高中英语Unit 3 Tomorrow’s worldTask课件牛津版必修四

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1、Skills building 1:Distinguishing between facts and opinions1.What is a fact? 2.What is an opinion?A fact is a piece of information that is proved to be true.An opinion is a feeling or belief that is not founded on certainty or proof.Which of the following are Facts and which of them are Opinions?1.C

2、hina has a total land area of over 9.6 million km.2.On 15th October 2003, the first Chinese person went in to space.3. I believe our painting is worth quite a lot of money.4. Suzhou is over 80 km away from Shanghai.5. It seems that people prefer living in flats.6. I think that people who litter shou

3、ld be fined.7. Mr Wang came home to find his computer broken.FactFactOpinionFactOpinionOpinionFactLISTENING:CIRCLE THE CORRECT WORDS1.Fact/Opinion2.Fact/Opinion3.Fact/Opinion4.Fact/Opinion5.Fact/Opinion6.Fact/OpinionCOMPLETING A NOTE SHEET:Name of Student: Class:Date of visit to computer room:Time:C

4、omputer number:Problems with computer: Solution tried: Other problems:Comments:Cao YingSenior High 1Sunday, 2nd March.10 a.m.- 2 p.m.PC No. 7 the keyboard had letters missing, the mouse wouldnt move the cursor around the screen properly, would not print. tried other PCs, but they were in worse condi

5、tion. Old and slow, often crash, not connected to the Internet, can only run one program at one time, many keyboards with missing letters, mouse not working properly.need to have new computers.Skills building 2:Asking for informationWORK IN PAIRS. COMPLETE THE QUESTIONS ACCORDING TO THE ANSWERS(P54)

6、: 1. When 2. How often 3. Why 4. What problem 5. What Listen and complete the interview formbuy new computers and new software1.Usual time of use_2. Frequency of use_3. Reasons for use_4. Problems found_5. Recommendation for improvement_in the afternoonthree times a week: Monday, Thursday, Fridayfor

7、 school workkeyboards, CPUs, RAM, no DVD-ROM drives, too small hard drives, no Internet connection, no sound card, slow and ugly PCs, very old softwarePAIR WORK:Interview:Look at the picture. Suppose one of you is a student who has just used the computer in the computer room and feels quite disappoi

8、nted at the present state of the computer room. And the other is a reporter for school newsletter who wants to find out more about the computer room to support his opinion that computers should be changed for new and better ones. Now the reporter is interviewing the student.Sample answersS1:I know y

9、ou often go to the computer room. How often do you go there? And what type of activities do you do there?S2: I usually go there four times a week. I like to do my homework and some revision work there. Sometimes I surf the Internet to search for information. Im interested in, such as sports news and

10、 pop music. I also send and receive e-mails. I have some e-friends in the USA and Australia.S1: When do you usually use the computer room?S2: We have computer lessons twice a week, when I can use the computer there. I sometimes go there at lunchtime or after school.S1: Since you often go there, what

11、 problems have you found with the computer room?S2: The computer room is always busy since there are not enough computers. And it is closed too early. The worst thing is that the computers there are too old and work too slowly. There is something wrong with keyboards, CPUs, RAM, DVD-ROM drives and h

12、ard drives. And the printer doesnt work well.S1: You certainly want the computer room to be improved.How do you think it can be improved?S2: I think the school should buy more and better computers, replace keyboards and mouse, and buy and install new software. The computer room should be open for lo

13、nger hours.Answers1.in computer lessons, at lunch time or after school2.four times a week3.for homework and revision work, surf the Internet, send and receive e-mails4.too busy and there are not enough computers; closed too early; the computer are too old and work too slowly; there are something wro

14、ng with keyboards, CPUs, RAM, DVD-ROM drives and hard drives; the printer doesnt work well.5.buy more and better computers; replace keyboards and mouse, and buy and install new software; the computer room opening hours should be open for longer rules Skills building 3:Formal writing What are the gen

15、eral rules we should follow when we write a business proposal, a report or a letter to a stranger? DontsDo not be personal.Do not tell jokes or try to be funnyDo not use contraction or necessary abbreviations.Do not use slang.DosAlways be politeUse a serious tone.Use formal greetings and endings.Use

16、 Dear Sir/Madam if you dont know the persons name.EX (P56)Answers1. Informal 2. Formal 3. Informal 4. Formal 5. Informal 6. Formal 7. Informal 8. Informal 1.More example sentences for you to have a better idea of the difference between formal and informal writing. FormalInformal1 It gave me much ple

17、asure to inform you.Im pleased to tell you.2 Every consideration will be given to your request.Your request will be carefully considered.3 Mr Brown informed me of your decision.Mr Brown told me that you had made up your mind.4 We are writing with reference toWe are writing about5 We do not anticipat

