最新高中英语优秀教案必修二人教版全套下名师优秀教案Word下载.docx
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最新高中英语优秀教案必修二人教版全套下名师优秀教案Word下载.docx
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Period2LearningaboutLanguage
TheGeneralIdeaofThisPeriod:
Thisperiodincludesrevisionofthetext、learningaboutlanguage.Fromthisperiodthestudentswilllearnhowto
usesomeofthekeywordsandexpressionsinthetextanddosomeexercisesforconsolidation,andlearnhowtousethePresentPerfectPassiveVoice.
TeachingAims:
1.Helpthestudentstolearntousesomeusefulwordsandexpressions.
2.Enablethestudentstolearnhowtousethepresentperfectpassivevoice.
TeachingImportantPoint:
Theuseofthepresentperfectpassivevoice.
TeachingDifficultPoints:
HowtomastertheusagesofsomeimportantwordsandphrasesandthePresentPerfectPassiveVoice.
TeachingMethods:
1.Task-basedlearning.
2.Cooperativelearning.
3.Explanationandpractice.
TeachingAids:
1.Ataperecorder.
2.Amultimedia.
TeachingProcedures:
Step1Revision
T:
Boysandgirls,inlastperiodwelearnedsomethingaboutthehistoryanddevelopmentofcomputers.Now
whowouldliketoretellthetextwiththehelpofthesefigures?
S:
Letmetry.In1642,acalculatingmachinewasusedinFrance.Thenin1922,theAnalyticalMachinewas1
madebyCharlesBabbage.Itcouldfollowinstructionsfromcardswithholes.In1936,AlanTuring,therealfatherofcomputers,wroteabooktodescribehowcomputerscouldbemadetoworkandbuilta“universalmachine”tosolve
anymathematicalproblem.Later,peoplediscoveredthecomputerhad“artificialintelligence”.Inthe1960s,the
computergothisnewtransistors.Itssizewastotallychangesatthattime.Andintheearly1960s,thefirstfamilyofcomputerswereconnectedtoeachother.In1970s,computershavebroughtintopeople’shomes.Nowcomputershave
3
beenusedbybillionsofpeopletodealwithinformationandcommunicatewitheachotheraroundtheworldbythe
Internet.
Congratulations!
You’vedoneverywell.Nowtrytodothesametoyourpartners,OK!
Step2WordsandExpressions
Task1
PleaseturntoPage19andfinishDiscoveringUsefulWordsandExpressions.Atfirst,lookatEx.1.Fromthe
readingpassage,findthewordsandexpressionswiththefollowingmeanings.Now,tenstudentswillbeaskedtogive
thewords.Whocan?
Volunteers!
Checktheanswerstogether.
Task2.
Welldone.NowpleaselookatEx2.andcompletethepassagewithsomeofthewordsabove.Payattentionto
theuseandtheformsofthosewords.
Thepossibleanswers:
networksothatwentbytotallytrulysimple-mindedAnywaydealwith
Task3
PleasefinishEx.3.LookatthesentencesonPage20.Ticktherightword.Thensomeofyouwillbeaskedto
readthesentencesonebyone.
1.LifetotallychangedwhenIwenttouniversity.
2.IwasamazedtofindthatIwonthecompetitiontodesignanewcomputer.
3.Thecompetitionwassoexcitingthatwecheeredallevening.
4.IwassoexcitedatthethoughtofmeetingYangLiweithatIcouldnotsleep.
5.RobotscanbeboughtsocheaplythatIgaveonetoeachofmyfriends.
6.Itwassounluckythatyoulostyourwatchattheconcert.
Task4
PleaseturntoPage56andlet’sfinishUsingWordsandExpressions.FirstlookatEx.1.Readthroughthewordsintheright-handboxbelow.Usesomeofthemtonameeachpartofacomputerintheleft-handbox.Wehave
knownaboutcomputer.Butwhocangiveustheexactnames?
1.floppydisc2.harddisc3.scanner4.modem5.CD-ROM6.monitor7.keyboard8.printer
Task5
NowpleaselookatEx.2.Completethesentenceswithsomeofthewordsintheright-handboxabove.Youcan
useeachwordonlyonce.Firstdotheexerciseindividually,andthencheckyouranswerswithyourpartners.Andlastsevenstudentswillbeaskedtoreporttheiranswerstotheclass.
1.Aprinterisamachineforprintingtextorpicturesontopaper,especiallyonceconnectedtoacomputer.
2.ACD-ROMordiskisthemaindevicethatacomputerusestostoreinformation.
3.Amonitorisusedtoseeyourdataonacomputer.
4.Akeyboardisusedtoputdataintoacomputer.
5.ACPUisoftenusedtoconnectcomputerstoeachotherthroughphonelines.
6.Datacanalsobestoredinafloppydisc,whichissmallandcanbecarriedeasily.
7.Aharddiscisadiscthatcontainscomputerdata.Itcanstorealargeamountofdata.
Step3Grammar—ThePresentPerfect
PassiveVoice
Boysandgirls,nowpleasepayattentiontothefollowingsentencesinthetext:
1.Astheyearshavegoneby,Ihavebeenmadesmallerandsmaller.
