高中英语 unit3 computers教案 新人教版必修2

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1、Unit3Computers教学目的和要求（Teachingaimsanddemands）类别课程标准要求掌握的项目话题Informationtechnology；historyandbasicknowledgeofcomputersrobots词汇calculatecalculatorPCnotebookcommonanalyticalsimplesimple-mindedtechnologytechnologicalrevolutionuniversalmathematicalartificialintelligenceanyw

2、aytotallynetworktrulyracebirthITadvantagedisadvantagetypedisagreechoicematerialpersonallycreatecoachmovearisebrainmopwander词组、短语incommoninone’sopiniongobyso...that...dealwithhumanraceinawaymakeupwiththehelpofafterallwatchover功能1.做出决定（Makingdecisions）Ithinkthat...Inmyop

3、inion...Ibelievethat...Let’smakeourdecision.I’vedecidedthat...2.推理（Reasoning）Theadvantage/disadvantageis...What’syourreason?Whydoyouthinkso?Ithinkthisoneisbetterbecause...Idon’tlikethisonebecause...语法现在完成时的被动语态结构和用法Ihavebeenmadesmallerandsmaller.Ihavebeenusedbymillions

4、ofpeople.Ihavetrulybeenbuilttohelpthehumanrace.随堂练习1、Gooverthestoryanddiscusswithyourpartnerwhothespeakerisinthisstory.Nowwritedownthreesentencesfromthestorytosupportyouridea.Itisacomputerbecauseitdescribes：ItselfastheanalyticalmachinedesignedbyCharlesBabbage（whichwast

5、hefirstdesignofacomputer）.Thenin1822IwasbuiltasanAnalyticalMachinebyCharlesBabbage.AlanTuringasitsrealfather（andhedesignedthefirstrealcomputer）.“MyrealfatherwasAlanTuring...”Havingartificialintelligence（whichonlycomputershave）.Peoplehavenaturalintelligence.“However,peo

6、plethoughtIwassimple-mindeduntiltheydiscoveredIhad‘artificialintelligence’.”2、Lookatthetimelinebelow.Fillintheblankswithinformationfromthereadingabove.Timeline1642：Thecomputerbeganasacalculatingmachine.1822：TheAnalyticalMachinewasmadebyCharlesBabbage.1936：AlanTuringwro

7、teabooktodescribehowcomputerscouldbemade.1960s：Computershadnewtransistorsandbecamesmaller.1960s：Thefirstfamilyofcomputerswasconnectedtoeachother.1970s：Computerswerebroughtintopeople’shomes.Now：Computersconnectpeopleallovertheworldtogether.课堂笔记1、Iknowthissoundsverysimpl

8、e,butatthattimeitwasatechnologicalrevolution.我知道这听起来很简单，但是在那个时候这却是一项技术革命。sound+形容词，意为“听起来如何”，soundlike+名词，是“听起来像……”的意