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1、专题五完形填空议论、说明类（90分钟 142.5分）考点01：冠词 3颗星考点02：代词 3颗星考点03：介词和介词短语 2颗星考点04: 名词 3颗星 考点05：主谓一致 5颗星考点06：形容词和副词 5颗星考点08：非谓语动词 5颗星考点09：动词的时态和语态 5颗星考点10：定语从句 3颗星考点12 并列连词 4颗星考点13 状语从句 3颗星考点14：特殊句式 2颗星考点21：完形填空说明文/ 议论文5颗星 一、完形填空1How long can human beings live? Most scientists who study old age think that the hum
2、an body is 1to live no longer than 120 years. However, 110 years is probably the longest that anyone could hope to live if he or she is2 healthy and lucky. Some scientists even say we can live as long as 130 years! Yet, our cells simply cannot continue to reproduce 3 . They wear out, and as a result
3、, we get old and 4die. Even though we cant live forever, we are living a 5 life than ever before. In 1900, the average American life span (寿命) was only 47 years, but today it is 75 years!When does old age begin then? Sixty-five may be out-of-date as the 6 line between middle age and old age. After a
4、ll, many older people dont begin to experience physical and mental7until after age 75.People are living longer because more people 8 childhood. Before modern medicine changed the laws of nature, many children died of common childhood9 . Now that the chances of dying10are much lower, the chances of l
5、iving long are much higher due to better diets and health care.On the whole, our population is getting older. The11 in our population will have lasting effects on our social development and our way of life. Some people fear such changes will be for the worse, while some see 12 , not disaster, many m
6、en and women in their “golden years” are healthy, still active, and young in13if not in age. As the society grows old, we need the14 of our older citizens. With long lives ahead of them, they need to15active and devoted.1.A.designedB.selectedC.improvedD.discovered2.A.completelyB.generallyC.apparentl
7、yD.extremely3.A.rapidlyB.harmlesslyC.endlesslyD.separately4.A.eventuallyB.hopelesslyC.automaticallyD.desperately5.A.busierB.longerC.richerD.happier6.A.finishingB.guidingC.waitingD.dividing7.A.stressB.damageC.declineD.failure8.A.surviveB.enjoyC.rememberD.value9.A.problemsB.fearsC.worriesD.diseases10.
8、A.poorB.youngC.sickD.quiet11.A.changesB.recoveryC.safetyD.increases12.A.dreamsB.chancesC.strengthsD.choices13.A.mindB.appearanceC.voiceD.movement14.A.protectionB.suggestionsC.contributionsD.permission15.A.soundB.appearC.turnD.stay2.阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。 Throughout history ma
9、n has to accept the fact that all living things must die. But people now live longer than they 1 . Yet, all 2 things still show the effect of aging, which will eventually 3 death. Aging is not a disease, but as a person passes maturity (成熟期),the cells of the body and the 4 they form do not function
10、as well as they 5 in childhood and teenage years. The body provides less 6 against diseases and is more 7 to have an accident. A number of related causes may 8 aging. Some cells of the body have a fairly long life, but they are not 9 when they die. As a person ages, 10 of brain cells and muscle cell
11、s decreases. 11 body cells die and are replaced by new cells. In an aging person the 12 cells may not be as workable or as capable 13 growth as those of a young person. Another 14 in aging may be changes within the cells 15 . Some of the protein chemicals are known 16 with age and become less elasti
12、c(有弹性的).This is why the skin of old people wrinkles and17 . This is also the reason why old people 18 in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and 19 information that the cells need. Aging may affect this 20 a
13、nd change the information- carrying molecules(分子)so that they do not transmit(发送) the information either.1.A.wouldB.be used toC.used toD.used2.A.livelyB.livingC.aliveD.live3.A.lead inB.give inC.run intoD.result in4.A.handsB.feetC.heartD.organs5.A.doB.has doneC.didD.had done6.A.energyB.protectionC.po
14、werD.prevention7.A.likelyB.probableC.possibleD.alike8.A.attend toB.contribute toC.add toD.devote to9.A.replacedB.rebornC.recoveredD.surrounded10.A.a numberB.the amountC.the numberD.a great deal11.A.The othersB.The otherC.AnotherD.Other12.A.oldB.leftC.newD.other13.A.toB.forC.ofD.in14.A.factorB.effectC.conditionD.form15.A.for themselve
