英语1外研版module5优质教案(第3课时)

英语研版质教案（第3课时）Module5ALessoninaLabTheThirdPeriodGrammarTeachinggoals教学目标1.Targetlanguage目标语言a.重点词汇和短语alittle,abit,alot,rather,no,any,(very)much,lotsb.重点句式Theearthisforty-ninetimeslargerthanthemoon.P43Theearthisforty-ninetimesaslargeasthemoon.P43sgettingbrighterandbrighter!P47Thecloseryouare,themore’llsee.P47ThemorebooksIthemoreinformationlearn.P472.Abilitygoals能力目标Enablethestudentstolearndegreesofcomparisonandsomeadverbsusedtomodifythecomparativedegree.3.Learningabilitygoals学能目标Helpthestudentssolvesomesimplemathsproblemstopracticethedegreesofcomparison.Teachingimportantpoints教学重点Theusagesthecomparativedegree.Teachingdifficultpoints教学难点Helpthestudentspayattentiontotheagreementcomparisonobjects.Teachingmethods教学方法Question-answeranddiscussion.Teachingaids教具准备Acomputerandaprojector.

Teachingprocedures&ways教学过程与方式StepⅠ

RevisionForthehomework,checkwhethertheyreadthedecimalscorrectlybyfollowingtheexamples.Iftheyhaveanyproblemsaboutthispart,helpthem.Exerciseasksomestudentstoreadouttheirdescriptions.Meanwhile,payattentiontowhethertheyhaveusedthefunctionwordsandexpressionsinthetable.StepⅡ

Lead-inShowsomeproverbstothestudentsandletthemguessthemeaningsofthesentences.Andthengivethemthecorrectmeaningsofthesentences.T:Today,’lllearnthedegreesofcomparison.first,slookatthescreenandguessthemeaningsofthesentences.1.Twoheadsarebetterthanone.2.Morehaste,lessspeed.3.East,west,homeisbest.4.Thebestmirrorisanoldfriend.5.Leasttalk,mostwork.Studentsgivetheiranswers.teachercorrectssomemistakesthereareany.Sampletranslations:1.(谚)两人智慧胜一人。2.(谚)欲速则不达。3.东跑西跑还是家里最好。4.(谚)老友是宝镜。5.少说话，多干事。T:Fromthesesentences,weknowthatDegreesofComparisonareusedwidelyinEnglish.Today,’lllearnsomeofthem.StepⅢ

Degreesofcomparison1(P43)Inthisstep,thestudentswillfinishActivity1Activityonpage43.TaskActivityLetthestudentsgivesomesentencesthattheyhavelearnedwiththecomparativedegreeAndthenturntopage43andreadthefirsttwosentencesinActivity1.Ask

themtotelldifferencebetweenthesesentences.T:Canyougivemesomesentenceswiththecomparativedegreeinthem?largerTomfatterthanMike.beautifulthanT:Right.sthedifferencebetweenthesesentencesandtheoneontheblackboard?Writethesentenceontheblackboard:Theearthisforty-ninetimeslargerthanthemoon.are“forty-nine”word”T:Right.swhatwelllearntoday.Whenwewanttoexpressdegreesofcomparison,canusethisstructure.Aistimeslarger(bigger,taller,higher,wider,longeretc.)thanB.Writedownthestructuretheblackboard.T:Itsverysimple;justadd“...”beforethecomparativedegree.Butpleasenotethatwesay“twice”instead“”.Areyouclear?Yes.T:Now,sdosomeeasymathsproblems.Listen!ObjectA10meterslong,andObjectistwicelongerthanObjectA,howlongisObjectB?TwentyT:Good.’veunderstoodthestructurecorrectly.Thesecondproblem:ifObjectAweighs100kilogrammes,andObjectisfourtimesheavier,howheavyObjectB?400T:Why?timesheavierObjectA.T:OK.Besidesthisstructure,wecanuseanotherstructuretoexpressthesamemeaning.Thatis:Ais...timesaslarge(big,tall,longetc.)asB.Writedownthestructuretheblackboard.T:Well,sgoontodosomemathsproblems.