18、e any increase in prices.We do not expect prices to rise.6 We would like to take this opportunity toWe are pleased toMore example writing a proposal for a new computer room1. INTERVIEW YOUR CLASSMATES AND GATHER MORE INFORMATION ABOUT SCHOOL COMPUTER ROOM.2. Read your notes and then complete the sum

19、mary of the survey for the school newspaper. Suggested solution1. It should be redesigned.2. They should be replaced.3. More should be bought.4. More should be bought.5. It should be updated.6. Computers should be connected to the Internet.7. They should be updated.8. Air-conditioner should be insta

20、lled.9. Opening hours should be extended. Possible exampleDear sir, Recently, a survey about the school computer room was carried out in our school. The students find the design of the computer room impractical. They are not interested in studying there because of this. Im writing this proposal to y

21、ou to voice our opinion that the computer room needs improving. There are not enough computers in our computer room. The computers that we use at the moment are old and slow, and they often crash, which wastes a lot of time. The computers there are not connected to the Internet, so we can not get th

22、e information that we need for our homework. There is only one printer in the room, which always goes wrong. In addition, the room is too hot in summer. As more and more subjects involve IT, the computer room is playing a more important role in our studies nowadays. We are encouraged to use computer

23、s to do our homework and get information from the Internet. Now many factories and companies cannot work without computers, so those who have computer skills are easier to find a job. In order to get ourselves well prepared for the future, we need a well-equipped computer room. I am sure that most p

24、arents would agree with our proposal that our school should improve the computer room. The government says we should have more IT in all subjects, and more subjects are developing rapidly with the help of IT. Computer skills are becoming more and more important in further studies. We will not keep u

25、p with the development of society if we are not good at using computers. So we really need to have a new computer room and hope that you will seriously consider our request. Best wishes, Senior High1 Lihong Language points1.In my opinion, it is about time we had new computers. Its (high/about) time

26、(that)sb. did/should do sth. =Its time for sb. to do sth. 你该走了。你该走了。Its high time that you went.Its high time that you were going.Its high time that you should go.Its time (for us) to go.Its time for leaving.2. at one time: during a period of past time 曾经,一度曾经,一度 我曾经习惯于在晚饭后散步。我曾经习惯于在晚饭后散步。At one tim

27、e, I used to take a walk after supper. 我曾经喜欢在夏天爬山。我曾经喜欢在夏天爬山。 At one time, I liked to go mountain-climbing in summer.time 常用短语常用短语ahead of time 提前提前 all the time 一直一直,始终始终at a time 一次一次,每次每次 at all times 随时随时,总是总是at no time 从不从不,决不决不 at times 有时有时,间或间或for the time being 暂时暂时,眼下眼下 from time to time 有

28、时有时,不时不时in no time 立即立即,马上马上 in time 及时,终有一天及时,终有一天,合合节拍节拍on time 准时准时 once upon a time 从前从前 3.If the PC I was using had had a good keyboard, I would not have made so many mistakes. 本句为虚拟语气在条件句中的使用,本句为虚拟语气在条件句中的使用,表示与过去事实情况相反。表示与过去事实情况相反。 类别类别用法用法If引引导的导的条件条件从句从句与现在与现在事实相事实相反反从句动词:过去式(从句动词:过去式(be用用w

29、ere)主句动词:主句动词:should/would/could/might+动动词原形词原形与过去与过去事实相事实相反反从句动词:从句动词:had+过去分词过去分词主句动词:主句动词:should/would/could/might+have+过去分过去分词词与将来与将来事实相事实相反反从句动词:过去式从句动词:过去式 / should+动词原形动词原形 / were+不定式不定式主句动词:主句动词:should/would/could/might+动动词原形词原形虚拟语气用法:虚拟语气用法:hadwould feelwerehad takenwouldnt have happenedsho

30、uld rain1.If I _(have) HIV, I would know because I _(feel) sick.2.If I _(be) you, I would give AIDS patient a hug.3.If I _(take)your advice, I wouldnt have made a mistake.4.If he had been there, it_(not happen).5.If it _(rain)tomorrow, they wouldnt go for an outing.经典题回放经典题回放1. If the traffic hadnt

31、been so heavy, I could have been back by 6 oclock.(2005湖南湖南) - What a pity! Tina _ here to see you. A. is B. was C. would be D. has been 2._for the doctors careful treatment, he _already, as you can see now.A.If it is not; cant recovered B.Were it not; couldnt recoveredC. Had it not been; couldnt have recoveredD. If they were not ; couldnt recovered BC

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