人教版高中英语必修二第6讲：Unit3 Computers-语法篇(教师版)
高中英语人教版必修2课件：Unit 3 Computers
Well, in general, WWW stand for “World Wide Web”. Most people confuse the Internet with the World Wide Web. However, there is a difference. The Internet is made up of thousands of computers that are connected worldwide. WWW or World Wide Web, is what your computer uses to check out the Internet. For example, your computer uses browsers, such as Internet Explorer or Netscape (网景浏览器) to let you see and hear all the cool pictures, information, music and sounds on the Internet.
1．confuse vt. 2．connect vt. 3．browser n. 4．surf vt. 5．modem n. 6．graphics n.
使混乱；使困惑 连接；联合；关联 (电脑)浏览器 在……上冲浪 调制解调器 绘画；图像
1．What difference is there between the Internet and WWW? ________________________________________________________________ 2．What do you need if you surf the World Wide Web? ________________________________________________________________ 【答案】 1.The Internet is made up of thousands of computers that are connected worldwide；WWW is what your computer uses to check out the Internet. 2．You need to have a computer with a modem and a browser.Besides，you need to have an Internet Service Provider.
人教版高中英语必修二课件Unit3Computers——grammar课件
bought thisFbike for almost four years.（改错） HowT long has this book
been bought（判断正误）
（4） 带有双宾的词，如__g_i_v_e,_,s_e_n_d_,b,_ri_n_g_， __ta_k_e_,_te_a_c_h,,_te_l_l_,w__r,i_te_,_b_u_y,p_a_y___等，变为被动语 态时，将其中一个宾语变为主语，其他借助介词 to 或者for。 【学以致用】The teacher has given twins a book. （用被动时态对句子进行改写）
Their photos have been made fun of by the netizens.
现在完成时被动态结构：
have /has +been +过去分词
时间状语 现在完成时常与already ,yet recently ,so far ,by now, up till now ,since .....,before......等连用
had been done
过去将来时
would be done
一般将来时
will be done
现在完成时
have/has been done
歌诀是：被动语态be字变，过去分词跟后面。
ห้องสมุดไป่ตู้
现在完成时态
定义：现在完成时的动作或情况虽然发生在
过去，但它强调的是与现在的关系，用来说 明现在的情况。 现在完成时态结构：(have/has + 过去分词)
思
The programme has been broadcasted since November.
重点短语(人教版必修 2 Unit 3 Computers)(讲义)
1. 学习短语的根本含义和用法。
2. 灵敏运用所学的短语，学会用短语造句。
重点：短语as a result, in a way, deal with, watch over的用法。
难点：deal with有关的短语和as a result有关的短语。
【短语学习】1. as a result 结果；因此★★★★as a result “结果〞，作结果状语，常放在句首或句中，强调产生的结果。
As a result，I have made steady progress in my studies.结果我在学习上稳步上升。
He made one big mistake, and, as a result, lost his job.他犯了个大错误，结果丢了工作。
as a result of 由于；作为……的结果without result 毫无结果地；徒劳result from 由……引起〔搭配：结果+result from+原因〕result in 导致；结果〔搭配：原因+result in+结果〕in the result 结果〔结局〕They were late as a result of the rain. 由于下雨，他们来晚了。
His carelessness resulted in his death. 〔同义句改写〕〔1〕His death resulted from his carelessness.(用his death作主语改写句子)〔2〕He died as a result of his carelessness.(用result的名词短语改写句子)as a result中的a不可用the 代替，而as a result of中的a那么可用the交换。
as a result of作为……的结果；由于because of 由于，因为owning to 由于thanks to 由于，幸亏due to由于It rained heavily. ________，we had to stay at home for the whole weekend.A. As a resultB. As a result ofC. Result fromD. Lie in答案：A思路分析：关键是分清因果关系，本句是前因后果。
人教版高中英语必修2Unit 3Computers语言要点教案 新
Unit 3 Computers 语言要点Ⅱ 词性变化（旨在提供语法填空所需材料）1. sum n. 金额; 款项; 总数; 总和[典例]1). He was fined the sum of 200. 他被处以200英镑罚金。
2). The sum of 5 and 3 is 8. 5加3的和是8。
[重点用法]in sum简言之; 总而言之sum sb/sth up形成对某人[某事物]的看法[练习] 中译英1). 总之, 计划告吹了。
_______________________________________________________________________________ ______2). 我认为她是个很能干的经理。
_______________________________________________________________________________ ______Keys: 1). In sum, the plan failed.2). I summed her up as a competent manager.2. advantage n.优点；优势；有利条件[典例]1). He has the advantage of a steady job. 他有工作稳定的有利条件。
2). They took full advantage of the hotel's facilities. 他们充分利用旅馆的设备。
[重点用法]take advantage of 对……加以利用；欺骗to sb.’s advantage 对某人有利have /get/win an advantage over （of）胜过；优于[练习] 中译英1).协议对我们有利。
