大学英语四级考试作文辅导(主题句+扩展句+结尾句)

洛阳师范学院公共外语教研部黄保超,大学英语四级考试作文辅导,洛阳师范学院公共外语教研部黄保超,第一讲主题句扩展句和结尾句,主题句、扩展句、结尾句的写作特点与技巧,洛阳师范学院公共外语教研部黄保超,一、主题句：要想写好段落，首先要写好主题句。,1.主题句的构成2.写好主题句的方法完整的句子，而不是短语。紧扣文章的主题。内容具体注意选定几个关键词3.主题句的写作技巧4.主题句的位置,洛阳师范学院公共外语教研部黄保超,1.主题句的构成,由主题和作者的观点两部分构成。作者的观点就是我们通常所说的关键词（1）做合格大学生的必要性（2）做合格大学生的必备条件（可以德智体等方面谈）（3）我打算这样做Itisverynecessarytobeagooduniversitystudent.(议论体主题句)Thereareseveralrespectsofnecessitiestobeagooduniversitystudent.（说明体的主题句）WhatIwilldointhefutureisthefollowing.（描述题的主题句）,洛阳师范学院公共外语教研部黄保超,2.写好主题句的方法完整的句子，而不是短语：那些不能表达一个完整思想的词组或短语，不能作为段落的主题句。如：,A)Worriesaboutpopulationpressure.(残缺句)B)Worriesaboutpopulationpressurearefarfromnew.（完整句）A)Howtodriveacar.(X)B)Anyonecanlearnhowtodriveacar.()A)Fiveeasystepsinchangingatire.(X)B)Therearefiveeasystepsinchangingatire.()上面三组中的句都不是完整的句子，因此都不能用作主题句。,洛阳师范学院公共外语教研部黄保超,主题句必须紧扣文章的主题:文章各段的主题句应该紧紧围绕文章的中心思想，从不同的方面对文章的主题进行论述。例如下面这篇文章：,POLLUTION1.Pollutionisbecomingmoreseriousallovertheworld.Partofthisproblemistheworldsexplodingpopulation.Agrowingpopulationundoubtedlymeansmorefactoriespollutingtheair.Besides,landandwaterpollutionhasalsoincreased.Pollutionis,infact,threateningourhealth,ourhappiness,andourverycivilization.2.Peoplearenowshowingarealconcernoverthisproblem.Scientistsareurgingthatdrasticsolutionbeworkedoutbeforeitistoolate,andthepublicaredemandingthatgovernmenttakefirmactionagainstpolluters.Theearthisourhomeandwemusttakecareofit-forourselvesandforthenextgeneration.3.Fortunately,measureshavebeentakentocopewiththesituation.First,manycountriesaremakingeffortstobringdownthebirthrate.Also,newlawshavebeenpassedtoexercisestrictcontrolsoverindustrialpollutants.Inaddition,moresewagetreatmentplantsarebeingbuilt,andnewpollution-controldevicesdeveloped.Doingallthiswillenableustohaveacleanerworld.,洛阳师范学院公共外语教研部黄保超,主题句要内容具体,1.Takeninmoderation,alcoholisratherharmlessandisevenbeneficialinrelievingfeelingsofstress.2.Theemphasishasnotalwaysbeenthesame.3.Theemphasisonproducingwealthandmaintainingahighstandardoflivinghasnotalwaysbeenthesame.,(),(X),(),洛阳师范学院公共外语教研部黄保超,注意选定几个关键词,例如:aparagraphabouttheuseofhelicoptersincontrollingtrafficHelicopterscancontroltraffic.OrHelicoptersareusedtocontroltraffic.,洛阳师范学院公共外语教研部黄保超,3.主题句的写作技巧,1.表示人的名词或代词主语的句子Collegestudentsshouldtakepartinsocialpracticeandgettoknowtheworld.Peopletakepartinrecreationalactivitiesbecauseofseveralreasons.Webenefitalotfromdoingparttimejobs.YoungpeopletodayarebadlyinfluencedbyTV.2.表示物的名词做主语的句子Informationplaysanindispensableroleinmodernlife.Diligenceisakeyfactortosuccess.Sportsbenefitpeopleinmanyways.Recreationalactivitiesfallintotwomajortypes.,洛阳师范学院公共外语教研部黄保超,3.用动名词短语来表达主题，做主语。Owningaprivatecarisveryconvenient.Keepingpetscanleadtosomeproblems.Studyingabroadbenefitsstudentsinmanyaspects.4.用“There+be+名词”句型来写主题句。Thereareseveralreasonswhyweshoulddeveloptheindustryofprivatecars.Thereareinnumerableadvantagesofkeepingpets.Therearediversesolutionstothehousingprobleminbigcities.Thereareeffectivemeasuresthatwecanadopttodealwiththeissueofrisingcrimerate.,洛阳师范学院公共外语教研部黄保超,5.