零起点大学英语基础教程第二册Unit2PPT优秀课件.ppt

零起点大学英语基础教程Unit 21Reading AloudLife Is Full of SteamChew, chew, chew your breadGently down the throat.The more you eat, the happier you feelLife is interesting.Row, row, row your boat,Quickly down the stream.Merrily, merrily, merrily,Life is full of steam (充充满满活力活力). 2New Words1. same a.同同样样的；同一的的；同一的 我在和昨天同一个地方看到他了我在和昨天同一个地方看到他了 I saw him at the same place yesterday. 汤姆和我一样大汤姆和我一样大 Tom and I are of the same age. 飞飞 机同一天到达机同一天到达 The plane will arrive there the same day. 他们同时开始大笑。

他们同时开始大笑 They began to laugh at the same time.32. adjust v.调调整；适整；适应应 Will you please adjust the watch for me? It’s slow.能帮我调下表吗？它走的慢了能帮我调下表吗？它走的慢了You can adjust the length of the bed easily.你可以很方面的调整床的长度你可以很方面的调整床的长度adjust (oneself) to （使自己）适应（使自己）适应Mary adjusted herself to the dry climate.Mary使自己适应干燥的气候使自己适应干燥的气候43. pub n.（英国）酒吧；客（英国）酒吧；客栈栈 bar n.酒吧酒吧 club n. 俱乐部俱乐部4. stop off 逗留；中途停留片刻逗留；中途停留片刻5. on the way back / home / to school 在回来在回来／回家／回家/上学的路上上学的路上 He was a socail animal and he has stopped off at the pub on the way back.他很喜欢社交，回来的路上还去酒吧待了一会。

他很喜欢社交，回来的路上还去酒吧待了一会561. a tow-hour meeting. 2.a three-month travel 3. an able doctor 4. the same day 5.on the way to school 6. the constant changes 781. 1. surprised 2. adjust to 3. difference4. caused5. traveled6. shoot7. flew 8. constant9. stopped10. changed9Grammar情态动词的基本用法归纳情情态动词态动词有有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等 情情态动词态动词无人称和数的无人称和数的变变化化；；不能不能单单独使用独使用，必，必须须与其后的与其后的动词动词原形构成原形构成谓语谓语 情态动词情态动词+V原原一、一、 can, could1) 表示能力（体力、知表示能力（体力、知识识、技能）。

技能） Can you lift this heavy box?（体力）（体力） Mary can speak three languages.（知（知识识）） Can you skate?（技能）（技能）10　2) 表示表示请请求和允求和允许许　　--Can I go now? -- Yes, you can. / No, you can’t.3) 表示客表示客观观可能性（客可能性（客观观原因形成的能力）原因形成的能力）They’ve changed the timetable, so we can go by bus instead.4) 表示推表示推测测（惊（惊讶讶、、怀怀疑、不相信的疑、不相信的态态度），用度），用于疑于疑问问句、否定句和感句、否定句和感叹叹句中 Can this be true? This can’t be done by him.111. I can speak four languages. 能力能力 You can use my dictionary. 允许允许 The airliner can fly the Atlantic. 客观能力客观能力 He can't write in English. 能力能力 The passengers can't leave London this evening. 客观能力客观能力12二、二、 may, might1) 表示表示请请求和允求和允许许。

might比比 may语语气更委婉，而不是气更委婉，而不是过过去式否定去式否定回答回答时时可用可用can’t或或mustn’t，表示，表示“不可以，禁止不可以，禁止” --Might/ May I smoke in this room? -- No, you mustn’t.-- May/Might I take this book out of the room?-- Yes, you can. (No, you can’t / mustn’t. )132）用于祈使句，表示祝愿用于祈使句，表示祝愿 May you succeed!3) 表示推表示推测测、可能性（不用于疑、可能性（不用于疑问问句）might不是不是过过去式，它所表示的可能性比去式，它所表示的可能性比may小 1．．He may /might be very busy now.142. They may come tomorrow. 推测推测 可能性可能性 He may call me this evening. 推测推测 可能性可能性 It may be very hot this summer. 推测推测 可能性可能性She may be in the bookstore now. 推测推测 可能性可能性You may do your homework tomorrow. 允许允许15三、三、 must, have to1) 表示必表示必须须、必要。

必要 You must come in time.在回答引出的在回答引出的问问句句时时，如果是否定的，不能用，如果是否定的，不能用mustn’t（禁止，不准），而用（禁止，不准），而用needn’t, don’t have to（不必）（不必）.-- Must we hand in our exercise books today?-- Yes, you must.-- No, you don’t have to / you needn’t.162) must是是说话说话人的人的主主观观看法看法，， 而而have to则则强强调调客客观观需要需要Must只有一般只有一般现现在在时时，， have to 有更有更多的多的时态时态形式 The play isn’t interesting, I really must go now. I had to work when I was your age.3) 表示推表示推测测、可能性（只用于肯定的、可能性（只用于肯定的陈陈述句）述句） You’re Tom’s good friend, so you must know what he likes best.　　173. Pilots must adjust to constant changes in time. 必须必须 We must get to London before 7 a.m. 主观看法主观看法 You must stay at home all day. 必须必须 The doctor must be in the office now. 推测推测 The man with a hat must be Tom. 推测推测18四四、、 should1) should表示表示“应该应该”。

