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高中英语必修2Unit3教案VIP免费

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2013-2014学年度第一学期高一英语必修2教案Unit3:Computers---王兴祖Unit3:ComputersPeriodOneTheGeneralIdeaofThisPeriod:ThisperiodincludesWarmingup,ReadingandComprehendingofUnit3.Itintroducesthehistoryanddevelopmentofcomputers.Fromthisperiodthestudentswilllearnmoreaboutcomputers.Meanwhiletheycanlearnsomereadingstrategiessuchasskimmingandscanning.TeachingAims:1.Trainthestudents’readingability.2.Learnsomeusefulwordsandexpressions.3.Learnmoreaboutcomputers.TeachingImportantPoints:1.Helpthestudentstounderstandthepassagebetter.2.Learnhowtousesomeimportantwordsandphrasesinthispassage.TeachingDifficultPoints:1.Howtohelpthestudentsimprovetheirreadingabilityandunderstandthepassagebetter.2.Learnhowtousesomeimportantwordsandphrasesinthispassage.TeachingMethods:1.Skimmingthepassagetogetthegeneralideaofthetext.2.Scanningtogetthedetailsfromthepassage.3.Explanationsandpracticetohelpthestudentsmastersomelanguagepoints.4.Discussiontohelpthestudentsunderstandbetterwhatthey’velearnedandtousetheknowledgethey’velearnedinthisperiod.TeachingAids:1.Ataperecorder.2.Amultimedia.TeachingProcedures:Step1Warmingup1.Greetingthestudentsasusual.2.IntroducethetopicofcomputersShowthefivepictures(anabacus,ahugecomputer,acalculator,aPC,anotebookcomputer)andgetthestudentsnametheminEnglish.Throughthistask,studentscanhaveageneralideaaboutwhattheyaregoingtolearn.Besides,studentsareexpectedtohaveadiscussionaboutwhattheyhaveincommonwhilelookingatthem.Andtheyarerequiredtousethegivenexpressionsintheirdiscussiontoexpresstheirideas.T:Boysandgirls,todayIamgoingtointroducesomemachinestoyou.Nowlet’sseewhetheryoucannametheminEnglishcorrectly,andtalkaboutthem.Nowworktogetherwithyourpartnersandtrytofindoutwhattheyhaveincommon.Twominuteslate,fivestudentsareaskedtotalkabouttheminclass.S1:AnabacusisanoldcalculatingmachineusedinChinauntilnow.S2:Ahugecomputerisbuilttosolvesomemathematicalproblems.But,inmyopinion,itistoobig.S3:Acalculatorisanewcalculatingmachinewhichcansolvealargenumbermathematicalproblems.AndIthinkitisveryconvenienttocarryanduse,soweoftenuseit.S4:APCisapersonalcomputer,whichcansolveallkindsofproblemsandiswidelyusedin12013-2014学年度第一学期高一英语必修2教案Unit3:Computers---王兴祖offices,schools,shops,athomes,etc.now.S5:Anotebookcomputerisakindofusefulcomputerwhichcanbetakenconvenientlylikeanotebook.ButIthinkitistooexpensive.T:Quitegood.Itseemsthatyouareallquitefamiliarwiththesemachines.Butcanyoutellwhattheyhaveincommon?Anyvolunteers?S6:Letmetry.Ithinktheyallcalculatesomething.Theycandealwithsomemathsproblems.S7:Ibelievethattheyareourgoodfriends.Withtheirhelpwecanfinishourworkquickly.S8:The21thcenturyisthecenturyofinformationtechnology.Asmiddleschoolstudents,weshouldtrytolearnhowtousecomputers.T:Well,youropinionsareallright.Indeed,thesemachinesallcancalculatesomething.What’smore,fromtheabacustothenotebookcomputer,thereisalongway.Butnowcomputershavealreadychangedourlivesgreatly.Butdoyouknowmoreaboutcomputersandcanyousaysomethingabouthowcomputershavechangedourlives.Step2Pre-readingShowthequestionsonthescreen.T:Now,pleasehaveadiscussionfirst,andthenI’llasksomestudentstoreportyourwork.Afterafewminutes.T:Now,whowouldliketoanswerthefirstquestion?Volunteer!S9:I’llhaveatry.Iknowthatcomputershavedevelopedfromlargemachines.Theyhavebeenmadesmallerandsmaller,butworkfa...

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高中英语必修2Unit3教案

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