高中英語Unit2Theenvironment教案牛津版必修5

Unit2TheEnvironmentProjectProtectingtheYangtzeRiverTeachingaims1)Letthestudentknowourmotherriver.2)LetthemknowtheimportanceofprotectingtheYangtzeRiverandourenvironmentTeachingkeypointsKnowtheproblemstheYangtzeRiverhas,findoutthecausesandthemeasuresshouldbetake.TeachingmethodsListeningtogetthegeneralideaAskandanswerWritingAtaperecorderAcomputerProceduresStep1leadinShowthestudentspicturesoftheYangtzeRiver.Thenaskthemquestions.DoyouliketheYangtzeRiver?Whyisitimportantinourcountry?Let’sdividetheclassintofourgroups.ThentryyourbesttotellabouttheYangtzeRiverasmuchaspossible.Thegroupwhichhasmoreideaswillbethewinner.Competition:GROUPA:GROUPB:GROUPC:GROUPD:1.Basicknowledge:Howmanyprovincesdoesitrunacross?HowlongistheYangtzeRiver?Pleasegivethenamesofthethreelongestriversintheworld?Whereisthesourceoftheriver?Howlongistherivernavigablebyoceangoingvessels?Whatarethethreegorges?Wouldyousaysomethingaboutthem?WhereistheThreeGorgeDam?HowlongistheThreeGorgeDam?HowhighistheThreeGorgeDam?DoyouknowanythingmoreabouttheThreeGorgeDam?2.Matchthepictureswiththenames:PleasegivethenamesofthebridgesovertheriverasmanyasyoucanPleasegivethenamesoftherarefishesintheriverasmanyasyoucan.PleasegivethenamesoffamouscitiesalongtheriverasmanyasyoucanStep2listeningNowsinceyouhavesomeknowledgeaboutYangtzeriver,listentothetapeandtellwhatthepassageistalkingaboutStep3readingThistimeIwantyoutoreadthepassagecarefullyanddotheexercisesbelow:1)Answerthequestions:1.WhydotheenvironmentalproblemsoftheYangtzeRiverdrawpeople’sattentionathomeandabroad?Becauseitisthethirdlongestriverintheworldandhometoadiverserangeoffishandanimalswhilemanypeopledependonitfordrinkingwater.WhathascausedthepollutionoftheYangtzeRiver?Rapidagriculturalandindustrialdevelopmentplushugepopulationgrowthhasresultedintherisingamountofwatertakenfromtheriver,andthewastebeingputbackintotheriver.Whatbadeffectshasithadontheecologyofthearea?Unsafedrinkingwaterwhichhasledtohealthyproblemsforpeoplelivingneartheriverandkillingmanyplantsandanimals.4.Whathavebeendonetodealwiththeproblem?Environmentalorganizationsandprojectshavebeensetuptodealwiththeproblem.5.WhathasTheGreenRiverOrganizationdone?Iteducatesandadvisespeopleontheimportanceofprotectingthisgreatriver.Itwatchestheriver.Itstopstheillegalhuntingofanimals.Whathasthegovernmentdonetodealwithwaterandsoilpreservation?Twospecialgovernmentprojectsarealsounderwaytoprotecttheriver,Whichworkoutpossiblesolutionstothemanyproblems,suchasthewaterandsoilpreservation.resultinfarmersreplacingthecropsontheirfarmlandwithtreesorgrassland,andsetupanaturereverseforwhite-flagdolphinsWhathasthegovernmentdonetosavewhite-flagdolphins?ThereservewassetuponthelowerreachesoftheriverinZhenjiang.Boatsareprohibitedfromenteringthisareainordertokeepthedolphinssafe.8.Whatisthegoodnewsfortheriver?theirPeoplehavefinallyrealizedthatitisresponsibilitytoprotectthisgreatriver2)Fblemsharmfuleffectsontheecologyofthearea,killingmanyplantsandanimals.endangeredthewildanimalpopulation.Rapidagriculturalandindustrialdevelopmentplushugepopulationgrowthhasmeancausesthatnotonlyistheamountofwatertakenfromtheriverrising,butthewastebeingpubackintotheriverhasalsobeenincreasing.measuressetupenvironmentalorganizationsandprojectstodealwiththeproblemTheGreenRiverorganizationeducatesandadvisespeopleontheimportanceoWhatprotectingthisgreatriver.Watchestheriver.Stopstheillegalhuntingofanimals.haveGovernmentprojectsworkoutpossiblesolutionstothemanyproblems,suchasthbeenwaterandsoilpreservation.Resultinfarmersreplacingthecropsontheirfarmlandwithdone?treesorgrassland.anaturereverseforwhite-flagdolphinsStep4languagepointsNowwearefamiliarwiththepassage,letmeexplainsomekeylanguagepointsforyou.Asthethirdlongestriverintheworld,itiscleartoseewhytheenvironmentalproblemsofYangtzeRiverhaveraisedconcernbothnationallyandinternationally.raise惹起；造成Hisabsenceraisedfearsabouthissafety.他的不在惹起人們對他安全的擔憂。