I should help her because she is in trouble.2) 表示表示劝劝告、建告、建议议和命令 You should go to class right away. Should I open the window?　　　　193) 表示推表示推测测should (客客观观推推测测), must(主主观观推推测测)　　1.He must be home by now. (断定他已到家断定他已到家)2.He ought should be home by now.(不太肯定不太肯定)205. You should tell him about it. 应该应该 They should clean the house every weekend. 劝劝告、建告、建议议和命令和命令We should go to the meeting on time（准（准时时））. 应该应该 She shouldn't leave her baby alone. 劝劝告、建告、建议议和命令和命令He shouldn't stay at home all day. 劝劝告、建告、建议议和命令和命令214. Can l go to the party tonight? -Yes, you can - No, you can'tMay l sit here? -Yes, please. -Sorry, I'm afraid not.Must we leave New York at six? -Yes, you must -No, you needn'tMay I take the book out of the reading room? -Yes, you may -No, you mustn't22231. Can/can't 2. May 3.must 4.Must/ needn't/may 5.Can/May 6.may 7.would 8.must 9.would 10.can 24251. / the 2. the /3. an a 4. the 5. the 6. a/ the/the 7./ the8./ 9. an the the 10.an the26DialogueRead the following dialogue.Could I Speak to Jim, Please?A: Hello, 3328531. B: Oh hello, Sally. This is Dave Thomas here. Could I speak to Jim, please?A: I'm afraid he's not in at the moment, Dave. He went out about an hour ago and he's not back yet.27 B: Any idea when he might be back?A: Well, he shouldn't be long. He said he was just going to some paint. But I wouldn't be surprised if he's stopped off at the pub on the way back. B: Well, tell him I've called, will you? I'll try again later. A: All right. Goodbye, Dave. B: Thanks then, Sally. Goodbye.28A你好！你好！3328531.B：你好，：你好，Sally.这是这是Dave Thomas. 我能和我能和Jim通通话吗？话吗？A：我恐怕他这会不在。

他一小时之前出去还没回来我恐怕他这会不在他一小时之前出去还没回来B：知道他什么时候回来吗？：知道他什么时候回来吗？A：应该不会太久他说他出去买点涂料但如果他中间：应该不会太久他说他出去买点涂料但如果他中间路过酒吧进去坐坐，我一点不吃惊路过酒吧进去坐坐，我一点不吃惊B：好的，请告诉他我打过，好吗？我待会会再打好的，请告诉他我打过，好吗？我待会会再打A：好的，再见，：好的，再见，Dave.B: 那谢谢了那谢谢了Sally.再见！再见！29Use the dialogue as a model, and make your own dialogues.A: Hello,____．．B: Hello, this _____________ here. Could I speak to________?A: I'm afraid he / she __________. .B: Well, tell him / her __________.. .A: All right. Goodbye.B: __________.301. I'm afraid Jane is not in at the moment.2. Any idea what he is going to do tonight?3.Amodern airline flies much faster than sound.4.Will you be able to come to come tomorrow?5. The bus will stop here.31Text Air Travel A modern airliner flies much faster than sound. A passenger can leave London at noon and get to New York at ten that same morning!32 There is a five-hour time difference between the two cities and the airliner can fly the Atlantic in only three hours. 33That evening the passenger will feel it is time to go to bed, but at that time it is only six in 插入语插入语New York, and the evening will only just begin. Pilots must adjust to constant changes in time. This causes many kinds of problems.34 Air travel is getting faster all the time. Engineers say that soon people will be "shot" to their destinations in big rockets. These rockets will be able to carry 170 passengers at a time.35Reading ComprehensionAnswer the following questions according to the text.1. Can a passenger leave London at noon and get to New York at ten that same morning? Yes, he can.2. What is the time difference between London and New York? Five-hour.363. How many passengers can these rockets carry at a time? 170 passengers.4. Do you like to travel by modern airliner? Why or why not? Yes, I do. It is rather fast. No, I don't. It's uninteresting.3738Reading Practice The SaharaThe Sahara is the largest desert in the world, 主句主句1,000 miles from north to south and 3,000 miles from east to west.39But you mustn't think of it as a “sea of sand”. There are plains of hard sands and plateaus with dried-up water courses, and there are mountain ranges.40But there are places with plenty of underground water.（（ Where underground water comes to the 地点状语从句地点状语从句surface））, there are trees. 主句主句41There you will find lots of date palms, and people also grow millet and vegetables. There the tired traveler takes a rest under the shady trees and has a good drink of its clean well water.42The Sahara has a very important mineral—oil. This makes the Sahara rich and important. 43感感感感谢谢谢谢您您您您的的的的关关关关注注注注4445。