托福作文写作范文详解nite.docx

上传人:王** 文档编号:240969 上传时间:2023-04-18 格式:DOCX 页数:7 大小:19.56KB
下载 相关 举报
托福作文写作范文详解nite.docx_第1页
第1页 / 共7页
托福作文写作范文详解nite.docx_第2页
第2页 / 共7页
托福作文写作范文详解nite.docx_第3页
第3页 / 共7页
托福作文写作范文详解nite.docx_第4页
第4页 / 共7页
托福作文写作范文详解nite.docx_第5页
第5页 / 共7页
托福作文写作范文详解nite.docx_第6页
第6页 / 共7页
托福作文写作范文详解nite.docx_第7页
第7页 / 共7页
亲,该文档总共7页,全部预览完了,如果喜欢就下载吧!
资源描述

《托福作文写作范文详解nite.docx》由会员分享,可在线阅读,更多相关《托福作文写作范文详解nite.docx(7页珍藏版)》请在优知文库上搜索。

1、托福作文写作范文详解ReadingInthepastcentury,thesteadygrowthofthehumanpopulationandthecorrespondingincreaseinagricultureandpesticideusehavecausedmuchharmtowildlifeintheUnitedStatesbirdsinparticular.Unfortunatelyforbirds,thesetrendsarelikelytocontinue,withtheresultthatthenumberofbirdsintheUnitedStateswillnecess

2、arilydecline.Firstzashumanpopulationsandsettlementscontinuetoexpand,birdsnaturalhabitatswillcontinuetodisappear.Forestszwetlands,andgrasslandswillgivewaytoevermorehomes,malls,andoffices.Asthetraditionalareassuitableforbirdskeepdecreasing,sowillthesizeofthebirdpopulationsthatdependonthosevanishinghab

3、itats.Second,agriculturalactivitiesmustincreasetokeeppacewiththegrowinghumanpopulation.Thegrowthofagriculturewillalsoresultinthefurtherdestructionofbirdhabitatsasmoreandmorewildernessareasareconvertedtoagriculturaluse.Asaresult,birdpopulationsinruralareaswillcontinuetodecline.Third,ashumansettlement

4、sexpandandagricultureincreases,theuseofchemicalpesticideswillalsoincrease.Pesticidesarepoisonsdesignedtokillagriculturalandhomegardenpestszsuchasinsects,butinevitably,pesticidesgetintothewaterandintothefoodchainforbirdswheretheycanharmbirds.Birdsthateatthepoisonedinsectsordrinkcontaminatedwatercandi

5、easaresult,andevenifpesticidesdonotkillbirdsoutright,theycanpreventthemfromreproducingsuccessfully.Sopesticideshavesignificantlycontributedtodeclinesinbirdpopulation,andbecausetherewillcontinuetobeaneedtocontrolagriculturalpestsinthefuture,thisdeclinewillcontinue.ListeningThepassageclamsthattherewil

6、lbefewerandfewerbirdszbuttheargumentsusedtosupportthisclaimareunconvincing.First,itstruethaturbangrowthhasbeenbadforsometypesofbirds,buturbandevelopmentactuallyprovidesbetterandlargerhabitatsforothertypes,somuchsothatcityandsuburbandwellersoftencomplainaboutincreasedbirdspopulationsseagullsatlandfil

7、ls,pigeonsonthestreetsandsoon.Evenbirdslikehawksandfalconscannowbefoundincities,wheretheypreyontheincreasingpopulationsofpigeonsandrodents.Soitsnotgoingtobeastoryofuniformdeclineofbirdpopulationsinthefuture.Somepopulationsmayshrink,butotherswillgrow.Asforagriculture,itstruethatittoowillincreaseinthe

8、future,butnotinthewayassumedbythereadingpassage.Thetruthis,intheUnitedStates,lessandlesslandisbeingusedforagricultureeveryyear.Increasinginagriculturalproductionhaveresultedfromandwillcontinuetoresultfromtheintroductionofnewzmoreproductivevarietiesofcrops.ThesenewcropsproducemorefoodperunitofIandzan

