高中英语必修2教案：Computers-词汇讲解学案

高中英语必修2教案：Computers-词汇讲解学案

Computers-词汇讲解学案 ‎1. 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 yet been ____ accurately, but it is believed to be well beyond a hundred million dollars.‎ A. calculated B. consider C. completed D. controlled ‎2. 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 the best in the country.‎ ‎(3)独一无二的东西，举世无双 e.g. a diamond beyond compare compare 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.simplify a simplified 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 e.g. Tom is better at sums than I am.‎ ‎(4)vt. & vi. 共计 e.g. sum up the figures in sum总而言之 sum up总结，概括 ‎6. before ‎(1)在……以前 e.g. He had left before 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(wasn’t) + 时间 + before + 从句 e.g. It wasn’t long before he returned from abroad.‎ ‎7. artificial ‎(1)人工的；人造的；假的 an artificial flower/limb ‎(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 emotion ‎8. intelligence智力，材质；消息，情报 e.g. Use your intelligence.‎ secret intelligence ‎9. 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 solve ‎“解决”，侧重的是给出一个答案。‎ solve a mystery/a puzzle/difficulties/a problem settle ‎“解决”，其对象通常是某种争端。‎ settle an issue/an argument/a matter/a quarrel ‎10. from…on from then/that time on从那时起 from now on从现在起 ‎ from… to…from morning to night ‎11. 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 in 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. share share sth. with sb.‎ share sth. among/between sb.‎ share and share alike ‎13. application ‎ apply 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 mobile 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 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. I’ll explore the possibility of 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 one’s goal kick a goal ‎19.provide…with…‎ e.g. They provided food and clothing for the homeless.‎ provide sb. with sth. = provide sth. to/for sb.‎ e.g. The sun provides 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.download upload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 reality in fact in actual fact as a matter of fact ‎22. 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 ‎(4)丧失，失去 e.g. He gave away his fortunate.‎ ‎23. consist consist of 由……组成 consist in 在于 consist with 与……一致 e.g. Our 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 of ‎24. 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 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. reason the reason why… the reason for which…‎ e.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 signal In 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 a way = in one way ‎ on the way by the way in the way ‎28. make up ‎(1)编排 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. She’ll make up the final exam.‎ ‎(6)化妆 e.g. She took over 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 up ‎29. after all at all after all above all in all ‎ Why are you so anxious? It isn’t 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；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. Don’t eat the food because it spoiled.‎ ‎(5)n. [pl.]战利品，掠夺物；成功带来的好处 e.g. The robbers divided up the spoils.‎