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文档内容摘要
doc 2019-2020年高中英语第二册上Unit9Savingtheearth 一.教学目标与要求 1. Achieve language skills and related knowledge about nature, ecology and the environment. 2. Learn to use some sentence structures. 二.教学重点与难点 1.话题 1)Talking about nature, ecology and the environment. 2) Talking about how to save the earth. 2.重点词汇 ecology, coal, summarize, content, representative, killer, access, violence, premier, stress, equality, fairness, responsibility, willingness, harmony, wipe, per, alternative, defend, incorrect, affect, advise the United Nations, take part in, take action, air conditioner, in harmony with…, put an end to, wipe out, advise sb.(not) to do sth. 3.重要句型 1) If we are to develop the world successfully, we must make sure that … 2) Among the speakers was China’s Premier Zhu Rongji. 3) Rich countries must do whatever they can to help others. 4) What are the biggest problems facing the earth? 5) It was these people’s willingness to work hard and well that impressed me most. 4.语法 常见的倒装句式: 1) There exist serious problems and there is still time to take action. 2) Not until we know more will we be able to improve the situation. 3) Only by changing the way we live can we save the earth.. 4) Had I known that air conditioners cause so much pollution, I would never have bought one. 5) A better understanding of the environment is necessary, as is the willingness to act. 5. 日常交际用语 表明支持某种意见 (Supporting an opinion) : We must make sure that… It’s clear that… I believe that we must… I’m all for… If nothing is done…, then… I can’t imagine that… Sure / Certainly /Absolutely. It would be better if we… Is there a better way to…? 三.课型 (一)Warming up, listening& speaking Ⅰ 教具 录音机;多媒体等。 Ⅱ 课堂教学设计 Step1教师可通过以下开场白,导入正课: T: (Begin the class by showing some pictures of serious environmental problems.)Look at the pictures on the screen. What can you see in the pictures? S: I can see a river, which is polluted. And I can see smoke ing from many chimneys, and the air is dark. The air is polluted… T: As we can see, our earth is seriously polluted from many aspects. So we must take action to protect the environment. Step2热身训练 Ask the Ss some questions. 1) What’s the biggest problem facing the earth? Why do you think so? (I think it is the water pollution that is the biggest problem. Because if water is polluted. People will not be able to get clean water to drink; therefore, many people will get sick…) 2) What causes the problem? (Because people pay no attention to our environment. They pour waste water into rivers, lakes and seas without cleaning it…) 3) What can we do to solve the problem? (Leaders from different countries can hold a meeting and discuss how to save the earth.) T: By learning something about environmental problems, we should pay attention to the problems and take action to protect the environment. Step3听力训练 Make the students clear about the tasks first, and tell them what they should do after finishing the tape. T: To learn more about our environment. You are going to hear a person making a speech to the audience. First, please read the requirements quickly. You are asked to have a guess what the person will say next.. (Play the tape twice. Finish Part1/2 and check the answers.) Step4口语表达 1. Encourage students to be brave enough to practice, and guide them to finish the speaking task in the book. T: Look at the situation on the screen. Work in groups of five. You should play different roles: a businessman, a scientist, a local citizen, an environmentalist and a local leader. Please discuss the issue first and the local leader should summarize and make a decision. 2. Allow them five minutes to do the group work. 3. Ask students to give their performance. Samples: A: Today we are here to decide whether we should burn the coal. Please tell us whatever you think. B: I think we should burn the coal. If we don’t burn it now, maybe it will be useless in the future. New energy will be used instead of coal, such as solar energy. C: But burning coal causes too much pollution to our environment. It pollutes the air badly. D: Yes, I quite agree. I think we shouldn’t burn the coal now. It would be better if we spend more money on science to find a way of using the coal. Once we know how to burn it without polluting the environment, we can make full use of it. E: That sounds quite reasonable, but it’s clear that if we want to develop our area as soon as possible, we need money. How can we get money? We can only burn the coal to make the factories work to make money. A: All that you said are reasonable. I believe that we must try our best to find a better way to use the coal. Meanwhile, we must make sure that the factories which burn the coal take measures to stop polluting the environment. Step5 布置作业 1. Search more information about environmental problems in the library or on the Internet.. 2. Preview the reading material “Wele to the Earth Summit”. (二) Reading Ⅰ. 教具 录音机;多媒体 II.课堂教学设计 Step 1 引入课文 教师给出读前提问(Pre-reading questions): 教师给出数分钟,要求学生快速阅读课文(默读)。之后请同学回答上述问题。 Key: Introduction Definition of the Earth Summit Body Major problems facing the world. Problem 1: (maybe water pollution) Problem 2: (maybe air pollution) Problem 3: (maybe poverty) Conclusion What we can do to solve the problems. Step2. 展示生词及短语 Step3. 新授课文 1 快速阅读 Ask the students to tell the main idea of the text 2 细读 Questions 1. Listen to Para 1 and find one of the main themes of the summit. (Sustainable development) 2. Listen to Para 2& 3 and find what topics are talked about by the speakers. 1)The Big Three —— Contaminated drinking water Poor sanitation Air poll