Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?SectionDⅠ.Materialanalysis本课是第二单元第三话题的第四课时。主要活动是阅读文段和Project。Grammar和Functions让学生总结本话题的语法重点（并列句）和重要的句子（包括英语习语）。短文介绍了森林的重要作用、森林遭到破坏的情况及义务植树人的艰难付出。Project部分采用调查问卷的形式来寻找本班“最环保的人”。这个活动很有教育意义，可以让学生增强环保意识，争做一个坚定的环保人士。Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，归纳并列句的用法。2.Skillaims:掌握常见的并列句，并能在写作或口语交际中运用。在Project中，能够根据问卷要点整理成文。3.Emotionalaims:(optional)增强环保意识，争做一个坚定的环保人。4.Cultureawareness:(optional)了解世界范围内人们的环保行动。
Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:dry,remove,place,cutdown,sothat,eventhoughSentences:Theweathermaybeveryhotanddryoritmaybeverycoldandwet.Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.Eventhoughtreeplantingisverydifficult,theylovetheirwork.Grammar:compoundsentence2.Difficultpoints：Forestswerecutdowntoprovidewoodtobuildhouses.Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,armsandfaceswhiletheywork.Eventhoughtreeplantingisverydifficult,theylovetheirwork.Ⅳ.Learningstrategies在Grammar部分，能够和老师一起总结归纳并列句的用法，使之内化为自己的知识。能够利用问题来预测短文的内容。Ⅴ.Teachingaids亚马孙热带雨林的视频或图片/亚马孙热带雨林遭到破坏的视频或图片/教学新词的图片/PPT等。
Ⅵ.TeachingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks1Revision(10mins)IndividualworkStep1:EncouragetheSstoreadtheirhomeworkassignedinSectionC.T:Hi,boysandgirls!Let’sbeginourclasswithyourhomework.Whowouldliketoshareyourhomework?xxx,howaboutyou?ReadtheirpassagesassignedinSectionCS1:Windcanproducealotofenergy.Peopleusewindtotravelonthesea.Theyputalargepieceofclothontheboat,andthenthewindwillmaketheboatmove.InthenorthpartofChina,inthecountryside,farmersusuallyusewindtocleantheircorns.Inspring,childrenusewindtofly
IndividualworkStep2:LettheSscompletetheblanksinGrammarandFunctions.T:Wow,verygoodwriting!Nowpleaseopenyourbookandturntopage49.PleasefillintheblanksinGrammarandFunctions.Whenyoufinish,raiseyourhand.T:Now,xxx,willyoupleasetellusyourtheanswerstoGrammar?T:Doyouthinkso,class?theirkites.Peoplealsousewindtoproducepower.Now,therearemanycountriesbuildingwindpowerstations.S2:Sunlightcanproducealotofenergy.…S3:Wavescanproducealotofenergy…S4:…CompleteGrammarandFunctionsS1:Ok.And,while,or,but.
ClassactivityT:WhowouldliketoshareyourtheanswerstoFunctions?T:Issheright?Step3:LettheSssumupthecompoundsentencesandexpressionsofgivingsuggestions.T:Inthistopic,wehavelearnedcompoundsentencesandgivingsuggestions.Now,let’ssumup.Couldyoutellmetheconjunctionsusedtocombinecompoundsentences?T:Wonderful!Youcannamesomanyconjunctions.Ihopeyouwillrememberthemandusetheminwritingandspeaking.Next,let’ssumupexpressionsofgivingsuggestions.Whatdoyouusuallyusetogivesuggestions?Ss:Yes.S2:Greener,shutoff,easier,louder,reach.Ss:Yes.Sumupthecompoundsentencesandexpressionsofgivingsuggestions.S1:and,but,while,orS2:however,soS3:notonly…butalso,afterallS4:for,since,asS5:besides,what’smore,what’sworseS6:should,shouldn’t,must…S7:hadbetter,hadbetternot,don’t…
S8:oughtto…2Pre-reading(10mins)ClassactivityStep1:PresentashortvideoabouttheAmazonrainforeststolearnsomenewwordsandleadto1a.T:WhatdopeoplecalltheAmazonrainforests?T:Yes.Doyouknowwhypeoplecallitlikethis?T:Soitdoes.Itremovescarbondioxideandmakesoxygen.Doyouwanttolivethere?T:No?Why?T:Whatyousaidisright.Therearemanykindsofinsectsthere.Iftheybiteyou,youmayloseyourlife.Step2:Presentanothershortvideoaboutthedestructionoftherainforeststoleadtothenecessityofplantingtrees.Learnsomenewwordsandleadto1aSs:地球之肺。Ss:因为它吸收了大量的二氧化碳并释放氧气。Ss:No.S1:太潮湿了。S2:有各种各样的有毒生物。如：蛇，蜘蛛等等。Learnaboutthedestructionoftherainforeststoleadtothenecessityofplantingtrees.最好是播放一小段亚马孙热带雨林的视频，图片没有震撼力。
T:Whathaveyouseen?T:Yes,inordertogetmoneyorfarmland,peoplecutdownthetreesintherainforests.Asaresult,theworldclimatemaychangeandmanybirdsandanimalsmaybeindanger.Luckily,manypeoplehavetakenmeasurestodosomething.Thevolunteerplantersaroundtheworldareplantingnewtreestoreplacedestroyedarea.Ss:大量的雨林被毁掉了。3While-reading(6mins)IndividualworkLettheSsread1aandanswerthequestionsonpage50.T:Haveyoueverplantedtreesinthemountains?T:Nowjustimaginewhatproblemsyoumayhaveifyouareoneoftheplanters.T:IfyouwanttoknowwhatdifficultiestheRead1aandanswerthequestionsonpage50.Ss:No.S1:Verytired.S2:Veryhungry.S3:很渴。S4:…让学生先读P50的问题，带着问题阅读效率更高。
