人教版九年级Unit 13 We're trying to save the earth!-Section B 1a—1e-ppt课件-(含教案)-公开课-(编号：300ae).zip

Unit 13 Were trying to save the earth. Section B（1a1e） 学习目标 Key words: recycle, napkin Key sentences: 1. Recycling paper is really easy. I agree. But its hard to stop riding in cars. 2. We really shouldnt use paper napkins， you know. I know. I stopped using them last year. Look and say There are too many cars on the roads.Black smoke is made by factories that burn coal. What can we do to protect the earth? Look and say What can we do to help save the earth? stop riding in cars 不开私家车 Look and say What can we do to help save the earth? 重复利用书本和纸 recycle books and paper Look and say What can we do to help save the earth? 离开房间的时候记得关灯 turn off the lights when we leave a room Look and say What can we do to help save the earth? turn off the shower while were washing our hair 洗头发的时候关掉水 Look and say What can we do to help save the earth? 不要用纸巾 dont use paper napkin 1a What can we do to help save the earth? Rank these items from the easiest (1) to the most difficult (5). _ stop riding in cars _ recycle books and paper _ turn off the lights when you leave a room _ turn off the shower while you are washing your hair _ dont use paper napkin 1bCompare your answers in 1a with your partner. A: Recycling paper is really easy. B: I agree. But its hard to stop riding in cars. 1c Listen and check () the things that Julia and Jack talk about. Things Julia and Jack talk about turning off the light turning off the shower not using paper napkins taking your own bags when shopping not riding in cars riding a bike recycling a paper Things Julia is doing now Things Julia will do in the future Things Julia would never do 1d Listen again. Check ( ) the things that Julia is doing now, the things she will do in the future and the things she would never do. Things Julia and Jack talk about turning off the light turning off the shower not using paper napkins taking your own bags when shopping not riding in cars riding a bike recycling a paper Things Julia is doing now Things Julia will do in the future Things Julia would never do Make a research Make a list about different kinds of pollutions that you know in daily life, and write down the ways that can cut down the pollution and protect the earth. Then show us the list you have made. Unit 13 Were trying to save the earth! Section B 1a1e 一、一、 【教材分析教材分析】 知识知识 目标目标 1. 学习并掌握下列词汇：recycle, napkin 2. 学习并正确使用以下常用表达：stop doing sth., Its hard to do sth. 3. 学习并会用下列句型： （1）Turn off the lights when you leave a room. （2）Turn off the shower while you are washing your hair. （3）Recycling paper is really easy. I agree. But its hard to stop riding in cars. （4）We really shouldnt use paper napkins, you know. I know. I stopped using them last year. 能力能力 目标目标 会用所学的知识谈论如何保护地球。 教教 学学 目目 标标 情感情感 目标目标 了解环境污染的坏处，树立环保意识。 教学重点教学重点 用所学的词汇和句型谈论如何保护地球。 教学难点教学难点 用所学的词汇和句型谈论如何保护地球。 教学方法教学方法 情境教学法；任务型教学法 二、二、 【教学流程教学流程】 环节环节师生活动师生活动二次备课二次备课 I. 复习 1、检查生词预习。、检查生词预习。 （1）先通过）先通过 PPT 呈现本课的单词，教师领读，学生跟读，并帮助学生呈现本课的单词，教师领读，学生跟读，并帮助学生 正音。正音。 （2）做题巩固。）做题巩固。根据句意和首字母提示写出所缺的单词。根据句意和首字母提示写出所缺的单词。 We really shouldnt use paper n_. 热身We should r_ books and paper. Please t_ your own bags when shopping. Turn o_ the lights when you leave a room. Saving e_ animals is one thing we can do for our world. 答案：答案：napkinsrecycletakeoffendangered 2、自由交谈。、自由交谈。 朗读并记忆下列优美句子。朗读并记忆下列优美句子。 Were trying to save the earth. The river used to be so clean. It was considered the nicest river in town. The air has become really polluted. We should help save the sharks. .