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1英语四级作文重点句型：开头I……hasbothadvantagesanddisadvantages.……既有利又有弊。例如：1.Obviouslytelevisionhasbothadvantagesanddisadvantages.2.Livinginacityhasbothadvantagesanddisadvantages.3.Comparedwithcars，bikeshavetheiradvantagesanddisadvantages.举一反三：1.Althoughcomputersbringpeoplealotofconvenience，theyhavemanydisadvantages.2……hasmanyadvantages.Forexample，……However，justaseverycoinhastwosides，……hasitsdisadvantages.(本例将利弊分开讲，转折过渡自然。justaseverycoinhastwosides也很值得背诵。)II……play(s)animportantrole/partin……在……中扮演重要角色/起重要作用。例如：1.Computersplayanimportantroleinscienceandtechnology.2.Computersplayamoreandmoreimportantroleinourlife.Computersplayanincreasinglyimportantroleinourstudies.3.Educationplaysanimportantpartindevelopingourmind.4.Addictiontoalcoholanddrugsplayaroleinhomelessness.举一反三：1.Advertisementplaysaninformativeroleinourdailylife.2.Inthepast，lettersplayedadecisiveroleinlong-distancecommunication.Butnow，telephone，email，faxhavetakentheirplace.III.Withthedevelopmentof……，随着……的发展，例如：1.Withthedevelopmentofoureconomy，manyChinesefamiliescanaffordacar.22.Withthedevelopmentofoureconomyandsociety，pollutionismoreandmoreserious.3.Withtherapiddevelopmentofscienceandtechnology，peoplecangetacollegedegreebytakingonline-coursesathome.4.Withthecurrentsocialandtechnologicaldevelopments，employeeswithmoreknowledgeandhigheracademicdegreesareneeded.举一反三：1.WiththerapidincreaseofChina‘spopulation，housingproblemisbecomingmoreandmoreserious.随着中国人口的急剧增加，住房问题越来越突出。2.Withmoreandmorewomenenteringsociety，people‘sattitudetowardswomenischanging.随着越来越多的妇女走入社会，人们对妇女的态度也在改变。3.WiththedeepeningofChinesereformandopeningup，anincreasingnumberofChinesefamiliescanaffordacar.随着中国改革开放的深入，越来越多的中国家庭买得起车了。(“越来越多”除了常用的moreandmore外，还可以用anincreasingnumberof，agrowingnumberof，asignificantnumberof，agreatnumberof等来表达。)本结构看似固定，实则富于变化，只要记住with有“随着”的意思，相信大家可以根据实际的需要造出更多的句子。我们已经看到，开门见山的开头使论文直切主题，直白明确地提出了论点。不过在讨论某些有争议性的问题时，就显得有欠缺，因为我们必须在文章的开头引出人们对要讨论的问题的不同看法，然后再表明自己的观点。下面就是专门针对争议性论文的一种句型。IV.Whenitcomesto……，somepeoplethink/believethat……，othersargue/claimthatopposite/reverseistrue.Thereisprobablysometruthinbotharguments/statements，but……当说到……，有些人认为……，但另一些人则持相反的观点……。这两种观点可能都有点道理，但……。本结构先用whenitcomesto……引出话题，再用some……others……这个对立的结构引出了两种相反的观点，然后说Thereissometruthin3both……表明严谨公正的态度，最后用but……很自然地引出了自己的论点。请看下面这个例子：TV，agoodthingorbadthingWhenitcomestoTV，somepeoplebelievethatitisextremelyvaluable，asitprovidesrelaxation，entertainmentandeducation.Othersarguethatitisharmfulforitbeginstocontrolourlivesanddeprivespeopleoftimetodootheractivities.Thereisprobablysometruthinbothsides.Butwemustrealizethattelevisionitselfisneithergoodorbad.Itistheusestowhichitisputthatdeterminesitsvaluetosociety.英语四级作文重点句型：正文1.Therearesomegoodreasonsfor…(分析原因)twopossible人民生活状况的改善原因有两点。首先，我们一直在贯彻执行改革开放政策。其次，国民经济正在迅速发展，而且出生率已经得到控制。Therearetworeasonsfortheimprovementinpeople‘slivingconditions.Inthefirstplace,wehavebeencarryingoutthereformandopening-uppolicy.Secondly，therehasbeenarapidexpansionofournationaleconomy.Further-more,thebirthratehasbeenputundercontrol.2.Mysuggestionstodealwiththeproblemareasfollows.Inthefirstplace，…Secondly，…Finally…solve/tackle/relieve(提出建议)我对解决这个问题的建议如下。首先，迫在眉睫的是建立自然保护区。其次，有些濒临灭绝的珍稀野生动物应该收捕、人工喂养并繁殖。最后，对于捕猎珍稀野生动物的人必须严惩。Mysuggestionstodealwiththeproblemareasfollows.Tobeginwith,itisurgenttocreatenaturereserves.Secondly,certainrarewildanimalsthataregoingtobeextinctshouldbecollected,fedandreproducedartificially.Finally，thosewhohunterthemmustbepunishedseverely.3.Differentpeoplehavedifferentopinionsonthisquestion.Somepeoplebelievethat…Othersproblem/matter/arguethat…Stillothersassertthat…(论述不同看法)人们对失败持有不同的态度。面对失败，有人能够经得起考验，从失败中汲取教训，并努力去完成他们下定决心要做的事情。然而，另一些人却丧失信心并退却了。Peopledifferintheirattitudestowardsfailure.Facedwithit，someofthemcanstanduptoit.drawusefullessonsfromitandtryhardtofulfilwhattheyaredeterminedtodo.Others,however,loseheartandgivein.4.Itisimportant(necessary,urgent,difficult,easy,expensive,desirable,advisable,convenient,comfortable)forsb.todosth.(发表意见)人们希望建立更多的医院、购物中心、娱乐中心、电影院和其他公用设施来满足人民日益增长的需求。Itisdesirabletobuildmorehospitals,shoppingcenters,recreationcenters,cinemasandotherpublicfacilitiestomeetthegrowingneedsofpeople.5.Asapopularsayinggoes“Everythinghastwosides.”(分析利弊)4常言道：“事物总是一分为二的”。如今人们从科技发明中得到越来越多的好处。另一方面，科技进步也给我们带来了许多麻烦。现在许多国家的人民饱尝公害之苦。Asapopularsayinggoes，“Everythinghastwosides.”Nowpeople(thepublic)arebenefitingmoreandmorefromscientificandtechnologicalinventions.Ontheotherhand，theprogressofscienceandtechnologyisbringingusalotoftrouble.Peopleinmanycountriesaresufferingfrompublichazards.6.Forexample,…(举例阐述)Forinstance,…Let‘stake…forexample.就拿汽车为例。汽车不仅污染城市空气，而且使城市拥挤不堪。此外，汽车造成许多交通事故。汽车所产生的噪音使居住在街道两旁的居民日夜不得安宁。Les‘stakecarsforexample.Theynotonlypollutetheairincities,butmakethemcrowed.Furthermore,theycausealotoftrafficaccidents.(…,theyareresponsibleforalotoftrafficaccidents.)Thenoisemadebycarsdisturbstheresidentslivingonbothsidesofstreetsalldayandnight.7.Itisgenerallybelievedthat…accepted(引证观点)thought/held普遍认为，在发达国家人口增长的主要原因与其说是出生率的上升，还不如说是由于医疗保健的改善的使死亡率下降了。Itisgenerallybelieved(=thought)thatthechie