than those who are poor, and healthy in body”this sentence is understood as “_____”.

　　A.Those who are rich but poor in health are less fortunate than those who are poor, and healthy in body.

　　B.Those who are rich but poor in health are as fortunate as those who are poor, and healthy in body.

　　C.Those who are rich but poor in health are not more fortunate than those who are poor, and healthy in body.

D.Those who are rich but poor in health are as unfortunate as those who are poor, and healthy in body.

Find ways to praise your children often,_____ you’ll find they will open their hearts to you.

A. till　 B. or　 C. and　 D. but

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　　From Monday till Friday most people are busy__1__or studying, __2__in the evenings and on weekends they___3___enjoy ___4___. Some watch TV or go to movies; others engage in sports. It ___5___ individual（个人的）interests. ___6___ many different ways to spend our spare time.

　　Almost everyone has some kind of hobby. It may be anything ___7___collecting stamps___8___model airplanes. Some hobbies are very expensive, but others___9___anything at all. Some collections are worth a lot of money, others are ___10___only to___11___.

　　I know a man who has a coin___12___worth seven thousand dollars. A short time ago he bought a rare fifty-cent piece worth 250 dollars! He was very happy about that and thought the price was___13___. On the other hand, my younger brother collects match boxes. He has almost 600 of them but I___14___if they are worth any money. However, to my brother they are extremely___15___ ___16___makes him happier than to find a new match box for his collection.

　　That's___17___a hobby means, I guess. It is something we like to do in our spare time simply___18___of it.___ 19___in dollars is not important but the pleasure it___20___us is important.

　　On May 21, 2000, some American scientists were working at the computers to look for information they needed . Suddenly they saw a lot of very bright red spots crossing the computers’ screens. At the same time the computers were working much slower. To find out what was happening they stopped their work to check some parts of the computers. To their horror, they found out that most of their stored information was got rid of by computer viruses (病毒). Obviously all these computers had been infected by computer viruses.

It is said that the computer viruses were made by two or three Philippine young men fond of playing tricks. They all had excellent education. They created the viruses just to show their intelligence. The kind of computer virus is named I Love You Virus. This virus can hide in computers for long. When the time comes they will attack the computers by lowering the important functions, damaging their normal programs or even getting rid of a great deal of information which operators of the computers often use or store, what’s worse, it still can reproduce itself in great quantities within a short time.

We come to know that “I Love You” Virus often attacks computers on Mondays and that it is spreading to many computers in the world. Among the countries that suffered computer viruses last year are Britain, Australia, Switzerland and the USA. Those who made the computer muses have been found out slowly and carefully. But till now, how to get rid of the terrible viruses remains a problem.

1.When the viruses attack the computers, the computers will work _______.

　　A. normally　B. abnormally　C. faster　D. well

2 .Two or three Philippine young men created the computer viruses to _______.

　　A. damage the computers

　　B. test their ability quickly

　　C. tell the world that they were intelligent

　　D. play a trick in operators of the computers

3. According to the passage, computer viruses seem to________.

　　A. have been in nature for years

　　B. exist in any computers

　　C. be able to be got rid of in the near future

　　D. be difficult to get rid of at present

4.The most serious damage caused by the viruses is that_______.

　　A. the computer’s funtions are lowered

　　B. the normal programs are damaged

　　C. all the information stored in the computers is gone

　　D. the computers infected by the viruses can no longer be used

5. According to the passage, which of the following is true?

　　A. Scientists are trying to find a way to get rid of the viruses.

　　B. The viruses will come to the new computer after staying in the old one for some time.

　　C. Last year four countries found their computers were infected by 　　viruses.

　　D. The “I Love You” Virus is a great harm to human health.