2014年新版仁爱英语九年级上册Unit 2 Topic 2 Section D课件.pptVIP

Unit 2 Saving the EarthTopic 2 All these problems are very serious. Section D Grammar Functions ______ a result（结果）, a lot of rich land has changed _________ （变为）desert. Trees can stop the wind from ______ the earth _____(吹走）. We shouldn’t leave rubbish ___________(到处). All these problems are very serious,_____(所以) we must do something now. Imagine you are water.Please tell us your functions, problems and wishes. 1b Read 1a again and answer the 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? 2 Discuss in groups different ways of protecting and saving water. Write down the key information. Example: Pass laws( n.法律) against water pollution. Collect and reuse waste water. … … 3. 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. We learn: 1. some words: avoid, discover, thirsty, nearly, law 2. some phrases: day by day, be short of 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.Talk about ways of saving water. 2.Summarize and use the indefinite pronoun and adverb correctly. 3. Write a proposal. Assignment Read 1a. Review the useful expressions and key sentences which we learn in this topic. Preview Section A in Topic 3. * We should do ___________ we can to protect the environment. _________ should