disadvantages.……既有利又有弊。例如：
1.Obviouslytelevisionhasbothadvantagesanddisadvantages.
2.Livinginacityhasbothadvantagesanddisadvantages.
3.Comparedwithcars，bikeshavetheiradvantagesanddisadvantages.
举一反三：
1.Althoughcomputersbringpeoplealotofconvenience，theyhavemany
disadvantages.
2……hasmanyadvantages.Forexample，……However，justasevery
coinhastwosides，……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/part
in……在……中扮演重要角色/起重要作用。例如：
1.Computersplayanimportantroleinscienceandtechnology.
2.Computersplayamoreandmoreimportantroleinourlife.
Computersplayanincreasinglyimportantroleinourstudies.
3.Educationplaysanimportantpartindevelopingourmind.
4.Addictiontoalcoholanddrugsplayaroleinhomelessness.
1.Advertisementplaysaninformativeroleinourdailylife.
2.Inthepast，lettersplayedadecisiveroleinlong-distance
communication.Butnow，telephone，email，faxhavetakentheirplace.
III.Withthedevelopmentof……，随着……的发展，例如：
1.Withthedevelopmentofoureconomy，manyChinesefamiliescan
affordacar.
2.Withthedevelopmentofoureconomyandsociety，pollutionismore
andmoreserious.
3.Withtherapiddevelopmentofscienceandtechnology，peoplecanget
acollegedegreebytakingonline-coursesathome.
4.Withthecurrentsocialandtechnologicaldevelopments，employees
withmoreknowledgeandhigheracademicdegreesareneeded.
1.WiththerapidincreaseofChina‘spopulation，housingproblemis
becomingmoreandmoreserious.
随着中国人口的急剧增加，住房问题越来越突出。
2.Withmoreandmorewomenenteringsociety，people‘sattitudetowards
womenischanging.
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，anincreasing
numberofChinesefamiliescanaffordacar.
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。
IV.Whenitcomesto……，somepeoplethink/believe
that……，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Thereissometruthin
both……表明严谨公正的态度，后用but……很自然地引出了自己的论点。请看下面这个例子：
TV，agoodthingorbadthing
WhenitcomestoTV，somepeoplebelievethatitisextremelyvaluable，asitprovidesrelaxation，entertainmentandeducation.Othersarguethatitisharmfulforitbeginstocontrolourlivesanddeprivespeopleoftimetodootheractivities.Thereisprobablysometruthinbothsides.Butwemustrealizethattelevisionitselfisneithergoodorbad.Itistheusestowhichitisputthatdeterminesitsvaluetosociety.2.英语四级写作句型及范文
英语议论文多以简要总结全文或对所讨论的问题提出解决办法来结尾。总结全文时除常用到inone/aword，generallyspeaking等外，没有固定模式。提出解决办法时却常使用下一句型。
V……takemeasurestodosth.
例如：
1.Weshouldtakemeasurestocontrolpollutioninordertosavetheworld.
2.We‘dbettertakeeffectivemeasurestopreventstudentsfromcheatingonexams.
3.Thegovernmentdecidedtotakestrongmeasuresagainstdrugabuse.
4.Urgentmeasuresshouldbetakentopreventterroristsfromcarryingoutfurtherattacks.3.英语四级写作句型及范文
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。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,abvisable,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,shoppingcentres,recreationcentres,cinemasandotherpublicfacilitiestomeetthegrowingneedsofpeople.
5.Asapopularsayinggoes“Everythinghastwosides.”(分析利弊)
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)thatthechiefreasonfortheincreaseinpopulationindevelopedcountriesisnotsomuchtheriseinbirthratesasthedeclineindeathratesasaresultoftheimprovementinmedicalcare.
8.…causes(produces,bringsabout,leadsto,resultsin…)(因果关系)
毫无疑问，需求的增长导致了价格的上涨。
Thereisnodoubtthattheincreaseindemandcauses(resultsin/leadsto)theriseinprices.4.英语四级写作句型及范文
“引言”段落中的常用句型：
1.…isaverypopulartopicwhichismuchtalkedaboutnotonlyby…butalsoby…
家庭人口多好还是家庭人口少好是一个非常通俗的主题，不仅是城里人，而且农民都经常谈论这个问题。Whetheralargefamilyisagoodthingornotisaverypopulartopicwhichisoftentalkedaboutnotonlybycityresidentsbutbyfarmersaswell.
2.Thereisnodenyingthefactthat…
无可否认，空气污染是一个极其严重的问题：城市*应该采取有力措施来解决它。
Thereisnodenyingthefactthatairpollutionisanextremelyseriousproblem：thecityauthoritiesshouldtakestrongmeasurestodealwithit.
3.Asisknowntoall，…
众所周知，假冒伪劣商品损害了消费者的利益。
Asisknowntoall，fakeandinferiorcommoditiesharmtheinterestsofconsumers.(=doalotofharmtotheinterestsofconsumers)
4.Moreandmorepeoplearerealizingtheimportanceof…
现在越来越多的人认识到法制教育的重要性。为了维护社会治安，我们每人都应该接受法制教育。
Todayanincreasingnumberofpeoplehaverealizedthatlaweducationisofgreatimportance.Inordertokeeplawandorder，veryoneofusissupposedtoget(=receive)alaweducation.
5.FromwhatIhavementionedabovewecanseeclearlythat…
Auniversitydegreeusedtomeanmoreinthepastthanitdoestoday.Thosestudentswith"hot"degreeslikecomputerscienceorfinancearemorelikelytogetajobthansomeonewitha"cold"degreelikemusicorgeography.Shoulduniversitiesgiveprioritytopracticalortraditionalcourses
写作范文：InterestIstheBestTeacher
ShouldpracticalcoursessuchasfinanceorcomputersciencetakeprecedenceovertraditionaloneslikeChineseorphilosophyonaccountofemployabilityPersonally,Idisagreewiththeassertion.
First,thecruxofthematterisforstudentstopursueasubjectthatintereststhem.Admittedly,onemightattainasatisfactorysalaryworkinginthefieldoffinance.Yet,iftheindividualmakesthechoiceofstudyingfinanceentirelyoutoftheconsiderationof'money,itisverylikelythathewillhavetosacrificehispassioninexchangeformonetaryreward,Thousandsofpeoplearetrappedinajobthattheycannotstand;andinretrospect,theyoftenregretthattheyhaveforgonetheirtrueinterests,Inaddition,one'spassioninacertainsubjectisoneoftheprerequisitestomakeadifference.Alargenumberofsuccessfulpeoplehaveprofessedthattheultimatesecretoftheirachievementliesinthefactthattheylovewhattheydo.Therefore,theyareconstantlymotivatedtogotheextramileandexertmoreeffort.