英语四级改错精练(5)

英语四级改错精练(5),标签：四级完形填空真题答案,四级完形填空练习技巧,http://www.xuehuiba.com

　Jungle country is not friently to man, but it is
　possible to survive there. You must have the right equipment
　and you must know a lot important things about 1.__________
　woodcraft(森林知识). Then your choices of staying living 2.__________
　are very good.

　No one should go into the jungle without the right
　equipment. You need lightweight clothings, a good sheath 3.__________
　knife or machete, and a compass. Fishhooks and a line, a
　rifle and ammunition, matches in a waterproof container,
　and a poncho are necessary too. Such is a mosquito net 4.__________
　to pretect the head.

　In the jungle you can get hopeless lost within 5.__________
　five minutes after leaving a knowing landmark. That is 6.__________
　why you should always carry a compass. In open country,
　during the day, you can tell which way to go by studying
　the sun. At night the stars are sure of guides to direction 7.__________
　But in most places the jungle rooftop is so thick
　that this is impossible to see the sun or the stars. Again 8.__________
　and again you must check the position by the compass.

　Keep alert. Watch the ground in front of you carefully.
　Stop and listen now and again. Avoid haste, and rest
　often. In a place where is hot and humid, the person who 9.__________
　sets a fast pace will soon become tired. A steady, even
　pace is wisest on the long run. 10.__________

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　Americans this year will swallow 15000 tons of
　aspirin, one of safest and most effective drugs 1.__________
　invented by man. The most popular medicines in the 2.__________
　world today, it is an effective pain reliever. Its bad
　effects are relatively mild, and it is cheap.

　For millions of people suffered from arthrities, 3.__________
　it is the only thing that works. Aspirin, in short, is
　truly the 20th-century wonder drug. It is also the
　second largest suicide drug and is the leading cause of
　poisoning among children. it has side effects that, if 4.__________
　relatively mild, are largely unrecognized between users. 5.__________

　Although aspirin was first sold by Germam company
　in 1899, it has been around much longer than that.
　Hippocrates, in ancient Greece, understood the medical value
　of the leaves and tree bark which today is known to 6.__________
　contain salicylates, the chemical in aspirin. during the
　19th century, there was a great number of experimentation 7.__________
　in Europe with this chemical, and it led in the introduction 8.__________
　of aspirin. By 1915, aspirin tablets were available
　in the United States.

　A small quantity of aspirin(two five-grain tablets)
　relieves pain and inflammation. It also reduces down 9.__________
　fever by interfering with some of the body's reactions.
　Specifically, aspirin seems to slow down the formation
　of the acids involved in pain and the complex chemical
　reactions that cause fever. The chemistry of these acids
　is not fully understood, and the slowing effect of aspirin 10.__________
　is well known.

　参考答案　

　1. of ∧ safest → the
　2. medicines → medicine(or: drug)
　3. suffered → suffering
　4. if → though(or: although)
　5. between → among
　6. is → are
　7. number → deal(or: amount,quantity)
　8. in → to
　9. down → /
　10. and → but

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　Crime has its own cycles, a magazine reported
　some years before. Police records that were studied 1.__________
　for five years from over 2400 cities and towns show
　a surprised link between changes in the season and 2.__________
　crime patterns.

　The pattern of crime has varied very little
　over a long period of years. Murder reaches its high
　during July and August, as does rape and other violent 3.__________
　attacks.Murder, however, is more than seasonal: it is a 4.__________
　weekend crime. It is also a hightime crime: 62 percent
　of members are committed between 6 p.m. and 6 a.m.

　Unlike the summer high in crimes of bodily harm,
　burglary has a different cycle. You are most likely
　to being robbed between 6 p.m. and 2 a.m. on a Saturday 5.__________
　night in December, January,or February. The most
　uncriminal month of all? May--except for one strange
　statistic. More dog bites are reported in this month

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