教案E英语2 unit 4

Unit 41. Teaching objectives：(1)Knowledge objectives: students can master some key words and expressions of the text. Students can acquire more about the future simple tense & the future-in-the-past tense.Students can learn how to develop a paragraph by process.(2)Ability objective: students listening, speaking, reading and writing abilities can be improved. cultivate students ability to discover, analyze and solve problems.(3)Emotional objectives:cultivate students awareness to environmental pollution and help them to realize the importance of protecting our earth.2. Teaching key points: help the students have a better understanding of the future simple tense and the future-in-the past tense.3. Teaching difficult points: enable students to listen for time in conversations and know how to talk about responsibilities.4.Teaching ProcedurePart One Listening and SpeakingStep 1. Pronunciation and listening skillsThe pronunciations of the words in brackets are difficult to distinguish. Listen carefully and check () the words you hear. ScriptsW: Please hurry up, its already five. Three quarters later my train is leaving.M: Dont worry, Madam. Ill get you there in time.Q: When is the train leaving? W: Its nine already. Why doesnt the meeting start?M: Well, the secretary says it is delayed 30 minutes.Q: When will the meeting begin? M: Could you give me some information about buses for Washington, please?W: They leave every hour. You just missed the nine oclock bus.Q: When is the next bus leaving? M: Say, what time is it? Is it really only seven-fifteen? My watch says eight-fifteen.W: You forgot to set your watch back.Q: What time is it now? M: Whats the time to leave?W: Half past five. That only leaves us 15 minutes to get to the airport.Q: When does the conversation take place? M: Its 10 oclock now. I wonder when Jack will come here.W: Just now, I got a call and his wife said he left home 30 minutes ago.Q: When did Jack leave home? Tips英语时间通常用以下两种方法表达： 1. 直接表达法 1) 用基数词 + oclock来表示整点，注意oclock须用单数，可以省略。 如：eight (oclock) (8:00)。 2) 用基数词按“钟点 + 分钟”的顺序直接写出时间，表示非整点。如：eight five (8:05)，eight forty (8:40)。 2. 间接表达法 1) 如果分钟数少于30，可用“分钟 + past + 钟点”表示，其中past是介词，意思是“过”。如：twenty past four (4:20)。 2) 如果所表示时间的分钟数多于 30，可用“（60分钟 - 分钟数）+ to +（原钟点数 + 1）”表示，其中 to 是介词，意思是“差”。如：twenty-five to nine (8:35)。注： 1) 当分钟数是 15 时，可用名词 quarter （一刻钟）表示。如：a quarter past eight (8:15)。2) 当分钟数是 30 时，可用名词 half （一半）表示。如：half past nine (9:30)。Step 2. ConversationsConversation 1 - Talking About Responsibilities1.Listen to a conversation and match the students in Column A with where they come from in Column B. ScriptsTommy, you are using too many plastic bags! Oh, but I hate to take reusable bags every time. So you take a new bag every time you buy something? Whats wrong about that? It is such a waste and bad for the environment! Dont make a fuss, Amy! Its not that serious! It is very serious! Its very harmful to the environment. You know, plastic bags arent biodegradable. Im supposed to bring my own bag every time I go shopping? You got it! Its everyones duty to protect the environment. 3.Role-play a conversation in pairs according to one of the following situations. You may refer to the Functional Language. Functional LanguageConversation 2 - Talking About Responsibilities1.Listen to a conversation and decide whether the following statements are true (T) or false (F).ScriptsHi, John, therell be a charity show next weekend. Are you interested in coming? Hi, John, therell be a charity show next weekend. Are you interested in coming? Its a concert organized by the Students Union. Its purpose is to raise funds for the children in remote areas. It sounds like youre doing something worthwhile! Yes, I think were all supposed to help those in need. So, would you like to join us? Of course. I ought to do my bit and contribute to society. But, Mary, have I got to practice very often? I have an optional course every other evening. I dont think you have to. You can practice on your own; but I think you must take part in the final rehearsal. 