用Itis+adj.+forsb.todosth.句型Itisbeneficialforcollegestudentstotakepartinvarioussocialactivities.Itisnecessaryforustogettoknowaboutthesociety.Itisdesirable/advisableforyoungpeopletogoabroadtostudy.,洛阳师范学院公共外语教研部黄保超,4.主题句的位置,主题句在段落中可以放在段首，也可以放在段中，或在段尾。作文是主观题，而且阅卷教师的时间很短，（一般1-3分钟），建议把主题句放在作文中的段首。例DruguseissowidespreadinAmericansocietythatitispartofthedailylifeofalmosteveryperson.Frombirththroughlifesailmentstodeath,drugseaseourpainandsuffering.Formany,drugsservesuchutilitarianpurposesaskeepingusawake,helpingussleep,oreliminatingourstress.Recreationaldrugsincreaseourpleasureorsociabilityatfestiveorinformalgatherings.Wetakeourdrugsroutinelywithoutthinkingofthemasdrugs,suchaswhenwesmokecigarettesordrinkaffricatedbeverages.,洛阳师范学院公共外语教研部黄保超,二、扩展句,e.g.Idontteachbecauseteachingisnoteasyforme.TeachingisthemostdifficultofthevariouswaysIhaveattemptedtoearnmyliving:includingmechanic,carpenter,andthewriter.Forme,teachingisaprofession,Red-eye,becauseIneverfeelreadytoteachnomatterhowlateIstayuppreparing.Sweaty-palm,becauseImalwaysnervousbeforeIentertheclassroom,surethatIwillbefoundoutforthefoolthatIam.Sinking-stomach,becauseIleavetheclassroomanhourlater,convincedthatIwasevenmoreboringthanusual.,1.扩展句及其特点清晰详实条理分明:在文章写作时，扩展句要长短适中，就学生写作而言，每句话的平均长度应最好控制在10-15个词为宜。当然，随着写作水平的提高，句子长度可相应增加。,洛阳师范学院公共外语教研部黄保超,2.写好扩展句的方法:扩展句的写作方法：定义法，分类法，例证法，列举法，因果关系法，对照比较法（类比法），综合法等。,1）例证法(exemplification)Thereisnothinghardintheworldforpeoplewithastrongwill.Atask,nomatterhowdifficult,canbeaccomplishedifapersonmakesuphismindtodoit.TakeRomeasanexample.ItisknownthatRomewasnotbuiltinaday.Beforeshewasbuilt,herfoundershadsufferedagreatdealofseverehardship,buttheyneverlosttheirfaithandeventuallysucceededintheirefforts.Columbus,whodiscoveredAmerica,isanotherexampleofstrongdetermination.Inspiteofdefeatandaffliction,hewentforwardandsucceededbecauseofhissinglenessofpurposeandperseverance.,表示例证的方法:Forexample,forinstance,asanexample,foratypicalexample,Suchas,soon.Letsillustrate,show,provewiththefollowingexample.LetstakeasanexampleAnexample,aninstance,a(typical)caseinpoint,洛阳师范学院公共外语教研部黄保超,例如:Thedevelopmentofscienceandtechnologyhasbroughtaboutmanychangesinpeopleslife.Thiscanbebestillustratedbytheinventionoftelevision,whichhasopenedaneweraformankind.ThroughtheuseofTVpeoplecanlearntheeventswhichhappenedthousandsofmilesawayandrealizethedreamoftravelingaroundtheworldwithouthavingtoleavetheirhome.Itisoftenbelievedthatpracticemakesperfect.Aseverybodycansee,persistentpracticewillnaturallyleadtoperfectperformancesandhighefficiency.Forexample,whenwelearnEnglish,wehavetolearnsuchthingsasgrammar,vocabulary,structureandsoon.Inordertoachievefluencyandaccuracyaswell,weneedpracticeinlistening,speaking,readingandwriting.OnlythroughconstantpracticecanwehaveagoodcommandofEnglish.Anothercaseinpointislearningtoplaythepiano.Itisthroughrepeatedpracticethatapersonlearnstoplaythepianoandbecomesaskillfulpianist.,洛阳师范学院公共外语教研部黄保超,2）列举法(listing),Attendingschoolsabroadhasmanyadvantages.Inthefirstplace,studentscanlearnadvancedknowledgeofscienceandtechnologyfromtheadvancedcountries.Inthesecondplace,schoolsabroadcanprovidestudentswithabettercircumstancetolearnforeignlanguagesandmakethemgraspthemmorequickly.Furthermore,whilestudyingabroad,youngstudentscanlearntobecomeindependentanddevelopall-roundabilityinordertoadapttotherealityofsociety.