TaskActivityReadtheinstructionofActivityandletthestudentsreadthesentencesinExample.Afterthat,askthemfinishthefollowing5problems.T:Thepurposeoftheisnottocheckyourintelligence,becausebelievethatallofyouhavehighItsabouttheusesofthetwostructureswevejustlearnt.Now,finishthetaskandthencheckyouranswerswithpartners.Remembermustusebothofthestructurespracticewhatvejustlearned.Afterawhile,askfourstudentstoreadouttheiranswerscompletesentences.IthinkinisfourtimescolderBeijing.Or,winterinisasBeijing.T:Thestructureisright,buttherearemistakesinthetwosentences.Whocancorrectthemistakesandreadacompletesentence?be“WintertimesthanthatBeijing.T:Right.Whenwearethecomparativedegree，wemustpayattentiontothetwocomparisonobjects.Nowwhowouldliketodothethirdone?MisswethatisfourtimesinBeijingT:sagoodsentence,butalsoyoushouldattentiontothetwocomparisonobjects.Weshould“InwinterthetemperatureHarbinisfourtimeslowerthanthatofBeijing.”Writedownthetwosentencesontheblackboard,sothatthestudentscanclearlyknowtheagreementintwocomparisonobjects.T:Areyouclear?OK,howaboutthethirdproblem?IthinkQumolangmaissixhigherTai.timesasTai.auntsisaslargeasOr,mystwicelargerTomtwiceasheavyOr,istwiceheavierStepⅣDegreesofcomparison(P47)TaskActivity

T:Now,pleasefinishthesentencesonthescreen,usingproperwordsandthestructure.Showthesentencesonthescreen.brightdarkheavyweakfat1.thesunrises,itisgetting_______.2.thesunsets,itsgetting_______.3.therushhourcomes,thetrafficisgetting4.Aftersufferingalongdisease,heisgetting5.Shelikestoeatsweet,andthesedaysisgetting_______.Readoutthefirstpartofeachsentence,andletthestudentsreadandfinishthesecondpartthesentence.Sampleanswers:1.brighterandbrighter2.darkeranddarker3.heavierandheavier

4.weakerandweaker5.fatterandfatterT:Now,aregoingtolearnanotherstructure.Supposeyousaveamillionaireslife,andheoffersyoumoneytothankyou,andasksyou:“Howmuchdoyouwant?”AndsupposeyouaregreedyWhatwillyousay?T:Yeah,youaresoclever.sarealbargain.Butifhealsowantsyoutosharehispains,andasks“Howmuchdoyou”,whatwillyousay?T:Ha!reclever.Buttheretbesucheasythingintheworld.Nopains,nogains.Ifyougainwhatyoushouldn’gain,thatwouldbeadisaster.Now,pleaseatthethreesentencesonthescreen:1.sgettingbrighterandbrighter!2.Thecloseyouare,themoreyou’llsee.3.ThemorebooksIread,themoreinformationIlearn.T:Doyouknowthemeaningsofthesesentences?Yes.

T:OK,now,pleaseanswermyquestions.Question1:Whichofthesestructuresisusedtosaythatsomethingischanging?AlltheusedsayT:Question2:Whichofthesestructuresisusedtosaythatthingschange/arechangingtogether?secondthesaythingschange/areT:QuestionWhichstructurerepeatsthesameadjective?onetheadjective.T:Good.Now,letspracticethestructure.PleaselookatActivity2onpage47.Usethewordsbelowtowritesentencesasintheexample.WhowouldliketofinishSentencegetsbigger.Wu,canthatisgettingbigger.”?thinkyouit.havesameNow,snextfinishsentencesone?Bynowthestudentshavelearned4structuresaboutdegreesofcomparison,including:1.Theearthisforty-ninetimesaslargeasthemoon.2.Theearthisforty-ninetimeslargerthanthemoon.3.sgettingbrighterandbrighter.4.Thecloseryouare,themoreyou’llsee.Showthesentencesonthescreenletthestudentshavearevision.T:Now,pleaseatthescreen.Bynow,’velearnedfourusefulstructuresdegreescomparison.Pleaseturntopage91.Letspracticethesestructures.Iwillgiveyou3minutessotofinishExercises1and2.Threeminuteslater.Checktheanswerswiththewholeclass.T:Imverygladthatyouvemasteredthestructures.Nowpl