3.Role-play a conversation in groups of three according to one of the following situations. You may refer to the Functional Language. Functional LanguageStep 3. Passage1.Listen to a passage and complete the following table with what you hear. 2. Listen again and choose the best way to complete each of the followingScripts World Car Free Day was first started by over 30 cities in France on September 22, 1998. It was started to protect the environment. By now, more than 1,000 cities around the world have had a Car Free Day. The first Car Free Day in China was in Chengdu in 2001. Other cities including Taipei, Shanghai, and Wuhan, also support the day. In Beijing, more and more people are joining the campaign. It asks drivers to leave their cars at home for one day every month, and to walk or ride a bike to work. It also calls on Beijingers not to use cars on June 5th (the World Environment Day). The slogan for the day is, “If we drive for one less day, we can have one more nice day.” So far, more than 200,000 drivers have shown their support. They say, “We cant control the weather, but we can choose not to drive. We must do more for Car Free Day.” 3. Talk about the ways youre practicing to protect the environment. The following may be helpful.Part Two ReadingPassage A Is there life on Earth? Step 1. Lead-in1. Video appreciation2. Extended reading火星上有生命吗？有人吗？3. Pre-reading activity1. Match the following expressions with the pictures below. 2. Try to imagine what the world would be like in 100 years if the problems above were not solved.Step 2. Text study1. Text reading2. Organization of the textStructure Part I (Para. 1-2) The satellite landed on Earth has been sending back signals and photographs.Part II (Para. 3-14) Venusian scientists have come to the conclusion that the Earth is unfit for them to live. Part III (Para. 14-18 The Venusian scientists are determined to proceed with the exploration of the planet Earth. 3. Language points1. it has been sending back signals as well as photographs ever since.之后，卫星便不断地发回信号和照片。 has been doing 是现在完成进行时，其构成为：主语+助动词（have/has）+been+动词的现在分词+其他成分。表示动作从某一时间开始，一直持续到现在，或者刚刚终止，或者可能仍然要继续下去。（与since，for连用时，常常表示动作会进行下去） 自从三年前以来我一直在学英语。（动作还将继续下去）I have been learning English since three years ago.2. The satellite was directed over an area known as Manhattannamed after the great Venusian astronomer Professor Manhattan, who first discovered it with his telescope 20,000 light years ago.卫星对准的是一片叫曼哈顿的地区, 这个地区是以金星上伟大的天文学家曼哈顿教授的名字来命名的。两万光年前，曼哈顿教授用望远镜首次发现了这个地区。direct sth. at / toward sth.: 把某物对准某物机器将X光射线对准了病人的身体。The machine directs an X-ray beam at the patients sb./sth. after sb./sth.:以某人/某物的名字给某人/某物命名他被冠以他爷爷的名字起了名。He was named after his grandfather.who first discovered it 20,000 light years ago 是非限制性定语从句，修饰前面的Professor Manhattan。3. Venusian scientists were able to get valuable information as to the possibility of landing a manned flying saucer on Earth.金星科学家们得以获得了有关载人飞碟能否在地球上着陆的宝贵资料。as to: concerning:关于关于哪些学生获得奖学金的决定应当尽快做出。Decisions as to which students receive scholarship should be made quickly.对于这个短语是从哪来的，有两种说法。There are two thoughts as to where this saying came from.the possibility of doing sth.: 做某事情的可能性 年轻人拥有一套大房子的可能性通常是极其渺茫的。The possibility of owning a large house for young people is usually rare.man: v. to work at, use, or operate a system, piece of equipment, etc. 在（某系统、设备等上）工作；使用，操纵（某系统、设备等）。manned 在这里是过去分词作定语，修饰flying saucer。 4. “We have come to the conclusion, based on the satellite findings,” Professor Zog said. “There is no life on Earth.”“根据卫星上的发现，我们已经得出结论，”佐格教授说，“地球上没有生命。”be based on / upon sth: 以某物为基础。我们的关心应当以尊重和信任为基础。Our relationship should be based on respect and trust.5. For one thing, Earths surface is composed of solid concrete and nothing can grow there.首先，地球表面由坚固的混凝土构成，什么东西也无法在那里生长。for one thing for another:一个原因是，另一个原因是 我不想买这栋房子。一方面太小，另一方面价格太高。I dont want to buy this house. For one thing, it is too small; for another, the price of it is too high.6. For another, the atmosphere is filled with carbon monoxide and other deadly gases and nobody could possibly breathe this air and survive.另外，大气中充满了一氧化碳和其他致命的气体，任何人呼吸了这种空气都不可能幸存下来。be filled with: to be full of 被充满如果你嘴里满是食物的话怎么唱歌？How can you sing if your mouth is filled with food?珍的眼睛里充满泪水。Janes eyes were filled with tears.7. We dont know what it is made of, but it could give us a lot of trouble.我们还不知道它是由什么形成的，但是它会给我们带来许多麻烦。be made of: 由制成。