人教版 高中英語 必修二 Unit 3 computers 語言點(diǎn)學(xué)案 含答案

12V重點(diǎn)句子(旨在提供句子結(jié)構(gòu)等所需材料)1?Bythe1940s工hadgrownaslargeasaroom,andIwonderedifIwouldgrowanylarger!到20世紀(jì)40年代，我已經(jīng)長(zhǎng)到一個(gè)大房間那么大，我不知道我會(huì)不會(huì)繼續(xù)長(zhǎng)大。［解釋］1).aslargeas..."有大”，后面常加數(shù)詞.例如：Thisplaygroundisaslargeas500squaremeters．這個(gè)操場(chǎng)有500平方米那么大。2).Iwonderedif..“我不知道(奇怪)是否..”，是一個(gè)常見句式，常用于口語，表示一種委婉或客氣的語氣。例如：Iwonderedifyouwouldmindgivingmeahand.［練習(xí)］中譯英.我也不知道他們能不能準(zhǔn)時(shí)到。.那個(gè)男子的體重比他重一倍。Keys:.Iwonderwhethertheywillarriveontime..Thatmanistwiceasheavyashim.However,thisrealityalsoworriedmydesigners.可是這個(gè)現(xiàn)實(shí)也困擾著我的設(shè)計(jì)者們。［解釋］howeveradv.盡管；盡管如此，可是；仍然。表示轉(zhuǎn)折；可放在句首、句中或句尾，但用逗號(hào)隔開。例如：Imeanttogoabroadlastyear.However,Ichangedmymindlater.我本打算去年出國，但是后來改變了主意。［練習(xí)］中譯英.她仍然在等，盡管沒有任何回音。.他說事情就是那樣，不過他錯(cuò)了。Keys:.Shewaited,however,fornoanswer..Hesaiditwasso,hewasmistaken,however.V詞語辨析(旨在提供完形填空所需材料)symbol/sign/signal/mark均含“標(biāo)志，象征，符號(hào)”之意。symbol指作象征或表達(dá)某種深邃意蘊(yùn)的特殊事物。sign普通用詞，指人們公認(rèn)的事物的記號(hào)，也可指某種情況的征兆。signal指為某一目的而有意發(fā)出的信號(hào)。mark普通用詞，含義廣泛。既可指為便于辨認(rèn)而有意做的標(biāo)記，又可指自然形成的標(biāo)記或有別于其他事物的特征。［應(yīng)用］(1)Redcrossisaforhospital.Aredlightisusuallyaofdanger.Makeawhereyoudon'tunderstand.Aredarkcloudsaofrain?Adove(鴿子)isaforpeace.sign,signal,mark,sign,symblearise/arouse/rise/raisearise是不及物動(dòng)詞，在現(xiàn)代英語中主要用于借喻，指“出現(xiàn)，發(fā)生，產(chǎn)生”。arouse是及物動(dòng)詞，指“喚醒，激起”，后常跟抽象名詞。rise是不及物動(dòng)詞，使用范圍較廣，指“升起，上升，增長(zhǎng)”，也可指“起立，起床，地位升高”等。raise是及物動(dòng)詞，用在句中，后面需跟賓語。一般指“升起，舉起，增加程度、價(jià)格等)；提高(音量)；提出；種植(農(nóng)作物)；養(yǎng)育；撫育(子女)”。[應(yīng)用2](1)Theriverisaftertherain.Hehishandinthehopeofbeingasked.Hisstrangebehaviouroursuspicions.Newproblemseveryday.rising,raised,aroused,arise提示：原形過去式過去分詞v.ingarise(vi.)arosearisenarisingarouse(vt.)arousedarousedarousingrise(vi.)roserisenrisingraise(vt.)raisedraisedraisingpersonal/private/individualpersonal指屬于或關(guān)于某人或某些特定的人，以區(qū)別于其他人。private指屬于私人所有或具有私營(yíng)性質(zhì)，以區(qū)別于集體或公共的，有時(shí)含不公開的意味。individual與集體的相對(duì)，指?jìng)€(gè)別或個(gè)體的?！