英语四级改错精练(11)

英语四级改错精练(11),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

　Word came from California of a new weapon in the war on household pests．Two scientists work for a firm in California developed 1．__________
　a new method to eliminate insects with using dangerous chemicals．The new 2．__________
　weapon—hot air．The basic idea is that insect pests can adjust to temperature much above 3．__________
　normal． In laboratory experiments，cockroaches and termites can’t survive much more than a quarter of hour at 100 degrees 4．__________
　Fahrenheit or about fifty degrees centigrade． The new method involves covering a house with a huge tent，and fill it with air heated to 5．__________

　around 65 degrees centigrade．Hot air is forced in with fans and the tent keeps the heat inside the house．Although termites try to escape by 6．__________
　hiding in wood beams，the heat treatment must be continued by four to six hours．But when it's 7．__________
　all over and the insects are dead， there are no toxic residues to danger humans or pets，and no 8．__________
　funny smells．Scientists claim that there's no danger of fire too． 9．__________

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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
　than in an other month of the year. 6.__________

　Apparent our intellectual seasonal cycles are 7.__________
　completely different from our criminal tendencies.
　professor Huntington, of the Foundation for the Study
　of Cycles, made extensive studies to discover the
　seasons when people read serious books, attend scientific

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