_______________________________________________________________________________ ______2).她利用了我的慷慨。
人教新课标高中英语必修二Unit 3 Computers教案
Unit 3 ComputersPeriod 1 ReadingI.Teaching aims1. Knowledge aims(1)Get the students to learn the useful and expressions in this part.(2)Let students to learn about history and basic knowledge of computers.2. Ability aimDevelop students' reading abilities and let them learn different reading skills.3. Emotional aimArouse students' great interest in learning computers and let them learn to use the computers in their daily lives.II.Teaching difficult and important points1.Let the students learn more about history and basic knowledge of computers.2.Get the students to learn different reading skills.III.Teaching methods1.Task-based teaching and learning2.Cooperative learning3.DiscussionIV. Teaching proceduresStep1.Lead-in and warming upShow the students some pictures of Steve Jobs and let them guess who he is. After showing the third picture, they may get the right answer. Then let them focus on the tablet in his hands and ask them what kind of computers it is.Then show them a short video about the history of Apple’s computers and ask them how many different kinds of computers they can see.At last, show them some kinds of computers.T: Do you want to know more about computers?Step2.SkimmingRead the whole passage as fast as you can.Try to get the main idea of this passage.A. The computer wants to find “who he is”.B. The function (功能) of the computer.C. The computer becomes popular around the world.D. The history and the applications of the computer.Find out the topic sentence of each paragraph and underline them.Step3. Careful-reading Para 1ScanningLet the students read this paragraph carefully and try to finish the following char.T: How could these changes become possible?Step4. Careful-reading Para 2Let the students read paragraph 2 quickly and find the answer to this question. After check the answer, give them one minute to find the five different ways of memory for computers in different periods of time.Step5. Careful-reading Para 3Since the memory of computers has been improved greatly, will them become more powerful and can be used in more fields?Now read the last paragraph and find out the new applications of computers.Step6. Further Reading1.The passage is written by_______ order?2. What is the most used rhetoric (修辞法) in this passage?A. simile（明喻）B. personification (拟人)C. metaphor (暗喻)3. In what ways have computer been changed?Ask some students to summarize. If they have any difficulty, give them some hints. Step7. Activity: Be the next Jobs!We have learned the history of computers and seen the great development of computers. What will the computers be like in the future? Do you want to design your computers as Jobs did? Now try to design your computers.For example:This is the new computer designed by our company.It is very small and transparent(透明的). You can even put it into your pocket. (Shape/color)It has a free-internet in it. You can… (Applications/functions)It only costs you … (Price)Give the students five minutes to prepare and invite some of them to show their ideas. Step8. Homework1. Try to retell the history of computers.2. Read the passage carefully and underline the difficult sentences.。
人教版高中英语必修二教案：Unit 3 Computers Period 6 Using language
