[四级] 英语四级改错练习题 第001----006组

英语四级改错练习题 第001组
 



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 

英语四级改错练习题 第002组
 



Crime has its own cycles, a 
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
meetings, make the highest scores on examinations,
and to propose the most changes to patents. In all 8.__________
instances, he found a spring peak and an autumn peak
separated by a summer low. On other hand, Professor 9.__________
huntinton's studies indicated that June is the peak
month for suicides and admissions in mental hospitals. 10.__________
June is also a peak month !

参考答案　

1. before → ago
2. surprised → surprising
3. does → do
4. however → moreover
5. being → be
6. an → any
7. apparent → apparently
8. to(1) → /
9. On ∧ other → the
10. in → to