全国版2025版高考英语一轮复习Unit3Computers教案含解析新人教版必修2

PAGEPAGE1Unit3Computers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；调皮的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.华蜜；欢乐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.简洁的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；聪慧的→intelligencen．智力；聪慧；智能5.totaladj.总的；完全的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．特性；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.探究；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[语境活用]1.Ateamofexplorerswillexplorethevalleyandtheexplorationwilllast10days.(explore)2.Afterthepresidentmadeanofficialannouncement,sheexpressedherpersonalopinion.Personallyspeaking,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；支配；应付5.watch_over看管；监视；照管6.provide_...for_...给……供应……7.have_...in_common有……共同之处8.share_...with_...与……共享……9.as_a_result结果10.make_up弥补；编造；装扮；构成11.after_all终归；终究12.make_full_use_of充分利用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.7.Don'tblamehimforbreakingthatvase;after_allheisstillachild.8.CanIleaveearlythisafternoonandmake_upthetimetomorrow？9.Theyarefriendsandhavemuchin_common,_sotheyarewillingtotalk.

(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.随着时间的消逝，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信任！so...that...引导结果状语从句，意为“如此……以至于”。(2024·天津高考书面表达)你们如此和善、爱护，以至于我们希望成为你们的挚友，无论你们在哪儿。Youareso_kind_and_considerate_thatwehopetobefriendswithyounomatterwhereyouare.4.BythetimeIwassixteen,mydreamhadcometrue.在我满十六岁时，我幻想成真了。“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年头为止，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[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. 解决方法；处理手段a/thesolutiontosth. ……的解决方法[重点强化]易错到处防③Withthisproblemsolving,thiskindofmedicineisnowinregularproduction.solving→solved佳句时时写④为了解决这个问题，我和我的挚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]易错到处防③Shesignalledtheothergirlsthateverythingwasallright.signalled后加to佳句时时写④肢体语言能泄露许多你的心情，因此，双臂交叠站着传出的信号是你处于防卫状态。Bodylanguagecangiveawayalotaboutyourmood,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]易错到处防⑤Thenumberofroadaccidentsandthedeathsarisenfromthoseaccidentshasincreasedoverthepastyear.arisen→arising佳句时时写⑥众所周知，身体上的缘由可以引起心情或精神上的问题。Asisknowntoall,emotionalormentalproblemscan_arise_from_a_physical_cause.[联想发散]原形词性词义过去式过去分词现在分词arousevt.唤醒；激起arousedarousedarousingrisevi.升起；起身；增长；上升roserisenrisingraisevt.举起；抚养；提高；饲养raisedraisedraising1．asaresult结果[自主体验]句型转换Hewastoocareless;asaresult,hefailedtheEnglishtest.①HefailedtheEnglishtestas_a_result_ofcarelessness.②Hiscarelessnessresulted_inhisfailureintheEnglishtest.③HisfailureintheEnglishtestresulted_fromhiscarelessness.[系统归纳](1)asaresultof 因为；由于(2)resultin 导致；造成resultfrom 由……产生；因……引起[重点强化]易错到处防④Wehelpedeachotherinstudiesandinaresultwebecamegoodfriends.其次个in→as佳句时时写⑤(2024·北京高考书面表达)郑和在海上航行了28年，到过30多个国家。因此，中国经济发展得更快，被世界上更多的人所相识。ZhengHespent28yearsontheoceanjourneysandwenttomorethanthirtycountries.As_a_result,_China'seconomydevelopedfasterandwasknownbymorepeopleintheworld.2．inaway在某种程度上；从某一角度看[系统归纳]alltheway 一路上；自始至终；完全地bytheway 顺便说一下innoway 一点也不；决不(位于句首时，句子应运用部 分倒装)inthisway 用这种方法intheway 挡道；碍事ontheway 在途中[重点强化]用法条条清(选用上述短语填空)①In_a_way,_thecomputerplaysamoreandmoreimportantroleinourlifeandwork.