2019-2020年高中英語《Cyberspace》教案1 北師大版必修2.doc
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2019-2020年高中英語《Cyberspace》教案1 北師大版必修2 Teaching 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 cassette Teaching procedures: Ⅰ. Warming up What puters and internet bring us? convenient, high efficient pared to 20 years ago how do you think technology will change our lives? For example: Go shopping on line. Needn’t 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 reality Read 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 ways 2. 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 needn’t 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 T Learning vocabulary Match the vocabulary from the text below with the definitions. hacker, chaos, terrorist, the Net (Internet), virtual reality, crash 1. a person who enters other people’s puter programmes in secret 2. 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 information 6. A terrible situation in which everything goes wrong Keys: 1. hacker 2. virtual reality 3. crash 4. terrorist 5. the Net (Internet) 6. chaos Correct error 1. In the last thirty years, the Internet grew rapidly. 2. Terrorist may “attack” the world’s 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, I’m 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 改為 has grown 2. make前加and 3. order 改為book 4. connect改為connected 5. clear后加that 6. of 后加the 7. much 改為more 8. as 改為with 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. Hacker can get into the puters of banks and government so that change data or steal away important information. Terrorists will attack the world’s puters, cause chaos, make planes and trains crash even and cause nuclear war. Voice your opinion Do you feel pessimistic or optimistic about the future of the Internet? Why? Language points 1. In 1983, there were only 200 puters connected to the Internet. = which were connected to the Internet. puter 和connect 是被動(dòng)關(guān)系,因此connected to 是過去分詞做定語來修飾puter,相當(dāng)于一個(gè)定語從句。 It is surprising that there were 3oo gold coins buried underground. =which were buried underground. 真是令人驚奇,地下埋了300 枚金幣。 There are so many people watching the big fire in the street. =who watched the big fire in the street. People 和watching 是主動(dòng)關(guān)系watching 是現(xiàn)在分詞做定語表主動(dòng)來修飾people 相當(dāng)于定語從句。 2.Some experts are pessimistic about the future. 一些科學(xué)家對(計(jì)算機(jī)主宰的)未來表現(xiàn)出悲觀的態(tài)度。 be pessimistic/optimistic about 對…悲觀/樂觀 I’m rather pessimistic about the present situation. 我對目前的局勢感到悲觀。 3. It is clear that we are going to see an explosion of shopping on the Internet. 很顯然,不遠(yuǎn)的將來我們就會(huì)看到網(wǎng)上購物的狂潮。 It作形式主語,真實(shí)主語是 that引出的主語從句。 = 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 Earth’s climate will change. = That in the next few years the Earth’s climate will change. 4. ..the use of puters with sounds and pictures that make you feel as if you are in a real situation. (虛擬世界)是計(jì)算機(jī)通過聲音和圖像模擬現(xiàn)實(shí),以使人感到仿佛置身于一個(gè)真實(shí)的空間。 as if 連詞,仿佛, 好像 It sounds as if she’s been really ill. 聽上去好像她真的病了。 5. We have to take immediate action. 我們得馬上采取行動(dòng)。 take action 采取行動(dòng)。 We must take actions to prevent the spread of disease. 我們必須采取行動(dòng)防止疾病的傳播。 Language Study Predictions will and be going to Read the following sentences from the text. In pairs, decide which a) 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. b Grammar Summary 1, on p92. 1. You’re planning to buy a puter. a) I hope it will be cheap. b) It is going to be cheap. 2. It’s 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. b plete 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 Earth’s climate(1)_________ change . I’m 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 people’s 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. will 1. The cars are going to crash. 2. She’s going to have a baby. 3. He’s going to walk into the bus stop. 4. The house is going to fall into the sea. Language in Use Work 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- 1.請仔細(xì)閱讀文檔,確保文檔完整性,對于不預(yù)覽、不比對內(nèi)容而直接下載帶來的問題本站不予受理。
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