（全国版）2020版高考英语一轮复习 Unit 3 Computers教案（含解析）新人教版必修2

1Unit3Computers一、课前基础自查(一)分类记单词——省时高效Ⅰ.阅读单词(知其意)1.calculatorn．计算器2.laptopn.手提电脑3.universaladj.普遍的；通用的；宇宙的4.revolutionn.革命5.artificialadj.人造的；假的6.mathematicaladj.数学的7.designern.设计师8.networkn.网络；网状物9.downloadvt.下载10.virusn.病毒11.naughtyadj.顽皮的；淘气的12.spoilvt.损坏；宠坏Ⅱ.重点单词(写其形)1.calculatevt.计算2.sumn.总数；算术题；金额3.technologyn．工艺；科技；技术4.solvevt.解决；解答5.realityn.真实；事实；现实6.mobileadj.可移动的；机动的7.anyhowadv.(也作anyway)无论如何；即使如此8.goaln.目标；目的；球门；(进球)得分9.happinessn.幸福；快乐10.signalvi.&vt.发信号n.信号11.typen.类型vt.&vi.打字12.arisevi.出现；发生13.charactern.性格；特点14.coachn.教练15.electronicadj.电子的Ⅲ.拓展单词(通其变)1.operatorn．(电脑)操作员；接线员→operatev．操作；经营→operationn．操作；经营2.simplifyvt.简化→simpleadj.简单的3.logicaladj.合逻辑的；合情理的→logicallyadv.合逻辑地；有条理地；逻辑上4.intelligentadj.智能的；聪明的[语境活用]1.Ateamofexplorerswillexplorethevalleyandtheexplorationwilllast10days.(explore)2.Afterthepresidentmadeanofficialannouncement,sheexpressedherpersonalopinion.Personallyspeaking,2→intelligencen．智力；聪明；智能5.totaladj.总的；整个的n.总数；合计→totallyadv.完全地；整个地6.personaladj.私人的；个人的；亲自的→personallyadv.就个人而言；亲自→personalityn．个性；人格；风云人物；名人7.applicationn．应用；用途；申请；申请表→applyv．应用；涉及；申请→applicantn．申请人；求职者8.financen．金融；财经→financialadj.财政的；金融的；资金的9.explorevt.&vi.探索；探测；探究→explorern．探险家；勘探者→explorationn．勘探；探测；探险10.appearancen．外观；外貌；出现→appearvi.出现Iagreedwithwhatshesaid.(person)3.AnyapplicantwhowouldliketoapplytobecomeanassistantinourcompanyshouldsendusanapplicationbeforeDecember10.(apply)4.—Canyousaythatdolphinsaremuchmoreintelligentthanotheranimals？—Well,theyareanimalsofhighintelligenceandtheycancommunicate.(intelligent)5.Therewereabout40peopleatthepartyintotal;_theysanganddancedwithabandon,totallyforgettingthetroublesintheirlives.(total)(二)练中记短语——记牢用活写准记牢语境活用(选用左栏短语填空)1.from_...on从……时起2.in_a_way在某种程度上3.with_the_help_of在……的帮助下4.deal_with处理；安排；对付5.watch_over看守；监视；照管6.provide_...for_...给……提供……7.have_...in_common有……共同之处8.share_...with_...与……分享……9.as_a_result结果10.make_up弥补；编造；打扮；构成1.Youshouldmake_full_use_ofeverypreciousminutetostudy.2.With_the_help_oflocalmedia,hehasalreadyfound32timetwinsfrom13countries,ofwhomthereare17malesand15females.3.I'mgoingtodeliveraspeechabouthowtodeal_withtroubles.4.Theyusespeciallytraineddogstowatch_overtheirsheepatnight.5.Whathesaidatthemeetingwasreasonablein_a_way.6.Therehavebeensomanyconflictsintheworldrecently.As_a_result,_peopleareconcernedabouttheworldpeace.311.after_all毕竟；终究12.make_full_use_of充分利用7.Don'tblamehimforbreakingthatvase;after_allheisstillachild.8.CanIleaveearlythisafternoonandmake_upthetimetomorrow？