Unit 3 ComputersPeriod 6 Using language教学设计I. Teaching aims:1.To do the listening exercises in this unit.2.Read the passage ANDY-THE ANDROID3.To master the following expressions:signal; goal; type; in a way ; arise; with the help of; electronic; deal with; watch over4. To know about the liaison and incomplete explosion.II. Teaching methods:Readingh; Listening ,speaking and writingIII. Teaching important and difficult points:Important points :Learn the expressions in this part.Difficult points:Understand the passage better.IV. Teaching procedures:Step 1 RevisionCheck the answers to the homeworkStep 2 Lead-in1.Talking about ITTeacher with the students together to have wo talk about IT:What is I T？(Information Technology)Can you tell some ITs？( students share their answers)Step 3 Listening1)Listen to the whole text and try to write down the main idea in onesentence.Two students are talking about information technology.2). Listen for the second time and fill in the chart on exercise 3 with your partner( Teacher had better play the listening materials one more times to make sure all the students can listen clearly)3). Discussion:What are the advantages and disadvantages of each form of IT?In small groups discuss this question and put your ideas on to the chart. Then decide when each kind of IT is most useful.Use the reasoning expressions on PPT 11—12 in your discussion. Step 4. Reading1.Ask the students to read the text and find out what is Andy and it’scharacters.Andy is part of an android football team.Andy is as big as a human. In fact, Andy looks like one too.Andy is a striker on the football team.Andy can run very fast.Andy’s computer chips help him to move and think like a human.2. Read the passage carefully and fill in the file for Andy in exercise 1on page 23.3. Create your own android. Fill in the file in exercise 2 and comparewith your partner.Step 5. Deal with the language points in this part.1. signal vi. & vt. 发信号n. 信号2. goal n.球门；（进球）得分；目标; 目的3. type 1) n. 类型; 2) vt. & vi. 打字4. in a way 在某种程度上in the way of 挡……的道；妨碍on the/one’s way (to) 在(去……)的路上by the way 顺便提一下in no way 决不all the way 自始自终;完全地in this way 用这种方法5. arise (arose, arisen) vi.出现；发生6. with the help of 在……的帮助下7. electronic adj.电子的8. deal with 处理；安排；对付9. watch over 看守; 监视Step 6 WritingWrite a description of your android and what it can do. You may drawa picture of it if you wish. Use your notes and the sample passage on page24 to help you.Step 7 Homework1.Finish writing the composition.2.Review the whole unit3. Complete exercise 1 on page 57Step 8 Blackboard DesignUnit 3 ComputersUsing language1 Two students are talking about information technology.2. in the way of 挡……的道；妨碍on the/one’s way (to) 在(去……)的路上by the way 顺便提一下in no way 决不all the way 自始自终;完全地in this way 用这种方法。
人教版高中英语必修2U3 Computers 知识要点归纳总结
Book II Unit Three Computers1.as a result 结果, 因此,表示原因和结果。
As a result he was given an excellent job.as a result of sth “由于…的原因”，其后跟名词后名词性短语，但不跟句子。
He was late asa result of the snow.2.so…that…如此……以至于……引导结果状语从句有以下结构: so + adj / adv thatso + many / few /much /little +名词thatThe house is so expensive that I can’t afford it.There are so many people that I can’t get in the bus.3. anyhow adv anyway 无论如何，不管怎样He told me not to buy it, but I bought it anyhow.It may be risky but we'll chance it anyhow.11.in a way 在某种程度上in some ways 在某些方面by the way顺便说说；顺便提一下all the way 自始至终；完全地I don’t like the house in a way.A bad thing can be changed into a good thing inaway.4.arise vi. 呈现; 出现; 发生During the night a great snow has arisen.A new difficulty has arisen.5.with the help of / with one’s help借助于，在…的帮助下The old walk with the help of walking sticks.With the teacher’s help, he made a rapid progress.6..deal with应付, 处理; 对待He have a great deal of problems to deal with.Be careful. She is very difficult to deal with.7.watch over 看守,监视watch out 注意；当心He used to be made to watch over sheep.Watch out ! A big dog is coming at you.8. from …on 从……时开始；从……时以后From then on he refused to talk about it.We must study even hard from now on.9. consist of =be made up of…由。
