人教版九年级Unit 13 We're trying to save the earth!-Section A 2a—2d-ppt课件-(含教案+音频+素材)-公开课-(编号:d025a).zip

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    • 人教2011课标版_九年级全一册(2014年3月第1版)_初中英语_Unit 13 Were trying to save the earth!_Section A 2a—2d_ppt课件_(含教案+音频+素材)_市级优课_(编号:d025a)
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Unit 13 We are trying to save the earth! coal ugly advantage cost wooden plastic takeaway bin n. 煤;煤块煤;煤块 adj. 丑陋的;难看的丑陋的;难看的 n. 优点;有利条件优点;有利条件 v. 花费花费 adj. 木制的;木头的木制的;木头的 n. 塑料;塑胶塑料;塑胶 n. 外卖食物外卖食物 n. 垃圾桶垃圾桶 Words Review Memorize the words and expressions coal ugly advantage cost wooden plastic takeaway make a difference bin (1) To cut down air pollution, we should take the bus or subway instead of driving. (2) I never take wooden chopsticks or plastic forks when I buy takeway food. (3) Our actions can make a difference and lead to a better future. Students can talk about air pollution, water pollution and sound pollution. Students can think about ways of protecting the environment. Help save the earth We must think of better ways to treat our planet in the future. What do you usually do ? Are you a friend of the Earth? Take this quiz. START You drink a can of cola. What do you do? I throw away cans. I recycle cans. He throws away the cans. Thats bad for the Earth. He recycles the cans. Thats good for the Earth. There are a lot of old newspapers at your home. What do you do? I throw the old newspapers away. I recycle the old newspapers. He throws old newspapers away. He wastes paper. Thats bad for the Earth. You recycle old newspapers. You save paper. Thats good for the Earth. You go shopping. What do you do? I use a lot of new plastic bags. I use my own bag. They use a lot of new plastic bags. Thats bad for the Earth. You use your own bag. Thats good for the Earth. When you write on a piece of paper, what do you do? I write on one side only. I write on both sides. Dont use paper on one side only. Thats bad for the Earth. You use paper on both sides. Thats good for the Earth. 2a2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution 1. The air is badly polluted because there are _on the road these days. 2. Factories that burn coal also _ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People _things every day. 4. People are also littering in_ like parks. This is turning beautiful places into ugly ones. more cars pollute are throwing away public places 2b2b Listen again and complete the sentences. 1. Who is the interviewer talking to? 2. What are they talking about? 3. What other problems do they see? Susan and Jason. The environmental problems. Theres too much rubbish and waste in the streets. Role-play conversations between Jason and Susan. 2c The air has become really polluted around here. Im getting very worried. Yes, I used to be able to see stars in the sky. The problem is that What should we do to save the earth? Turn off the lights when we leave a room. 关掉关掉 stop riding in cars/take a bus stop using paper towels or napkins( 餐巾,餐巾纸)餐巾,餐巾纸) recycle books and paper 回收利用回收利用 2d Read 2d and complete the chart. ProblemsSolving problems air pollution waste pollution wooden (木木 头的头的) chopsticks or plastic forks rubbish take the bus, subway or ride a bike instead of driving. bring a bag to go shopping. use chopsticks or forks at home. throw rubbish in the bins. 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 of bike riding. Its good for health and it doesnt cost anything! 2 2d dRole-play the conversation. 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 forks when I buy takeaway 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! take, spend, pay is used to B. is used to; used to C.use to; used to D. is used to; is used to 2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. cost 三三 . Choose the best answer. 3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in 4. Smoking can _ lung cancer. Youd better give it up. Awork on Blead to C take away Dput out 5. What are the _ of bike riding? - It can help cut down air pollution. Aadvantages Breasons Cresults Dideas 1. 多一个人少一个人无所谓。多一个人少一个人无所谓。 One person wouldnt _ _ _. 2. 这个木箱子装满了书这个木箱子装满了书。 The _ box _ _ _ books. 3. 不健康的饮食对这种疾病的传播起一定的作用。不健康的饮食对这种疾病的传播起一定的作用。 Unhealthy diet _ _ _ _ the spread of the disease. 4. 这条小路通向公园。这条小路通向公园。 The path _ _ the park. 5. 我错拿了你的包。我错拿了你的包。 I took your bag _ _ mine by mistake. wooden is full of make a difference leads to plays a part in instead of 四四. 翻翻译译 The earth is badly polluted. Please make a poster and think of what we can do. Homework 1.Review the new words and expressions. 2.Practice the conversation in 2d. 1 UnitUnit 1313WereWere tryingtrying toto savesave thethe earth!earth! 