九年级英语Unit13We'retryingtosavetheearth（TheFifthPeriod－SectionB3a－3bSelfCheck教案.docx

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1、TheFifthPeriod－SectionB(3a－3b)&SelfCheckTeachingImportantPoints　【教学重点】　Keywords&phrases：　needtobeimproved，causetheproblem，isgettingworseandworse　Keysentences：　1.Theriverusedtobesoclean.　2.Wehaveseenmanychangesintheenvironment.　3.Peopleshouldtakepublictran

2、sportationmore.　4.Theriverispollutedbyfactories.　5.Theairpollutionisgettingworseandworse.　Keystructure：　Reviewpresentprogressive，modalverbs，passivevoice，usedto，presentperfecttenseTeachingDifficultPoints　【教学难点】　★Usethewordsandstructurestowritealettertothec

3、itymayorabouttheenvironmentalproblemsandgivesuggestions.TeachingAids　【教学工具】　CAI，picturesormultimediacourseware.TeachingSteps　【教学过程】★Step1　Leadingin　【新课导入】1．Greeting2．Discusswhatweshoulddoandwhatthegovernmentandorganizationsneedtodoabouttheenvironment.★Ste

4、p2　Cooperativeinquiry　【合作探究】1．Finishthetaskin3a①Showafewpicturesabouttheneighborhood.Talkfreelywiththestudents.Whereisthis？Isitaniceplace？Whyorwhynot？Whataretheproblems?②Readtheinstructionsin3a.Discussthequestionsingroup.Eachexpresshis/heropinion.Thenfini

5、shthetask.③Asksomestudentstoreporttheirdiscussion.2．Finishthetaskin3b①Readtheinstructions.Showthewritingpointsontheboard.Learnhowtofinishtheletter.②Writethelettersontheirown.③Exchangetheirwritingworkwitheachother.Theycanlearnfromeachotherandhelpeachother.

6、④Checktheirworkwiththewholeclass.Getthreestudentstoreadaloudtheirletters.3．FinishthetasksinSelfCheckActivity1①Readthedemandandknowwhattodo.Studentsfinishthetaskontheirown.②Studentsdiscussthewordformation.③Checktheworkwitheachother.Learnthewordsandtheprefi

7、xesandsuffixes.Thinkofmorewords.Activity2①TeachthestudentsthemeaningofthegrammarnamesinChinese.②Matcheachsentencewiththegrammarstructure.③Askthemtowriteanothersentenceforeachgrammarstructure.Tellthestudentstowritetheirsentencesontheblackboardandcheckthem.

8、Activity3①Writethefourkindsofpollution.Discusswaystocutdownthemingroups.②Studentswritewaystocutdownthem.③Sharetheirways.★Step3　Homework1．Practicegivingsuggestionstoprotecttheenvironmentafterclass.2．Writewaysofcuttin