表示列举的方法Firstofall/Aboveall,secondly,moreoverInthefirstplace,inthesecondplace,furthermore/whatsmoreTobegin(start)with,secondly,inadditionForonething,foranotherthing,forstillanotherthing,洛阳师范学院公共外语教研部黄保超,例如1）TourismbringsChinaalotofgood.Tobeginwith,itenablestheChinesetoknowabouttheoutsideworldandcontributestointernationalfriendshipandmutualunderstanding.Moreimportantly,itisfinanciallybeneficialtoChinabecausetourismgreatlyencouragesforeigninvestmentinChina.2）Collegestudentswhotakepart-timejobscanlearnanumberofthingsthatarenottaughtintheclassroom.Firstofall,sincetheyhavebusyschedules,theyhavetolearnhowtobudgettheirtimemoreeffectively.Theygainexperiencesinorganizingtheirdayofactivitiesproperly.Secondly,sinceanyjobinvolvescontactsandcooperationwithotherpeople,theylearnhowtogetalongwellwithdifferentkindsofpeople.Mostimportantofall,part-timejobsgivestudentsachancetolearnthevalueofresponsibility.Inbrief,whattheylearnfromdoingpart-timejobsenhancestheirintegrityaswellastheirpracticalabilities.,洛阳师范学院公共外语教研部黄保超,另外，还可以使用设问解答法例主题句：Environmentalprotectionisbecominganimportantscientificfieldandisdrawingagreaterdealofattention.设问:Whyisenvironmentalprotectionbecominganimportantscientificfieldandisdrawingagreaterdealofattention?解答:(1)Itinvolvestheworkagainstwaterpopulation,airpollution,desertexpansion,andsoilerosion,garbage,acidrainandsoon.(2)Tosolvetheaboveproblems,muchknowledgeandresearchworkisneeded.(3)Scientistsaswellaspeopleattachprimaryimportancetoenvironmentalprotection.Environmentalprotectionisbecominganimportantscientificfieldandisdrawingagreaterdealofattention.Itinvolvestheworkagainstavarietyofenvironmentaldamage,suchas,waterpopulation,airpollution,desertexpansion,andsoilerosion,garbage,acidrainandsoon.Tosolvetheseproblems,muchknowledgeandresearchworkisneeded.Thus,itisindispensablethatscientistsaswellaspeopleattachprimaryimportancetoenvironmentalprotection.,洛阳师范学院公共外语教研部黄保超,.避免写出与主题句不相关的句子，以免走题。.用举例或者例证的方法来扩展主题句。.段落里的句式应多样化,避免全用简单句，应交替使用简单句、并列句和复合句，使句子的表达形式多种多样。.扩展句的排列必须符合事物发生时间的先后顺序。.正确使用过渡词。,要写好扩展句，必须注意以下几个方面：,洛阳师范学院公共外语教研部黄保超,.避免写出与主题句不相关的句子，以免走题。,例如：Herearethedirectionstogettomyhousefromyours.YouwalktwoblocksnorthandthenturnrightonAdamsStreet.WalkanothertwoblockstoThirdStreet.Mysister,whogotmarriedlastyear,livesatthecornerofAdamsandThird.Then,turnleftonThirdStreetandwalkuntilyouseeadirtroadwithayellowhouseonthecorner.Thatismyhouse.Exercise:1.Oneofthemostimportantmeninoursocietyisthegarbageman.Eachyearmoreandmoregarbageisproduced,andmoremenarerequiredtodisposeofit.Thesemendothisdirtyworkdespitethedangerofbeingdisabledorkilledbythebladesofthedisposaltrucks.Ifmorepeoplerealizedhowimportantthegarbagemansjobis,perhapshisworkingconditionswouldimprove.Mybrotherusedtoworkonagarbagetruck.Hequitbecausethejobwastoodangerous.,洛阳师范学院公共外语教研部黄保超,2.Australiaisaverylargecountry.Butmostofthepopulationisinthesouth-eastpart.85%ofthepopulationsliveincitiesandtowns.Theyusuallydontgotothemoviesattheweekend.Only15%liveinthecountryside.Threeoutofeveryfivepeopleliveinbigcities.3.TodayinChina,mostofthefamilieshaveonlyonechild.Theseonlychildren,whoseldomworryabouteatingandclothing,areregardedaslittleEmperorsofthefamilies.Mysisterhasonlyonechild,adaughter.Whattheywantorneedwillbeimmediatelysatisfiedeitherbytheirparentsortheirgrandparents,butmysistershusbandisusuallyverystrictwithhisdaughter.Theydonothinginthefamilyexceptstudy.,洛阳师范学院公共外语教研部黄保超,4.若要写一个以Automobileracingisadangeroussport为主题句的段落,下列哪些句子可以作为它的扩展句。,1)Manydriverssaythattheylovethedanger.2)Ilikehorseracingbetter.3)Eachyearseveraldriversarekilledinaccidents.4)Soccerisalsodangerous.5)Sometimesmechanicsarehurttoo-whencarscrashduringraces.6)Carsarelessdependablethanhorses.7)Yetspectators,drivers,andmechanicsallenjoytheexcitement.,洛阳师范学院公共外语教研部黄保超,.用举例或者例证的方法来扩展主题句。,例如：若以“Myparentslookandbehavelikeeachother”为主题句，下列哪些句子可以用作例证来说明主题句？1)Theybothlikenatureandtheoutdoorsandarefondofwalking,gardening,andswimming.2)Myfatheriseightyearsolderthanmymotherandtallerandthinner.3)TheynevergettiredoflisteningtoChinaopera.4)Bothofmyparentshavedarkhairandblackeyesandbothhavelowvoicesandgentlepersonalities.5)Theybothbelieveingivingtheirchildrenloveandresponsibility,andneitheronebelievesinpunishingachildphysically.6)Mymotherisquieterthanmyfatherandtalksmuchlessthanhedoes.7)Theyarebothinterestedinreadingandmusic.8)Mostofthetimetheyareinagreementonbringinguptheirchildren.,(),(),(),(),(),(),洛阳师范学院公共外语教研部黄保超,Myparentslookandbehavelikeeachother.Bothofmyparentshavedarkhairandblackeyesandbothhavelowvoicesandgentlepersonalities.Theybothlikenatureandtheoutdoorsandarefondofwalking,gardening,andswimming.Theyarebothinterestedinreadingandmusic;theynevergettiredoflisteningtoChinaopera.Mostofthetimetheyareinagreementonbringinguptheirchildren.Theybothbelieveingivingtheirchildrenloveandresponsibility,andneitheronebelievesinpunishingachildphysically.,洛阳师范学院公共外语教研部黄保超,Exercise:根据所给的主题句，分别通过举例或例证写出扩展句。1.Playingtheguitarwellrequiresknowledgeofseveralskills.2.Increasingyourvocabularycanhelpyouinanumberofways.,洛阳师范学院公共外语教研部黄保超,.段落里的句式应多样化,避免全用简单句，应交替使用简单句、并列句和复合句，使句子的表达形式多种多样。,例如：Iwillneverdriveacaragain.Ihadanaccidenttoday.IwasdrivingupFourthAvenue.Isawabrightyellowcar.Itwasdrivenbyalittleoldlady.Sheobviouslydidnotseethestopsign.Icouldnotstopintime.Sheranrightintome.Thenshecalledmeayounghoodlum.