高中英語 閱讀導學案

【課題】：BookⅡunit2Computers閱讀導學案【學習目標】：1.充分了解課文，準確把握文章主旨大意。2.了解計算機發(fā)展史【高考考點】閱讀了解【預習內(nèi)容】：一、背景知識TheDevelopmentoComputerScienceAcomputerisamachinewhichstoresknowledgeinitsmemoryanddoescalculationsonthatknowledge.Thisknowledgeisstoredinsymbols;itiscalleddata.Acomputerusuallyhasamonitortoshowresults.However,somecomputerscanspeak;thesecomputerscanbeusedforvoicemail.Theearlyfoundationsofwhatwouldbecomecomputersciencepredatetheinventionofthemoderndigitalcomputer.Machinesforcalculatingfixednumericaltasks,suchastheabacus,haveexistedsinceantiquity.CharlesBabbagedesignedadifferenceengineinVictoriantimes.Around1900,theIBMcorporationsoldpuch-card.Duringthe1940s,newerandmorepowerfulcomputingmachinesweredeveloped.Asitbecameclearthatcomputerscouldbeusedfprmorethanjustmathematicalcalculations,thefieldofcomputersciencebroadenedtostudycomputationingeneral.【學習過程】一．識記部分二．課文閱讀三．譯一譯【合作探究】一．識記部分（溫馨提醒：說一千道一萬記住單詞是關(guān)鍵。）單詞識記1.vt.簡化→adj.簡單，單一→adv.簡單地2.adv.邏輯上；和邏輯地；有條理地→_______n.（邏輯學）→adj.邏輯上；合邏輯；有條理3.adj.科技→n.工藝；科技；技術(shù)4.n.智力；聰明；智能→adj.聰明；智能5._________vt.處理；解答→_______n.處理方法6._______adj.私人；個人；親子adv.就個人而言；親自_______n.性格；個性；人格7._______adv.完全地；整個地→adj.整個；總n.總數(shù)；共計8.________vt.＆vi探索；探測；探究→n.探索9.________n.幸福；愉快；n.疾病；n.黑暗；句型搜索1.I________________inofficesandhomessincethe1970s.自20世紀70年代以來，我一直被用在辦公室和家庭里。2.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingI_______________!伴隨時間推移，我記憶力發(fā)展如此之快，就像一頭大象，從來不會忘記告訴我任何事情！二．課文閱讀Ⅰ.DiscussionLookatthesepictures.Inpairsdiscusswhattheyhaveincommon？(P.17)Whatdoyouthinkwillbethenextdevelopment?3.譯一譯與電腦關(guān)于單詞CPU(centreprocessingunit)DVD-ROMKeyboardscreenMousespeakerLCD(liquidcrystaldisplay)FloppydiskharddiskPC(personalcomputer)monitorDesktopcomputermodemLaptopfaxPrinterscannere-mailchipsReadthroughthewords.Usesomeofthemtonameeachpartofacomputerinthebox.4.Lookattheseinventions.Canyouputtheminanorderaccordingtothetomewhentheyappeared?Afterreadingthepassage,checktoseeifyouwereright.()analyticalmachine()laptop()calculatingmachine()robot()pc()universalmachineⅡ.Reading1.Questions⑴.whatdoesthepassagetalkabout?⑵.whois“theuniversalmachine”realfather?⑶.Whatapplicationshavebeenfoundforcomputersincethe1970s?⑷.Doyouknowinwhatwayscomputersareusedtoday?2.Decidethesentencestrueorfalse(TorF).⑴.IbeganasacalculatingmachineinFrancein1642.AfterthattimeIdevelopedveryrapidly.()⑵.CharlesBabbageusedcardswithholestoprogrammeforme.()⑶.Iwasbuiltasa“universalmachine”bymyrealfatherAlanTuring.()⑷.AsIhavegrownolderIhavegrownlarger.()⑸.Sincethe1970speoplegavemeafamilyconnectedbyanextwork.()⒊FillintheblanksTheDevelopmentsofComputersIn1642Computerbeganas1machinein2.In1822An___3___machinewasbuiltbyCharlesBabbage.In1936Computersgrewrapidlybothin___4___andin___5___.Bythe1940sAcomputergrewaslargeasa__6____.1960sThefirst___7___ofcomputerswasconnected.Sincethe1970sComputerswereusedin__8____and___9__.NowComputersconnectedpeoplealloverthe___10___.1.2.3.4.5.6.7.8.9.10.【課堂練習】.Readthepassageagainandcompletethechartbelow.Paragraph1Paragraph2Paragraph3TopicsentenceSupportingdetails1.calculatingmachine2.3.4.5.1.munications2.finance.7.⒋語篇領(lǐng)悟依照課文WhoamI?完成以下短文1historyofcomputerbeganin1642inFrance.2wasfirstbuiltonlyasacalculatingmachine,andlaterasanAnalyticalMachinethatcould“think”3(logic)andproduceananswerquickerthananyperson.Stilllater,the“universalmachine”isbuilt4(solve)mathematicalproblem,5madecomputerhuge!6theyearshavegoneby,computerhasbeenmadesmaller,quicker7cleverer.Later,computerswereconnectedbynetworkandbrought8commonpeople，shomestodealwithinformationandhelpcommunication9peoplearoundtheworld.Since10birth,computerhasalwaysbeendesignedtoservethehumanrace.5.Thinkaboutwhatyouwouldhavetodoifyoucouldnotusecomputersanymore?四．譯一譯Followothers’footprint,andleavethemnowaytogo.