2.Sincethen,myfamilyandIhavebeenusedbybillionsofpeopletodealwithinformationandcommunicate
4
witheachotheraroundtheworldbytheInternet.
3.Ihavetrulybeenbuilttoservethehumanracesincemybirth.
Whatverbtenseisusedinthesesentences?
Andwhatverbvoiceisusedinthesesentences?
Yes,thepresentperfectpassivevoiceisusedinthesesentences.
Canyoutellusthestructureofthepresentperfectpassivevoice?
subject,have/hasbeendone,object”.TheQuiteright.Thestructureofthepresentperfectpassivevoiceis“
functionofpresentperfectpassivevoiceisindicatingverbs’thepresentperfectandthepassivevoice.OK,let’s
practisethepresentperfectpassivevoice.
PleaseturntoPage20.Let’sfinishDiscoveringusefulstructures.
Atfirst,lookatEx.2.Accordingtoexamples,changethefollowingsentencesintothepresentperfectpassivevoice.Puttheverbsintothecorrectform.
Suggestedanswers:
1.Anewpersonalcomputerhasbeenbought.
2.Manyproblemshavebeenfoundwithournewcomputer.
3.APChasbeenbuiltthewaywewanted.
4.OurcomputerhasjustjoinedtotheInternet.
5.Thecomputerhasbeenusedeverydaysinceweboughtit.
6.Alotofe-mailshavebeenwrittenonthecomputerinthelastyear.
Task2
Class,let’splayagamecalled“Whathasbeendecided”.Now,getintogroupsoffour.Yourtaskistodecidewhatthingshavebeendecidedfortheclass.Taketurnstomaketheideasasinterestingandlivelyasyoulike.Youmayfinish
themaccordingtoEXAMPLESonPage21,(orfinishEx.3afterclass.)Thencollecttheonesyoualllikebestandbepreparedtotellthemtotheclass.
Ithasbeendecidedthatthosewhoknowofthecomputerwillbeaskedtosaysomethinginclass.1
Ithasbeendecidedthatthosewhodidn’tcleantheblackboardwillbeaskedtocomeintoofficeafterschool.2
Now,pleaseturntoPage57.Finishusingstructures.First,lookatEx.1andchangethefollowingsentencesaccordingtothemodel,andpayattentiontothepassivevoiceform.Firstdotheexerciseindividually,andthencheck
youranswerswithyourpartners.Afterthatwe’llchecktheanswersinclass.
Step4Homework
OK,it’salmosttimeforabreak.NowlookatEx.2onPage57.TranslatethefollowingsentencesintoEnglish
afterclass.Thewordsandexpressionsinbracketsmayhelpyou.
Step5TheDesignoftheWritingontheBlackboard
Unit3Computers
Period2
ThePresentPerfectPassiveVoice
2.Sincethen,myfamilyandIhavebeenusedbybillionsofpeopletodealwithinformationandcommunicatewitheachotheraroundtheworldbytheInternet.
Structure:
“subject+have/hasbeendone+object”
Step6RecordafterTeaching
5
Period3ExtensiveReading
Thisperiodincludesrevisionofthetext,ReadingandspeakingonPage22、ReadingtaskonPage58.InthisperiodthestudentswillbeinvolvedinaspeakingactivityaboutdesigninganandroidafterreadingthestoryofAndy,
andlearnsomethingabouttheperformancesofasportingrobotofthe22ndcentury,HuaFeiin78thOlympicsand79thOlympics,sothatthestudentswillnotonlyimprovetheirreadingandspeaking,butalsotheircreativethinking.
1.Helpthestudentstolearnaboutthedifferentwaysofdesigningtherobotsandgivetheiropinionstotheclass.
2.Enablethestudentstodiscusstodesigntheirownrobots.
Talkaboutthedifferentwaysofdesigningtherobots.
TeachingImportantandDifficultPoints:
Howtodesigntheirownrobotsandreporttheirdesigningtotheclass.
Step1Greetings
Step2Reading
(1)
We’velearnedalotaboutcomputers,butcanyouimaginethatcomputerscouldbeputintoandroidsor
robots.Thinkofthefunyoucouldhave!
Nowlet’sfirstreadthepassageaboutarobotcalledAndy—whatitlookslikeandwhatitcandoonPage22,andthenwe’llhaveadesigningcompetitiontoseewhowilldesignthebestrobots.
Thestudentsreadthepassageforseveralminutes.
Afewsimplequestionsforyou.WhatdoesAndylooklike?
Whatcanitdo?
Andylookslikeahuman.Itisdesignedtoplayfootballgamesandcanmoveandthinklikeahuman.Andyis2
reallysmart.
Iagreewithyou.Areyoueagertodesignyoursmartrobots?
Nowinsmallgroupsdiscusshowtodesignyour
ownandroids,drawapictureofyourandroidsandwritedownyourdesign.Youmayrefertothefollowingquestions:
1.Whatwouldyoulikeittolooklike?
2.Whataresomeofthething
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