2018屆九年級(jí)英語(yǔ)全冊(cè)Unit13We’retryingtosavetheearth第1課時(shí)教案.docx

Unit 13 Were trying to save the earth! Section A 1a2d一、【教材分析】教學(xué)目標(biāo)知識(shí)目標(biāo)1. 學(xué)習(xí)并掌握下列單詞：litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic2. 能正確使用以下常用表達(dá)：the bottom of, be full of, used to do sth., play a part in doing sth., clean it up, be badly polluted, too much rubbish and waste, turninto , cut down, take the bus or subway, instead of, remember to do sth., make a difference, lead to3. 能熟練掌握并使用下列重點(diǎn)句式：（1）Even the bottom of the river was full of rubbish.（2）It used to be so clean!（3）People are littering in the river.（4）Everyone in this town should play a part in cleaning it up!（5）This turns beautiful parks into ugly places.（6）The air has become really polluted around here. Im really getting worried.（7）To cut down air pollution, we should take the bus or subway instead of driving.（8）Other advantages of bike riding are that its good for health and it doesnt cost anything!（9）Remember to throw rubbish in the cans and keep public places clean and beautiful for everyone.（10）Our actions can make a difference and lead to a better future!能力目標(biāo)談?wù)摳鞣N環(huán)境污染問(wèn)題，引起污染的原因以及解決的對(duì)策。情感目標(biāo)了解環(huán)境污染的壞處，樹(shù)立環(huán)保意識(shí)。教學(xué)重點(diǎn)討論環(huán)境污染問(wèn)題。教學(xué)難點(diǎn)用所學(xué)的知識(shí)談?wù)摥h(huán)保問(wèn)題。教學(xué)方法情境教學(xué)法；任務(wù)型教學(xué)法二、【教學(xué)流程】環(huán)節(jié)師生活動(dòng)二次備課I. 復(fù)習(xí)熱身1、檢查生詞預(yù)習(xí)。（1）先通過(guò)PPT呈現(xiàn)本課的單詞，教師領(lǐng)讀，學(xué)生跟讀，并幫助學(xué)生正音。（2）做題鞏固。根據(jù)句意和首字母提示寫(xiě)出所缺的單詞。 Even the b_ of the river was full of rubbish. People are l_ in the river. Other a_ of bike riding are that its good for health and it doesnt cost anything! I never take w_ chopsticks or plastic forks when I buy takeaway food. Our actions can make a d_ and lead to a better future!答案：bottomlitteringadvantageswoodendifference2、自由交談。Talk about different kinds of pollution：Noise pollutionAir pollutionWater pollution .感知體驗(yàn)感知1.PPT展示下列圖片，引導(dǎo)學(xué)生初步感知種種污染問(wèn)題。體驗(yàn)1. 分組談?wù)搱D片展示的污染問(wèn)題。感知2. 環(huán)境污染問(wèn)題嚴(yán)重，如何保護(hù)地球呢？創(chuàng)設(shè)問(wèn)題情景，引導(dǎo)學(xué)生思考環(huán)境保護(hù)的方法。You drink a can of cola. What do you do?There are a lot of old newspapers at your home. What do you do? You go shopping. What do you do?When you write on a piece of paper, what do you do? 體驗(yàn)2. 分四個(gè)小組分別討論上述問(wèn)題。S1: I throw away cans.S2: I recycle cans.S3: You throw away the cans. Thats bad for the Earth. You recycle the cans. Thats good for the Earth.強(qiáng)化鞏固1. 處理教材1a，1b，1c的內(nèi)容。(1)Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.答案:Noise pollution：cars, factories, smoking, building houses (burning, power plants, nuclear waste disposal)Air pollution：Loud music, planes, building houses, mobile phones (machines, crowds)Water pollution：rubbish, littering, ships, factories (sewage, industrial waste, pesticides) (2) Listen and fill in the blanks. Then match the restaurants with the statements. The river was _. Even the bottom of the river was full of _. There were no more _ for fishmen to catch. People are throwing _into the river. Factories are putting _ into the river.We should write to the _ and ask them to _ the factories. Everyone should help _to the river.答案： really dirty, rubbish, fish litter, waste government, close down, clean up (3) Role-play the conversation.The river has always been the nicest river in this town.Yes, it used to be so clean.But I was there last weekend and the river was really dirty.What caused the problem?People are throwing litter into the river.What should we do?Factories are also putting waste into the river.Yes, everyone in this town should play a part.2.