简单句复合句复合句并列句简单句简单句Iwillneverdriveacaragain.IhadanaccidenttodaywhenIwasdrivingupFourthAvenue.Isawabrightyellowcarwhichwasdrivenbylittleoldlady.Sheobviouslydidnotseethestopsign,andIcouldnotstopintime.Sheranrightintome.Thenshecalledmeayounghoodlum.,洛阳师范学院公共外语教研部黄保超,Exercise:改变下列各段的单一句式,使句式多样化,1.Thursdaywasasunnyday.Mybrotherborrowedacar.Wewenttothebeach.Thewaterwaswarm.Wewentswimming.2.Iwasyoung.Ihadaverybadtemper.Ididsomethingonce.Iamnowveryashamedofthat.Tomwasmyoldersistersfianc.Tomwasinthearmy.EveryweekmysisterboughtcigarettesforTom.Mysisterkeptthecigarettesinadrawerinherbedroom.3.Myparentscamehome.MysistertoldthemwhatIhaddone.Myfatheraskedmeaquestion.Isyoursistertellingthetruth?Icouldnotdenythefact.Ihadcutupthecigarettes.Iwasseverelypunished.Ididnotgetanymorepocketmoney.IgotpocketmoneyagainonlyafterIhadpaidforthecigarettes.,洛阳师范学院公共外语教研部黄保超,.扩展句的排列必须符合事物发生时间的先后顺序,Thenweturnedleft.Togettothemuseum,westartedoffbytakingthesubwayto79thStreet.Suddenly,rightinfrontofuswasthebeautifulbuildingwewerelookingfor!Whenwegotoffthesubway,wewalkedfourblocksupLexingtonAvenue.Afterturningleft,wewalkedwhatseemedtobeanendlessdistance.经过按时间的先后顺序重新组合句子后，全段就通顺易懂了：Togettothemuseum,westartedoffbytakingthesubwayto79thStreet.Whenwegotoffthesubway,wewalkedfourblocksupLexingtonAvenue.Thenweturnedleft.Afterturningleft,wewalkedwhatseemedtobeanendlessdistance.Suddenly,rightinfrontofuswasthebeautifulbuildingwewerelookingfor.,洛阳师范学院公共外语教研部黄保超,Exercise:按正确的顺序,重新排列下列各段的句子,1.Hispartywasamess.Aftertheyallfinallyleft,ittookhimthreehourstocleanup.Halfofthepeoplehehadinvitedcameanhourearly.Then,someoneaccidentallysethiscurtainsonfire.Theyspilleddrinksonhisfurnitureandhadapretzel-eatingcontestonhisbed.2.WhenIfirstmetmyEnglishprofessor,Iwasimpressedbyhisfriendliness.Attheendofthecourse,heeveninvitedourclasstohishousefordinner.Rightawayheaskedmetotalkwithhimaboutmyreadingproblems.Throughouttherestofthecourse,hewasashelpfultoeveryoneashehadbeentome.,洛阳师范学院公共外语教研部黄保超,.正确使用过渡词,1.Heforgottherewasatesttoday.Hefailed.2.Heateawholepie.Hegotsick.Hewenttoseeadoctor.如果我们加上适当的过渡词，上下句的意思就通顺得多了：1.Heforgottherewasatesttoady.Consequentlyhefailed.2.Hegotsickbecauseheateawholepie.Asaresult,hewenttoseeadoctor.,洛阳师范学院公共外语教研部黄保超,表示举例说明的过渡语Forexample,forinstance,foronething,toillustrate,asanillustration,acaseinpoint,Letstakeasanexample.Takeforexample.isatypicalexampleofisatypical/propercaseinpoint.表示递进关系的过渡语Inaddition,furthermore,moreover,besides,also,whatsmoreNotonly,butalso,similarly,Anotherisisanotherisalsoafactor.,洛阳师范学院公共外语教研部黄保超,表示比较和对比的过渡语Similarly,inthesameway,unlike,like,likewise,equallyimportant;Incontrast,bycontrast,ontheotherhand,incomparison,onthecontrary,contraryto,whereas,while,conversely,differ/varygreatly/vastlyfromDifferentfrom表示因果关系的过渡语Becauseof,onaccountof,dueto,owingto,thanksto,for,because,since,as,forthisreasonTherefore,so,asaresult,consequently,inconsequence,accordingly,hence,thusThereasonswhy/forare/lieinresultsinresultfrom,洛阳师范学院公共外语教研部黄保超,表示结论的过渡语Tosumup,toconclude,tosummarizeInsum,insummary,inconclusion,inall,inaword,inshort,inbriefSo,therefore,thusWecancometotheconclusionthatAconclusioncanbereachedthat表示转折的过渡语Though,although,however,nevertheless,nonetheless,eventhough/evenifLetslookattheothersideofthecoin.Aseverythinghastwosides,weshouldnotneglecttheothersideofthecoin.Justastherearetwosidesofacoin,thenegativeaspectofcannotbeoverlooked.,洛阳师范学院公共外语教研部黄保超,三、结尾句：一个段落中，主题句是伏笔，扩展句是具体的叙述和说明，而结尾句则进一步加强和证实该段的主题思想，以引起读者的重视。