Unit3 期末復(fù)習(xí)知識要點記憶課件-牛津深圳版英語八年級上冊

Unit3Computers知識要點記憶

重點單詞、短語、句子一、重點單詞。1.訂貨；訂購n.order2.顯示器n.monitor3.揚聲器n.speaker4.鍵盤n.keyboard5.鼠標(biāo)n.mouse6.腦n.brain7.速度n.speed8.鐵路系統(tǒng)n.railway9.公司pany10.價格n.price11.總額n.total12.英寸n.inch13.比較pare14.打字v.type15.操縱；控制(機器或系統(tǒng)等)v.control16.依靠v.depend17.計算v.calculate18.操作；控制v.operate19.售賣v.sell20.昂貴的adj.expensive21.極小的；微小的adj.tiny22.受歡迎的adj.popular二、詞匯拓展及詞性轉(zhuǎn)換。1．comparev.比較－comparisonn．比較－[固定搭配]compareAwithB比較A和B2．typev.打字—[其他含義]n.種類－[固定搭配]differenttypesof不同種類的—typewritern.打字機3．controln.&v.控制—controlled過去時及過去分詞—[固定搭配]remotecontrol遙控器4．expensiveadj.昂貴的—[反義詞]cheapadj.便宜的5．tinyadj.極小的—tinier比較級—thetiniest最高級—[反義詞]huge/largeadj.大的6．dependv.依靠—[固定搭配]Itdepends.看情況?！猟ependentadj.依賴的7．calculatev.計算—calculatorn．計算器—calculationn．計算，計算題—calculatingadj.精明的8．operatev.操作—operationn．手術(shù)9．pricen．價格—[固定搭配]Whatisthepriceofsomething?＝Howmuchissomething？某物的價格是多少？10．totaln．總額—[固定搭配]intotal總共—totallyadv.完全地，徹底地11．sellv.出售—sold過去時及過去分詞—sellern．賣家—[反義詞]buyv.買—buyern．買家12．popularadj.受歡迎的—[固定搭配]bepopularwith/amongsb.受……歡迎的—popularityn．普及，流行—populationn.人口，人口數(shù)量三、詞語釋義。1.control＝operatev.控制2.expensive＝dear＝pricyadj.昂貴的3.tiny＝verysmalladj.極小的

4.calculate＝countv.計算5.inaddition＝besides＝what'smorephr.此外

6.beunawareof＝don'trealizephr.沒意識到，未察覺7.company＝firmn.公司8.dependon＝relyonphr.依賴于9.type＝kindn.種類四、重點短語。1.洗衣機washingmachine2.以更快的速度atafasterspeed3.除……以外(還)inaddition4.發(fā)生happento5.上網(wǎng)surftheInternet6.總計；共計grandtotal7.擅長……begoodat…8.沒意識到；未察覺(be)unawareof9.有能力做……；會做……beabletodo10.從事……工作workas11.依靠dependon/bedependenton/relyon12.由……制成bemadeof/from13.去醫(yī)院(看病等)gotothehospital14.就……提一些建議givesomeadviceon15.除了……以外except(for)16.在網(wǎng)上ontheInternet17.停下來去做某事stoptodosth.18.在過去inthepast19.期待；盼望lookforwardto20.在……前面infrontof/inthefrontof21.對……有害bebadfor…22.阻止……做某事stop…fromdoingsth.23.改變某人的生活changeone'slife24.受……歡迎bepopularwith/among五、重點句型。1．在二十世紀(jì)四十年代，第一代計算機比小汽車還大。(inthe1940s)Inthe1940s,thefirstcomputerswerebiggerthancars.2．你也許沒有注意到他的出現(xiàn)。(beunawareof)Maybeyouareunawareofhisappearance./Youmaybeunawareofhisappearance.3．我們不能太依賴父母。(dependon)Wecan'tdependonourparentstoomuch.4．我們能用計算機來做什么？(dowith)Whatcanwedowithcomputers?5．計算機能夠用比我們更快的速度計算。(atafasterspeed)Computerscancalculateatafasterspeedthanwe(do)．Computerscancalculateatafasterspeedthanus.6．也許有一天，計算機做工作能比人類做得更好。(doabetterjob)Maybeonedaycomputerscandoabetterjobthanhumanbeings.7．如果計算機能做我們所有的工作，我們會怎么樣？(happento)Whatwillhappentousifcomputerscandoallourjobs?六、課文回顧。Inthe1940s,thefirstcomputerswerebiggerthancars.Nowtheyarebecomingsmallerandsmaller.Computerscancalculateatafasterspeedandalmostnevergivewronganswers.Wecanalsotypeanddrawthingswiththem.Inaddition,computerscandoalotofimportantjobslikeoperatingrailways,flyingplanesandspaceships,buttheyarenotbetterthanpeoplebecausehumanscanproducenewideas.However,onedaycomputersmaybeabletodoabetterjobthanhumanbeings.Computersmaychangeourlives,butwilltheymakethembetter?七、寫作范文：討論中學(xué)生是否能在學(xué)校使用手機。Arestudentsallowedtobringtheirsmartphonestoschool？Somestudentsthinktheycanusesmartphonesatschool.First,it'sconvenientforthemtocontacttheirparents,teachersorfriends.Second,theycansearchforwhattheyneedwithsmartphones.Forexample,theycanlookupnewwordsandkeepupwiththelatestnews.However,somestudentsdisagree.Theythinkusingsmartphonesatschoolisawasteoftime.Manystudentsspendtoomuchtimeongamesandsocialmedia.Asaresult,theycannotfocusontheirstudy.Besides,usingsmartphonesisharmfultotheireyesight