高中英语 unit 3《computers-vocabulary and useful expressions》教案 新人教版必修2.doc

1、优质文档优质文档Unit 3 Computers1. calculate vt.(1)计算，核算e.g. The committee calculated the costs very carefully.(2)估计e.g. I calculate what it will cost.(3)美口以为；认为e.g. I calculate all of them will come here.(4)打算或计划做某事e.g. This advertisement is calculated to attract the attention of children.The loss has not

2、yet been _ accurately, but it is believed to be well beyond a hundred million dollars.A. calculated B. consider C. completed D. controlled2. compare v. & n.(1)比较，对比compare A with B 把 A与 B相比较 compare A to B 把 A比作 B(2)vi. 与类似、相似compare with/to sb./sth. 比起某人、某物，与某人、某物相比e.g. This school compares with th

3、e best in the country.(3)独一无二的东西，举世无双e.g. a diamond beyond comparecompare notes with sb.与某人交换看法（或意见等）3.universal(1)全世界的，共同的，全体的e.g. Agreement on this issue is almost universal.(2)普遍存在的；广泛适用的e.g. a universal problem Although I was young I could simplify difficult sums.although引导让步状语从句。4.simplifya sim

4、plified text 简易读本5. sum n. & v.(1)n. C总数，总和e.g. The sum of two and five is seven.(2)n. C金额，钱数e.g. It will cost an enormous sum to build the stadium.(3)n.(pl.)算术题优质文档优质文档e.g. Tom is better at sums than I am.(4)vt. & vi. 共计e.g. sum up the figuresin sum总而言之 sum up 总结，概括6. before(1)在以前e.g. He had left b

5、efore I arrived.(2)之后才常用结构：It will be + 时间 + before +从句 多久之后才It will bot be + 时间 + before +从句 没过多久就会e.g. It will be three years before we meet again.(3)（不久）就；还没来得及就常见结构：It was(wasnt) + 时间 + before + 从句e.g. It wasnt long before he returned from abroad.7. artificial(1)人工的；人造的；假的an artificial flower/li

6、mb(2)人为的；非自然的e.g. An interview is a very artificial situation.(3)虚假的；假装的artificial emotion8. intelligence智力，材质；消息，情报e.g. Use your intelligence.secret intelligence9. 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。 The conflict was resolved.solve 主要表示解答难题等。 He has solved all the problems.辨析：易混词 辨析 例句sol

7、ve “解决” ，侧重的是给出一个答案。 solve a mystery/a puzzle/difficulties/a problemsettle “解决” ，其对象通常是某种争端。 settle an issue/an argument/a matter/a quarrel优质文档优质文档10. fromonfrom then/that time on从那时起 from now on 从现在起 from tofrom morning to night11. reality辨析：易混词 辨析 例句reality “真实，实在” ，指某事物的确存在。The film showed life i

8、n the poor area with great reality.truth “真实，真理” ，指对人或事实而言。This is an eternal truth.12. shareshare sth. with sb.share sth. among/between sb.share and share alike13. applicationapply 申请；应用14. communication(1)U交流，通讯(2)C交通或通讯设备15. finance n. & v.(finacial)(1)n. 资金e.g. finance for education(2)n.U财政；金融；财

9、务e.g. the Minister of Finance财政部长 the finance director/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. Buying the new house put a severe strain on our finances.(4)v. 给提供资金e.g. He took a job to finance his stay in Australia.16.mobile adj. & n.(1)adj. 非固定的，可移动的e.g. mobile equipment a mo

10、bile shop a mobile hospital mobile home(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. a mobile workforce(4)adj. 多变的，易变的优质文档优质文档e.g. She has a mobile face.(5)n. 风铃， （可随风摆动的）悬挂饰物17. explore vt.(1)探测，勘察，探险e.g. The oceans have not yet been fully explored.(2)探究，仔细查阅e.g. Ill explore the possibility o

