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2019-2020年高中英语Cyberspace教案1 北师大版必修2Teaching aims:To use the title of a text to predict the content.To practise using vocabulary of cyberspace.To practise using will and going to to talk and write about the future.Teaching difficulties: To revise Present Simple and Present Continuous.Teaching Aids: puter and cassetteTeaching procedures: . Warming up What puters and internet bring us?convenient, high efficientpared to 20 years ago how do you think technology will change our lives?For example: Go shopping on line.Neednt carry cash and use credit cards.Instead of going to the bank you can use a puter and a telephone to pay for bills.1. Imagine what happens in the next twenty years? 2. Is it possible that the puter 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 warming * virtual realityRead the article quickly and check your guess to question 2 above.1. With the development of puters, our life may change in shopping and municating ways2. The text infers to us that worry is not necessary and puters and the Internet only do good to us.3. Some experts say in the future we will not go to school in the classroom like us.4. 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 mail will be replaced by puter.Keys: T F T F T TLearning 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 secret2. The use of puters to make situations feel and look real.3. have an accident by violently hitting something.4. some who does terrible things to harm countries, governments and people.5. puter system that allows millions of people around the world to share information6. A terrible situation in which everything goes wrongKeys: 1. hacker 2. virtual reality 3. crash 4. terrorist 5. the Net (Internet) 6. chaosCorrect error1. In the last thirty years, the Internet grew rapidly.2. Terrorist may “attack” the worlds puters, cause chaos, make planes and trains crash.3. It is convenient to order tickets from the internet.4. In 1983, there were only 200 puters connect to the Internet.5. It is clear we can use internet to do all kinds of things at home.6. Personally, Im optimistic about the future of internet.7. As society develops, puters will make our life much convenient.8. The mail service may also disappear as the increasing use of e-mail. Keys: 1. grew 改为 has grown 2. make前加and 3. order 改为book 4. connect改为connected 5. clear后加that 6. of 后加the 7. much 改为more 8. as 改为withWe 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.Hacker can get into the puters of banks and government so that change data or steal away important information.Terrorists will attack the worlds puters, cause chaos, make planes and trains crash even and cause nuclear war.Voice your opinionDo you feel pessimistic or optimistic about the future of the Internet? Why?Language points1. In 1983, there were only 200 puters connected to the Internet.= which were connected to the Internet.puter 和connect 是被动关系,因此connected to 是过去分词做定语来修饰puter,相当于一个定语从句。It is surprising that there were 3oo gold coins buried underground. 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/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 clear 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 puters with sounds and pictures that make you feel as if you 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 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。Language StudyPredictions 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) expresses our opinions and beliefs about the future?1. , 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 reality will bee part of modern life, Keys: 1. a 2. b 3. bGrammar Summary 1, on p92.1. Youre planning to buy a puter. 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) The USA is going to lose.Keys: 1. a 2. bplete the text with going to or willEarth 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, Changes 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)_bee more dangerous in the future. We have to take immediate action, or I fear that life on Earth (5)_get worse.”Keys: 1. is going to 2. are going to 3. are going to 4. will 5. will1. 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.Language in UseWork in pairs. Student A is a pessimist and Student B is an optimist. Make predictions about life by the year 2050.Homework:Page 55 exercise 4, 5 and 6
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