9、dasaresult,there1snoneedtodestroywildernessareas.Andthird,whileitscertainlytruethattraditionalpesticideshavebeendestructivetobirds,itsincorrecttoprojectthishistoryintothefuture.Nowthatpeopleareawareofthepossibleconsequencesoftraditionalpesticides,twochangeshaveoccurred.Firstznewandmuchlesstoxicpesti

10、cideshavebeendeveloped,andthat,simportant.Second,andperhapsmoreimportantlythereisagrowingtrendtodevelopmorepestresistantcrops,cropsthataregeneticallydesignedtobeunattractivetopests.Pestresistantcropsgreatlyreducetheneedforchemicalpesticides.Andbestofallzpestresistantcropsdontharmbirdsatall.一、阅读听力要点概

11、括ReadingPassageMainpoints:Birdsnumberwilldeclineinresultofhumangrowth.Subpoint1:Birds1habitsdisappearsincehumanexpand.Subpoint2:Birdshabitatsdecreasesincefurtheragriculturalactivities.Subpoint3:Useofchemicalpesticideswillincreaseandkillagriculturalthenkillbirds.LectureAttitude:Unconvincing.SubPoint1

12、:Notauniformdeclineforallbirds.(BadforsomezGoodforsome,Seagulls,PigeonszHawks.)SubPoint2:Lesslandisusedforagriculture.(ProductiveCrops.)SubPoint3:Newpesticidesdontharmbirds.(Lesstoxic,Pestresistantcrops.)二、范文逐段赏析Paragraph1ThereadingpassageclaimsthatthenumberofbirdsintheUSwilldefinitelydecline.Yetthe

13、professorarguesthatbirdpopulationswillnotshrinkduetoincreasesinhumanpopulation,agriculture,andpesticideuseasissuggestedbythereadingpassagesauthor.此段功能:(Listeningpassage后文提到用L代替)(Readingpassage后文用R代替)以L的观点为主要观点。先复述R的观点:US的鸟群数量会降低。再确定L的反对逻辑关系。然后说鸟群数量不会随着人类增长而减少。此段结构:开头段非常简练干净,先复述R的观点,然后说L反对R,再列出L的观点。为

14、引出充分的辩论做出了准备。Paragraph2Firstztheprofessorpointsoutthaturbangrowth,whileharmfultosometypesofbirds,canprovidehabitatsformanyothertypes.Asamatteroffactzurbanandsuburbandwellerscomplainfrequentlyabouthavingtoomanybirds.This,however,contradictsthestatementinthereadingpassagethaturbandevelopmentcausesbird

15、stodisappear.此段功能:引出第一个分论点(人类引起的城市扩张对鸟类影响),L中说,虽然扩张影响了一部分鸟类,但是能为其他很多鸟类提供住所。甚至城市人会投诉鸟数量太多了,反对了R中的声明。此段结构:此段为总分结构,先写出L的结论,随后列举证据,最后达到反对R观点的效果。Paragraph3Second,theprofessorexplainsthatagriculturaldevelopmentwontaffectbirdpopulationasthereadingillustrates.Newly-introducedandhighlyproductivecropscontinuo

16、uslycontributetoproductionenhancementandmoreefficientlanduse,makingitunnecessaryforhumanstodestroymorewildernessareas.此段功能:引出第二个分论点,L中教授继续发表观点:农业发展不会影响鸟群数量。然后解释说新型高产作物使得人们不需要更多耕种用地。此段结构:此段还是总分结构。L发表了新观点后,列举证据,最后一句和R中所得结论相反。Paragraph4Thirdzwhileconvincedoftheharmfulnatureofpesticideusetobirds,theprofessordoesnotthinkitwillbeaprobleminthefuture,inthatpeopleareincreasinglyawareofthisproblemandaredevelopi

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > IT计算机 > 计算机原理

copyright@ 2008-2023 yzwku网站版权所有

经营许可证编号:宁ICP备2022001189号-2

本站为文档C2C交易模式,即用户上传的文档直接被用户下载,本站只是中间服务平台,本站所有文档下载所得的收益归上传人(含作者)所有。装配图网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。若文档所含内容侵犯了您的版权或隐私,请立即通知装配图网,我们立即给予删除!