②MrsSmithfindsithardtoclearupthemess,asherchildrenarealwaysin_the_waywhenevershetriesto.③Hedecidedthathewoulddriveall_the_wayhomeinsteadofputtingupatahotelforthenight.佳句时时写④面对困难时，你决不应当失去信念。Innowayshould_you_lose_heartwhenyouarefacedwithdifficulties.⑤只有用这种方式他们才能独立成长、真正胜利。Only_in_this_way_can_they_grow_uptobeindependentandbecometrulysuccessful.3．dealwith处理；支配；应付；论及；涉及；与……打交道；与……做买卖[自主体验]写出下列句中dealwith的含义①Asachild,heneverlefthisparents,sohedidn'tgetusedtodealingwitheverythinginschoolindependently.处理②Hisarticledealswithmanyissueswearegreatlyconcernedabout.论及；涉及③Hisworkexperienceequippedhimtodealwithallkindsofpeople.与……打交道[系统归纳](1)dowithsth. 处理某事(2)dealin 经营makeadeal 成交；达成交易[重点强化]用法条条清(dealwith/dealin/dowith)Idon'tknowhowto④deal_withtheman⑤dealing_insecond­handcars.Canyoutellmewhatto⑥do_withmyoldcar?佳句时时写⑦(2015·浙江高考书面表达)对于组织班级活动我们或许有不同的观点，我们或许有不同的方法来处理这一状况。Wemayhavedifferentopinionsinorganizingclassactivitiesandwemayhavevariouswaysto_deal_with_such_a_situation.[名师指津]dealwith表示“处理”时，常与疑问词how连用；dowith表示“处理”时，常与疑问词what连用。4．as引导状语从句[教材原句]Astimewentby,Iwasmadesmaller.[自主体验]①Astimewenton/by,hecontentedhimselfwithasimplelife.＝With_time_going_on/by,_hecontentedhimselfwithasimplelife.随着时间的消逝，他满意于过简朴的生活。②IgotcloseenoughtohearthemspeakingChinese,andIsaid“NiHao”，justas_I_might_do_in_China.我离他们足够近能听见他们正在说汉语，并且我像在中国可能做的那样说了声“你好”。③As_it_was_getting_dark,_Iturnedaroundtostartforhome.因为要天黑了，于是我掉头回家。④Childas_he_is,_heknowstohelpothers.他虽是个孩子，却知道帮助别人。[归纳点拨]用法规则as作为连词的用法主要有：(1)“当……时候；一面……一面……；随着”，引导时间状语从句。(2)“根据；犹如”，引导方式状语从句。(3)“因为；既然”，引导缘由状语从句。(4)“尽管”，引导让步状语从句，常用倒装语序，可与though互换。留意事项with是介词，意为“随着”，后接名词或代词等构成with短语或with复合结构。[佳句背诵]①(精彩开头句)(2024·全国卷Ⅰ书面表达)Asthesummerbreakisapproaching,Iwillbefreeforalmostthreemonths.②(增分要点句)Ithinkyoulookgreatasyouare,andyou'reawonderfulperson.5．so/such...that...引导结果状语从句[教材原句]AndmymemorybecamesolargethatevenIcouldn'tbelieveit![自主体验]①Iwasalittlenervousatfirst,buteveryonewasso_nice_and_friendly_thatIsoonstoppedworrying.起初我有些惊慌，但全部成员都那么亲切、友好，我很快就不担忧了。②Ascanbeseenfromthepicture,aboyisburdenedwithsuch_heavy_homework_thatitseemsasifhecanhardlybearitanymore.正如图画上所看到的一样，一个男孩肩负着那么沉重的作业以至于他看上去似乎再也承受不住了。[归纳点拨]用法规则(1)so...that...“如此……以至于……”，引导结果状语从句。其句型基本结构：eq\b\lc\{\rc\(\a\vs4\al\co1(so＋adj./adv.＋that...,so＋adj.＋an＋单数名词＋that...,so＋many/much/few/little＋名词＋that...))(2)such...that...“如此……以至于……”，引导结果状语从句。其句型基本结构：eq\b\lc\{\rc\(\a\vs4\al\co1(such＋adj.＋n.不行数名词＋that...,such＋adj.＋n.可数名词复数＋that...,such＋a/an＋adj.＋n.可数名词单数＋that...,＝so＋adj.＋a/an＋n.可数名词单数＋that...))留意事项当so＋形容词/副词及such...放在句首时，主句要用部分倒装。例如：Sofastdoesherunthatheisfaraheadofothers.[佳句背诵]①(增分要点句)(2024·江苏高考书面表达)Everyoneisfacedwithsuchwonderfulgoodseverydaythattheyfindtheyaredifficulttochoosefrom.②(增分要点句)(2024·北京高考书面表达)SofastisBeijingdevelopingthatyoucanneverimaginewhatitwillbelikenextyear.本单元语篇话题与新课程主题语境“人与社会”中的“科学技术”子话题相对应一、话题语素积累多一点子话题——科学技术(一)浅易词汇温一温①organize ②activity ③waste ④valuable⑤electricity ⑥material ⑦exist ⑧experiment⑨foresee ⑩function ⑪network ⑫online⑬hopeful ⑭expert ⑮Internet ⑯machine(二)生疏词汇记一记①analysev． 分析②annualadj. 每年的；年度的③breakthroughn. 重大进展；突破④broadadj. 宽的；宽大的⑤compassn. 指南针⑥downloadvt. 下载⑦drawbackn. 缺点；不利条件⑧fundamentaladj. 非常重大的；根本的⑨guaranteevt.&n. 保证；担保⑩impactn. 影响；冲击⑪patentn. 