人教版必修二第6讲：Unit3Computers-语法篇(教师版)
Unit3 Computers-语法篇__________________________________________________________________________________ __________________________________________________________________________________ 通本的学掌握在达成的被的用法。
在达成的被一．在达成的被的各样句式1. 一定式：主＋have/has been done. 如：The first subway to cross the Yangtze River has been started.第一条横穿江的地已动工。
2. 否认式：主＋have/has not been done. 如：When and where to have our holiday hasn't been decided yet.我没决定何去何地度假。
3. 一般疑式： Have/Has＋主＋ been done ⋯?如：Has the construction of the underwater tunnel been finished?水下地道的建筑已竣工了？4.特别疑式：疑＋ have/has(＋主 )＋ been done ⋯?如：What parts of Gansu Province have been hit by strong winds and heavy snowfall in the past two days? 在去的两天里，甘省的什么地方遇到大和大雪侵？温馨提示：(1)since then/since ＋从句， in/during the past/last ＋一段， so far, by now, up to now, recently, lately, already, yet 等常用于在达成中。
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Unit3 puters-语法篇____________________________________________________________________________________________________________________________________________________________________通过本节课的学习掌握现在完成时的被动语态的用法。
现在完成时的被动语态一．现在完成时的被动语态的各种句式1. 肯定式：主语＋have/has been done. 如：The first subway to cross the Yangtze River has been started.第一条横穿长江的地铁已经开工。
2. 否定式：主语＋have/has not been done. 如：When and where to have our holiday hasn't been decided yet.我们还没决定何时去何地度假。
3. 一般疑问式：Have/Has＋主语＋been done…?如：Has the construction of the underwater tunnel been finished?水下隧道的建造已完工了吗？4. 特殊疑问式：疑问词＋have/has(＋主语)＋been done…?如：What parts of Gansu Province have been hit by strong winds and heavy snowfall in the past two days?在刚过去的两天里，甘肃省的什么地方受到大风和大雪侵袭？温馨提示：(1)since then/since＋从句，in/during the past/last＋一段时间，so far, by now, up to now, recently, lately, already, yet等常用于现在完成时中。
(2)ever, never, already, yet等副词用于现在完成时的被动语态中常放在has或have之后。
二．现在完成时的被动语态的主要用法和注意事项1．表示过去发生的动作对现在造成的影响与结果。
当动词为短暂动词时，可与already或yet连用，但不能与for或since引导的表示一段时间的状语连用。
如：I'm sorry，but the letters haven't been typed yet.很抱歉，这些信件还没有被打印出来。
(结果是现在还拿不到这些信件)The work has already been finished.工作已完成了。
(结果是现在不用做这项工作了)4.非延续性动词在现在完成时的被动语态中的运用。
非延续性动词，如borrow, finish, begin, start, buy, marry, open, join等构成的现在完成时的被动语态不能与for或since引导的表示一段时间的状语连用，但可与already或yet连用。
如：No books have been bought since last week.自上周以来，没有人来买过书。
误：How long has this book been bought?正：How long ago was this book bought?这本书买了多久了？温馨提示：这类动词的否定式可表示动作的持续过程，具有持续性，因而可与since或for构成的时间状语连用。
如：The book has not been borrowed since last month.自上个月以来这本书就没有被借过。
5.动词短语是一个不可分割的整体，在被动结构中要保持完整，不可省略动词短语中的介词或副词。
如：No news has been heard about him since he left his hometown.自从他离开家乡，就没有关于他的任何消息传来。
例1.(2014甘肃天水期中)In the last few years, thousands of films _________all over the world.A. have producedB. have been producedC. are producingD. are being produced解析：in the last few years 用于现在完成时,因为它是指时间从过去延续到现在.又因为谓语的动作不是主语发出的,故要用被动语态,have been made是对的.直译过来是：在过去的几年里数千部电影在全世界被制作.即：全世界在过去几年里制作了数千部电影。
综合可知本题答案。
答案：B例2. (2014湖南长沙月考) The boys followed the marks that they__________, until finally they found their way back to the campsite.A. leftB. have leftC. had leftD. have been left解析：由语境可知本句所表达句意：这些男孩沿着他们留下的记，直到最后找到了返回营地的路。
留下的记的动作发生在follow之前应该用过去完成时。
由此可知本题答案。
答案：C例3. (2015·天津)Despite the previous rounds of talks, no agreement______ so far by the two sides.A. has been reachedB. was reachedC. will reachD. will have reached解析：句意：尽管之前多轮谈判，但到目前为止双方没有达成任何协议。
根据句中的时间状语so far “到目前为止”可知用现在完成时。
主语agreement与reach为被动关系，根据句意可知本题答案。
答案：A例4. (2014天津高考) We won’t start the work until all the preparations __________.A. are being madeB. will be madeC. have been madeD. had been made解析：通常说来。
在时间状语从句中使用一般现在时代替将来时，前面的主句中使用将来时。