volunteershavetoface,thenreadthepassage.Butbeforereading,pleasereadthequestionsonpage50andtrytofindtheanswerstoQ1toQ3.Whenyoufinish,pleaseraiseyourhand.T:xxx,haveyoufoundtheanswertoQ1?T:Goodjob!Q2,howaboutyou,xxx?T:Yes.Q3,whoknows?S5:Forestsremovecarbondioxideandmakeoxygen,likethelungsofhumanbeings.S6:Badweather,insects,dangerous.S7:Forbirdsandanimals.4Post-reading(10mins)IndividualworkStep1:LettheSsreadthepassage,andfindthecompoundsentencesandotherdifficultpoints.T:Youhavelearnedthemaincontentofthepassage.Next,we’llsolvethedifficultpoints.Now,readthepassageagain,andfindtheReadthepassage,andfindthecompoundsentencesandotherdifficultpoints.对于文章中的过去时的被动语态和定语从句，只要学生理解意思即可，不要讲太多。老师也可以用汉语解释更节约时间。
difficultpointsaswellascompoundsentences.Ifyoufinish,putupyourhand.T:First,let’scheckthecompoundsentences.xxx,haveyoufoundsomeyet?T:Welldone!Whohasanyquestions?T:…T:…T:Attentionplease!InEnglish,wecan’tuse“though/eventhough”and“but”atthesametime.Soyoucan’tseetheword“but”in“Eventhoughtreeplantingisverydifficult,S1:Yes.Theweathermaybeveryhotanddryoritmaybeverycoldandwet.S2:Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.S3:Whatdoes“werecutdown”inPara1mean?S4:Howtounderstandtheword“that”inthesentence“Thereareoftenmanyinsectsthat…theywork”?老师要提醒学生though,eventhough与but不能同时连用。也要讲一下，当“while”表示“当…..的时候”
Groupworktheylovetheirwork”.Besides,sometimesweuse“while”tomakeupanadverbialclauseoftime.Forexample,thesentence“Thereareoften…andfaceswhiletheywork.”Step2:LettheSsdiscussQ4andQ5.T:Wehaven’tfinishedthequestionsonpage50.Now,discussQ4and5,andthenmakeareport.T:Group1,whatareyourideasaboutQ4?T:Whatyousaidisabsolutelyright.Then,wouldyouliketobeatreeplanterwhenyouDiscussQ4andQ5.S1:Ifwedon’tplantnewtrees,theforestswillbecomesmallerandsmaller.Withouttrees,thewindandthewaterwilltaketheearthaway,andtheoxygenintheairwillbecomelessandless.S2:Ifwedon’tplantnewtrees,…S3:Maybe,it’shardtosay.Ithinkthecompaniesandgovernment连接的是时间状语从句，不是并列句。
growup?T:Thatsoundswonderful.shoulddosomething.Because,IhavenotimeandIhavetoworktomakemoney.IthinkonTree-PlantingDay,everyoneshouldstopworkingandgotoplanttreesinthemountains.S4:…5Finishingproject(7mins)GroupworkGroupworkStep1:LettheSscompletethequestionnaireinProject,andaddupthetotalscores.T:Doyouthinkyouareagreenerperson?Now,answerthequestionsinProject,andaddupthetotalscores,andthenseehowgreenyouare.Ifyoufinish,putupyourhand.Step2:LettheSscomparetheirscoreswiththeirgroupmembersandfindthegreenestandgivereasons.CompletethequestionnaireinProjectandaddupthetotalscores.Comparetheirscoreswiththeirgroupmembersandfindthegreenestandgivereasons.
T:Nowcompareyourresultwithyourgroupmembers’andfindwhoisthegreenestinyourgroup.Whenyouarereporting,youshouldtelluswhyheisthegreenest.T:Areyoureadytoreport?T:OK.Group2,whoisthegreenestinyourgroup?Ss:Yes.S1:xxxisthegreenestinourgroup.Heoftenrecyclesnewspapersandcans.Hegoestoschoolonfoot.Henevereatsfastfoodandhealwaysreusesplasticbagswhenshopping.S2:xxxisthegreenestinourgroup,becauseshe…6Summarizingandassigninghomework(2mins)AssigntheHMKT:Wehavefinishedthistopic.Wehavelearnedhowtocombinecompoundsentencesandgivesuggestions.Themostimportant
thingisthatwehavelearnedhowtobeagreenerperson.Iwouldlikeyoutowriteashortpassagewiththetitle“Howtobeagreenerperson”afterclass.Ⅶ.BlackboarddesignWhatcanwedoathometoprotecttheenvironment?SectionDWordsandphrases:dryremovereplaceinsectbiteplanterGrammar:compoundsentences:Cnjunctions：and,while,or,but,notonly…butalso…however,because,afterall,…givesuggestions:should,shouldn’t,oughtto,hadbetter,Don’t…,…cutdowneventhough
Sentences:Theweathermaybeveryhotanddryoritmaybeverycoldandwet.Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.Eventhoughtreeplantingisverydifficult,theylovetheirwork.
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