最新北师大高一必修2Unit-4教学课件Lesson1.ppt

1、Lesson 1 Tomorrows WorldModern technology(现代科技）现代科技）helps us do many things.Digital Cameras 数码相机数码相机MP3computersrobots(机器人）机器人）the Internetcellphones(无线电话）无线电话）CD(Compact Disc)光盘光盘DVD(Digital Video Disc)数字化视频光盘数字化视频光盘Pre-readingsmartconvenientmulti-functionalsend SMS,call,alarm clock,games,take phot

2、os,mp3,go on linetypical cellphoneOnly for callsHave you ever seen such a camera?Digital cameragramophonemp3disc manCan you imagewhat a computerlooks like in the 1980s?But in the 21st century,communicate by e-mailget new films on the Internethave virtual reality schoolsget all our entertainment on t

3、he Internethave an Internet connection in every room of the home1.Why did things change so much?2.Imagine what happens in the next twenty years.3.What do you think the computer gives us?Advantage or disadvantage for our life?But modern technology(现代科技）现代科技）can also cause problems.Work in small group

4、s of 4 and discuss:Group 1:the advantages(优点）优点）of robotsGroup 2:the disadvantages（不足）（不足）of robotsGroup 3:the advantages of computersGroup 4:the disadvantages of computers Advantages Disadvantages1.Robots can work in dirty and dangerous places.2.Robots can work without sleep and food.1.Robots cant

5、think or make decisions.2.People may lose jobs if robots are used instead of humans.Robots Advantages Disadvantages1.Computers are expensive.2.Computers cant think or make decisions.1.Computers help us work faster.2.Computers can help us solve difficult problems.Computersaffectrapidlygrowthpessimist

6、ichackeroptimisticn.影响影响adv.快，迅速地快，迅速地n.生长生长adj.悲观的悲观的,厌世的厌世的n.电脑黑客电脑黑客adj.乐观的乐观的Words previewLesson 1crimecriminalterroristattackchaoscrashn.犯罪，罪行犯罪，罪行n.罪犯罪犯n.恐怖分子恐怖分子n.&vt.进攻，攻击进攻，攻击n.混乱，无秩序混乱，无秩序vt.使猛撞，使撞毁使猛撞，使撞毁Words previewLesson 1offerentertainmentdisappearas ifharmobviousdestructionn.提供，提议提供，

7、提议n.娱乐，款待娱乐，款待vi.消失消失 好象，仿佛好象，仿佛vt.&n.伤害，损害伤害，损害adj.明显的明显的,显而易见的显而易见的n.破坏，毁灭破坏，毁灭Words previewLesson 1Look at the title of the article.Which of these topics do you think the article will mention?*the Internet *artificial human *time travel *robots *global warming *virtual realityPre-readingRead the

8、article and match the vocabulary from the text with the definitions.hacker,chaos,terrorist,the Net(Internet),virtual reality,crashFast reading1.a person who enters other peoples computer programmes in secrethacker2.The use of computers to make situations feel and look real virtual reality3.have an a

9、ccident by violently hitting something 4.someone who does terrible things to harm countries,governments and puter system that allows millions of people around the world to share information the Net6.a terrible situation in which everything goes wrongchaos1.In spite of the development of computers,it

10、 is unlikely to live in virtual reality.2.The text infers to us that worry is necessary and computers and the Internet may do bad to us.3.It is certain that in the future we will not go to school in the classroom like us.4.According to the text,it is possible that people live in another world of out

11、er space.5.In virtual reality,you can go to work but neednt go to the place yourself.6.Because of the rapid development of Internet,television and the mail disappear and are replaced by computer.Net grows rapidlyThe future of cyberspaceCrime comes about unavoidablyGreat convenienceLive in virtual re

12、alityCareful readingTake out a sheet of paper.Work in groups of 4 and write down the structure of the passage.(文章的写作结构）文章的写作结构）Tips:（提示）从文章的两类人的观点着手。提示）从文章的两类人的观点着手。1.Why are some experts pessimistic(悲悲观的）观的）about the future of the Internet?2.Why are some people optimistic（乐乐观的）观的）about the future o

13、f the Internet?pessimistichackersCyber terroristsnowin the futurecriminaloptimisticin the future virtual realityworkshopstudyget entertainment TV&postal servicewill disappearalreadyin the next few yearsshop on the Internetget informationbuy booksfind out holiday offersbook ticketsHow dothe computera

14、nd the Netare going to affect our life.The structure of the passage (文章的写作结构）文章的写作结构）bad:pessimistic(悲观的）悲观的）good:optimistic（乐观的）（乐观的）Topic Sentence（中心句）（中心句）a)Pessimistic opinions b)Virtual reality c)Optimistic opinions d)The growth of the Internet2431Match the paragraphs with these headings.Post-r

15、eadingCorrection1.In the last thirty years,the Internet grew rapidly.2.Terrorists may“attack”the worlds computers,cause chaos,make planes and trains crash.3.It is convenient to order tickets from the Internet.4.In 1983,there were only 200 computers connect to the Internet.has grownandbookconnected5.

