unit3computers重点词汇

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1、Unit3Computers1.calculatevt.(1)计算，核算e.g.Thecommitteecalculatedthecostsverycarefully.(2)估计e.g.Icalculatewhatitwillcost.(3)[美][口]以为；认为e.g.Icalculateallofthemwillcomehere.(4)打算或计划做某事e.g.Thisadvertisementiscalculatedtoattracttheattentionofchildren.Thelosshasnotyetbeen____accurately,butitisb

2、elievedtobewellbeyondahundredmilliondollars.A.calculatedB.considerC.completedD.controlled2.comparev.&n.(1)比较，对比compareAwithB把A与B相比较compareAtoB把A比作B(2)vi.与……类似、相似comparewith/tosb./sth.比起某人、某物，与某人、某物相比e.g.Thisschoolcompareswiththebestinthecountry.(3)独一无二的东西，举世无双e.g.adiamondbeyondcompareco

3、mparenoteswithsb.与某人交换看法（或意见等）3.sumn.&v.(1)n.[C]总数，总和e.g.Thesumoftwoandfiveisseven.(2)n.[C]金额，钱数e.g.Itwillcostanenormoussumtobuildthestadium.(3)n.(pl.)算术题e.g.TomisbetteratsumsthanIam.(4)vt.&vi.共计e.g.sumupthefiguresinsum总而言之sumup总结，概括4.before(1)在……以前e.g.HehadleftbeforeIarrived.(2)……之后才……

4、常用结构：Itwillbe+时间+before+从句多久之后才……Itwillbotbe+时间+before+从句没过多久就会……e.g.Itwillbethreeyearsbeforewemeetagain.(3)（不久）就；还没来得及……就……常见结构：Itwas(wasn’t)+时间+before+从句e.g.Itwasn’tlongbeforehereturnedfromabroad.5.solve解答；解决辨析：易混词辨析例句resolve表示决心；解决困难；分解等。Theconflictwasresolved.solve主要表示解答难题等。Hehassol

5、vedalltheproblems.辨析：易混词辨析例句solve“解决”，侧重的是给出一个答案。solveamystery/apuzzle/difficulties/aproblemsettle“解决”，其对象通常是某种争端。settleanissue/anargument/amatter/aquarrel6.from…onfromthen/thattimeon从那时起fromnowon从现在起from…to…frommorningtonight7.reality辨析：易混词辨析例句reality“真实，实在”，指某事物的确存在。Thefilmshowedlifei

6、nthepoorareawithgreatreality.truth“真实，真理”，指对人或事实而言。Thisisaneternaltruth.8.financen.&v.(finacial)(1)n.资金e.g.financeforeducation(2)n.[U]财政；金融；财务e.g.theMinisterofFinance财政部长thefinancedirector/department财务主任、财务科(3)(finances)(pl.)（个人、组织、国家的）财力，财源，财务管理e.g.Buyingthenewhouseputaseverestrainonou

7、rfinances.(4)v.给……提供资金e.g.HetookajobtofinancehisstayinAustralia.9.mobileadj.&n.(1)adj.非固定的，可移动的e.g.mobileequipmentamobileshopamobilehospitalmobilehome(2)adj.行动方便的，腿脚灵便的(3)adj.易于变换社会阶层（或工作、住处）的，流动的e.g.amobileworkforce(4)adj.多变的，易变的e.g.Shehasamobileface.(5)n.风铃，（可随风摆动的）悬挂饰物10.exp