福建省晋江市首峰中学高中英语必修二教学课件：UNIT 4 LESSON 1.ppt

1、北师大版高一(2)Unit 4Lesson 1Lesson 1Tomorrows WorldTomorrows WorldWhat computers and internet bring us?convenient,high efficientFor example:Go shopping online.Neednt carry cash and use credit cards.Compared to 20 years ago how do you think technology will change our lives?Instead of going to the bank you

2、 can use a computer and a telephone to pay for bills.1.Imagine what happens in the next twenty years?2.Is it possible that the computer gives us disaster?Look at the title of the article.Which of these topics do you think it will mention?*the Internet *artificial human *time travel *robots *global w

3、arming*virtual realityRead the article quickly and check your guess to question 2 above.1.With the development of computers,our life may change in shopping and communicating ways.2.The text infers to us that worry is not necessary,computers and the Internet only do good to us.3.Some experts say in t

4、he future we will not go to school in the classroom like us.True or FalseTFT4.In the future it is possible that people live in another world of outer space.5.The text tell us you can do many things but neednt go to the place yourself.6.Because of the rapid development of Internet television and the

5、mail will be replaced by computer.FTTLearning vocabularyMatch the vocabulary from the text below with the definitions.hacker,chaos,terrorist,the Net(Internet),virtual reality,crash1.a person who enters other peoples puter programmes in secrethacker2.The use of computers to make situations feel and l

6、ook real 3.have an accident by violently hitting something 4.some who does terrible things to harm countries,governments and peoplevirtual puter system that allows millions of people around the world to share information 6.A terrible situation in which everything goes wrongthe Net(Internet)chaos1.In

7、 the last thirty years,the Internet grew rapidly.2.2.Terrorist may“attack”the worlds puters,cause chaos,make planes 4.and trains crash.5.3.It is convenient to order tickets from 6.the internet.has grownandbookCorrect error4.In 1983,there were only 200 computers connect to the Internet.5.It is clear

8、we can use internet to do all kinds of things at home.6.Personally,Im optimistic about the future of internet.connectedthatthe7.As society develops,computers will make our life much convenient.8.The mail service may also disappear as the increasing use of e-mail.morewith1.What possible changes do so

9、me experts believe the internet can bring to our lives?Questions:We can feel convenient,we can do all kinds of things from the Internet at home,such as buy books,find out about holiday offers,book tickets and so on.Some traditional things will disappear.We may live in a virtual world.2.Why are some

10、experts pessimistic about the future?Hacker can get into the computers of banks and government so that change data or steal away important information.Terrorists will attack the worlds computers,cause chaos,make planes and trains crash even and cause nuclear war.Voice your opinion Do you feel pessim

11、istic or optimistic about the future of the Internet?Why?Language points1.In 1983,there were only 200 computers2.connected to the Iputer 和connect 是被动关系,因此connected to 是过去分词做定语来修饰computer,相当于一个定语从句。=which were connected to the Internet.It is surprising that there were 3oo gold coins buried undergroun

12、d.=which were buried underground.真是令人惊奇,地下埋了300 枚金币。There are so many people watching the big fire in the street.=who watched the big fire in the street.People 和watching 是主动关系watching 是现在分词做定语表主动来修饰people 相当于定语从句。2.Some experts are pessimistic about the future.一些科学家对(计算机主宰的)未来表现出悲观的态度。be pessimistic

13、/optimistic about 对悲观/乐观Im rather pessimistic about the present situation.我对目前的局势感到悲观。.3.It is clear that we are going to see an explosion of shopping on the Internet.很显然,不远的将来我们就会看到网上购物的狂潮。It作形式主语,真实主语是 that引出的主语从句。=that we are going to see an explosion of shopping on the Internet is clear.It is cl

14、ear that in the next few years the Earths climate will change.=That in the next few years the Earths climate will change.4.the use of computers with sounds and pictures that make you feel as ifyou are in a real situation.(虚拟世界)是计算机通过声音和图像模拟现实,以使人感到仿佛置身于一个真实的空间。as if 连词,仿佛,好像It sounds as if shes been

15、 really ill.听上去好像她真的病了。5.We have to take immediate action.我们得马上采取行动。take action 采取行动We must take actions to prevent the spread of disease.我们必须采取行动防止疾病的传播。Predictions will and be going toRead the following sentences from the text.In pairs,decide which.a)talks about a future event we can predict from

16、a present situation?b)expresses 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.Pe

17、rsonally,I think virtual reality willbecome part of modern life,abbWhich comment is better in each situation?1.Youre planning to buy a computer.2.a)I hope it will be cheap.3.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 R

18、ussia.a)The USA will lose.b)The USA is going to lose.a)I hope it will be cheap.b)The USA is going to lose.Complete the text with going to or will.Earth 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

19、.Im afraid that this probably means that many kinds of animals,such as the South China tiger,(2)_ disappear soon,is going toare going toChanges 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 destructio

20、n(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.The cars are going to crash.2.Shes going to have a baby.3.Hes going to walk into the bus stop.4.The house is going to fall into the sea.Ex.10 on P9:Page 55 exercise 4,5 and 6Page 55 exercise 4,5 and 6Homework