高一英语必修2Unit3教案文档格式.docx
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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?
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
（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。
（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。
Arecorder,smallblackboard教学过程和方式Step1Lead-in
AskandanswerthethreequestionsbetweenTandtheSs.
Step2Speaking
Talkaboutthepicturesinpairsorgroups.
Step3.Reading
1.Skimming
1.Togetabriefunderstandingofthetext.
2.Totrainthestudents’listeningability.
First,letSsskimthetextandthenlistentotherecordingofthetext.Payattentiontothepausesandpronunciation.
2.Scanning
TogetSstohavesomedetailsinthetext.
Nowwearetoreadthetextagainandunderlinealltheexpressionsinthetext.Writethemdowninyournotebook.
3.FurtherReading
TogetSstogetmoredetailsaboutthetext.
Readthetextagainandfindtheinformationtocompletethetable,whichdescribesthedevelopmentofcomputer.
1642:
___________________________________________________
1822:
TheAnalyticalMachinewasmadebyCharlesBabbage.
____:
___________________________________________________
1940s:
_____:
Thefirstfamilyofcomputerswasconnectedtoeachother.
1970s:
Now:
Step4.Retell
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）.
班级时间序号课时出席缺席课型课题
第三课时Languagepoints
2.Tolearnsomeimportantwordsandphrases.
3.Tolearnsomesentencepatterns.
（1）someimportantwordsandexpressions..
（2）somesentencepatterns.
（2）somesentencepatterns.
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
Usethewordsabovetomakesentencesandcheckthemwithyourpartner.
第四课时LearningaboutLanguage
（1）Someimportantwordsandexpressions.
（2）语法：
现在完成时的被动语态
（1）Tomakeupsomesentenceswiththenewwords.
（2）Translatesomesentencesusingthenewgrammar.
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.
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）.
第五课时Listening
1.Topracticelistening.
Improvetheirlisteningskills.
教学难点Howtoimprovetheirlisteningskills.
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.
Preparefornextperiod.
第六课时Usinglanguage
1.Tounderstandthepassageclearly.
（1）someimportantwordsandexpressions..
Arecorder,smallblackboard教学
升级会员 