教學設計一．教學目標語言知識目標1)學習掌握以下重點單詞和短語：calculate,simplify,sum,universal,solve,technologicalrevolution,artificial,intelligent,reality,total,network,web,application,finance,character,asaresult,explore,arise,inaway,anyhow,humanrace,operator,logically,rocket學習文章的擬人手法和以時間為順序的寫作方法。學習了解有關電腦知識。語言技能目標發(fā)展學生聽說讀寫的綜合技能，培養(yǎng)學生的語言綜合運用能力。讓學生能通過段落中心句確定段落大意，運用找讀技巧搜尋文章主要信息。讓學生能根據(jù)時間線索組織文章情節(jié)的發(fā)展。讓學生根據(jù)文章內容，結合生活實際，表達自己有關電腦的各種觀點。讓學生能根據(jù)所閱讀和討論的內容寫一篇短文,鍛煉書面表達能力。情感態(tài)度目標1)通過本節(jié)課學習，讓學生對電腦網(wǎng)絡更加熟悉，并在日常生活、學習中恰當應用電腦，從而達到更加熱愛生活的目的。2)陶冶學生的道德情操，培養(yǎng)學生自主、合作和探究精神。二．教學重點難點：訓練學生通過閱讀練習提高自己的閱讀能力。通過設置任務，激活學生思維，啟發(fā)學生討論，激發(fā)學生的寫作興趣，學會寫作關于計算機話題的文章。掌握擬人手法和以時間為順序組織文章內容。三．教學過程Step1.Lead-inLetthestudentsenjoyashortvideoinwhichsomerobotsaredancingandasksomesimplequestions.設計意圖：通過看視頻和回答問題引出本節(jié)課話題。Step2.FastreadingReadthefirstsentenceofeachparagraphandchoosethebestanswers.Whoisthespeakerinthisstory?AcomputerB.ApersonWhatisthemainideaofthispassage?Computersmayreplacehumanbeings.Thedevelopmentandapplicationsofcomputers.設計意圖：通過快讀使學生了解課文的大體內容和結構。Step3.Carefulreading1.Readthefirstparagraphandfinishthefollowingtwotasks.TaskIAnswerthequestion:Whatisthetopicsentenceofthisparagraph?TaskIIFinishthechartTimeEvents1642ThecomputerbeganasaAbout1822ThecomputerwasbuiltasanFrom1936onThecomputergrewrapidlybothinandinBythe1940sThecomputerhadgrownSincethe1970sThecomputerhasbeenusedin2.Readthesecondparagraphandfinishthefollowingtwotasks.TaskIAnswerthequestion:Whatisthetopicsentenceofthisparagraph?TaskIChoosethebestanswers.⑴Accordingtothepassage,thecomputerhasgrownsmallermainlybecauseA.itusesgoodmaterialsB.itwastoolargeinthepastitsmemoryhasimprovedalotD.thereislessroomintheearth⑵Whathappenedtothecomputerinthe1960s?Itbecameaslargeasaroom.Itwasgivenafamilyconnectedbyanetwork.Itbegantobeusedintheoffices.Itbegantobeputintospacerockets.Readthethirdparagraphandfinishthefollowingtwotasks.TaskIAnswerthequestion:Whatisthetopicsentenceofthisparagraph?

TaskIITrueorfalse⑴Computerscanbeusedtomakemobilephonesnow.⑵Sincethe1960s,thecomputerhasbeenusedtohelpwithmedicaloperations.⑶Computerscansolvealltheproblemsofhumanbeings.設計意圖：通過分段閱讀使學生學會尋找段落中心句，并找出論據(jù)；了解細節(jié)內容；了解中心句的位置便于學生在閱讀中快速找到中心句，確定段落主題。Step4.FurtherreadingReadthewholepassageagainandfillintheblanks.I(begin)asacalculatingmachinein1642.Withtime(go)by,Ihavebeenmadeclevererand(small).MymemoryhasbecomelargethatIcan'tbelieveit.ButIcan'tforgetthetimeIwassolonelystandingtherebymyself.Untilin1960s,theygavemeafamilyconnectedbyanetwork.SoIwasabletosharemyknowledgeothers.Sincethe1970s,manynewapplications(find)forme.Ihavebecomeveryimportantcommunication,financeandtrade.Anyhow,mygoalistoprovidehumanswithalifehighquality.設計意圖：通過再次閱讀課文，注意文中語法考點，與高考接軌。Step4.DiscussionWhataretheadvantagesanddisadvantagesofusingcomputers?

設計意圖：讓學生討論使用電腦的利與弊，引導