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课件网) Unit 13 We're trying to save the earth. Section B Writing Watch a video Lead in the crying earth our beautiful earth before now What have people done on the earth pour waste water into the river waste electricity and water make too much noise give off harmful gas cut down too many trees throw rubbish everywhere Come up with the problem: What causes so many changes to the earth 1. People have destroyed _____. the balance of nature 2. Air has been _____. badly polluted water /air pollution noise/ air pollution 3.Lots of trees _____. have been cut down To cut down water pollution, close down the factories; help to clean up the river; To cut down air pollution, take the bus or subway; ride a bike instead of driving cars; To cut down waste/land pollution, bring a shopping bag when shopping, throw rubbish into the bins; What can we do to help the environment To save electricity, turn off the lights when leaving a room turn off the TV when nobody is watching it use air conditioners less To save water, don’t leave the tap/shower running when brushing the teeth/washing hair wash toilets with used water use less water to do the washing To protect the forests, use resusable bags; recycle books and paper; don't use napkins; Think about the environment in your town/city and complete the chart below. Which parts of the town/city have a nice environment Why are they nice Which parts need to be improved Why Good environment Why Bad environment Why 3a Write a letter to the city mayor about the problems and your suggestions. In your letter, describe the environmental problems in your town/city. What are the problems Where are they What or who is causing these problems Then, give suggestions or possible ways to solve the problems. I think that ... We should/could ... I suggest ... 3b Dear Mr. Mayor, Now our environment is becoming worse and worse……. So it’s important to reduce pollution. There are lots of things that the common people can do. The beginning Useful expressions It’s a good way to … instead of … Don’t forget to … Make sure that … Doing … is helpful to protect the environment. Doing … is another way to improve the …. If everyone gives a hand to protect the environment, our world will become more beautiful. The ending 级别 项目 A (正确) B （1—2处错误） C （3—4处错误） D （>4处错误） 格式 时态 连接词 句式 拼写 书写 Check your composition in your group. Share your stories! Mr. Mayor, Now our environment is becoming worse and worse. With the development of the society, there are too many cars on the streets in our town. Cars have made the air unhealthy for people to breathe. Black smoke and harmful gas are given off by factories. Factories also put waste into the river. And wherever we go, we can find rubbish. It is unpleasant to look at these and it makes the environment very unhealthy. Model passage Now more and more people have realized these problems. I think that government ... ...