专利权；专利证书⑫conveniencen. 便利；便利⑬creativeadj. 创建性的⑭disadvantagen. 不利条件；弱点；劣势；短处(三)常用词块忆一忆①nomorethan仅仅 ②takepleasurein以……为乐③facetoface面对面 ④participatein参与⑤computergames电脑嬉戏 ⑥fullofviolence充溢暴力(四)写作佳句背一背①Withthedevelopmentofscienceandtechnology,moreandmorescientificinventionsarebeingmade,whichbringgreatconveniencetoourdailylife.②AcellphonecanmakemekeepintouchwithmyfriendsandfamilywhiletheInternetcanprovidemewithalmostalltheinformation.③Ifweknowlittleabouttheuniverse,howcanweknowourearthanditschangesbetter?④WeChatcanprovideaplatformtoshowourtalentandreleaseourpressure,thusmakingitmoreandmorepopularwithhighschoolstudents.二、话题书面表达亮一点eq\a\vs4\al([题目要求])假定你是李萍，你的美国笔友杰克最近沉迷于电脑嬉戏，造成许多危害。请你给他写一封书信，劝告他戒掉这个不良习惯，并提出建议。内容包括：1．奢侈了本该学习的时间；2．对身心造成危害；3．你的建议。留意：1.词数100左右；2．可适当增加细微环节，以使行文连贯；3．开头和结尾已给出，不计入总词数。DearJack，Hearingthatyouareaddictedtoplayingcomputergames,Ifeltveryworried.Yours，LiPing[写作4步走]第一步：句写对——给词写句eq\a\vs4\al(用方框内的词汇翻译句子)takeexercise,participatein,activity,waste,valuable,playgames,doharmto,health,fullofviolence,breakawayfrom1．它会使你奢侈太多珍贵的时间。It_will_make_you_waste_too_much_valuable_time.2．长时间玩嬉戏会损害你的健康。Playing_games_for_a_long_time_will_do_harm_to_your_health.3．一些嬉戏充溢暴力。Some_games_are_full_of_violence.4．我剧烈希望你能摆脱电脑嬉戏。越早越好。I_strongly_hope_that_you_can_break_away_from_computer_games.The_earlier,_the_better.5．你可以多读好书，多做运动或参与一些社会活动。You_can_read_more_good_books,_take_more_exercise_or_participate_in_some_social_activities.其次步：量写够——语句扩充6．句1增加定语从句“这些时间应当花在学习或其他有意义的事情上”。It_will_make_you_waste_too_much_valuable_time_which_should_be_spent_on_your_study_or_other_meaningful_things.7．句2增加介词短语“尤其是对你的眼睛”。Playing_games_for_a_long_time_will_do_harm_to_your_health,_especially_to_your_eyes.8．句3增加并列句“这将对你的心理健康有害”。Some_games_are_full_of_violence,_and_this_will_be_harmful_to_your_mental_health.9．句5增加目的状语“为了过上有意义的生活”和“开阔你的视野”。In_order_to_live_a_meaningful_life,_you_can_read_more_good_books,_take_more_exercise_or_participate_in_some_social_activities_to_expand_your_horizons.第三步：语写美——词句升格用定语从句改写句8。Some_games_are_full_of_violence,_which_will_be_harmful_to_your_mental_health.第四步：篇连顺——连接成文写作主体开头可用“Althoughit'sbelievedthatcomputergamesareinteresting，yetifyouabusethem，theywillbeharmfulinmanyways.”进行概述。写详细危害可用tobeginwith，inaddition，worsestill，therefore作好连接过渡。最终用Lookingforwardtoyourgoodnews.表达殷切希望。DearJack，Hearingthatyouareaddictedtoplayingcomputergames,Ifeltveryworried.Although_it's_believed_that_computer_games_are_interesting,_yet_if_you_abuse_them,_they_will_be_harmful_in_many_ways.To_begin_with,_it_will_make_you_waste_too_much_valuable_time_which_should_be_spent_on_your_study_or_other_meaningful_things.In_addition,_playing_games_for_a_long_time_will_do_harm_to_your_health,_especially_to_your_eyes.Worse_still,_some_games_are_full_of_violence,_which_will_be_harmful_to_your_mental_health.Therefore,_I_strongly_hope_that_you_can_break_away_from_it.The_earlier,_the_better.In_order_to_live_a_meaningful_life,_you_can_read_more_good_books,_take_more_exercise_or_participate_in_some_social_activities_to_expand_your_horizons.Looking_forward_to_your_good_news.Yours，LiPing一、复现单元考点——增加备考信念Ⅰ.高考中的语法填空1．(2015·北京高考)Thefactthatcollegestudentsarefinancially(finance)dependentontheirparentsisnothingnew.2．