高中英语人教大纲第二册上Unit9 Saving the earth第四课时Word文档格式.docx

高中英语人教大纲第二册上Unit9 Saving the earth第四课时Word文档格式.docx

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2.Learntosupportanopinionbothinspeakingandwriting.

TeachingDifficultPoint:

Howtohelpthestudentsfinisheachtaskandimprovetheirskillstouselanguage.

TeachingMethods:

1.Oralpracticetotrainthestudents'

speakingability.

2.Writtenworktotrainthestudents'

writingability.

3.Individual,pairorgroupworktomakeeverystudentworkinclass.

TeachingAids:

1.ataperecorder

2.aprojector

4.theblackboard

TeachingProcedures:

StepIGreetings

Greetthewholeclassasusual.

StepIIRevisionandLead-in

T:

Yesterday,welearnttheuseofInversionanddidsomeexercises.Canyou

tellmethedifferencebetweeninvertedsentencesandusualsentences?

Wu

Li,wouldyouliketohaveatry?

Sl:

Yes.Inaninvertedsentence,partofthepredicateorthewholepredicate

esbeforethesubject.Inausualsentence,thepredicateesafterthe

subject.

Quiteright.Sitdown,please.ThenforwhatreasonsdoyouthinkInversionis

used?

Anyvolunteer?

S2:

IthinkInversionisusedfortworeasons.Onefortheneedofthegrammaticalstructureofacertaintypeofsentencetheotherforemphasisofacertainpartofasentence.

Quiteright.Now,let'

sdoanexercise,Lookatthescreenandwriteyouranswersonapieceofpaper.ThenI'

11checktheanswerswiththewholeclass.

（Teachershowsthefollowingonthescreen.）

RewritethefollowingsentencesusingInversion.

1.Wecanfinishtheworkontimeonlybyseizingeveryminute.

________________________________________________finishtheworkontime.2.Ihaveneverheardsuchnonsenseinallmylife.

___________________________heardsuchnonsenseinallmylife.

3.Apieceofpaperwasfoldedinthepocket.

________________________________apieceofpaper.

4.Helittlerealizeshowimportantthisheartoperationis.

___________________________howimportantthisheartoperationis.

5.Churchillwasnotonlyastatesmanbutalsoapoet.

___________________Churchillastatesmanbutalsoapoet.

Suggestedanswers:

1.Onlybyseizingeveryminutecanwe

2.NeverhaveI

3.Foldedinthepocketwas

4.Littledoesherealize

5.Notonlywas

Welldone.Besides,we'

vereadapassageinthisunitabouttheEarthSummitandenvironmentalproblemsandsolutions.Whatwordswe'

velearntinthisunitcanhelpusdescribeenvironmentproblemsandsolutions?

Ss:

Sustainabledevelopment,contaminateddrinkingwater,poorsanitation,air

pollution,killer,poverty,war,violence,equality,fairness,takeaction,makechanges,education,inharmonywithnature...

Oh.Somany.Ihopeyoucanrememberandusethem.WeknowtheEarthSummitmainlytalksaboutenvironmentproblemsandsolutions.ExpertsfromallovertheworldareweletotheEarthSummit,speakingaboutdifferenttopicsanddiscussingnewwaystosolveoldproblems.Todaywearegoingtolistentothevoicesofthe

EarthSummit.Andwe'

lltalkabouttheenvironmentproblemagain.First,let’slearnthenewwordsinthisperiod.

（Teachershowsthenewwordsonthescreenandgivesbriefexplanations.）

（Bb:

alternative—alternate;

defendagainst/from;

incorrect--correct;

affect/effect;

advisesb.（not）todosth.,advisedoingsth.）

StepIIIListeningandSpeaking

Well,nowpleaseopenyourbooksatPage71.LookatthefirstpartinListeningandSpeaking:

ListentothespeechesfromtheEarthSummitandpletetheoutlinesbelow,I'

llplaythetapetwicecontinuously.Listencarefullyandfinishyourtask.Attheend,I'

llcheckyouranswers.

（Afterlistening,teacherintroducesthenexttask.）

Welldone.You'

veunderstoodthespeechesexactly.Doyouagreewithwhattheyaresaying?

Workinpairstotalkaboutthisquestion.Writedownyourthoughts,ments,opinionsandquestionsaboutwhattheysaid.Prepareforafewminutes.Thenwe'

llgoonwiththenexttask.（Afewminuteslater.）

OK.Nowyouhaveachancetomakeyourownspeech.Useyournotesandthinkaboutwhatyouwouldliketosay.First,writeanoutline,andthengivethespeechinclass.Makesurethatyouarereadytoanswerquestionsanddefendyourargument.Areyouclear?

Yes.

Youcanbegintopreparetotitnow.

（Anotherfewminuteslater.）

Areyouready?

OK.Nowlet'

sbeginourspeech.Eachstudentshouldlistentoyourclassmate'

sspeechescarefullyandgetreadytoaskthemquestions.Who'

dliketobethefirsttogiveyourspeech?

Anyvolunteer7

S:

…

（Oneofthestudentsstandsupandgiveshis