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Unit 2 Saving the Earth Topic 2 All these problems are very serious. Section D By the end of the lesson, you will be able to 1. Understand the text better. 2. Talk about ways of saving water. 3. write a proposal. Learning aims: What is the earth mainly covered with? Nearly _ of the earth is covered with water. /'n li/ adv. 几乎,将近 be covered with 被......覆盖 three-fourths We are facing a serious water shortage. Do we have enough water to drink and use or are we short of water? We are still short of drinking water. /' :sti/ adj. 缺水的;口渴的 be short of 缺乏 The world is thirsty. /' :t d / n. 不足;缺失;短缺 How can we avoid a serious water shortage? We should protect our water resources and not pollute them. / 'v d/ v. 防止,避免 /'ri:s :s/ ; /r 's :s/ n. 资源;财力 We should discover ways to reuse water. We should pass laws against water pollution. /d 'sk v / v. 发现,找到 /,ri:'ju:z/ v. 再次使用;重复使用 /l :/ n. 法律,法令;定律 What can we do to save water in our daily life? Can you guess the content of the video? Do you have any suggestions for the boy? Turn off the water / tap while brushing teeth Don’t waste water! be covered with be short of drinking water water shortage water resources reuse water pass laws water pollution Turn off the water / tap Don’t waste water! Let’s read and find the answer! Jigsaw reading&annotation reading Student A B C D Paragraph 1 2 3 leader (representor) What else can we do to solve the problem of the shortage of water? 1a Read the passage and put the following paragraphs in the correct order. ( ) The sea seems to have the best answer. …… If scientists can find cheaper ways to do it, we can solve the problem of the shortage of water. ( ) How can we avoid a serious water shortage? First, we should ……. Second, we should ……. Third, we should ……. Scientists have made some progress ……. But ……. We still don’t have enough water. What else can we do? ( ) Although the world is hungry, it is even thirstier. While nearly of the earth is covered with water, we are still short of drinking water. This is because ……. So we can’t ……. 1 2 3 Problem Solution Future Please give your reasons and share your annotation. Think about these questions: 1. Why is our world thirsty when of the earth is covered with water ? 2. What can we do now to avoid the water shortage? 3. What will be the best way to solve the problem in the future in the passage? 4. Do you know any other ways to solve the problem? What is it? Example: Pass laws ( n.法律) against water pollution. Collect and reuse waste water. … … Discuss different ways of protecting and saving water in groups of four. Write down the key information. 2 Group work How to protect and save water? Example: Pass laws against water pollution. Collect and reuse waste water. —————————————— —————————————— 5. ———————————————————— 6. —————————————————— _ 8. _ Turn off the taps in time Take a shower instead of a bath stop…from…, pour…into…, turn off, tap(水龙头), take a shower, clean the floor, flush the toilet, throw…into… Stop the factories from pouring waste water into rivers. Don’t throw litter into the water Reuse the shower water to clean the floor/flush the toilet. Let everybody know the importance of saving water. Consolidation First, we should save water and not waste it. we should _and not_. make use of water play with water we should _instead of_. take a shower taking a bath Can you list more specific measures? turn off the taps in time to save water we should _. Consolidation Second, we should protect our water resources and not pollute them. For example, we should _ stop throwing litter into the water The chemical factories should _instead of_. deal with waste water properly pouring waste water into streams directly The government should _ pass laws against water pollution Consolidation Third, we should discover ways to reuse water. we should _. we should _instead of _ we can _ reuse shower water for toilet flushing/floor cleaning reuse left drinking water to water plants collect rainwater for gardening throwing it away Write a proposal about saving water to all the students in your school. 3 You can write it like this. Write a proposal about saving water to all the students in your school. My dear friends, Water is very important to human beings. Let’s do something to protect and save it. First, _ . Second,_. Third, _. Let’s try our best to save water and our planet. 3 Self-Assessment/peer-Assessment(1points for each) offer at least three suggestions 1 2 3 4 5 support each suggestions with details 1 2 3 4 5 use the words and phrases learnt in this period 1 2 3 4 5 In my opinion, we should do something to protect and save water. First, we should save water and not waste it. Remember to turn off the tape when we leave. Second, we should protect our water resources and not pollute them. The government must pass laws against water pollution. Third, we should discover ways to reuse water. We can collect waste water and reuse it in other ways. In a word, water is very important in our daily life. We should do everything we can to protect and save it. Summary We learn: 1. Some words: avoid, discover, thirsty, nearly, law, resource... 2. Some phrases: be covered with , be short of, plenty of, day by day… 3. Some sentences: (1) But people’s need for water is increasing day by day. (2) While nearly of the earth is covered with water, we are still short of drinking water. We can: 1. Understand the text better. 2.Talk about ways of saving water. 3. Write a proposal. Homework Compulsory: 1. Finish Section D in the workbook. 2. Polish your writing after class. (Add in the problems if possible) 3. Recite words and phrases by heart and preview Section A in Topic 3. Optional: Make posters about natural resources null 176179.17 93780.93 Lavf58.46.101 null 122466.18 $