(2015·江苏高考)Whenheselectsnewsoftheotherkind,heusuallywithdrawsfromtheworldofthreateningreality(real)towardthedreamworld.3．(2014·广东高考)Eventually,however,Iwonthesupportofmyfamily,andIsentinallthepaperworkneededforapplication(apply)．4．(2013·北京高考)Ifyouarenottotally(total)satisfied,returnitatourexpenseandyourmoneywillbegivenbacktoyou.5．(2013·广东高考)Somepeoplearebornintotherightfamilywhileothersarebornwithgreatintelligence(intelligent)．6．(2013·天津高考)Whenaskedabouthappiness(happy),weusuallythinkofsomethingextraordinary.7．(2012·陕西高考)Justaspeopleconveymessagesaboutthemselveswiththeirappearances(appear),sodocompanies.Ⅱ.高考中的完形填空(选用total,goal,dealwith填空)1．(2014·福建高考完形填空)EachyearIwouldaskmyfatherifIcouldskiptherecital“justthisonce”．Andeachyearhe'dshakehishead,muttering(嘀咕)somethingaboutbuildingself­confidenceandworkingtowardsa__39__.goal2．(2014·湖南高考完形填空)Besides,throughironingI'velearnedthemethodforsolvingeventhemosttroublesomeproblems.“__47__wrinklesoneatatime，”asMommighthavesaid,“andbeforelongeverythingwillgetironedout.”Deal_with3．(2010·陕西高考完形填空)Onmywayhomeattheendoftheday,Isawthebuskeragainandhewaspackingup.Iwatchedhimpickupthehatandwalktoacafecounter.Therehepouredthe__43__contentsintoatincollectingforanearthquakefund­raising(捐献)event.Hewasbuskingforcharity(慈善)！total二、复现话题词汇——提高阅读准度新高考下的命题新视角：科学技术的发展正在影响着你我的生活，我们拿出智能手机，连上免费WiFi，打开淘宝、京东一键购物，打开微信、QQ与好友闲聊……这些都是科学技术对人们生活的贡献。该话题也是高考常考话题。平常多关注前沿科技的最新发展与创新，做科技的小主子。[话题感悟]学习目标eq\a\vs4\al(1)——语篇复现词汇，活学活用记忆更深(加蓝词汇为本单元话题词汇，读文时请揣摩其用法)[1]Todayjustastechnologychangedthefaceofindustry,farmshaveundergonean“agriculturalrevolution”．Onthefarmoftoday,machinesprovidealmostallthepower.[2]Oneofthemostimportantbenefitswillbethefarmcomputer.Afewforward­lookingfarmersarealreadyusingcomputerstohelpthemruntheirfarmsmoreefficiently.Thecomputershelpthemkeepmoreaccuraterecordssotheycanmakebetterdecisionsonwhatcropstoplant,howmuchlivestocktobuy,whentoselltheirproducts,andhowmuchprofittheycanexpect.Manycomputercompanieshavebeendevelopingspecialcomputerprogramsjustforfarmers.Programsarebeingwrittenforhogproducers,grainfarmers,potatofarmers,anddairyfarmers.Inthefuture,farmerswillbeabletobuycomputerprogramsmadetotheirneeds.Becauseofthegrowingimportanceofcomputersonthefarm,studentsatagriculturalcollegesarerequiredtotakecomputerclassesinadditiontotheirnormalagriculturalcourses.Therecanbenodoubtthatfarmerswillrelyoncomputersevenmoreinthefuture.Whiletheold­timefarmdependedonhorsepower,andmodernfarmsdependonmachinepower,farmsofthefuturewilldependoncomputerpower.[3]Anothertechnologicaladvancewhichisstillintheexperimentalstageistherobot,areal“mechanizedhiredhand”thatwillbeabletomoveand,insomeways,thinklikeahumanbeing.Agriculturalengineersbelievethatcomputer­aidedrobotswillmakesurprisingchangesinfarmingbeforetheendofthecentury.Unlikefarmersofthepresent,farmersofthefuturewillfindthatmanyday­to­daytaskswillbedoneforthem.Scientistsarenowdevelopingrobotsthatwillbeabletoshear(剪)sheep,drivetractors,andharvestfruit,evencomplexjobswillbedonebyrobots.Forexample,inordertomilktheircows,farmersmustfirstdrivethemintothebarn,thenconnectthemtothemilkingmachines,watchthemachines,anddisconnectthemwhentheyarefinished.Inthefuture,thiswillallbedonebyrobots.Inaddition,whenthemilkingiscompleted,