Theuseofanimalsinscientifictestsraisessomedifficultethicalquestions.用動物做科學(xué)試驗惹起了一些棘手的道德問題。Afunnyremarkraisesalaugh.風趣的話引人發(fā)笑。2.Rapidagriculturalandindustrialdevelopmentplushugepopulationgrowthhasmeantthatnotonlyistheamountofwatertakenfromtheriverrising,butthewastebeingputbackintotheriverhasalsobeenincreasingplus加,加上,和Threeplustwoequalsfive.三加二等于五。Thisworkrequiresintelligenceplusexperience.這項工作需要才華和經(jīng)驗。Ifoundmyselfplusnearly100yuan.我多得了近一百元。Allthechildrenhereare12plus.這里全部的孩子都大于十二歲Norisitgoodnewsforthefishandwildlifethatliveinoralongtheriver.[與neither,not連用,或與no,never等表示否認的詞連用]也不Itisneitherhotnorcoldinwinterhere.這里冬天既不熱也不冷。Thereisneitherrivernorstreamnearby.鄰近既無河流也沒小溪。他沒有做,也Hedoesnotdoit,nordoeshetry.沒試試試看。Shecan'tgetthereatfour,norcanI.她不可以在四點鐘到那邊,我也不可以。thevillage.Notamannorachildwastobeseenin在村莊里,不論大人兒童一個也看不見。Ineversawhimagain,nordidIhearfromhim.我再也沒有見到他,也沒有收到過他的信。Thankfully,manypeoplehaverecognizedtheimportanceofprotectingtheYangtzeRiverandenvironmentalorganizationsandprojectshavebeensetuptodealwiththeproblem.recognize認出,認清,認識到IrecognizedPeteralthoughIhadn'tseenhimfor10years.10年沒看到彼得了，但我認出了他。固然我有Idon'trecognizethisword--whatdoesitmean?我不認識這個單詞，它的意思是什么？Manyfailtorecognizethatallthesethingsareindangerofbeingdenied.很多人沒有看到這全部正處于失掉的危險之中5.Twospecialgovernmentprojectsarealsounderwaytoprotecttheriver.underway在進行中,發(fā)生;在航行中Preparationsarewellunderway準備工作正在展開alongthecrops6.TheprojectsfocusonproblemsontheYangtzeRiversuchaswaterconversation.focuson使集中于焦點；集中tofocusone'smindonwork集中精力于工作Youmusttrytofocusyourmindonworkandstudy.(喻)你應(yīng)當努力把思想集中在工作的學(xué)習上。喻)Alleyeswerefocusedonthespeaker.(大家的眼光都集中在講話人身上。7.Theorganizationalsowatchestheriverandstopstheillegalhuntingofanimalswhichhadbeenamajorproblemandwhichhasendangeredthewildanimalpopulationendanger危及，危害badlyendangeringThepollutedairinthecityisthehealthoftheresidents.城里被污染的空氣正嚴重地危及居民的健康。buyingspeculativestocksendangeredherfinancialsecurity.購置謀利性股票而使她在金融方面冒風險rangeof8.TheYangtzeRiverishometoadiversefishandanimalsincludingthewhite-flagdolphin,arareChinesemammalwhichdependsontheYangtzeRiverforsurvival.arangeofbuildings一排樓房arangeofpictures一系列畫片alargerangeofmotorsforsale一長排待售的汽車awiderageoftemperature氣溫變化很大therangeofthenightingale夜鶯的生長區(qū)theannualrangeoftemperature每年的溫度變化范圍awiderangeofknowledge廣博的知識therangeofone'svoice音域9.Thesecondenvironmentalprojectincludesanaturereverseforwhite-flagdolphins,oneofthemostendangeredanimalsintheworld.reverse倒退；倒轉(zhuǎn)Hereversedthecar.他倒車。翻轉(zhuǎn)Shereversedthepaper.她把紙翻過來。Hereversedthejudgment改變；使成相反的東西andsettheprisonerfreeafterall.他撤除了原判，終于開釋了監(jiān)犯。Boatsareprohibitedfromenteringthisareainordertokeepthedolphinssafe.常與from連用）prohibit嚴禁；嚴禁Smokingisstrictlyprohibitedintheprocessofhandlingexplosivematerials."在辦理易爆物時,嚴格嚴禁抽煙。"阻礙；阻擋；使不行能Hissmallsizeprohibitshisbecomingapoliceman.他的個子太小使他沒法當警察。Step5writingInthisperiod,wehavelearnedtheproblemsaboutYangtzeriverandknowthecausesandsolutions.Weshouldtryourbesttoprotecttheriverandourenvironment.NowcanyouwriteareportaboutYangtzeriversinceyouhaveknownthesituations.Nowworkingroupsandwriteareport.PlanningWorkinsmallgroups.Discusswhatyoureadonthepreviouspage,brieflydiscussthequestionsbelowandthendecideonatopicforyourreport.Haveitapprovedbyyourteacher.WhatdoyouthinkarethebiggestenvironmentalproblemsinChina?WhatistheChinesegovernmentdoingtoprotecttheenvironment?ourreportwillbeThetopicfor_____________________________.Discussthetaskslistedbelowanddecidewhichgroupmemberswillberesponsibleforeachtask.Writethenamesbesidetheworkeachmemberisgoingtodo.(Remember,twoorthreepeoplecanworkonthesametask!Research_______________________________________________Writetheoutline_________________________________________Writethereport__________________________________________PreparingMembersresponsiblefordoingresearchneedtofindinformationfromvarioussourcesonthetopicyouhavechosen.Thegroupshoulddiscusstheinformationfound,anddecidewhattoincludeinthereportandwhattoleaveout.Thoserespons