主语为制成品，用于从制成品可直接看出原材料的情况。 风筝是纸做的。 The kite is made of paper.易与之混用的一个词组为be made from，其意思也是“由制成”，但是用在从制成品看不出原材料是什么的情况。e.g. Butter is made from milk（黄油是用牛奶制成的。）8. Over here you will notice what seems to be a river, but the satellite findings indicate it is polluted and the water is unfit to drink.这边，诸位可以看到像是一条河的东西，不过卫星探测的结果表明它已被污染，不适于饮用。be unfit to do sth.: 不适合做某事 这场病使她身体不适合飞行。The disease has left her medically unfit to fly. 9. This means we shall have to carry our own water, which will add even greater weight to the saucer.这意味着我们将不得不自己带水，这就会给飞碟增加更多的重量。add sth. to sth.: to put sth. with another thing 为某物增添某种东西 我们可以将销售税摊到这些产品的价格上。We can add sales tax to the price of these products. even: adv. used for emphasizing that although sth. is big, good, bad, etc., sth. else is bigger,better, worse, etc. 更加；愈加。用来修饰形容词比较级。 昨天天气就冷，今天更冷了。It was cold yesterday, but its even colder today. 10. There are so many of these paths and so many metal prticles that they are quite likely to get smashed when we land a flying saucer.那里有很多这样的通道，很多这样的金属微粒，飞碟在那里着陆的话，很可能把那些金属微粒撞毁。在“get smashed”这个短语中，get 作始动性连系动词，与多数都已形容词化了的过去分词连用，构成系表结构，表示状态的变化和动作的结果。别被雨淋到。Dont get caught in the rain.11. What are those pointed objects sticking up?那些笔直竖立的凸出物是什么？stick (sth.) in / up / through: 把（某物）伸进/伸上/伸入 当护士将针头扎向他的胳膊时，他把脸转向了一边。 He looked away as the nurse stuck the needle in his arm.常用词组： stick to 坚持，不放弃 stick by sb 继续支持并忠于某人 stick on sth 把某物固定在12. Yes, but we shall proceed as soon as the Grubstake gives us the added funds.是的，但是一旦创业基金组织给我们追加资金，我们就会接着推进这一计划。as soon as: 一就 ；一经 我们一到酒店就给你弄点东西吃好么? Well get you something as soon as we get to the hotel.Step 3. Exercise1. Comprehension1).Decide whether the following statements are true (T) or false (F). 2).Complete the following table. 2. Vocabulary & Structure1).Complete the following sentences with proper prepositions or adverbs. 2).Complete the following sentences with the words given below. Change the form if necessary. 3).Add the suffix “-ist” to the words given below. Then complete the following sentences with the words thus formed. 4).Combine the following sentences using the structure “If”. 3. Translation1).Translate the following sentences into Chinese.2).Translate the following Chinese sentences into English with the help of the words or phrases given in brackets. Part Three GrammarThe future simple tense (一般将来时)一般将来时表示将来某一时间的动作或状态，通常由“will + 动词原形”构成。主要用于以下几种情况： 1 表示将来要发生的动作或情况。如： 1) We will meet at the school gate. 2) She will be here at six oclock.2 用在 I think will. 这类句型中，表示看法。如： 1) I think theyll succeed. 2) I suppose they will come back.3 表示提出请求。如： 1) Will you telephone me this evening? 2) Will you type this for me?4 表示允诺。如： 1) I wont tell anybody what you said. 2) Ill be home in time for supper. 5 表示同意。如： Will you answer him? Yes, I will. 表示“将来”的其他结构包括：1 be going to + 动词原形，多用于口语中，常表示打算做某事或即将发生某事。 如：1) Tom is going to get married. 2) Its going to rain soon.2 be about to + 动词原形，表示就要发生的事。 如：The English evening is about to begin. 3 be to + 动词原形，表示安排或计划好了的事。 如：1) The boys are to go to school next week. 2) You are not to smoke in the office.另外，go，come，leave，start 等表示移动的动词，可用现在进行时表示即将发生的动作。 如：He is coming to see you tomorrow.The future-in-the-past tense (过去将来时)过去将来时表示从过去某时看将要发生的动作或事件，通常由“would + 动词原形”构成。 过去将来时主要有以下几种用法： 1 表示从过去某时看将要发生的动作或事件。如： 1) It was four oclock. Soon the Sun would come up. 2) She would go to the library when I met her yesterday afternoon. 2 这个时态常用在宾语从句中。如： 1) They thought he would finish the book the next day. 2) She never dreamed the place would be so beautiful.除“would + 动词原形”的基本形式外，还可以用 “was / were going to + 动词原形”，“was / were about to + 动词原形”，“was / were to + 动词原形” 等形式表示过去将来。如： 1) She was going to sell her old car and buy a new one. 2) They were about to arrive when it began to snow. 3) I didnt expect that we were to meet 10 years later.Grammar Exercises1.Complete the following sentences with the correct tense of the verbs in brackets.2.Choose the correct tense of the verbs in brackets to complete the following sentences.Part Four Writing- Developing a paragraph by processWarm-upWarm-up按过程展开段落是在描述一系列事件或动作时，按事件或动作发生的顺序依次描述，这种写作手法也被称之为过程描写。按过程展开段落需要注意描写过程应按照步骤依次展开。Notes此段采用按过程展开段落的方法，描述了给病人进行人工呼吸的过程。用了 first thennextafter thatlast 等连贯性词语，按