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1、Module5ALessoninaLabTheFourthPeriodExtensiveReadingTeachinggoals教学目标1.Targetlanguage目标语言a.重点词汇和短语usedto,intheareaof,beproudof,besupposedto,facility,crucible,balance,tongs,react,stage,mixture,setupb.重点句式Thehotterthemixture,thequickerthereaction.P94Continuetoheatthemixtureuntilthewaterevaporates,leavi
2、ngthesaltinthecrucible.P94Usingtongstoholdthetesttube,heheateditovertheBunsenburner.P94That’swhenthingsstartedtogowrong.P94...asthelecturersarepeoplewhohavemaderealdiscoveriesintheirareaofscience.P49I’mbecomingmoreandmoreinterestedinphysics.P492.Abilitygoals能力目标Enablethestudentstodescribeanincidenti
3、nascienceclass.3.Learningabilitygoals学能目标Helpthestudentslearnhowtodescribeanincident.Teachingimportantanddifficultpoints教学重点和难点Helpthestudentsdiscussincidentsthathavehappenedintheirscienceclasses.Teachingmethods教学方法Discussionandpairwork.Teachingaids教具准备Acomputerandaprojector.Teachingprocedures&ways教
4、学过程与方式StepⅠRevisionCheckthestudents’homework.Forthesetwoexercises,askthestudentstoreadoutthecompletesentences.T:FromExercise4,weknowthatwecanusemuch,abit,alot,alittletomodifythecomparativeexpressions.Besidesthese,wehaveotherwordstodothis.Nowpleaselookatthesentencesonthescreen.Readthesentencesandpaya
5、ttentiontotheboldface.YouhavefarmoreimaginationthanIhave.It’sslightlywarmertoday.She’sactuallyagooddealolderthanshelooks.Doyoufeelanybettertoday?ShewasnoolderthanZilla.Youmustgoandgetsomemoremilk.Heisfat,buthisbrotherisstillfatter.Thisbookisevenmoreusefulthanthatone.Mysisteristenyearsyoungerthanme.Y
6、ou’reaheadtallerthanJane.Itwasone-fourthcheaperthanthemarketprice.Afterthestudentshavefinishedreading,askthemtomakeaconclusionofthewordstomodifythecomparativedegree.T:Bynowwe’velearnedmanywordsthatcanmodifythecomparativedegree.Whatarethey?S1:Theyaremuch,alot,far,abit,alittle,slightly,any,no,some,eve
7、n,still,ahead,tenyearsandsoon.T:Yeah,that’sright.Now,that’sallforthehome-work.Let’scometoReading.StepⅡLead-inT:Doyouknowthisman?S1:HeisTingZhaozhong,aworld-famousChinesescientist.HeoncewontheNobelPhys
