優(yōu)質(zhì)cet4改錯(cuò)題

1、America ns this year will swallow 15000 tons ofaspiri n, one of safest and most effective drugs 1.inven ted by man. The most popular medic ines in the 2.world today, it is an effective pain reliever. Its badeffects are relatively mild, and it is cheap.For millio ns of people suffered from arthrities

2、, 3.it is the only thing that works. Aspiri n, in short, istruly the 20th-ce ntury won der drug. It is also thesec ond largest suicide drug and is the leadi ng cause ofpois oning among childre n. it has side effects that, if 4.relatively mild, are largely un recog ni zed betwee n users. 5.Although a

3、spiri n was first sold by Germam compa nyin 1899, it has bee n around much Ion ger tha n that.Hippocrates, in ancient Greece, un derstood the medical valueof the leaves and tree bark which today is known to 6.contain salicylates, the chemical in aspiri n. duri ng the19th cen tury, there was a great

4、nu mber of experime ntati on 7.in Europe with this chemical, and it led in the in troduct ion 8.of aspiri n. By 1915, aspiri n tablets were available in the Uni ted States.A small quantity of aspirin(two five-grain tablets)relieves pain and in flammatio n. It also reduces dow n 9.fever by in terferi

5、 ng with some of the bodys react ions.Specifically, aspiri n seems to slow dow n the formatio nof the acids in volved in pain and the complex chemicalreacti ons that cause fever. The chemistry of these acidsis not fully un derstood, and the slow ing effect of aspiri n 10.is well known.參考答案1. of A sa

6、fest the2. medicines medicine(or: drug)3. suffered suffering4. if t though(or: although)5. between t among6. is t are7. number t deal(or: amount,quantity)8. in t to9. down t /10. and t butCrime has its own cycles, a magaz ine reportedsome years before. Police records that were studied 1.for five yea

7、rs from over 2400 cities and tow ns showa surprised link betwee n cha nges in the seas on and 2.crime patter ns.The pattern of crime has varied very littleover a long period of years. Murder reaches its highduri ng July and August, as does rape and other viole nt 3.attacks.Murder, however, is more t

8、ha n seas on al: it is a 4.weekend crime. It is also a hightime crime: 62 percent of members are committed betwee n 6 p.m. and 6 a.m.Un like the summer high in crimes of bodily harm,burglary has a different cycle. You are most likelyto being robbed betwee n 6 p.m. and 2 a.m. on a Saturday 5.ni ght i

9、n December, Janu ary,or February. The most un crim inal month of all? May-except for one stra nge statistic. More dog bites are reported in this month than in an other month of the year. 6.Appare nt our in tellectual seas onal cycles are 7.completely differe nt from our crim inal tenden fess

10、or Huntington, of the Foun dati on for the Studyof Cycles, made exte nsive studies to discover theseas ons whe n people read serious books, atte nd scie ntificmeeti ngs, make the highest scores on exam in ati ons,and to propose the most cha nges to pate nts. In all 8.in sta nces, he found a spri ng

11、peak and an autu mn peakseparated by a summer low. On other hand, Professor 9.huntintons studies in dicated that June is the peakmonth for suicides and admissi ons in men tal hospitals. 10.June is also a peak month for marriages!參考答案1. before ago2. surprised surprising3. does t do4. however t moreov

12、er5. being t be6. an t any7. apparent t apparently8. to(1) t /9. On A other t the10. in t toPersonal relati on aships are very importa nt. Theyare the key of doing bus in ess in Arab coun tries. Try 1.to ide ntify the decisio n-maker regard ing as your 2.product or service immediatelya nd get to kno

13、w him on a frien dly basis. Do your homework. Be prepared todiscuss detial of your product or proposal. Be ready 3.to an swer tech ni cal questi ons.Familiarize yourself to the Moslem and n ati onal 4.holidays. Avoid a visit duri ng Ramada n, the Moslem month of fast ing. Most Arab coun tries have a

14、 six-day workweek from Saturday through Thursday. When match ing 5.with the Mon day to Friday practice in most Western coun tries, it leaves only three and a half workdays shared.Remember this in pla nning your appo in tme nts.Moslems do not eat pork. Some are strict about thereligio ns prohibiti on

15、 for alcoholic beverages. If you 6.are not sure, wait your host to suggest the proper 7.thing to drink.Only a generation ago, Mauritanias capital city wasmany 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 fen ces. The dese

16、rt stretches out as far as the eye can see.In some parts of the Amaz on rain forest in brazil, allthe trees have cut dow n. The earth lies bare and dry in the 3.hot sun. Noth ing grow there anymore. 4.Over vast areas of every con ti nent, the rain fall and vegetati on n ecessary for life is disappea

17、ri ng. Already 5.more tha n 40 perce nt of the earths land is desert and 6.desert-like. About 628 millio n people-one out of seve n- live in these dry regi ons. In the past, they have man aged to survive, but in difficulty. Now, largely through problems 7.caused by moder n life, our existe nee is threate ned by the 8.slow, steady spread of the earths deserts.Many coun tries first became concerned in 1970s after 9.a terrible drought and famine destroyed Africas Sahel, the fragile desert along the so