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1、ALessoninaLab第二课时一、教学目标1.知识与技能熟练掌握Englishnumbers，alittle,abit,alot,rather,no,any,(very)much,lots2.态度与方法HelpthestudentstoreadandwritesomeEnglishnumberscorrectly.Helpthestudentsfindthemainpartsofanexperimentwhiletheyarelistening.3.情感态度与价值观Helpthestudentsknowtherulesofexpressingnumbers.Helpthestudentsg
2、uessthemainpartsofalisteningmaterialfromthetips.二、Teachingimportantpoints教学重点LetthestudentspayattentiontothekeywordsinthematerialsaboutAim,Equipment,Method,Result,andConclusion.三、Teachingdifficultpoints教学难点HelpthestudentsreadsomelargeEnglishnumbers.四、Teachingmethods教学方法Listeninganddiscussion.五、Teach
3、ingaids教具准备Aprojectorandarecorder.六、Teachingprocedures&ways教学过程与方式StepⅠRevisionCheckthestudents’homework.ForExercises6and7,givethemanswersheet.ForExercise8,ask10studentstoreadoutthecompletesentencesonebyone.Theyshouldpayattentiontotheirpronunciationandintonation.StepⅡListeningandWritingThisisacontin
4、uedparttothereadingmaterial.Thestudentscangetmorefamiliarwithsomenewwordsandexpressions,andalsogetfamiliarwiththedescriptionofanexperiment.AskthestudentstoscanthethreeactivitiesinLISTENINGANDWRITINGonP46,sothattheyknowwhattheyaregoingtodo,andtrytogetreadytocatchthekeywordsorkeysentenceswhentheyareli
5、stening.T:Now,pleaseturntopage46.Wearegoingtohavealistening.Atfirst,scanthethreeinstructionstoknowwhatyouaregoingtodo.Severalminuteslater.T:Doyouknowwhatyouaregoingtodo?Ss:Yes.T:What’sthefirstone?S1:ToreadtheAimbelowandpredicttheResult.T:Whatisyourprediction?S1:Ithinktherearetworesults.Oneisthatthem
6、agnesiumisheavierthanbefore.Theotheristhatitbecomesalittlelighterthanbefore.It’sdifficulttogetaresult,unlesswemakeanexperiment.T:Good,thisisacorrectattitudetowardsscience.Now,we’lllistentotheconversationtofindtheresult.Sopleaselistencarefullyandwritedownthekeywords.Playtherecorderforthestudentstohav
7、eafirstlistening.Afterthat,letthestudentswritedowntheiranswersusingthekeywords.Ifpossible,askthemtowritethewholesentences.T:Nowlet’slistenandcompletethedescriptionofthescientificexperiment.We’veknownt