16、It is clear we can use the Internet to do all kinds of things at home.6.Personally,Im optimistic about the future of Internet.7.As society develops,computers will make our life much convenient.8.The mail service may also disappear as the increasing use of e-mail.thatthemorewithAfter reading the arti

17、cle,discuss:What will you do to bring both machines and people together and make the world beautiful again?Get one to report the opinions of yourgroup members!Creation and Speaking Discussion1.One worry is crime in cyberspace.2.Young hackers can get into the computers of banks and governments.3.Terr

18、orists“attack”the worlds computers,cause chaos,and make planes and trains crash.Why are some experts pessimistic about the future?1.The use of computers with sounds and pictures that make you feel as if you are in a real situation.2.Virtual reality will become a part of modern life.People live and w

19、ork in virtual offices,shop in virtual supermarkets and study in virtual schools.How is our future in virtual reality?The Internet has grown r_in the last thirty years and is going to a_ our lives greatly.Some experts are pessimistic about the future,worrying the c _ brought about by the rapid devel

20、opment of cyberspace.ClozeapidlyffectrimeHowever,people just cant deny the great advantages and convenience the Internet has o _ to us.In the future,people may live,work and even study in v_ _.fferedirtual realityLanguage points1.affect our lives 影响着我们的生活影响着我们的生活 affect vt.to have an influence on sb

21、.or sth.,or to cause them to change:Both buildings were badly affected by the fire.The divorce affected every aspect of her life.Its a disease which affects mainly older people.effect n.the result of a particular influence:The radiation leak has had a disastrous effect on/upon the environment.I trie

22、d taking tablets for the headache but they didnt have any effect.I think Im suffering from the effects of too little sleep.last adj.,adv.,pron.(being)the most recent or the one before the present one:Did you hear the storm last night(=during the previous night)?Did you see the news on TV last night(

23、=yesterday evening)?2.in the last thirty years 在最近三十年间在最近三十年间They got married last November.When was the last time you had a cigarette?When did you last have a cigarette?Shes been working there for the last month(=for the four weeks until now).The/These last five years have been very difficult for h

24、im.The last time we heard of her,she was working as an English teacher in France.Each of her paintings has been better than the last.attack n.1 a violent act intended to hurt or damage sb.or sth.:Enemy forces have made an attack on the city.These bomb blasts suggest that the terrorists are(going)on

25、the attack(=trying to defeat or hurt other people)again.3.attack the worlds computers 向世界向世界计算机发起攻击计算机发起攻击2 when you say sth.to strongly criticize sb.or sth.:The government has come under attack from all sides for cutting education spending.3 the part of a team in some sports which tries to score po

26、ints:The team has a strong attack,but its defence is weak.attack v.1 to try to hurt or defeat using violence:He was attacked and seriously injured by a gang of youths.Army forces have been attacking the town since dawn.Most wild animals wont attack unless they are provoked.2 to criticize sb.strongly

27、:She wrote an article attacking the judges and their conduct of the trial.The report attacks the idea of exams for 7-and 8-year-olds.3 If sth.,such as a disease or a chemical,attacks sth.,it damages it:AIDS attacks the bodys immune system.4.be pessimistic about 对对悲观悲观The tone of the meeting was very

28、 pessimistic.The doctors are pessimistic(=not hopeful)about his chances of recovery.be optimistic about 对对乐观乐观She is optimistic about her chances of winning a gold medal.5.find out holiday offers 查找节日特惠价查找节日特惠价offer:n.a reduction of the price of sth.in a shop for a short time本周他们特价售货，买二增一。本周他们特价售货，买

29、二增一。They have a special offer this weekbuy two,get one free.橄榄油本周降价出售。橄榄油本周降价出售。Olive oil is on offer this week.6.a huge growth of shopping on the Net 网上购物大增长网上购物大增长growth n.1 U The growth of a person,animal or plant is its process of increasing in size:A balanced diet is essential for healthy growt

30、h.Plant growth is most noticeable in spring and early summer.2 U an increase in the size or the importance of sth.:The government is trying to limit population growth.The rapid growth of opposition to the plan has surprised the council.Electronic publishing is a growth area(=an area of activity that

31、 is increasing in size and developing quickly).7.get entertainment 进行娱乐活动进行娱乐活动entertainment n.shows,films,television,or other performances or activities that entertain people,or a performance of this type:Theres not much in the way of entertainment in this town-just the cinema and a couple of pubs.

