Period1ReadingTheGeneralIdeaofThisPeriod：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.1Twominuteslate，fivestudentsareaskedtotalkabouttheminclass.S1：AnabacusisanoldcalculatingmachineusedinChinauntilnow.S2：Ahugecomputerisbuilttosolvesomemathematicalproblems.But，inmyopinion，itistoobig.S3：Acalculatorisanewcalculatingmachinewhichcansolvealargenumbermathematicalproblems.AndIthinkitisveryconvenienttocarryanduse，soweoftenuseit.S4：A...
