高中英语（人教大纲）第二册下：unit18 inventions(第四课时)

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1、TheFourthPeriodTeachingAims:1.Learnareadingpassagetoimprovethestudents’readingability.2.Dosomewritingpracticetoimprovethestudents’writingability.3.Learnsomeusefulwordsandexpressions.TeachingImportantPoints:1.Improvethestudents’integratingskills.2.ReviewtheAttr

2、ibutiveClause.TeachingDifficultPoint:Howtoimprovethestudents’integratingskills.TeachingMethods:1.Readingandunderstandingtoimprovethestudents’readingability.2.Writingpracticetoimprovethestudents’writingability.3.Individualorpairworktomakeeverystudentworkinclass

3、.TeachingAids:1.themultimedia2.theblackboardTeachingProcedures:CStepⅠGreetingsGreetthewholeclassasusual.CStepⅡLead-inandReadingT:Howmanyofyouhaveacomputerathome?Pleaseputupyourhands.(Somestudentsputuptheirhands.)Good.Mostofyouhaveacomputer.Whatdoyoudowithyourc

4、omputer?S:IsearchforinformationontheInternet.AndsometimesIplaygameswithit.T:Doesanybodydoanythingelsewithit?S:Isometimesdrawpicturesortypesomething.S:Forme,Isometimessende-mailstomyfriends.S:Ilistentothemusic.S:Iwatchfootballmatches.…T:Doyouthinkthecomputerisr

5、eallyusefultoyou?S:Notexactly.Icanalsodothesethingswithoutacomputer.IcangotoalibrarytolookfortheinformationthatIneed.Butit’smuchquickerandmoreconvenientifIuseacomputer.S:Icanlistentothemusiconataperecorder.S:IcanwatchfootballmatchesonTV.…T:You’requiteright.New

6、technologyisoftenusedinoldways.Now,pleasehaveadiscussioningroupsoffourtocompletethechartshownonthescreen.(Showthefollowingonthescreenandgivethestudentsamomenttohaveadiscussion.)TechnologyUsageComputerUsedasatypewriter————————————————TheInternetUsedasalibrary

7、——————————————————————————————————————————————(Afterafewminutes,askseveralstudentstosaytheiranswers.Studentsmayhavevariousanswers.)Suggestedanswers:TechnologyUsageComputerUsedas:atypewriteraprojectoravideogameplayeradrawingboardTheInternetUsedas:alibrarya

8、TVatelephonearadioUsedto:sende-mailsreadnewsfromhomeandabroadCellphoneUsedas:atelephoneatelephonedirectoryavideogameplayerawatch/calendaranalarmclockUsedto:sendinformationtoothersT