32、This seasons entertainments include five new plays and several concerts of Chinese and Indian music.service station/services service industry service chargemilitary service domestic servicein-service training a self-service salad bar8.mail service邮政服务邮政服务(高速公路高速公路)服务区服务区服务业服务业服务费服务费服兵役服兵役家政服务家政服务在职培

33、训在职培训自助沙拉自助沙拉1.The new law will be put into _ next month.Do you think it will _ your life?A.effect;affect B.effect;effect C.affect;affect D.affect;effect2.你把这根电线和电视机连上好吗？你把这根电线和电视机连上好吗？Will you _ this wire _ the television?3.这个人与那宗犯罪有关。这个人与那宗犯罪有关。This man _ _ _ the crime.Aconnectto/withis connected

34、with4.尽管我们有许多困难，但我们应当乐观尽管我们有许多困难，但我们应当乐观地对待生活。地对待生活。We should be _ _ our life _ we are in great trouble.5.-Five dollars.Thats my last _.-All right.Thats a deal.A.opportunity B.amount C.support D.offeroptimisticaboutthoughD名词：出价名词：出价/提供的帮助提供的帮助6.When he heard our difficulty,he_to help.A.offered B.sug

35、gested C.supported D.said7.How beautiful this picture is!It looks _ the butterflies in it were flying to us.A.as if/though B.that C.like D.if AAoffer sth.to(介词）介词）sb.向某人提供某物向某人提供某物offer to do（不定式）不定式）sth.主动去做主动去做通常用在通常用在 look,seem,sound,taste,smell,feel等连系动词后。等连系动词后。1.气候气候影响了影响了他的健康。他的健康。The climate

36、 affected his health.2.敌人在夜里向我们敌人在夜里向我们进攻进攻。The enemy attacked us at night.3.他对未来他对未来感到悲观感到悲观。He is pessimistic about the future.Predictions will and be going toRead the following sentences from the text.In pairs,decide whicha)talks about a future event we can predict from a present situation?b)expr

37、esses our opinions and beliefs about the future?Language Study1.,it is clear that we are going to see an explosion of shopping on the Internet.2.She also believes that,in the future,we will get entertainment from the Internet and that television will probably disappear.3.Personally,I think virtual r

38、eality will become part of modern life,abbWhich comment is better in each situation?1.Youre planning to buy a computer.a)I hope it will be cheap.b)It is going to be cheap.2.Its the last ten minutes of a basketball match between Russia and the USA.The score is 102:56 to Russia.a)The USA will lose.b)T

39、he USA is going to lose.a)I hope it will be cheap.b)The USA is going to lose.be going towilltalks about a future event we can predict from a present situationexpresses our opinions and beliefs about the future表示某人打算做某事表示某人打算做某事主观意愿主观意愿叙述某事将要发生叙述某事将要发生客观的叙述客观的叙述Complete the text with be going to or w

40、illEarth Report!Dr Carl Wight is an expert on the environment.He speaks to our reporter.“It is clear that in the next few years the Earths climate(1)_ change.Im afraid that this probably means that many kinds of animals,such as the South China tiger,(2)_ disappear soon.is going to are going toChange

41、s in climate(3)_certainly affect peoples lives too.Because of global warming,the sea has already destroyed parts of Britain.It is obvious that this destruction(4)_become more dangerous in the future.We have to take immediate action,or I fear that life on Earth(5)_get worse.”are going towillwill1.我将会

42、尽力而为。我将会尽力而为。I will do my best.2.他现在已讲了近一个小时了。他准备什他现在已讲了近一个小时了。他准备什么时候闭嘴呢？么时候闭嘴呢？Hes been speaking now for nearly an hour.When is he going to shut up?3.不久大家知道了彼得和艾丽斯将要结婚不久大家知道了彼得和艾丽斯将要结婚的消息。的消息。It soon came out that Peter and Alice were going to get married.1.How can I apply for an online course?Jus

43、t fill out this form and we _ what we can do for you.A.see B.are seeing C.have seen D.will see2.If their marketing plans succeed,they _ their sales by 20 percent.A.will increase B.have been increasingC.have increased D.would be increasingLanguage in UseMake predictions about life by the year 2050.Ex

44、ample:A:The earth is going to become more crowded and we are going to have more problems with traffic.B:No,I dont agree.I think there will be no traffic problems by the year 2050 because many of us will be working at home using computers.HomeworkWriting:Do you feel pessimistic or optimistic about the future of the Internet?Why?