高一英语必修2Unit3教案.docx
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高一英语必修2Unit3教案
班级时间序号课时出席缺席课型课题
第一课时WarmingUp,Pre-reading
教学目标
1.Toknowsomethingaboutcomputers.
2.Tolearnandtalkaboutcomputers.
教学重点
(1)使学生了解计算机的发展历程,及其在当今社会的广泛运用;
(2)鼓励学生用英语表达自己的观点,进行简单的推理和做出决定。
教学难点
(1)教会学生通过时间的先后顺序来表达一件事;
(2)让学生自己发现并感悟相关的语言规律,在学习过程中培养语感。
教学方法Individual,pairorgroupworktomakeeverystudentworkinclass.
教具准备:
Arecorder,smallblackboard教学过程和方式Step1.Leading-in
Purpose:
ToactivatetheSsandarousethemtotalkabouttheimportanceofcomputersinmodernsociety.
AskSswhethertheyhaveacomputerornotandwhattheyuseitfor.Letthemtalkasmuchaspossible
Step2.WarmingUp
Purpose:
TogetSstothinkaboutthedifferentwayscomputerscanbemade.
Pairwork
GetSstolookatthefollowingpictures,andthenaskthemtoanswerthequestions.
AhugecomputerAPC
AnotebookcomputerAcalculator
1.Whatarethey?
2.Whatdotheyhaveincommon?
SuggestedAnswers:
1.ahugecomputer,apersonalcomputer,anotebookcomputer,acalculator,anabacus
2.
(1)tobeusedtocalculate;
(2)operatebyhumanbeings;
(3)theyareallartificial;
(4)showfiguresinacertainway.
Groupwork
AskSsthefollowingquestionsandencouragethemtosaymore.
1.Howhavecomputerschangedourlives?
2.Whatdoyouknowaboutcomputers?
SuggestedAnswers:
1.They’reamuchmoreusefulandhumanetoolthanthephone,andwithcorporateAmericabehindthemthenetworkswillbeeverywhere---changingourlivesmorethananytechnologysincetheautomobile.
2.Amulti-functionelectronicdevicethatcanexecuteinstructionstoperformatask.
作业设计:
ReadthepassageBintheWorkbook.
教学回顾:
班级时间序号课时出席缺席课型课题
第二课时Reading
教学目标
1.Toknowsomethingaboutcomputers.
2.Tolearnandtalkaboutcomputers.
教学重点
(1)使学生了解计算机的发展历程,及其在当今社会的广泛运用;
(2)使学生了和掌握现在完成时的被动语态的用法;
(3)鼓励学生用英语表达自己的观点,进行简单的推理和做出决定。
教学难点
(1)教会学生通过时间的先后顺序来表达一件事;
(2)让使学生了和掌握现在完成时的被动语态的用法;
(3)学生自己发现并感悟相关的语言规律,在学习过程中培养语感。
教学方法Individual,pairorgroupworktomakeeverystudentworkinclass.
教具准备:
Arecorder,smallblackboard教学过程和方式Step1Lead-in
AskandanswerthethreequestionsbetweenTandtheSs.
Step2Speaking
Talkaboutthepicturesinpairsorgroups.
Step3.Reading
1.Skimming
Purpose:
1.Togetabriefunderstandingofthetext.
2.Totrainthestudents’listeningability.
First,letSsskimthetextandthenlistentotherecordingofthetext.Payattentiontothepausesandpronunciation.
2.Scanning
Purpose:
TogetSstohavesomedetailsinthetext.
Nowwearetoreadthetextagainandunderlinealltheexpressionsinthetext.Writethemdowninyournotebook.
3.FurtherReading
Purpose:
TogetSstogetmoredetailsaboutthetext.
Readthetextagainandfindtheinformationtocompletethetable,whichdescribesthedevelopmentofcomputer.
1642:
___________________________________________________
1822:
TheAnalyticalMachinewasmadebyCharlesBabbage.