第二课时第二课时SectionSection A(2aA(2a2d)2d) Target Navigation【目标导航】 Key words and phrases: coal,ugly,advantage,cost,wooden,plastic,make a difference Key sentences: (1) To cut down air pollution, we should take the bus or subway instead of driving. (2) I never take wooden chopsticks or plastic forks when I buy takeway food. (3) Our actions can make a difference and lead to a better future. Skills:能听懂关于污染的问题和环境保护的话题;并初步学会用重点句型谈论 污染和环保的话题。 Emotion:通过听说训练学会谈论污染和环保的话题,使学生认识到污染的严重 性,从而培养学生养成爱护环境,保护环境的习惯。 The guidance of learning methods【学法指导】 听说法;小组合作。 Learning important and difficult points【学习重难点】 1能听懂关于污染的问题和环境保护的话题;并初步学会用重点句型谈论 污染和环保的话题。 2掌握并运用 Key sentences 中的重点句型。 Teaching Steps【教学过程】 Autonomous Learning Scheme 【自主学习方案】 预习指导与检测 (一)预习指导 1预习 Page98 的生词和短语,根据音标会读记。 2朗读 Page 98 的句子,能英汉互译。 (二)预习检测 .翻译下列单词、短语和句子。 1噪音污染_ 2空气污染_ 3水污染_ 4cut down air pollution_ 5takeaway food_ 6骑自行车的其他优点_ 7Everyone in this town should play a part in cleaning it up! _ _ (Keys:1.noise pollution;2.air pollution;3.water pollution; 4.减少空气污染; 5.外卖食品;6.other advantages of bike riding;7.在这个镇上每个人都应该参与清 扫。) Classroom Learning Guidance Scheme【课堂导学案】 【探究一】 check the new words coal ugly advantage cost wooden plastic takeaway bin 2 【探究二】Help save the earth: We must think of better ways to treat our planet in the future. What do you usually do ? Are you a friend of the Earth? Take this quiz. . 【探究三】听这段采访,圈出杰森和苏珊所谈论的污染的种类。完成 2a 部 分。 【探究四】再听,完成 2b 的句子。 【探究五】同桌合作用 2a 和 2b 的信息分角色扮演杰森和苏珊的对话。 Jason:The air has become really polluted around here. Im getting very worried. Susan:Yes,I used to be able to see stars in the sky. Jason:The problem is that 【探究六】What should we do to save the earth? 【探究七】小组合作完成 2d。 1 Read 2d and complete the chart. 2Listen and repeat. 3师生、生生分角色扮演对话。 【知识点拨】 1Its good for health and it doesnt cost anything! 它对身体有好处并且不会 花费任何东西! 辨析:spend,cost,take 与 pay 1) take 多表示花费时间,常用于 It takes sb. some time to do sth.这 一句型中,其中 it 作形式主语。 e.g. It usually takes me 40 minutes to cook the dinner. 2) Spend sb. spend some time / money on sth.sb. spend some time / money (in) doing sth.两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day. 3) pay 多表示花费金钱,主语通常是人,sb. pay some money for sth.句 型。 e.g. Tommy paid 20 yuan for his breakfast yesterday. 4) cost 多表示花费金钱,主语通常是物,sth. cost (sb.) some money. 句型。 e.g. The new dress cost Linda 88 yuan. 【小试牛刀】 根据句意用 take, spend, pay 或 cost 的适当 形式填空。 1. That new car _ them lots of money. 2. Mona _ 50 yuan on the books just now. 3. It usually _ me an hour to do my homework. 4. You should _ some time practicing your pronunciation. 5. My brother _ 6, 000 yuan for the new computer yesterday. 2To cut down air pollution,we should take the bus or subway instead of 3 driving.为了减少空气污染,我们应该乘坐公共汽车或者地铁,而不是开车。 cut down 意为“减少”,是“动词副词”结构的短语,所带的宾语为名词时, 宾语可位于 down 的前面或后面;为代词时,只能位于 down 前面。如: Youd better cut the article down to about 2,000 words.你最好能把这篇文章压 缩到两千字左右。 【拓展】 cut down 还可表示“砍倒”的意思。如: They cut down the big tree.他们砍倒了这棵大树。 cut off 切断,切除;cut into 把切成;cut up 切碎;cut in 插 队。 【小试牛刀】 单项选择。 Did you tell it to Jack? Yes,but we were _ in the middle of our telephone conversation. Acut down Bcut off Ccut up Dcut into 【当堂检测】 一.用适当的英文单词填空。 1. Dont throw _(垃圾) everywhere. 2. In winter, many people burn _(煤) to keep warm. 3. The police found a body at the _(底部) of the lake. 4. The _(花费) of living in big cities is very high. 5. He keeps a rabbit in a big _(木制的) box. 二.用动词的适当形式填空。 1. Were trying _ (save) the earth. 2. There used to _ (be) clean and beautiful. 3. There are too many _ for _ to catch (fish). 4. Its bad for environment to use _ (wood) chopsticks. 三 . Choose the best answer. 1. He _ go out with his parents, but now he _ staying at home alone. A. used to; is used to B. is used to; used to C. use to; used to D. is used to; is used to 2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. cost 3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in 4. Smoking can _ lung cancer. Youd better give it up. 4 Awork on Blead to Ctake away Dput out 5. -What are the _ of bike riding? - It can help cut down air pollution. Aadvantages Breasons Cresults D. ideas 四. 翻译 1. 多一个人少一个人无所谓。 One person wouldnt _ _ _. 2. 这个木箱子装满了书。 The _ box _ _ _ books. 3. 不健康的饮食对这种疾病的传播起一定的作用。 Unhealthy diet _ _ _ _ the spread of the disease. 4. 这条小路通向公园。 The path _ _ the park. 5. 我错拿了你的包。 I took your bag _ _ mine by mistake. HomeworkHomework 1 The earth is badly polluted. Please make a poster and think of what we can do. 2 Review the new words and expressions. 3 Practice the conversation in 2d. Teaching Reflection【教学反思】 这是第 13 单元的第二课时,本课时主要通过听说活动让学生初步听懂谈话 中涉及的关于污染的问题和环境保护的内容;用重点句型询问并谈论污染和环保 的话题。本课时的学习目标主要让学生准确记住单词和短语: coal,ugly,advantage,cost,wooden,plastic,make a difference 学会运用谈论 污染和环保的句型: (1) To cut down air pollution, we should take the bus or subway instead of driving. (2) I never take wooden chopsticks or plastic forks when I buy takeway food. (3) Our actions can make a difference and lead to a better future. 在这节课里,我通过让学生进行小组合作,分组竞赛的方式完成教学任务, 课堂气氛热烈,收到了很好的效果。 5
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