揪毩?xí)】用上面所提供的辨析詞的適當(dāng)形式填空.Willyoudoitformeasafavour?.Ifyougotoahospital,youmustpay..Wetraveledtogether,buteachboughthisownticket.Keys:1).personal2).private3).individual課文要點(diǎn)1課文詞匯等填空(旨在復(fù)習(xí)本課文中的單詞拼寫和主要詞語等)根據(jù)課文內(nèi)容完成下面語法填空，注意單詞拼寫和詞語用法：OvertimeIhavebeenchangedalot.Icould1(簡(jiǎn)化)difficultsumswhenIbegan2acalculatingmachine.AfterIwasprogrammedbyanoperator,Icould3(logic)produceananswerquickerthananyperson.Atthattimeit4(consider)a5(技術(shù)的)revolution.In1936,Icouldsolvedifficultproblemsasa_6(universe)machine.Fromthenon,mymemoryhasdevelopedsomuch7Ineverforget8Ihavebeentold.Sincethe1970s,manynewapplicationshavebeenfoundforme.Forexample,IhavebeensenttoexploretheMoon.9,mygoalis10(provide)humanswithalifeofhighquality.答案：1.simplify2.as3.logically4.wasconsidered5.technological6.universalthatanything9.Anyhow10.toprovide2課文大意概括(旨在訓(xùn)練用30個(gè)單詞概括大意的能力)閱讀課文，試著用30個(gè)單詞概括課文大意，再比較答案電腦作為課文的敘述者講述了它從一部計(jì)算器發(fā)展成為電腦和手提電腦以及它在各個(gè)領(lǐng)域的運(yùn)用。答案：Thenarrator,acomputer,tellsusaboutitsdevelopmentfromacalculatingmachinetoaPCandalaptopandhowitisusedindifferentfields.3課文佳句背誦與仿寫(旨在培養(yǎng)對(duì)難句的理解和運(yùn)用能力)【課本原句】Astimewentby,Iwasmadesmaller.FirstasaPC(personalcomputer)andthenasalaptop,Ihavebeenusedinofficesandhomessincethe1970s隨著時(shí)間的推移，我被弄得越來越小。自二十世紀(jì)七十年代以來，我一直被用在辦公室和家庭里，先是用作個(gè)人電腦，后來又做成便攜式。［模仿要點(diǎn)］句子結(jié)構(gòu):first...+then...+later【模仿1】畢業(yè)以后，他先是做一名工人，接著做了一個(gè)商店的經(jīng)理后來做了一個(gè)工廠的老板。答案：Aftergraduation,hefirstworkedasaworker,thenasamanagerofastoreandlaterasabossofafactory.【模仿2】從那時(shí)開始，他先在一家車廠工作，然后在一家鋼廠任工程師，當(dāng)其時(shí)那是一家最大的鋼廠，后來又到了一家生產(chǎn)電腦的公司任總裁。答案：Fromthenon,hefirstworkedinacarfactory,thenasanengineerinasteelfactory,whichwasthebiggestoneatthattimeandlateraspresidentofacompanyproducingcomputers.2．【課本原句】Ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperations我還被放在機(jī)器人里面，被用來制作移動(dòng)手機(jī)，并且用來幫助作醫(yī)療手術(shù)。［模仿要點(diǎn)］句子結(jié)構(gòu):aswellas【模仿1】通過上網(wǎng)，人們可以獲得知識(shí)和樂趣。答案：Peoplecangetalotoffunaswellasusefulknowledgethroughthenet【模仿2】隨著經(jīng)濟(jì)的快速發(fā)展，越來越多的家長(zhǎng)能夠負(fù)擔(dān)得起培訓(xùn)課，從中他們的孩子既可以獲得一些技能也可以豐富他們的生活。答案：Withtherapiddevelopmentofeconomy,moreandmoreparentsareabletoaffordtrainingclasses,inwhichtheirchildrencanacquiresomeskillsaswellasenrichtheirlife.自我測(cè)評(píng)?技能備考?單詞拼寫1．Don'tloseheart.（無論如何）,youcantry.rmsorrytosaythatI（徹底地）forgotaboutit.3．Inmostmathsexaminationsseniorhighschoolstudentsareallowedtouse（計(jì)算器）intheexams.Creditcardshavebroughtabouta（革命）inpeople'sspendinghabits.Unfortunately,anewdifficultyhas（出現(xiàn)了）.Anyhow/Anyway,totally,calculators,revolution,arisenWiththedevelopmentoft，moreandmorepracticalmachineshavebeeninvented.Pspeaking,I'mnotinfavouroftheplan.He'sverycleverandofhighi.Atfirst,Ithoughttheseflowerswerereal,buttheyarea.Whichtofteadoyouprefer?technology,Personally，intelligence，artificial，type?