____:
___________________________________________________
1940s:
___________________________________________________
_____:
Thefirstfamilyofcomputerswasconnectedtoeachother.
1970s:
___________________________________________________
Now:
___________________________________________________
Step4.Retell
Purpose:
Tohaveadeepunderstandingofthetext.
AskSstousethechartabovetoretellthedevelopmentofthecomputer.
Onepossibleversion:
I,acomputer,wasacalculatingmachinein1642inFrance.ThenIwasbuiltasanAnalyticalMachinein1822,whichwasatechnologicalrevolution.Ibecamea“universalmachine”in1936tosolveanymathematicalproblem.IwasnotverybigatfirstthenIbecamehuge,thesizeofalargeroombeforeIwasmadesmallerandsmaller.
Gettingnewtransistors,laterverysmallchipsIchangedmyshape.Iwasconnectedwithothercomputersandturnedouttopartofanetworkintheearly1960s.In1970sIwasbroughtintopeople’shomes,andcametheInternet.
Step5.作业设计
1.Writeashortpassageaboutthedevelopmentofcomputers.
2.FinishEx1(P19),Ex2(P20).
教学回顾:
班级时间序号课时出席缺席课型课题
第三课时Languagepoints
教学目标
1.Toknowsomethingaboutcomputers.
2.Tolearnsomeimportantwordsandphrases.
3.Tolearnsomesentencepatterns.
教学重点
(1)someimportantwordsandexpressions..
(2)somesentencepatterns.
教学难点
(1)someimportantwordsandexpressions..
(2)somesentencepatterns.
教学方法Individual,pairorgroupworktomakeeverystudentworkinclass.
教具准备:
Arecorder,smallblackboard教学过程和方式1.common
(1)mostwidelyknown;ordinary:
(2)havenothing/little/something/alotincommon
2.analytical分析的
3.technology科技;技术
EgWiththedevelopmentoftechnology,wewillcureAIDSsoonerorlater.
4.calculate(v.)
1)tousenumberstofindoutatotalamount,distance,etc.计算;核算
2)toguesssthbyusingalltheinformationavailable推测,估计
Itisimpossibletocalculatewhatinfluencehehadonherlife.
5.goby:
topass逝去,过去
Thingswillgeteasierastimegoesby.随着时间的推移,情况会有所改善。
6.totally:
completely完全地;全部地;整个地
Theycomefromtotallydifferentcultures.他们来自完全不同的文化。
7.sharewith:
tohaveorusesthatthesametimeassbelse共用,合用
Marysharesahousewiththreeotherstudents.玛丽和另外三个学生合住一间房子。
Sharein分享,分担
8.explore(v.)
1)totraveltooraroundanareaoracountryinordertolearnaboutit勘察;探索;考察
Thecityisbestexploredonfoot.最好是徒步考察这个城市。
2)examinesthcompletelyorcarefullyinordertofindoutmoreaboutit.探究,调查研究
TheseideaswillbeexploredinmoredetailinChapter7.这些想法将在第七章里作更详细地探讨。
9.inaway:
toacertainextent在某种程度上
Intheway阻碍,妨碍
作业设计:
Usethewordsabovetomakesentencesandcheckthemwithyourpartner.
教学回顾:
班级时间序号课时出席缺席课型课题
第四课时LearningaboutLanguage
教学目标
1.Toknowsomethingaboutcomputers.
2.Tolearnandtalkaboutcomputers.
教学重点
(1)Someimportantwordsandexpressions.
(2)语法:
现在完成时的被动语态
教学难点
(1)Tomakeupsomesentenceswiththenewwords.
(2)Translatesomesentencesusingthenewgrammar.
教学方法Individual,pairorgroupworktomakeeverystudentworkinclass.
教具准备:
Arecorder,smallblackboard教学过程和方式Step1.LearningaboutLanguage
Filltheblanksandchecktheanswersaltogether.
(1)Snowis_______(常见的)incoldcountries.