在高中英语中也使用现在完成时代替将来时，表示到将来某个时间已经完成的事情。
句义：直到所有的准备工作都做好以后，我们才开始工作。
由语境可知preparations与动词make之间是动宾关系，所以综合可知要用现在完成时的被动。
答案：C例5.( 2014年甘肃庆阳期末) If nothing _______, the ocean will turn into fish deserts.A. doesB. is doneC. had been doneD. will do解析：句意：如果不做点什么的话，海洋会变成鱼的沙漠。
本题考查被动语态。
nothing不能发生do 的动作，所以要用被动语态，根据条件句的主将从现，主句用一般将来时，从句用一般现在时。
综合可知要用一般现在时的被动语态。
答案：B基础演练一．把下列句子变为被动语态(每空一词)1. We have pleted all the preparations for the task, and we're ready to start.→All the preparations for the task_____ ________ ________by us and we're ready to start.2. This pany has produced a new type of puter recently.→A new type of puter______ ______ _________by this pany recently.3. They have interviewed several teachers for the job.→Several teachers for the job _____ ______ __________by them.4. George has sent some text and pictures to his friend's cellphone.→Some text and pictures________ ________ ________to his friend's cellphone by George.5. They have developed some programmes for the human resource department of their pany.→Some programmes______ _____ ________by them for the human resource department of their pany. Keys:1.have been pleted 2. has been produced3. have been interviewed4.have been developed5. have been sent巩固提高一．单项选择。
( )1. Do you know the thief ______ by the police?A. has caughtB. has been catchingC. will catchD. has been caught( )2.－How many times______ not to play with fire?－I’m sorry. I’ll never do that again.A. do you tellB. had you toldC. are you toldD. have you been told ( )3. --What’s happening in the new area?--New houses_______ recently over there.A. are builtB. builtC. have builtD. have been built( )4. There is a police car in front of our neighbor’s house. What do you suppose _______?A. did happenB. has happenedC. is happenD. has been happened ( )5. All the preparations for the project _______, and we’re ready to start.A. pletedB. had been pletedC. pleteD. have been pletedKeys:1-5DDDBD二．用所给词的适当形式填空1. More than 5,000 used bikes__________________(collect)since the two brothers set up the organization.2. Since the cause of this disease________________________(discover),now we need to develop the medicine to treat it.3. Over the past ten years，this town________________(hit)twice by earthquakes.4.—Will the lecture be held at 4 o'clock this afternoon?—No. It________________(put) off till tomorrow afternoon.5. Her novel is very popular among people of all ages; so far it___________________(translate) into 25 languages.Keys:1.have been collected 2.has been discovered3.has been hit4.has been put5.has been translated一．用所给词的适当形式填空1. The plan________(study)by the experts for three times now.2. I like these English songs and they________ (teach) many times on the radio.3. Though we don't know what was discussed, yet we all feel the topic________(change)．4. —How much do you know about the Youth Olympic Games to be held in Nanjing?—Well, the media ________(cover) it in a variety of forms.5. —Your English is very good.—I'm still nervous. After all, it is only the second time that I ________(meet) foreign guests.6. If the paper ________(finish), please hand it in.7. I don't believe you've already finished reading the book—I ________(lend) it to you this morning!8. You've failed to do what you________(expect) to and I'm afraid the teacher will blame you.9. Every year a flood of farmers arrive in Shenzhen for the moneymaking jobs they ________(promise)before leaving their hometowns.10. With the help of high technology, more and more new substances________(discover) in the past years. Keys:1.has been studied2.have been taught3.has been changed4.have covered5.have met6.has been finished7.lent8.were expected 9．have been promised 10.have been discovered二．单项选择。