高中英语必修2Unit3Computers课时教案(人教新

1课时教案授课时间：第周年月日课题Unit3Computers教学目标Teachingaim:gooverthisunittomastertheusageofwords;phrasesandsentencespatternsofthisunit.教学重点Importantpoints:Grammarfilling教学难点Difficultpoints:Basicwriting教学方法Summary；Exercises；Consolidation教具BookII；Blackboard；PPT；教学时数ThreePeriods:(twoperiodsforkeypoints,oneperiodforexercise)教学过程Teachingsteps:Step1Wordstudy一、单词拼写根据词性和词义写出下列单词。1.____________vt.计算2.____________vt.简化3.____________n.接线员4.____________adv.合逻辑的5.____________n.科技6.____________n.革命7.____________adj.人造的8.____________n.智力9_____________vt.解决10.___________adv.亲自11.____________n.应用12.____________n.金融13.____________v.探索14.____________adv.无论如何15.____________n.目标16.____________n.信号17.____________n.类型18.____________vi.出现，19.____________adj.电子的，20.____________n.外貌2教学过程二、单词运用根据句子的结构和意义，在空格处填入一个恰当的单词，或者用括号中所给的适当形式填空。1.Attheendofaletteryoushouldwrite“Yours_______”andyourname.2.Withthedevelopmentofscienceand___________,peoplewillliveahappierlife.3.IQ(智商)standsfor___________quality.4.Thecaptainhadan___________leg,madeofwood.5.Englishisa_____________language,sowehavetolearnit.6.Ana__________isacalculatingtoolfordealingwithfiguresinancientChina.7.OneLaptopperChildisanon-profitassociationdevotedtoresearchtodevelopa＄100l_________foreverychildintheworld.8.Duringthecourse,studentswilldeveloptheir______________(analysis)skills.9.The______________(develop)oftheinformationtechnologywasthegreatestadvanceofthe20thcentury.10.Wewillsoonarriveatthepointwherewecanfindalltheknowledgeofhumankindonacomputer_____________(网络).三、词语派生用括号中所给词的适当形式填空。1.Tryto_________(simple)yourexplanationforthestudentstohelpthemunderstandbetter.2.Ifyouwanttoknowaboutthehotel,youcancallthe__________(operate)tofindouttheinformation.3.Theboyisverycleverandheshowshigh_____________(intelligent)instudy.4.________(real)isnotthewayyouwishthingstobebutthewaytheyactuallyare.5.Bobis_________(total)differentfromhisfather,whoisverytall.6.Theyagreedtoacceptmy____________(apply)forjoiningtheirteam.7.Hissuccessinbusinessbrought____________(happy)tohisparents.8.Wewillmakea___________(person)visittothestudent’shome.9.Hisspeechis_________(logical)organizedandsoundsgreat.10.Idisagreethattheageof________________(technology)revolutionhasended.Step2Phrasesreviewing四、词组互译将下列词组或短语译成中文或英文。1.from…on_____________________2.asaresult______________________3.so…that_________________________4.inaway________________________5.withthehelpof___________________6.dealwith_________________________7.watchover_______________________8.astimegoesby___________________9.in/duringthe1970s________________10.afterall_________________________11._______________________公有；共用12._______________________技术革命13.______________处理；安排；对付14.______________________解决问题15.______________________人工智能16.______________走过；过去17.______________________依某人看来18.______________采取行动19.______________________与……信息共享20.______________弥补、组成3教学过程五、词组运用词组填空根据句子提供的语境，从第四大题中选一个适当的词组并用其适当的形式填空。1.Theyhadalot____________andbecamegoodfriendsverysoon.2.Howareyougoingto___________suchproblems?3.Don’tblamehim._____________,heisachild.翻译填空根据汉语意思，从上述短语中选一个恰当的词组完成句子。4.Hesoon___________thelessonshemissed.5.Whydidn’tyou_______________toputoutthefire?6.Itisnotrarein____________(九十年代)thatpeoplein____________(五十多岁)aregoingtouniversityforfurthereducation.句子翻译从上述短语中选择恰当的短语翻译下列句子。7．她从那时起就知道自己会获胜。8．结果，他只得离开。9．在他父母的帮助下，他很快完成了作业。10．在春天，我们通常将钟表向前拨一小时，以充分利用日光。Step3Practice六、语法填空阅读下列短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。eBayistheworld’sonlinemarketplace,31enablesindividualsandsmallBusinesstotradeonalocal,nationalandinternationalbasis32(found)inSeptember1995,eBayprovidesaplatform(平台)33thesaleofgoodsandservicestomorethan135millionregisteredmembersfromallaround34world.Globally,eBayhasmorethan44millionitems(项目)listedforsaleatanyonetime.Andanadditional4millionitems35(add)daily.Therearemorethan50,000kinds,includingcomputers,art,toys,stamps,magazinesmusic,glass,electronics,jewelry,e-Booksandsoon.Electronic(电子的)booksore-Booksaretextsdesignedtobereadonly36acomputerscreen.Thegreatestadvantageofe-Booksisthatyoucangettherelevantinformationatthepressofabutton.Buyinge-BooksoneBayiseasy.Youcanordere-Booksonlineandtheywillbedelivered(交付)electronicallytoyourcomputer.Soyoucan37___moneywithnoshopping,notaxes,andthelowestprices.Youcouldvisite-BookMallthathastheworld’slargest38________(choose)ofqualitye–Book.OrgotoGemstare-Booksthatgiveanew39(mean)totheterm“lightreading”.Theyhavepowerfulelectronicfeaturessuch40abuilt-indictionary,worldsearchandbookmarks.4七、基础写作用括号中所给词翻译下列句子，然后将这些句子联成一篇5句话的连贯的短文。1.随着岁月的流逝，计算机在我们的日常生活中变得越来越重要。(as,goby,moreandmore,inourdailylife)2.我们利用计算机查找我们所需要的资料；从某种意义上说，计算机是我们的好帮手。(makeuseof,information,inaway)3.巧板学生沉迷于网络游戏，这对身体健康有害。(fallinlove,beharmfulto)4.依我来看，计算机有优点，也有缺点。(inone’sopinion,advantage,disadvantage)5.家长应该看护子女，如何用好计算机。(watchover,howtouse)OnepossibleversionAstimegoesby,computerismoreandmoreimportantinourdailylife.Wecanmakeuseofittofindoutinformationweneed.Inaway,computerisourgoodhelper.However,studentsfallinlovewithgamesintheInternet,itisharmfultotheirhealt