新英語四級(jí)改錯(cuò)練習(xí)題及答案

1、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 arthriti

2、es, 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 a

3、spirin 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 num

4、ber 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

5、 some of the bodys 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. 參考答案 1. of safest the 2.

6、 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 Crime has its own cycles, a magazine reported some years before. Police records that were studied 1._ for five years from over

7、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

8、: 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,

9、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

10、 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 sep

11、arated by a summer low. On other hand, Professor 9._ huntintons studies indicated that June is the peak month for suicides and admissions in mental hospitals. 10._ June is also a peak month for marriages!參考答案 1. before ago 2. surprised surprising 3. does do 4. however moreover 5. being be 6. an any

12、7. apparent apparently 8. to(1) / 9. On other the 10. in to Personal relationaships are very important. They are the key of doing business in Arab countries. Try 1._ to identify the decision-maker regarding as your 2._ product or service immediatelyand get to know him on a friendly basis. Do your ho

13、mework. Be prepared to discuss detial of your product or proposal. Be ready 3._ to answer technical questions. Familiarize yourself to the Moslem and national 4._ holidays. Avoid a visit during Ramadan, the Moslem month of fasting. Most Arab countries have a six-day workweek from Saturday through Th

14、ursday. When matching 5._ with the Monday to Friday practice in most Western countries, it leaves only three and a half workdays shared.Remember this in planning your appointments. Moslems do not eat pork. Some are strict about the religions prohibition for alcoholic beverages. If you 6._ are not su

15、re, wait your host to suggest the proper 7._ thing to drink.Only a generation ago, Mauritanias capital city was many days walk from the Sahara. Today it is in the Sahara. 1._ The sand blows through the city streets and piles up in 2._ walls and fences. The desert stretches out as far as the eye can

16、see. In some parts of the Amazon rain forest in brazil, all the trees have cut down. The earth lies bare and dry in the 3._ hot sun. Nothing grow there anymore. 4._ Over vast areas of every continent, the rainfall and vegetation necessary for life is disappearing. Already 5._ more than 40 percent of

17、 the earths land is desert and 6._ desert-like. About 628 million people-one out of seven- live in these dry regions. In the past, they have managed to survive, but in difficulty. Now, largely through problems 7._ caused by modern life, our existence is threatened by the 8._ slow, steady spread of the earths deserts. Many countries first became concerned in 1970s after 9._ a terrible drought and famine destroyed Africas Sahel, the fragile desert a