陕西省蓝田县焦岱中学人教版高中英语必修二unit3Computers导学案1

Unit3ComputersThesecondperiodReading导学案【学习目标】Learntheusefulnewwordsandexpressionsinthereadingpassage.2.Learnaboutthedevelopmentandhistoryofcomputers.3.Learntousecomputersinourdailylife.【重点难点】1.Learnmoreabouthistoryandbasicknowledgeofcomputers.2.Developthereadingabilitybyscanningfordetailsbyself-directedstudyandcooperation.【学法指导】Tolearnbygroupdiscussionandcomparison【学习过程】【自主学习】Findoutthefollowingphrasesinthetext.1.计算机器______________ 2.分析机______________3.技术革命 ______________4.人工智能____________5.通用机器______________6.从那时起____________ 7.随着时间的推移______________8.很多新的用途__________9.到20世纪40年代_____________ 10.结果____________11.overtime_____________12.simplifydifficultsums__________13.inbrainpower____________14.intheearly1960s_____________15.PC（thefullname）_____________16.WWW.(thefullname)____________17.so…that…_______________18.provide…with…_____________19.ofhighquality_____________20.adevotedfriend_____________【引领探究】：探究一SkimmingReadthetext(P18)quicklyandfillintheblanks.1.Whatdoes“I”inthetitlereferto?___________2.Thetextmainlytellsusthe____________ofthecomputerandits___________indifferentfields.探究二ScanningReadthetextcarefullyandfillintheblanks.TimeDevelopmentIn1642Ibeganasa(n)_________machineinFranceandcould_________difficultsums.About200yearslaterIwasbuiltasa(n)__________machinebyCharlesBabbage.Afterbeingprogrammed,Icould“think”________andproduceananswerquickerthananyperson.Itwasthestartofmy“__________________”From1936onIgrewrapidlybothinsizeandin_________Bythe1940sIhadgrownaslargeasaroom,whichworriedmy__________Intheearly1960sIhadafamilyconnectedbyanetworkandIwasabletosharemyknowledgewithothersthrough_______________.Sincethe1970s1.Astimewentby,Iwasmadesmaller.FirstasaPCandthenasa________,Ihavebeenusedinofficesandhomes.探究三CarefulreadingReadthepassageagainandcompletethechartbelow.Paragraph1Paragraph2Paragraph3TopicsentenceSupportingdetails●●●●PC●●tubes●●●●●communications●finance●●●【当堂达标】Fillintheblanksaccordingtothetext.Ibeganasa___________machinein1642.WhenIwasyoung,Iwasgoodat____________difficultsums.AbouttwohundredyearshadpassedbeforeIcould“think”_________andproducequickeranswers.Atthattime,Iwascalledan___________machine.In1936,Iwasbuiltasa_________machine.Fromthenon,Igrewrapidlybothin_______andinbrainpower.Astimewentby,Ibecameeven______,whichmademebecomefirstaPCandthenalaptop.Intheearly1960s,theygavemeafamilyconnectedbya________.NowpeoplecallittheWorldWideWeb.Sincethe1970s,manynew__________havebeenfoundforme.Now,Iamhappytobecomea________friendandhelperofthehumanrace.【课后反思提升】请和你的组员一起认真分析下列句子，并补全所缺内容。这种学习方式能逐步提高你理解长难句的能力。●IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.(P18)【分析】本句是一个由and连接的_________句,and前的分句是一个_________句,and后的分句中包含一个由before引导的时间状语从句，before在此意为___________.【句意】我发育缓慢，差不多到了两百年之后，查尔斯巴比奇才把我制成了一台分析机。【仿写】昨晚我被噪音惊醒，很长一段时间后我才又入睡。__________________________________________Igottosleepagain.●Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!【分析】本句是一个主从复合句。句中包含一个由so…that….引导的___________从句，在从句