Unit-13-We-are-trying-to-save-the-earth!教案.doc

Unit 13 Were trying to save the earth!說課稿25團(tuán)中學(xué) 徐銘敏一、教學(xué)目標(biāo)：1. 語言知識(shí)目標(biāo)基本詞匯：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, industry, law, scientific, afford, reusable, transportation, recycle, metal, creativity, 基本詞組：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth. to good use, pull down, bring back基本句型：Were trying to save the earth! The river used to be so clean. The air is badly polluted. No scientific studies have showed that shark fins are good for health. We should help save the sharks. 2. 技能目標(biāo): 能正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語態(tài)，情態(tài)動(dòng)詞和used to 句型。3. 情感目標(biāo): 有環(huán)境危機(jī)意識(shí)，學(xué)會(huì)關(guān)注環(huán)境保護(hù)環(huán)境。二、教學(xué)重難點(diǎn)： 1. 教學(xué)重點(diǎn)：（1）能正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語態(tài)，情態(tài)動(dòng)詞和used to 句型。 （2）保護(hù)環(huán)境的措施方法。2. 教學(xué)難點(diǎn)：能正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語態(tài)，情態(tài)動(dòng)詞和used to 句型。三、教法教師通過提出環(huán)保的有關(guān)話題，來引導(dǎo)學(xué)生進(jìn)行此類話題兩兩合作或小組對(duì)話，并激發(fā)學(xué)生的想象力，讓他們對(duì)中國環(huán)境污染以及世界環(huán)境污染有一些了解，然后，通過一個(gè)聽力練習(xí)引入Were trying to save the earth! The river used to be so clean.等的句型，同時(shí)進(jìn)行環(huán)保話題的對(duì)話表達(dá)，讓同學(xué)們來回顧復(fù)習(xí)這些句型的結(jié)構(gòu)及運(yùn)用。然后學(xué)生在練習(xí)中感知它的結(jié)構(gòu)及用法。由易到難的練習(xí)，最后一些句子的表達(dá)，再討論，在語境中感知這種句型的運(yùn)用，最后再通過讓學(xué)生寫一段話來檢查同學(xué)的掌握情況。四、學(xué)法學(xué)生通過老師的引導(dǎo)，進(jìn)行互動(dòng)練習(xí)，掌握用Were trying to save the earth!The river used to be so clean. 等句型來練習(xí)句型，同時(shí)也產(chǎn)生對(duì)生活對(duì)生活的熱愛，然后在聽力的練習(xí)中來讓學(xué)生重視環(huán)保的重要性等，然后學(xué)習(xí)通過練習(xí)掌握句型 ，最后學(xué)生可以以模仿寫有關(guān)環(huán)保的作文，學(xué)生可以有一個(gè)參考。教師可以讓學(xué)生參照課本中的句子來完成寫作。 2015.5.12Unit 13 Were trying to save the earth!教學(xué)設(shè)計(jì)25團(tuán)中學(xué) 徐銘敏I. PresentationShow the picture of the earth and tell students the earth is polluted now. For example: (1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into the river.(3) People should throw away litter in the bin. (4)There are more cars on the road.II. LearningHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.loud music cars rubbish planes littering ships factories smoking building houses mobile phonesnoise pollution air pollution water pollution _ _ _ _ _ _ _ _ _Keys: noise pollution loud music planes mobile phones building housesair pollution factories smoking cars building houseswater pollution ships rubbish littering factoriesIII. Listening1. 1b Listen and complete the sentences.What was the problem?The river was _. Even the bottom (底部) of the river was full of _. There were no more _ for fishermen (漁民) to catch.What caused the problem?People are throwing _ into the river. Factories are putting _ into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _ the river.Keys: really dirty rubbish fish litter waste governmentclose down clean up2. Listen again and check () the sentences you hear.1) We could go fishing in the river.2) The river was really dirty.3) The river has always been the nicest river in this town.4) We should ask the teachers for help.Keys: 2 3 IV. Practice1. Role-play the conversation in 1c.Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!2. Make conversations using the pollution in 1a.A: The river has always been the nicest river in this town.B: Yes, it used to be so clean.A: But I was there last weekend and the river was really dirty.B: What caused the problem?A: People are throwing litter into the river.B: What should we do?A: Factories are also putting waste into the river.B: Yes, everyone in this town should play a part.A: We should write to the government and ask them to close down the factories.B: What else can we do?A: Everyone should help to clean up the river.V. Reading1. Read 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木頭的) chopsticks or plastic forksrubbish2. Role-play the conversation.Interviewer: Jason and Susan, what are your ideas for solving these problems?Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.Susan: Yeah, or ride a bike. There are other advantages (優(yōu)點(diǎn)) of bike riding. Its good for health and it doesnt cost (花費(fèi)) anything!Interviewer: Great ideas! What about waste pollution?Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.Jason: Me, too. Also, I never take wooden chopsticks or plastic (塑料) forks when I buy takeaway (外賣食品) food. I use the ones at home.Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.Interviewer: So together, our actions can make a difference and lead to a better future!VI. Writing (1) Work on 3a. Which parts of the town/ city have a nice environment? Why are they nice? Which parts need to be improved? Why?Good environment Why Bad environment Why Fill in the chart about your city.(2) Work on 3b.Write a letter to the city major about the problem and your suggestions. In your letter, describe the environmental problems in your town/city. What are the problems? Where are they? What or who is causing these problems?Then, give suggestions or possible ways to solve the problems. I think that We should/ could I suggest本次寫作內(nèi)容是一封書信,信中首先要介紹你所在城市存在有哪些環(huán)境問題，是誰造成的這些問題，然后提出解決這些環(huán)境問題的方法和措施，可以結(jié)合3a中列舉的問題和前面學(xué)過的解決辦法來完成這封信。 One possible version Dear Sir/ Madam, Environmental problems are becoming more and more serious all over the world. With the development of the society, there are too many cars on the streets in our city. Cars have made the air unhealthy for people to breathe. Black smoke and poisonous gas are given off by factories. Factories also put waste into the river. And wherever we go, we can find rubbish.Now more and more people have realized these problems. I think that governments should close down the factories and develop laws to stop people from driving cars every day. I suggest everyone in this town should help to clean up the river and the streets. We should call on everyone in the town to throw rubbish in the dustbins. I hope the pr