高中英语Unit3ComputersLanguagepoints课件新人教版必修2

1.IbeganasacalculatingmachineinFranceinl642．1642年我在法国诞生时是一台计算机器。calculatev.tofindtheanswerusingnumbers计算，估计，算出e.g.Letmecalculatethecostofthejourney.让我计算一下旅途的费用。Thescientistscalculatedwhenthespacecraftwouldreachthemoon.科学家推算出了宇宙飞船抵达月球的时间。becalculatedtodosth.被计划成……打算做某事e.g.Hisremarkwascalculatedtohurther.他的话是故意要伤害她的。[拓展]calculableadj.可计算的；可估计的calculatedadj.精心计划的calculationn.计算；估计calculatorn.计算器Thelosshasnotyetbeen_____accurately,butitisbelievedtobewellbeyondahundredmilliondollars.A.calculatedB.consideredC.completedD.controlled【点拨】选A。由题意(损失尚未被精确地计算出来，但人们相信会超过一亿美元)可知选calculated。consider认为，考虑；complete完成，结束；control控制。2.AlthoughIwasyoungIcouldsimplifydifficultsums.simplifyvt.tomakethingseasier使简化e.g.Simplifytheinstructionssothatchildrencanunderstandthem.Theapplicationformshavenowbeensimplified.Whileintelligentpeoplecanoften_____thecomplex,afoolismorelikelytocomplicatethesimple.A.sacrificeB.substituteC.simplifyD.survive【点拨】选C。由While可知，主从句意思相对照，且结合complicatethesimple(使简单的事情复杂化)可知，设空处要用simplify。3.…Icouldbemadeaworkasa“universalmachine”tosolveanydifficultmathematicalproblem.solvevt.toworkouttheanswertoaproblem解答，解决e.g.Theexpertcannotsolvethisdifficultproblem.Talktomeaboutwhateveristroublingyou.I’llhelpyousolveit.Thecleverchildsolvedtheriddlequickly.solve后跟______或_______作宾语。【拓展】solutionn.解答，解决办法e.g.There’snosimplesolutiontothisproblem.名词代词翻译下列句子。1.Justcalmdown—shoutingwon’tsolveanything!2.我们找不出解决这个问题的办法。冷静些——喊叫解决不了任何问题！Wecan’tfindasolutiontothisproblem.4.AsaresultItotallychangedmyshape.asaresult结果；终于；因此asaresult可用于句首，可用于句末。e.g.Hedidn’tworkhard,asaresulthefailedtheexam．他学习不努力，结果考试不及格。Herunseveryday.___________,hehaslostweight．他每天跑步，结果他减肥了。Asaresultasaresultof...意为“由于……的结果”，后跟名词或代词。e.g.Marywaslateasaresultofthesnow.选用以上合适的短语完成下列句子。1.Jacksoncouldn’tworkanylonger_____________thecaraccident.2.Wehelpedeachotherinstudies,and__________webecamegoodfriends.asaresultasaresultoftotallyadv.completely整个地;完全地totallyblind全盲totaladj.完全的;整个的totalsilence寂静无声intotal总共5.IhaveevenbeenputintospacerocketsandsenttoexploretheMoonandMars.explorev.totravelaroundanareatofindoutaboutit探索；探测；探究e.g.TheyexploredthelandtothesouthoftheMurrayriver.给出explore的中文意思。Assoonaswearrivedontheisland,wewereeagertoexplore.Kate’sfatherworksinacompanyexploringforoil.Wemustexploreallpossiblewaystoincreasefoodproduction.Let’sexplorethisideamorefully.考察，勘探勘探探索探讨【拓展】explorern.勘探者，考察者，探险者；explorationn.勘探，探索，研究翻译下列句子。1.Itisworthexploringotherwaysofdealingwiththisproblem.2.你真的考察了离你们那儿最近的城镇？其他处理这个问题的方法值得探讨一下。Haveyoureallyexploredyournearesttown?6.Anyhow,mygoalistoprovidehumanswithalifeofhighquality.anyhowadv.anyway无论如何；不管怎样；即使如此e.g.Thatwasn’tmyfaultanyhow．反正那不是我的过错。Idon’tknowifitwaslostorstolen,anyhow,it’sgone．我不知道它是丢了还是被偷了，不管怎么说，它不见了。Idon’tthinktheyneedhelp,butIthinkIshouldofferanyhow．我认为他们无需帮助，不过我想我应有所表示。1.房子锁着,我无论如何也进不去。2.不管怎样,我们设法得到了我们想要的。ThehouseislockedandIcannotgetinanyhow.Wemanagedtogetwhatwewanted,anyhow.goaln.球门；进球得分；目的，目标根据句意，写出goal的汉语意思。IwishIcouldachievemygoalofwriting2,000poems.Hekickedtheballtowardstheotherteam’sgoal.Theirteambeatusbythreegoalstoone.目的，目标球门进球得分1._________completechangeinwaysofthinking,working,etc.2._________connectedcomputersystem3._________tomakethingseasier4._________tofindtheanswerusingnumbersrevolutionnetworksimplifycalculateFindthewordorexpressionforeachofthefollowingmeaningsfromthetext.5._________canbemovedeasilyfromplacetoplace6._________toworkouttheanswertoaproblem7._________totravelaroundanareatofindoutaboutit8.__________completely9.__________anyway10._________activityofmanagingmoneymobilesolveexploretotallyanyhowfinance1.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.【分析】该句是一个由and连接的并列复合句。and前的分句是一个简单句。and后的分句的结构是：ittook...before...。before引导___________从句。时间状语【翻译】我发展缓慢，差不多两百年之后，查尔斯·巴比奇才把我制成了一台分析机。【仿写】过了两年我们才又见了一次面。____________________________________________Ittooktwoyearsbeforewesaweachotheragain.2.Bythe1940sIhadgrownaslargeasaroom,andIwonderedifIwouldgrowanylarger.【分析】这是一个由and连接的并列复合句。and前的分句是一个简单句。and后的分句中，Iwonderif...是一个常用句型，意为“我想知道是否……”，常用来委婉地提出疑问或请求，也可用whether代替if。如：Astimewenton,Marybegantowonderif/whetherJohnhadforgottentheirdate.【翻译】到二十世纪四十年代，我已经长得像一间屋子那么大，我不知道是否还会长得更大。【仿写】我在想这么多年后，我还能否认出Philip。____________________________afteralltheseyears.IwonderifI’llrecognizePhilip3.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!【分析】此句中包含一个由_________引导的结果状语从句，在该从句中又包含一个省略了关系代词_____的定语从句：Ihavebeentold，修饰先行词_________。anythingso...thatthat【翻译】随着时间的推移，我的记忆能力发展得如此之快，就像一头大象一样，我从来不会忘记告诉我的任何事情！【仿写】他在这么短的时间里做了这么多，几乎每个人都认为这是个奇迹。Hehasdonesomuchin________________almosteveryonethinksthatitisamiracle.soshortatimethat4.AndmymemorybecamesolargethatevenIcouldn’tbelieveit!句型:so…that…如此……以致于……与too…to…句型可相互转换Andmymemorybecametoolargeformetobelieveit.e.g.Heissooldthathecan’tcarrythebox.Heistoooldtocarrythebox.此结构中的that从句表示结果。e.g.Thestoneissoheavythatnoonecanliftit.so...that...结构的so+形容词/副词位于句首时,句子用倒装结构。e.g.Soharddoesheworkthatheseldomgoeshome.sothat既可以表结果,也可以表目的。5.Bu