必修二（unit3computers--period1reading）(2)_设计

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1、Period1ReadingTheGeneralIdeaofThisPeriod：ThisperiodincludesWarmingup，ReadingandComprehendingofUnit3.Itintroducesthehistoryanddevelopmentofcomputers.Fromthisperiodthestudentswilllearnmoreaboutcomputers.Meanwhiletheycanlearnsomereadingstrategiessuchasskimmingandscanning.

2、TeachingAims：1.Trainthestudents’readingability.2.Learnsomeusefulwordsandexpressions.3.Learnmoreaboutcomputers.TeachingImportantPoints：1.Helpthestudentstounderstandthepassagebetter.2.Learnhowtousesomeimportantwordsandphrasesinthispassage.TeachingDifficultPoints：1.Howtoh

3、elpthestudentsimprovetheirreadingabilityandunderstandthepassagebetter.2.Learnhowtousesomeimportantwordsandphrasesinthispassage.TeachingMethods：1.Skimmingthepassagetogetthegeneralideaofthetext.2.Scanningtogetthedetailsfromthepassage.3.Explanationsandpracticetohelpthestu

4、dentsmastersomelanguagepoints.4.Discussiontohelpthestudentsunderstandbetterwhatthey’velearnedandtousetheknowledgethey’velearnedinthisperiod.TeachingAids：1.Ataperecorder.2.Amultimedia.TeachingProcedures：Step1Warmingup1.Greetingthestudentsasusual.2.Introducethetopicofcom

5、putersShowthefivepictures（anabacus，ahugecomputer，acalculator，aPC，anotebookcomputer）andgetthestudentsnametheminEnglish.Throughthistask，studentscanhaveageneralideaaboutwhattheyaregoingtolearn.Besides，studentsareexpectedtohaveadiscussionaboutwhattheyhaveincommonwhilelooki

6、ngatthem.Andtheyarerequiredtousethegivenexpressionsintheirdiscussiontoexpresstheirideas.T：Boysandgirls，todayIamgoingtointroducesomemachinestoyou.Nowlet’sseewhetheryoucannametheminEnglishcorrectly，andtalkaboutthem.Nowworktogetherwithyourpartnersandtrytofindoutwhattheyha

7、veincommon.Twominuteslate，fivestudentsareaskedtotalkabouttheminclass.S1：AnabacusisanoldcalculatingmachineusedinChinauntilnow.S2：Ahugecomputerisbuilttosolvesomemathematicalproblems.But，inmyopinion，itistoobig.S3：Acalculatorisanewcalculatingmachinewhichcansolvealargenumbe

8、rmathematicalproblems.AndIthinkitisveryconvenienttocarryanduse，soweoftenuseit.S4：APCisapersonalcomputer，whichcansolve