1、Unit 13Were trying to save the earth.Section B3aSelf check3a 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 Bad environmentWhy? Why?park the air
2、 is cleanstreets so many treesrestaurants clean and tidyriver a lot of rubbishso many carsair too many factoriesstreets 3b Write a letter to the city mayor about the problems and your suggestions.In your letter, describe the environmental problems in your town/city.1. What are the problems?2. Where
3、are they?3. 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本次写作内容是一封书信,信中首先要介绍你所在城市存在有哪些环境问题,是谁造成的这些问题,然后提出解决这些环境问题的方法和措施,可以结合 3a中列举的问题和前面学过的解决办法来完成这封信。写作指导One possible versionDear Sir/ Madam, Environmental
4、problems are becoming more and more serious all over the world.With the development of the society, there are too many cars on the streets in our city. Cars have made the air unhealthy for people to breathe. Black smoke and poisonous gas are given off by factories. Factories also put waste into the
5、river. And wherever we go, we can find rubbish. Now more and more people have realized these problems. I think that governments should close down the factories and develop laws to stop people from driving cars every day. I suggest everyone in this town should help to clean up the river and the stree
6、ts. We should call on everyone in the town to throw rubbish in the dustbins.I hope the problem will be solved in the near future and our home will become better and better. 1 Write different forms of the words. Then add more to each group.v. n. n. adj. adj. n. adj. adv.pollute act protect inspirebui
7、ld create fame wood science health southcarepollutionactionprotectioninspirationbuildingcreationfamouswoodenscientifichealthysoutherncarefuldifferent differenceimportanceimportantslow wide sudden real slowlywidelysuddenlyreally2 Match each statement with the grammar structure.The river used to be so
8、 clean. We have seen many changes in the environment. People should take public transportation more. The river is polluted by factories.The air pollution is getting worse and worse.Present progressiveModal verbsPassive voiceused toPresent perfect3 Write ways to cut down on these kinds of pollution.K
9、inds of pollution Ways to cut downwater pollutionland pollutionnoise pollutionair pollutionask factories not to throw waste into the river; remind people not to litterensure that factories throw away industrial waste in a responsible way; try not to use plastic bags when shoppingbuild airport away f
10、rom places where people liveencourage people to use public transportation instead od driving; reduce the number of factories that burn coalExercise 1. My alarm clock doesnt work. It needs _. A. to be repaired B. repairC. to repair D. for repairing2. His death was _ by a high fever. A. spread B. caused C. got D. showed 3. His mother _ a worker in that factory. A. used to be B. usedC. used to being D. used be 4. Your classroom is very clean.Sure. It _ after school every day.A. is cleaned B. cleans C. cleaned D. is cleaningABAAHomework 老师可以在这里布置作业噢