零起点大学英语基础教程第二册Unit .pptx

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1、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(充满活力充满活力).第1页/共44页New Words1.same a.同样的；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

2、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.第2页/共44页2.adjust v.调整；适应 Will you please adjust the watch for me?Its slow.能帮我调下表吗？它走的慢了。能帮我调下表吗？它走

3、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。第3页/共44页3.pub n.（英国）酒吧；客栈 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

4、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。第4页/共44页第5页/共44页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 第6页/共44页第7页/共44页1.1.surprised 2.adjust

5、 to 3.difference4.caused5.traveled6.shoot7.flew 8.constant9.stopped10.changed第8页/共44页Grammar情态动词的基本用法归纳情态动词有can(could),may(might),must,have to,shall(should,will(would),dare(dared),need(needed),ought to等。情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语。情态动词情态动词+V原原一、can,could1)表示能力（体力、知识、技能）。Can you lift this heav

6、y box?（体力）Mary can speak three languages.（知识）Can you skate?（技能）第9页/共44页2)表示请求和允许。-Can I go now?-Yes,you can./No,you cant.3)表示客观可能性（客观原因形成的能力）。Theyve changed the timetable,so we can go by bus instead.4)表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。Can this be true?This cant be done by him.第10页/共44页1.I can speak

7、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 cant write in English.能力能力 The passengers cant leave London this evening.客观能力客观能力第11页/共44页二、may,might1)表示请求和允许。might比 may语气更委婉，而不是过去式。否定回答时可用cant或mustnt，表示“不可以，禁止”。-Might/May I smoke in this room?-No,you

8、 mustnt.-May/Might I take this book out of the room?-Yes,you can.(No,you cant/mustnt.)第12页/共44页2）用于祈使句，表示祝愿。May you succeed!3)表示推测、可能性（不用于疑问句）。might不是过去式，它所表示的可能性比may小。1He may/might be very busy now.第13页/共44页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

9、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.允许允许第14页/共44页三、must,have to1)表示必须、必要。You must come in time.在回答引出的问句时，如果是否定的，不能用mustnt（禁止，不准），而用neednt,dont have to（不必）.-Must we hand in our exercise books today?-Yes,you must.-No,you dont have to/

10、you neednt.第15页/共44页2)must是说话人的主观看法，而have to则强调客观需要。Must只有一般现在时，have to 有更多的时态形式。The play isnt interesting,I really must go now.I had to work when I was your age.3)表示推测、可能性（只用于肯定的陈述句）Youre Toms good friend,so you must know what he likes best.第16页/共44页3.Pilots must adjust to constant changes in time.

11、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.推测推测第17页/共44页四四、should1)should表示“应该”。I should help her because she is in trouble.2)表示劝告、建议和命令。You should go to class right away.Should I open t

12、he window?第18页/共44页3)表示推测should(客观推测),must(主观推测)。1.He must be home by now.(断定他已到家)2.He ought should be home by now.(不太肯定)第19页/共44页5.You should tell him about it.应该应该 They should clean the house every weekend.劝告、建议和命令We should go to the meeting on time（准时）.应该应该 She shouldnt leave her baby alone.劝告、建议

13、和命令He shouldnt stay at home all day.劝告、建议和命令第20页/共44页4.Can l go to the party tonight?-Yes,you can -No,you cantMay l sit here?-Yes,please.-Sorry,Im afraid not.Must we leave New York at six?-Yes,you must -No,you needntMay I take the book out of the reading room?-Yes,you may -No,you mustnt第21页/共44页第22页

14、/共44页1.Can/cant 2.May 3.must 4.Must/neednt/may 5.Can/May 6.may 7.would 8.must 9.would 10.can 第23页/共44页第24页/共44页1./the 2.the /3.an a 4.the 5.the 6.a/the/the 7./the8./9.an the the 10.an the第25页/共44页DialogueRead the following dialogue.Could I Speak to Jim,Please?A:Hello,3328531.B:Oh hello,Sally.This is

15、 Dave Thomas here.Could I speak to Jim,please?A:Im afraid hes not in at the moment,Dave.He went out about an hour ago and hes not back yet.第26页/共44页 B:Any idea when he might be back?A:Well,he shouldnt be long.He said he was just going to some paint.But I wouldnt be surprised if hes stopped off at th

16、e pub on the way back.B:Well,tell him Ive called,will you?Ill try again later.A:All right.Goodbye,Dave.B:Thanks then,Sally.Goodbye.第27页/共44页A你好！3328531.B：你好，Sally.这是Dave Thomas.我能和Jim通话吗？A：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？A：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。B：好的，请告诉他我打过电话，好吗？我待会会再打。A：好的，再见，Da

17、ve.B:那谢谢了Sally.再见！第28页/共44页Use the dialogue as a model,and make your own dialogues.A:Hello,_B:Hello,this _ here.Could I speak to_?A:Im afraid he/she _.B:Well,tell him/her _.A:All right.Goodbye.B:_.第29页/共44页1.Im afraid Jane is not in at the moment.2.Any idea what he is going to do tonight?3.Amodern a

18、irline flies much faster than sound.4.Will you be able to come to come tomorrow?5.The bus will stop here.第30页/共44页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!第31页/共44页 There is a five-hour time diffe

19、rence between the two cities and the airliner can fly the Atlantic in only three hours.第32页/共44页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 caus

20、es many kinds of problems.第33页/共44页 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.第34页/共44页Reading ComprehensionAnswer the following questions according to the te

21、xt.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.第35页/共44页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

22、not?Yes,I do.It is rather fast.No,I dont.Its uninteresting.第36页/共44页第37页/共44页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.第38页/共44页But you mustnt think of it as a“sea of sand”.There are plains of hard s

23、ands and plateaus with dried-up water courses,and there are mountain ranges.第39页/共44页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.主句主句第40页/共44页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.第41页/共44页The Sahara has a very important mineraloil.This makes the Sahara rich and important.第42页/共44页感谢您的关注第43页/共44页感谢您的观看！第44页/共44页