11、f getting a job here.18. goal n.(1)目标；目的e.g. Goals determine what you are going to be.(2)进球；得分e.g. get/make a goal(3)球门e.g. keep goal 守球门achieve ones goal kick a goal19.providewithe.g. They provided food and clothing for the homeless.provide sb. with sth. = provide sth. to/for sb.e.g. The sun provid

12、es us with light and heat.provide against provide for sb.辨析：易混词 辨析 例句provide “事先准备好”必需品来供应。supply “补给不足”的人员或设备。 The company supplies tents to the deparment.20.downloadupload上传 search engine 搜索引擎 log on/in 登录，上线 log off/out注销，下线 chat room 聊天室 click 点击21. in realityin fact in actual fact as a matter o

13、f fact22. give away(1)捐赠，赠送，分送e.g. He gave away most of his money to the charity.(2)分发，颁发e.g. The headmaster gave away the prizes at the school sports day.(3)泄漏，暴露e.g. give away the secrets优质文档优质文档(4)丧失，失去e.g. He gave away his fortunate.23. consistconsist of 由组成 consist in 在于 consist with 与一致e.g. Ou

14、r team consists of 11 members.Happiness consists in health.由组成 用被动语态：be made up of be composed of用主动语态：consist of24. advantage(1)优势，有点e.g. I had the advantage of him.(=I was in a better position than he was.)(2)利益，好处e.g. There will be no advantage in doing.take advantage of利用 be of advantage to对 有利

15、to the advantage of sb.对某人有利辨析：易混词 辨析 例句advantage 指在物质利益方面及竞争中所占的优势或有利条件。There will be no advantage in wasting time.profit 多局限于物或金钱的利益，指“利润”时，常用复数。The bank did not make profits last year.benefit 常用的词，可兼指物质和精神两方面的好处。The new factory will be a great benefit to the town.25. reasonthe reason why the reas

16、on for whiche.g. I want to know the reason why he failed the exam.26. signal v. & n.(1)v. 发信号；示意e.g. Mary was signaling to us.(2)n.信号，暗号(3)n. 电信号e.g. TV signals a radio signalIn our class, when the bell and the teacher closed his book, it was a signal everyone to stand up.（它正是大家要起立的信号）(signal)27. in

17、 a way = in one wayon the way by the way in the way28. make up(1)编排优质文档优质文档e.g. He made up the name list.(2)由组成，构成 be made up of(3)编造，捏造e.g. The whole story is made up.(4)凑足，补足或补齐某事物e.g. We need 10,000 dollars to make up the sum required.(5)弥补；补考e.g. Shell make up the final exam.(6)化妆e.g. She took o

18、ver an hour to make up.(7)铺床，支起（临时的床）e.g. They made up a bed on the floor.(8)与某人和解、和好e.g. They quarreled but soon made up.American Indians _ about five percent of the U.S. population.（2008 浙江）A. fill up B. bring up C. make up D. set up29. after allat all after all above all in all Why are you so anx

19、ious? It isnt your problem after all.（毕竟这不是你的问题）(after all)30.deal with 对待；对付；处理；与交易；论述；涉及e.g. This book deals with an important issue.辨析：易混短语 辨析 例句deal with deal是不及物动词。一般与 how连用。 I want to know how to deal with it.do with do是及物动词。一般与 what连用。 I want to know what to do with it.31. watch over看管；照顾；看守；

20、守卫watch out注意，留神 keep a watch on 监视 on the watch for看守，监视 set a watch on 派兵守卫32. spoil v. & n.(1)v. 破坏；搞坏；糟蹋；毁掉e.g. Our camping trip was spoilt by bad weather.(2)v. 溺爱，娇惯，宠坏e.g. She spoiled her child.(3)v. 善待，格外关照e.g. spoil oneself(4)v. （食物）变坏、变质e.g. Dont eat the food because it spoiled.优质文档优质文档(5)n. pl.战利品，掠夺物；成功带来的好处e.g. The robbers divided up the spoils.