單項(xiàng)選擇Whiletherearequiteafewdifferencesintheeducationsystemsinmanycountries,educationisA.usualB.regularC.normalD.universal答案：D解析：句意：許多國家的教育體制有許多不同之處，然而教育卻是普及的。A.通常的；B.定期的，有規(guī)律的，C.正常的，D.普及的，普遍的。Ourschoolisverylarge.，thenumberofthestudents3500.A.Together;isB.Altogether;areC.Inall;areD.Intotal;is答案：D解析：intotal=inall=altogether是“總共，總計(jì)”的意思。thenumberof+n.做主語時(shí)，謂語動(dòng)詞用單數(shù)。IamnotsurewhetherIwillhaveanythingelsetodotomorrow.，_Iwilltryeverypossiblemeanstocometotheparty.A.EventhoughB.AnyhowC.IfsoD.Instead答案：B解析：句意為“我不敢肯定明天我是否有其他的事，但無論如何，我將盡可能來參加這個(gè)聚會(huì)”?！狪thinkheistakinganactivepartinsocialwork.—Iagreewithyou.A.inawayB.onthewayC.bythewayD.intheway答案：A解析：考查介詞短語。inaway“從某種意義上”，合題意。Youmaynotagree,butIthinksheisaverygoodgirl.A.generallyB.trulyC.personallyD.commonly答案：C解析：考查副詞。表示“依個(gè)人而言”用personally.—Whatabeautifulday!—Yes,it'sthatI'dliketotakeawalk.A.suchniceweatherB.soaniceweatherC.suchaniceweatherD.soniceweather答案：A解析：weather是不可數(shù)名詞，故用such＋adj.＋weather。7．Shouldthechance，I'dlovetogoabroad.A．riseB．raiseC．a(chǎn)riseD．a(chǎn)rouse答案：C解析：主語為抽象名詞thechance，故選arise.8．—Whatanoise!Icanhardlystandit.—Itasiftheyarehavingapartynextdoor.A．looksB．soundsC．feelsD．happens答案：B解析：考查Itsoundsasif...“聽起來像……”。9．Theterriblewarlastedeightyears.，wiveslosttheirhusbands,parentslosttheirsons,andchildrenlosttheirfathers.A．AsaresultB．AsaresultofC．InsteadD．However答案：A解析：句子強(qiáng)調(diào)因果關(guān)系，排除C、D項(xiàng)。B項(xiàng)應(yīng)加上賓語，即asaresultofthewar.10．LastsummerItookacourseonpoisonousgases.A．howtodealwithB．whattodealwithC．howtobedealtwithD．whattobedealtwith答案：A解析：考查dealwith的用法。11．Hemindssomuchabouthispositionintheofficethatheanychancetobepromoted.A．watchesoutB．looksupC．pointsoutD．watchesfor答案：D解析：考查短語辨析?！芭瓮⒌却嵘臋C(jī)會(huì)”用watchfor.watchout小心；lookup查找；pointout指出。12．thehelpoftheteacher,thestudentwhowasn'tgoodatmaththedifficultproblemquickly.A．Under;workedoutB．With;workedonC．Under;solvedD．With;solved答案：D解析：solve解決。另外“在某人的幫助下”用withthehelpofsb.來表達(dá)。13．InSeptember2008,China'skeymilestoneinspacetravelwhenZhaiZhigangconductedthefirstspacewalk.A．reachedB．wasreachedC．hasreachedD．hadbeenreached答案：B解析：由句中時(shí)間狀語InSeptember2008可知應(yīng)用過去時(shí)態(tài)。另外，主