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ID:14752841
大小:75.50 KB
页数:3页
时间:2018-07-30
《高中英语导学案与练习必修二(unit3 computers--period2 learning about language)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Period2LearningaboutLanguageTheGeneralIdeaofThisPeriod:Thisperiodincludesrevisionofthetext、learningaboutlanguage.Fromthisperiodthestudentswilllearnhowtousesomeofthekeywordsandexpressionsinthetextanddosomeexercisesforconsolidation,andlearnhowtousethePresentPer
2、fectPassiveVoice.TeachingAims:1.Helpthestudentstolearntousesomeusefulwordsandexpressions.2.Enablethestudentstolearnhowtousethepresentperfectpassivevoice.TeachingImportantPoint:Theuseofthepresentperfectpassivevoice.TeachingDifficultPoints:Howtomastertheusageso
3、fsomeimportantwordsandphrasesandthePresentPerfectPassiveVoice.TeachingMethods:1.Task-basedlearning.2.Cooperativelearning.3.Explanationandpractice.TeachingAids:1.Ataperecorder.2.Amultimedia.TeachingProcedures:Step1RevisionT:Boysandgirls,inlastperiodwelearnedso
4、methingaboutthehistoryanddevelopmentofcomputers.Nowwhowouldliketoretellthetextwiththehelpofthesefigures?S1:Letmetry.In1642,acalculatingmachinewasusedinFrance.Thenin1922,theAnalyticalMachinewasmadebyCharlesBabbage.Itcouldfollowinstructionsfromcardswithholes.In
5、1936,AlanTuring,therealfatherofcomputers,wroteabooktodescribehowcomputerscouldbemadetoworkandbuilta“universalmachine”tosolveanymathematicalproblem.Later,peoplediscoveredthecomputerhad“artificialintelligence”.Inthe1960s,thecomputergothisnewtransistors.Itssizew
6、astotallychangesatthattime.Andintheearly1960s,thefirstfamilyofcomputerswereconnectedtoeachother.In1970s,computershavebroughtintopeople’shomes.NowcomputershavebeenusedbybillionsofpeopletodealwithinformationandcommunicatewitheachotheraroundtheworldbytheInternet
7、.T:Congratulations!You’vedoneverywell.Nowtrytodothesametoyourpartners,OK!Step2WordsandExpressionsTask1T:PleaseturntoPage19andfinishDiscoveringUsefulWordsandExpressions.Atfirst,lookatEx.1.Fromthereadingpassage,findthewordsandexpressionswiththefollowingmeanings
8、.Now,tenstudentswillbeaskedtogivethewords.Whocan?Volunteers!Checktheanswerstogether.Task2.T:Welldone.NowpleaselookatEx2.andcompletethepassagewithsomeofthewordsabove.Payattentiontotheusean
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