課題總第課時Date：UnitSWeVetryingtosavetheearth!SectionB(3a—SelfCheck)(第周第5課時)二次備課教學設計一?Teachingaims1.Knowledgeaim:Keywords&phrases：needtobeimproved,causetheproblem,isgettingworseandworseKeysentences：.Theriverusedtobesoclean..Wehaveseenmanychangesintheenvironment..Peopleshouldtakepublictransportationmore..Theriverispollutedbyfactories..Theairpollutionisgettingworseandworse.Keestructure：Reviewpresentprogressive,modalverbs,passivevoice,usedto,presentperfecttense.Abilityaim:mastertheinformationofthisunitandwritedownthewaysofenvironmentalprotection..Emotionaim學生通過分析城市現狀，培養自己的環保意識，并為我們的城市做力所能及的事情。二?Teachingkeyanddifficultpoints.Keywordsandexpressions.writeanarticleabouttheenvironmentalprotection.★Usethewordsandstructurestowritealettertothecitymayorabouttheenvironmentalproblemsandgivesuggestions.掌握本單元所學的詞匯、句型及語法知識，并能進行綜合練習運用。完成Selfcheck部分的練習試題。三、Teachingmethod(1)task-basedteachingmethod(2)workingroups四.Teachingprocedures教學設計★Step1Leadingin【新課導入】GreetingDiscusswhatweshoulddoandwhatthegovernmentandorganizationsneedtodoabouttheenvironment.★Step2Cooperativeinquiry【合作探究】Finishthetaskin3a?Showafewpicturesabouttheneighborhood.Talkfreelywiththestudents.Whereisthis?Isitaniceplace?Whyorwhynot?Whataretheproblems?②Readtheinstructionsin3a.Discussthequestionsingroup.Eachexpresshis/heropinion.Thenfinishthetask.③Asksomestudentstoreporttheirdiscussion.Finishthetaskin3b①Readtheinstructions.Showthewritingpointsontheboard.Learnhowtofinishtheletter.②Writethelettersontheirown.?Exchangetheirwritingworkwitheachother.Theycanlearnfromeachotherandhelpeachother.?Checktheirworkwiththewholeclass.Getthreestudentstoreadaloudtheirletters.FinishthetasksinSelfCheckActivity1?Readthedemandandknowwhattodo.Studentsfinishthetaskontheirown.?Studentsdiscussthewordformation.③Checktheworkwitheachother.Learnthewordsandtheprefixesandsuffixes.Thinkofmorewords.Activity2①TeachthestudentsthemeaningofthegrammarnamesinChinese.②Matcheachsentencewiththegrammarstructure.③Askthemtowriteanothersentenceforeachgrammarstructure.Tellthestudentstowritetheirsentencesontheblackboardandcheckthem.Activity3?Writethefourkindsofpollution.Discusswaystocutdownthemingroups.?Studentswritewaystocutdownthem.③Sharetheirways.★Step3HomeworkPracticegivingsuggestionstoprotecttheenvironmentafterclass.Writewaysofcuttingdownthefourkindsofpollution.TranslatethefollowingsentencesintoEnglish.(1)我們城市的環境這幾年變好了。(2)我們應該少開車，多使用公共交通工具。

(3)大氣污染正變得越來越嚴重。v.n.pollute---act-protect---inspire---build---create---farm---sing---travel-drive-run-write---n.一adj.fame-wood-science-health一south---care---rain---cloud---luck---help---color---day---adj.一n.sunny---noisy---harmful---beautiful---different--important--woolen---adj.一adv.slow-wide---sudden---real---quick-true-possible---happy一loud---quiet---heavy-easy---angry-good---r.i板書設計presentprogressive,modalverbs,passivevoice,usedto,presentperfectneedtobeimproved,causetheproblem,isgettingworseandworse教學反思Thisisthelastperiodoftheunit.Studentswillusewhattheyhavelearnedintheunit.Theywillusethemtowritealetterabouthowtoprotecttheenvironment.Andtheywill