英语四级改错精练(6)

英语四级改错精练(6),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

　The first man known to use a signal other than a
　bonfire used a chandelier. He was lord of a castle that
　stood near a rocky seacoast. He hang the chandelier, 1.__________
　containing many large tallow candles, in the highest
　tower of his castle. Thus he warned passing ship from 2.__________
　the danger along the coast.

　Candles soon became the common fuel for signal
　lights. They were later replaced by oil lamps, that 3.__________
　could burn larger and brighter. Kerosene and gas lamps 4.__________
　also tried. These are still in use now in some smaller
　lighthouses. But today most lighthouses sent electric 5.__________
　light blazing out over the sea.

　The ancient fire signals only say "Danger! Keep off!".
　But the modern lighthous also identifies it in a code 6.__________
　known to all shipping. Most of the great lights have
　their own special signals. The light may be one that
　blinks--as a giant firefly in the night. Or it may be 7.__________
　a revolved light that is red then green. Or it may be 8.__________
　only white. But however the signal, it is sent very 9.__________
　regularly. A ship within its ranges is never at a loss to
　know which lighthouse it is, and where it is being 10.__________
　located

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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.

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