,1）用结尾句来对主题句进行深化，可以用不同的句子来表达同一个主题和思想，做到前后照应。例1Inaword,mylifeoncampusisreallycolorfulandmeaningful。例2Nothingismorevaluablethangoodhealth.Goodhealthisthefoundationofonesfuturesuccess.Ifapersoneasilyfallsill,itishardlypossibleforhimtopursueacareersuccessfully.Ontheotherhand,ifheisstrongandfit,hecangoallouttoovercometheobstaclesthatlieaheadofhim.Infact,goodhealthisessentialfortheenjoymentoflife.,洛阳师范学院公共外语教研部黄保超,2）用结尾句来对全段落进行总结，得出结论，使之首尾呼应，加强段落的整体性。要注意：结尾句不能简单地重复主题句，而应使之深化和加强。例Allinall,travelingononesownhasbothadvantagesanddisadvantages3）表达自己观点，阐述立场。例1Asforme,ItakethepositionthatatestofspokenEnglishisextremelynecessaryanditshouldbeincludedinCET例2Moneycannotbuyeverything.Forinstance,nomatterhowmuchmoneyonehas,hecannotbuygoodhealth,whichisessentialtoagoodlife.Neithercanhebuyhappinessorfriendship.Thus,althoughmoneyisusefulinmanyways,therearestillalotofthingsintheworldthatcannotbeboughtwithmoney.,洛阳师范学院公共外语教研部黄保超,1.重申主题句法,Inconclusion,nothingismorevaluablethanhealth.Ingoodhealth,wecanabsorbknowledgemorereadily.Ingoodhealthwecanachievemoresuccessandmakemorecontributiontoourcountry.常用句型表达Inconclusion,Toconclude,InallAllthingsconsideredToconclude,nosuccesscanbeachievedwithoutlaboring.Successissimplythefruitofhardwork.Inall,ourschoollifeisreallyinterestingandcolorful.,洛阳师范学院公共外语教研部黄保超,2.总结（结论）法,Inshort,theadvantagesoftravelingoutnumberthedisadvantages.Therefore,letsgotravelingwhenwehavethetimeandenjoythebeautifulsceneryandbroadenourhorizon.常用句型Tosumup,theadvantagesoffaroutnumber/outweighthedisadvantages.Allthingsconsidered,thebenefitsofaremorethantheproblems.Havingtakenallthefactorsintoconsideration,wecanseethatdoingsomething.doesmoregoodthanharmtosomebody.,洛阳师范学院公共外语教研部黄保超,3.发表个人看法，总结全文,Inmyopinion,thebalanceofthesetwokindsofactivitiesmightbemoreusefultothosewholiveinretirement.Inotherwords,physicalactivitiesarenecessaryforgoodhealthbutintellectualrecreationprovidesthemostpleasure.常用句型Inmyopinion,Personally,Ithink/believeItakethepositionthatIhold/taketheattitudethatAsfarasIamconcerned,Wereitlefttometodecide,洛阳师范学院公共外语教研部黄保超,4.引言结论法Truefriendshipcannotbeboughtwithmoney.Theproverb“Afriendinneedisafriendindeed”isreallytrue.5.反问结尾法Dontyouthinkitishightimethatwetookeffectiveactionstofightagainstfakecommoditiesinthemarket?DontyouagreewithmyideathatatestoforalEnglishshouldbeincludedinCET-4and6?常用句型Dontyouthinkitisnecessaryforusto?Dontyouthinkitishigh/abouttimethatwedidsth?Dontyouagreewithmyidea/opinionthat?,洛阳师范学院公共外语教研部黄保超,Letsjoininoureffortstofightagainstthefakecommoditiesandprotecttheinterestsofourpeopleandournation.Letssparenoeffortstoprotectourenvironmentfrombeingfurtherdamagedandsaveourplanet.常用句型LetsjoinintheeffortstodoLetssparenoeffortstodoLetstakeeffectivemeasurestodoLetstakeimmediateactionstodoLetstakepracticalstepstodo,6.提倡议号召（喊口号）法,洛阳师范学院公共外语教研部黄保超,补充：写作的“七项基本原则”,一、长短句原则二、主题句原则三、一二三原则四、短语优先原则五、多实少虚原则六、多变句式原则七、挑战极限原则,洛阳