9.Theyarefriendsandhavemuchin_common,_sotheyarewillingtotalk.4(三)仿写明句式——以用为本教材原句句式解读句式仿写1.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.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。before引导时间状语从句，意为“……之后才……”。虽然飓风已经过去了，但是还要花几个月的时间才能把它造成的破坏清理干净。Althoughthehurricanehasgone,itwillbemonthsbefore_the_damage_is_cleared_up.2.Astimewentby,Iwasmadesmaller.随着时间的流逝，我被做得更小了。as引导时间状语从句，意为“随着”。随着技术的发展和生活水平的提高，互联网已进入寻常百姓家。As_technology_develops_and_life_improves,_theInternethasenteredtheordinarypeople'shomes.3.AndmymemorybecamesolargethatevenIcouldn'tbelieveit！我的存储量变得如此之大，以至于我自己都不能相信！so...that...引导结果状语从句，意为“如此……以至于”。(2016·天津高考书面表达)你们如此善良、体贴，以至于我们希望成为你们的朋友，无论你们在哪儿。Youareso_kind_and_considerate_thatwehopetobefriendswithyounomatterwhereyouare.4.BythetimeIwassixteen,mydreamhadcometrue.在我满十六岁时，我梦想成真了。“by＋过去的时间/从句(过去时)”作状语时，句子/主句谓语一般用过去完成时。到20世纪90年代为止，计算机已经在全世界流行起来了。Bythe1990s,thecomputerhad_been_popularallovertheworld.二、课堂重点深化1．solvevt.解决；解答5[自主体验]单句语法填空①Withmostoftheproblemssolved(solve),Ifeltagreatweighttakenoffmymind.②Itmaytakealongtimetofindasolution(solve)totheproblem.[系统归纳](1)solveproblems解决问题(2)solutionn.解决办法；处理手段a/thesolutiontosth.……的解决方法[重点强化]易错处处防③Withthisproblemsolving,thiskindofmedicineisnowinregularproduction.solving→solved佳句时时写④为了解决这个问题，我和我的朋友一心想要给学校提点建议。In_order_to_solve_the_problem,_I,togetherwithmyfriends,ambentonmakingsomesuggestionstoourschool.2．signalvi.&vt.发信号n.信号[自主体验]句式升级Thebellrang,andsignalledthatschoolwasover.①Thebellrang,which_signalled_that_school_was_over.(非限制性定语从句)②Thebellrang,signalling_that_school_was_over.(分词作状语)[系统归纳](1)signaltosb.todosth.示意某人做某事signal(tosb.)that...示意(某人)……(2)atrafficsignal交通信号sendoutasignal发出信号[重点强化]易错处处防③Shesignalledtheothergirlsthateverythingwasallright.signalled后加to佳句时时写④肢体语言能泄露很多你的情绪，因此，双臂交叠站着传出的信号是你处于防御状态。6Bodylanguagecangiveawayalotaboutyourmood,sostandingwithyourarmsfoldedcan_send_out_a_signalthatyouarebeingdefensive.3．arisevi.(arose,arisen)出现；发生；引起；起身；起床[自主体验]写出下列句中arise的含义①Seeinghismotherreturnhome,theboyarosefromhischairimmediately.起身②Newproblemswillariseoneafteranotherinthefuture.出现③Theyaroseatsunrisetogetanearlystarttothepark.起床④Atbreak,Mr.Connerygotdowntodealingwiththemattersarisingfromhisclass.引起[系统归纳](1)arise为不及物动词，表示“出现；发生”时，主语一般为argument,difficulty,misunderstanding,problem,quarrel,trouble等抽象名词，无被动语态。(2)arisefrom＝ariseoutof由……引起/产生[重点强化]易错处处防⑤Thenumberofroadaccidentsandthedeathsarisenfromthoseaccidentshasincreasedoverthepastyear.arisen→arising佳句时时写⑥众所周知，身体上的原因可以引起情绪或精神上的问题。Asisknowntoall,e