處理教材 2a，2b，2c的內(nèi)容。(1) Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.答案: A B(2) Listen again and complete the sentences. The air is badly polluted because there are _on the road these days.Factories that burn coal also _ the air with a lot of black smoke.There is also too much rubbish and waste. People _things away every day.People are also littering in _ like parks. This turns beautiful parks into ugly places. 答案：more car pollute are throwing away public places(3) Use the information in 2a and 2b to role-play conversations between Jason and Susan.A: The air has become really polluted around here. Im getting very worried.B: Yes, I used to be able to see stars in the sky.3. 語(yǔ)言知識(shí)點(diǎn)的歸納整理。（1）Were trying to save the earth! 我們正在竭盡全力拯救地球! try to do =try ones best to do 努力去做某事。 Every student should try to study hard in order to study in a university. 為了進(jìn)入大學(xué)學(xué)習(xí)，每個(gè)學(xué)生都應(yīng)該努力學(xué)習(xí)。（2）Everyone in this town should play a part in cleaning it up! play a part in 在方面起作用 A good diet plays a large part in helping people live longer. 健康的飲食在幫助人們長(zhǎng)壽方面起著非常大的作用。（3）used to used to的意思是“過(guò)去經(jīng)?！?，其中的to是不定式符號(hào)，不是介詞，所以其后接動(dòng)詞原形(不接動(dòng)名詞)。 He used to live in Paris.他過(guò)去一直住在巴黎。 used to與be used to的用法比較used to意為“過(guò)去經(jīng)?！?，其中的to是不定式符號(hào)，后接動(dòng)詞原形。 He used to live in Paris.他過(guò)去一直住在巴黎。be used to意為“習(xí)慣于”，其中的to是介詞，后接動(dòng)名詞。 He is used to living in the country.他已習(xí)慣于住在鄉(xiāng)下。（4）should的用法：should后接動(dòng)詞原形。表示“應(yīng)該，應(yīng)當(dāng)” You should help your mother with the housework. 你應(yīng)該幫你母親做家務(wù)。表示“可能，該(=will probably) ” He should arrive soon他可能很快就到了。 should與ought to的比較 除表示“萬(wàn)一”“竟然”等只能用should外，表示“應(yīng)該，應(yīng)當(dāng)”“可能”等，兩者可互換，只是ought to的語(yǔ)氣稍重。 You ought to/should work harder than that. 你應(yīng)當(dāng)更努力地工作。 should 強(qiáng)調(diào)主觀看法，而 ought to 強(qiáng)調(diào)客觀要求。 We ought to go and see my mother in hospital tomorrow, but I dont think we will. 我們按理應(yīng)當(dāng)在明天去看看住院的母親的，但我主認(rèn)為我們不會(huì)去。 .實(shí)踐應(yīng)用分小組進(jìn)行對(duì)話練習(xí)。The river has always been the nicest river in this town.Yes, it used to be so clean.But I was there last weekend and the river was really dirty.What caused the problem?People are throwing litter into the river.What should we do?Factories are also putting waste into the river.Yes, everyone in this town should play a part.總結(jié)反饋1.結(jié)合板書(shū)和課件，讓學(xué)生盤(pán)點(diǎn)所學(xué)詞匯和重要句型。詞匯：litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic，the bottom of, be full of, used to do sth., play a part in doing sth., clean it up, be badly polluted, too much rubbish and waste, turninto , cut down, take the bus or subway, instead of, remember to do sth., make a difference, lead to重要句型：（1）Even the bottom of the river was full of rubbish.（2）It used to be so clean!（3）People are littering in the river.（4）Everyone in this town should play a part in cleaning it up!（5）This turns beautiful parks into ugly places.（6）The air has become really polluted around here. Im really getting worried.（7）To cut down air pollution, we should take the bus or subway instead of driving.（8）Other advantages of bike riding are that its good for health and it doesnt cost anything!（9）Remember to throw rubbish in the cans and keep public places clean and beautiful for everyone.（10）Our actions can make a difference and lead to a better future!2. 當(dāng)堂練習(xí)。單項(xiàng)選擇。（1）He_go out with h