感知 体验 感知感知 1.PPT 展示下列图片，创设语境：展示下列图片，创设语境：What should we do to save the earth！ 体验体验 1.学生分组谈论如何保护地球。学生分组谈论如何保护地球。 Recycle books and paper. Turn off the lights when you leave a room. Turn off the shower while you are washing your hair. 1. 处理教材处理教材 1a 的内的内容。容。 What can we do to help save the planet? Rank these items from the easiest (1) to the most difficult (5). _stop riding in cars _recycle books and paper .强化 巩固 _turn off the lights when you leave a room _turn off the shower while you are washing your hair _dont use paper napkins 答案：Answers will vary. 2.处理教材处理教材 1b 的内容。的内容。 Compare your answers in 1a with your partner. A: Recycling paper is really easy. B: I agree. But its hard to stop riding in a car. 3.处理教材处理教材 1c 的内容。的内容。 答案：checked: turning off the shower, taking your own bags when shopping, not riding a bike. 4.处理教材处理教材 1d 的内容。的内容。 答案： Doing now-turning off the light Will do-taking your own bags when shopping Never do-turn off the shower; not riding in cars, riding a bike 5.处理教材处理教材 1e 的内容。的内容。 Make a conversation using the information from the chart above. Say what is true for you. A: We really shouldnt use paper napkins, you know. B: I know. I stopped using them last year. A: People are cutting down too many trees. What should we do? B: We should tell them the importance of planting trees and plant more trees. 6.语言知识点的归纳整理。语言知识点的归纳整理。 （1）关于 turn 的短语 turn on 打开，发动. Would you please turn the TV on? turn off 关闭 关掉. Could you please turn off the light? turn up 开大（一般情况下指调节音量大小，灯光明暗，或煤气大小 等） ；出现。 Turn the radio up please, I cant hear it clearly.；turn up 还表示“出现” 。 We settled to meet at 7:30 at the cinema, but he didnt turn up. turn down 关小；调低；拒绝。 So we have to turn down the other a little bit.;turn down 还表示“拒绝” 。 How can you turn down such a poor little girl. take turns 依次，轮流。 Lets take turns fill the bottles with water. turn back 折回；往回走。 Suddenly, he turned back running to me. turn out 生产；驱逐；翻转；结果是。 It didnt exactly turn out as I planned.结局并不是我计划的那样。 （2）It is + adj.(for sb.)+to do sth. Its hard to stop riding in cars. Its difficult for parents with young children to use public transportation. （3）stop to do sth. 与 stop doing sth.的区别 stop doing sth 是“停止做某事”，doing 是 stop 的宾语，是要停止的动 作。 The two girls stopped talking when they saw me. 那两个女孩一见到我就 停止了讲话。 stop to do sth 是“停下来开始做某事”，to do 是 stop 的状语，表示目 的，是要开始做的事情。 The two girls stopped to talk to me when they saw me. 这两个女孩一看到 我就停下来和我讲话。 .实践 应用 分小组讨论如何保护环境，保护我们的地球。分小组讨论如何保护环境，保护我们的地球。 A: People are cutting down too many trees. What should we do? B: We should tell them the importance of planting trees and plant more trees. A: We really shouldnt use paper napkins, you know. B: I know. I stopped using them last year. .总结 反馈 1.1.结合板书和课件，让学生盘点所学词汇和句型。结合板书和课件，让学生盘点所学词汇和句型。 词汇：recycle, napkin stop doing sth., Its hard to do sth. 句型： （1）Turn off the lights when you leave a room. （2）Turn off the shower while you are washing your hair. （3）Recycling paper is really easy. I agree. But its hard to stop riding in cars. （4）We really shouldnt use paper napkins, you know. I know. I stopped using them last year. .作业 布置 1.Read the conversation with partner. 2.Make a research about different kinds of pollution,and write down the ways to cut down the pollution. 三、三、 【板书设计板书设计】 Unit 13 Were trying to save the earth! Section B 1a1e （1）Turn off the lights when you leave a room. （2）Turn off the shower while you are washing your hair. （3）Recycling paper is really easy. I agree. But its hard to stop riding in cars. （4）We really shouldnt use paper napkins, you know. I know. I stopped using them last year.