文本内容:
2019-2020年高中英语Unit3puter第1学时Warmingupandreading学案新人教版必修2〖单元导航〗Letsdoaguessinggame.“WhoamI”Withmeyoucanwatchdifferentprogrammesjustathome.I’mamachinethathasascreenwithmovingpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.Iamamachinewhichmovesveryfastonfourwheels.Youneedalicense执照andmustbeverycarefulwhenyoudriveme.RollsRoyceBenzandBMWaresomefamouskindsofme.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.WhoamIAmachinethatyouusetotalktootherpeopleeveninafar-awayplace.Weareconnectedbywireorradio.Noweachofusoftenhasanumber.WhoamIItisamachinewhichyoucanusetotypeyourhomeworkdrawpicturesplaygameswatchmovieslistentomusicmunicatewithyourfriendsgatherinformation…Itisakindofputerwhichcanbetakenconvenientlylikeanotebook.Discussing:WhatdotheyhaveinmonTVsetCarwashingmachinetelephoneputerlaptopPeriod1:WarmingupandSkimmingStep
1.Pr-reading
1.Makeasurveyon“whatdoyouuseputerfor”amongyourclassmatesandwritedowntheresults.__________________________________________________________________________________________________________________________________________Step
21.Findouttheanswer‘WhoamI_____________________________________________________________
2.What’sthemainideaofthetext_____________________________________________________________Step3Fast-reading1FinishEx.1onpage191642:_____________________________________1822:TheAnalyticalMachinewasmadebyCharlesBabbage.____:_______________________________1940s:______________________________________:Thefirstfamilyofputerswasconnectedtoeachother.1970s:_________________________________Now:_____________________________________Step
4.ReadthepassageandfindoutthetopicsentenceofeachparagraghParagraph1Paragraph2Paragraph3Step
5.DebateTopicTheInternetAdvantages:Disadvantages:Step
7.Homework:Reviewthepassage.Findoutthenewwordsanddifficultexpressions.〖学习反思〗KEY:Step
1.略Step
2.
1.puter2ThedevelopmentanduseofputersStep3:1642Theputerbeganasacalculatingmachine.1822TheAnalyticalMachinewasmadebyCharlesBabbage.1936AlanTuringwroteabooktodescribehowputerscouldbemadetowork.1940sputershadgrownaslargeasaroom.1960sThefirstfamilyofputerswasconnectedtoeachother1970sputerswereusedinofficesandhomes.Nowputersconnectpeopleallovertheworldtogether.Step4:。