高中英语 Unit3 第一学时Reading and Comprehension课件 新人教版必修2.ppt

第一学时readingandcomprehension,computers,1whatchangeshavecomputersandtheinternetbroughttoschool?doyoulikeallthesechanges?,computerandtheinternethelpbusyparentscontactteachersbyemail.teachersmayuseciainclassandmark,typeandanalyzestudentspaper.bothteachersandstudentscanlookupteachingandlearningmaterialsontheinternet.theymayplaygames,listentomusic,watchmovies,etctorelaxthemselves.iliketheconveniencebroughtbythecomputerandtheinternet.butweshouldusethemwithcare.forexample,dontmakecyberfriendstooeasily,andplayingcomputergamestoomuchaffectstudies.,2howcanwemakeuseoftheinternettoimproveourenglish?,firsttherearemanywebsitesontheinternetinenglishthatwillhelpusincreaseourvocabularyandimproveourlistening,reading,speakingandwriting.second,therearemanyenglishfilmsontheinternetthatwillenhanceourinterestoflearningandhelpusappreciatetheenglishlanguage.third,wecantalkwithfriends,classmates,teachersorforeignersbyenglishemailthatcanmakeususeenglishmore.,task1,仔细阅读课文whoami？写出文章的段落大意。,thememoryofthecalculatingmachinehasimprovedrapidlyandithasdevelopedascomputerswhicharewidelyusedathome,incommunication,finance,scienceandtechnology,medicineandtrade.,task2,仔细阅读whoami？选择正确答案。1inthepassage“i”referto_.()aasonofalanturningbamachinewhichissimplemindedca“universalmachine”whichcansolveanymathematicalproblemdapersonwhobuiltananalyticalmachine,c,2realfatherofthecomputerwas_.()acharlesbabbagebalanturingcafrenchmandnotmentionedinthetext3_enabledthecomputertobecomesmallerandbeusedinofficesandhomes.()atheuseoftubesbtheimprovementofitsmemoryctheartificialintelligencedthebookwrittenbyalanturing,b,b,4whichofthefollowingstatementsisnottrue?()atheanalyticalmachinewasmadebycharlesbabbageinthe18thcentury.bthecomputerhadgrownverylargebythe1940s.ccomputerswereconnectedtomakeanetworkinearly1960s.dcomputersbegantobeusedinofficesandhomesinthe1970s.,a,5thepassagemainlytellsus_.()awho“i”ambinwhatfieldscomputersareusedcthechangesinthesizeandbrainpowerofthecomputerdthehistoryanddevelopmentofcomputers,d,task3,再次阅读whoami？完成下列时间表。ashorthistoryofthedevelopmentofcomputers.1642：_1822：_1936：_,1940s：_1960s：_1970s：_now：_,1642：thecomputerbeganasacalculatingmachine.1822：theanalyticalmachinewasmadebycharlesbabbage.1936：thecomputergrewrapidlybothinsizeandinbrainpower.1940s：thecomputerhadgrownaslargeasaroom.1960s：thefirstfamilyofcomputerswasconnectedtoeachother.1970s：computerswereusedinofficesandhomes.now：computersconnectpeopleallovertheworldtogether.,task4,根据课文whoami？在下文空格中填上恰当的词语，使文章连贯完整。ibeganonlyasacalculatingmachineinfrancein1642.iwasdevelopingslowlyin_1_followingyears_2_in1822iwasbuiltasananalyticalmachinebycharlesbabbage._3_(program)byanoperatorwhousedcardswithholes，icould“think”logicallyandproduceananswerquickerthananyperson，_4_wasconsideredatechnologicalrevolutionatthattimeandthestartofmy“artificialintelligence”in1936alanturingwroteabook_5_howicouldbemadetoworkasa“universalmachine”tosolvedifficultmathematicalproblems.,fromthenon，igrewrapidly_6_insizeandinbrainpower.bythe1940sihadgrownaslargeasaroom.astimewentby，withthe_7_(improve)ofmymemory，iwasmadesmallerandsmaller.intheearly1960sihadthefirstfamilyconnectedbyanetwork，_8_iwasabletosharemyknowledgewithothersthroughtheworldwideweb.sincethe1970s，ihavebeenusedinofficesandhomes，andmanynewapplicationshavebeenfoundfor_9_.ihavebecomeveryimportantincommunication，financeandmany_10_fields.,1the2.until3.programmed4.which5.about6.both7.improvement8.so9.me10.other,一、请将课文whoami翻译成汉语，然后对照“译文助读”自主勘误。译文助读：我是谁？经过一段时间我已经被改变了很多。1642年我在法国诞生时是一台计算机器。尽管当时我还年轻，但是我能简化一些复杂的数学题。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。在操作员用穿卡孔为我设计程序后，我能够进行逻辑“思考”，并且能够比任何人更快地算出答案。那时这被当作是一次技术革命，也是我“人工智能”的开始。在1936年，我真正的父亲艾伦图灵写了一本书，讲述了怎样使我成为一台“通用机器”来解决任何数学难题。,从那时起，我在体积和脑容量方面迅速成长。到二十世纪四十年代，我已经长得像一间屋子那么大，我不知道是否还会长得更大。但是，这个现实也使得我的设计者很担心。随着时间的推移，我被弄得越来越小。自二十世纪七十年代以来，我一直被用在办公室和家庭里，先是用作个人电脑，后来又做成便携式。,这些变化只有随着我的存储能力的不断提高才能成为可能。最初是被存储到电子管中，以后是晶体管上，后来是非常小的芯片上。因此，我已经完全改变了我的形状。随着我年龄越来越大，我也变得越来越小。随着时间的推移，我的记忆能力发展得如此之快，就像一头大象一样，从来不会忘记告诉我的任何事情！我的存储容量变得如此巨大，连我自己都不能相信！但是我总是孤孤单单地站在那里，直到二十世纪六十年代初，人们才给了我一个用网络联成的家庭。我能够通过万维网和其他人分享我的知识。,从二十世纪七十年代起，我又被开发出了很多新的用途。我在通讯、金融和商业领域变得非常重要。我还被放在机器人里面，被用来制作移动手机，并且用来帮助作医疗手术。我还被放置在航空火箭里去探测月球和火星。不管怎样，我的目标是给人类提供高质量的生活。现在我充满了幸福感，因为我是人类忠实的朋友并时时给他们提供帮助。,二、将下列单词或词组译成英语，然后参阅unit3的词汇表自主勘误。1.计算v_2.解决，解答v._3.探索，探测v_4.信号，发信号n.&v_5.目标，目的，球门，得分n._6.无论如何，即便如此adv._7.类型，打字n.&v_,1.calculate2.solve3.explore4.signal5.goal6.anyhow7.type,8.出现，发生v_9.电子的adj._10.侄女，外甥女n_11.看守，监护_12.处理，安排，对付_13.结果_14.在某种程度上_15.在的帮助下_16.从时起_,8.arise9.electronic10.niece11.watchover12.dealwith13.asaresult14.inaway15.withthehelpof16.from.on,三、佳句背诵1_，iwasmadesmaller.随着时间的推移，我被弄得越来越小。2andmymemorybecame_large_evenicouldntbelieveit!我的存储容量变得如此