新人教版必修二 Unit 3 Computers-Warming up课件

Unit3ComputersWarmingup,TalkingandListeningDoyouknowthem?keyboardmousefloppydiscUSBflashdiscCD/DVD/VCDCD/DVD-ROMmonitorharddiscchips1243561.monitor2.screen3.CD-ROM4.mouse5.keyboard6.harddiskLabeleachpartabacushugecomputercalculatorPC(Personalcomputer)laptopPDA(personaldigitalassistant)robotWhat’snext?Whatdotheytellyouaboutthedevelopmentofcomputers?1.Whatdotheyhaveincommon?Ithinkthat…Inmyopinion…Ibelievethat…1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.DiscussionOneDoyouknowinwhatwayscomputersareusedtoday?Workoutalistandcompareitwithyourpartner.DiscussionTwo1.useacomputerforschoolwork2.playgamesonthecomputer3.sendemailstofriends4.downloadmusicandfilms5.surfthewebforfun6.takepartinchatgroups7.usetheInternettoresearchinformationforschooltasks8.buythingsonline9.lookatphotographsonthecomputer10.readnewsbothathomeandabroad,readbooksandmagazines

incommon:fororbyallofagroup共同的；共有的；共用的常常have…incommonwith…如：

havenothingincommon无共同之处havelittleincommon几乎无共同之处havesomethingincommon有一些共同之处havealot/muchincommon有许多共同之处Languagepoints1)Youknow,Dorothy,Ihaveonethingincommonwithyou．2)Ihavenotingincommonwithhim,sohowcanIgetalongwellwithhim.

3)Incommonwithmanyotherclassmates,Imonknowledge/sense常识commonpeople普通人，老百姓Reading1.Fastreadingforgeneralideas1)Whoisthespeakerinthisstory?Acomputer.2)Readingtogetthegeneralideaofthe

typeofwritingandsummaryofWHOAMI?

TypeofwritingMainideaofthepassageThisisapieceof

narrativewriting.记叙文Ittellsaboutthebirthanddevelopmentofcomputer.Topicsentenceof1stparagraphTopicsentenceof2ndparagraphTopicsentenceof3rdparagraphIbeganasacalculatingmachineinFrancein1642.

Mymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.2.Detailedreading1)Wherewereyouin1642?2)Whatwereyoucalledin1936?3)Whathappenedtoyouinthe1970s?Sincethe1970sIhavebeenusedinofficesandhomes.InFrance.Auniversalmachine.1642The“analyticalmachine”wasmadebyCharlesBabbage.1936Thecomputerbeganasacalculatingmachine．1840sAlanTuringwroteabookabouthowcomputercouldbemadetoworkasa“universalmachine”tosolveanydifficultmathematicalproblem.Pleasefillinthetable1940sThefirstfamilyofcomputerswasconnectedtoeachother.1970snow1960sManynewapplicationshavebeenfoundforcomputer.Computersconnectpeopleallovertheworldtogether.Computerhadgrownaslargeasaroom.DiscussionHowcomputershavechangedourlives?AdvantagesVS.Disadvantages1.Atthattimeitwasconsideredatechnologicalrevolution.technologicaladj.---technologyn.technicaladj.---techniquen.technology指总的科学技术（抽象）technique指小的技术，技巧（具体）Eg.Scienceand______modernmanagement________Languagepointstechnologytechnique2.artificialadj.人造的，假的artificialintelligence人工智能artificialflowers/pearls/smile假花/假珍珠/假笑3.solvevt.---solutionn.solveaproblem/puzzle/mysterythesolutiontotheproblemanswerthequestiontheanswertothequestion4.from…on从……时起从那時起，王子与公主就幸福地生活在一起。Fromthenon,theprinceandprincesslivedhappily.Fromnowon,Iwilllistencarefullyinclass.5.Bythe1940s,Ihadgrown

aslargeasaroom,andIwondered

ifIwouldgrowanylarger.by加时间，一般用完成时态Bytheendof2009,I__________fortenyears.BythetimeIwasfifteen,I___________mydream.as…原形…as…，和…一样notas/so…as…,不如Theroomisaslargeasthatroom.Theroomisthreetimesaslargeasthatroom.Theroomistwicelargerthanthatroom.Theroomisthreetimesthesizeofthatroom.可修饰比较级的词abit,alittle,rather,much,far,alot,agreatdeal,any,still,even,byfar等