(2).Canyou_______(估计)thecostofthisjourney?
(3).The_________(分析)ofthesamplesonthemurderspotshowedsomevaluableclues
tothepolice.
(4)Ishallgoandseehim________(无论如何)
(5)He'ssomekindof________(数学)genius.
Step2:
Grammar
(1)Presentation
①Revisethegrammar:
thepresentpassivevoice.
am/is/are+done
②Revisethegrammar:
thepresentperfectvoice.
Have/has+done
③Explainthegrammar:
thepresentperfectpassivevoice.
——>Have/hasbeen+done
(2)Practice
①Filltheblankswiththecorrecttense.
A.–Thewindowisdirty.
-It___________(notclean)forweeks.
B.---GeorgeandLucygotmarriedlastweek.Didtheyhaveabigwedding?
---No,I__________________(notinvite).
Didtheyhaveabigwedding?
.C.---Haveyoumovedtoyournewapartment?
---Notyet,it_______________(paint)atthemoment.
D.toomuch.Thestudentshavebeenmade__________(notplay)computergames
E.Sincethen,alldifferentkindsofinformation____________________(处理)bycomputers.
F.Hedoesn’tmindthestory_____________(编造)inthisway.
SuggestedAnswers:
A.hasn’tbeencleanedB.hadn’tbeeninvitedC.isbeingpaintedD.nottoplayE.hasbeendealtwithF.beingmadeupd
②TranslatingfollowingsentencesintoChinese
A.Anewpersonalcomputerhasbeenbought.
B.Manyproblemsahsbeenfoundwithournewcomputer.
C.APChasbeenbuiltthewaywewanted.
D.OurcomputerhasjustjointedtotheInternet.
E.Thecomputerahsbeenusedeverydaysinceweboughtit.
F.Alotofe-mailshavebeenwrittenonthecomputerinthepastyear.
Step3.作业设计:
FinishEx1(P21),Ex2(P21)andEx3(P21).
教学回顾:
班级时间序号课时出席缺席课型课题
第五课时Listening
教学目标
1.Topracticelistening.
教学重点
Improvetheirlisteningskills.
教学难点Howtoimprovetheirlisteningskills.
教学方法Individual,pairorgroupworktomakeeverystudentworkinclass.
教具准备:
Arecorder,smallblackboard教学过程和方式Step1.Listening(UsingLanguage)
1.ShowthefourspicturestoSsandletthemtalkaboutthem.
TVDVD
2.Listentothetape
3.Listeningtask(WorkbookP58)
Period5Speaking,Reading,Writing
Speaking1.Groupwork
GettwoSstobeagroupandtelleachgroupdoasfollows.Thenletsomeofthegroupspresenttheirreports.
Youandyourpartnerhavebeenaskedtohelpchoosecomputersforyourschool.Youhavelookedatseveralcomputers.Talkaboutthespecialthingseachcomputercando.Makeadecisionaboutwhichkindofcomputertobuyandexplainwhy.Writeareportaboutyourchoice.Thenreadyourreporttoanothergroupasiftheyareateacherortheheadmaster.Belowisalistofthingsyourcomputercouldhave.2.Individualwork
Supposeeverystudenthaveachancetogetacomputerandtheycanchooseanykindofcomputer.Letthemthinkaboutthereasonstheychoosethecomputer.Thenaskthemtopresenttheirreasons.
作业设计:
Preparefornextperiod.
教学回顾:
班级时间序号课时出席缺席课型课题
第六课时Usinglanguage
教学目标
1.Tounderstandthepassageclearly.
2.Tolearnsomeimportantwordsandphrases.
3.Tolearnsomesentencepatterns.
教学重点
(1)someimportantwordsandexpressions..
(2)somesentencepatterns.
教学难点
(1)someimportantwordsandexpressions..
(2)somesentencepatterns.
教学方法Individual,pairorgroupworktomakeeverystudentworkinclass.
教具准备:
Arecorder,smallblackboard教学