注意：quite,very不能修饰比较级1.Thatboxis___________mine.A.asheavytwiceasB.twicesoheavyasC.twiceasheavyasD.twiceasheavieras2.Doesheget______better?muchB.moreC.veryD.any6.astimewentby,Iwas…astimegoesby=withtimegoingby随着时间流逝，他通过努力在英语上取得了很大进步。Astimegoesby,hemakesgreatprogressinEnglishbecauseofhishardwork.7.asaresult结果1)他不用功,结果考试不及格。Hedidn’tworkhard,asaresulthefailedhisexam.asaresultof……的结果，由于2)由于大雪他迟到了。

Hewaslateasaresultofthesnow.3)由于政府缩减经费的缘故，有五百人被突然解雇了。Fivehundredpeoplewerefiredasaresultofgovernmentspendingcuts.8.so…that…如此……以致于……such…that…eg.Heissooldamanthathecan’tcarrythebox.Heissuchanoldmanthathecan’t

carrythebox.Theyare_____beautifulflowersthatwealllikethem.Theyare____beautifulflowers___wealllike.so...that...结构的so+形容词/副词位于句首时，句子用倒装结构。

Soharddoesheworkthatheseldomgoeshome.Thereare___manybooks___wecan’taffordthem.Thereare____manybooks___wecan’tafford.(many,much,few,little(少）前只能用so)adj./adv.so+adj.+a/an+单数名词that…many/much/few/little(少)a/anadj.+单数可数名词such+adj.+复数可数名词thatadj.+不可数名词9.anyhow=anywayadv.无论如何；即使如此；至少1)Icouldn’tthinkofthenameofthatmananyhow.2)至少你可以试试。

Anyhow,youcantry.3)无论如何，我必须说出真相。AnyhowImusttellthetruth.区别someway,somehow以某种方式，不知怎么的Somehow,hewasafraidofhisEnglishteacher.10.thehumanrace人类1)Isthehumanracethreatenedwithcompleteextinction?人类是否会受到完全灭绝的威胁呢？人类：thehumanrace谓语单数humanbeings/ahumanbeing可数mankind/man前不加冠词，谓语单数11.trulyadv.----trueadj.---truthn.yourstruly.用于信末=yourssincerelytotellyouthetruth说实话12.beginas=startas后面加职业，身份beginwith=startwith后面加方式，手段

Hebegan________ateacher.Thatclassbegan________afavoritesong.endupwith+方式/endupin+结果11.givesth.awaytosb.…giveitscomputersawaytoalocalschoolHegaveawaymostofhismoneytocharity.捐赠Theprinciplegaveawaytheprizestoher.颁发Hegaveawayoursecrettoourteacher.泄露Hisnervousnessgavehimaway.出卖引申give短语giveupgivein(tosb.)givebackgiveoutgiveoff放弃投降，屈服；上交=handin归还=return分发；释放（热）；用完vi.释放（味道.热）12.personally=inone’sopinion=asfarasoneisconcernedPersonally,Ithinkyouareright.13.inaway=inoneway=insomeways在某种程度上intheway挡道inthisway用这种方法（bythismeans)onthe/one’sway(to…)去…的路上bytheway顺便说一下14.arise---arose---arisenvi.出现Anopportunityhasarisen.arisefrom有…引起Trafficaccidentsarisefromcarelessness.区别rise,raise15.makeup形成，组成，构成Onehundredyearsmakeupacentury.Onecenturyismadeupofonehundredyears.虚构,捏造,编造