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1、Unit 2 Saving the Earth Topic 1,Pollution causes too many problems.Section A,学习目标1.学习本章节的新单词和短语。bee,my goodness,chemical,waste,stream,soil,breathe,harmful,be harmful to,influence 2.学习直接引语和间接引语的用法。3.谈论不同种类的污染，提高环保意识。,在文中找到和写出下面的短语及重点句型：1.计划一次野炊 2.它是一个有许多花草的美丽地方 3.看见某人/物正在做某事 4.两天后 5.不见了，不复存在，丢失6.花和草都
2、消失了!7.很难闻 8.一座化工厂 9.把倒入；往排放 10.野餐，野炊 11.在田地里12.使某人怎么样/让某人做某事13.呼吸问题14.采取一些有效措施15.对有害16.影响环境17.到处乱扔18.乱扔垃圾,1.plan a picnic2.Its a beautiful place with lots of flowers and grass.3.see sb./sth.doing sth.4.two days later5.have gone6.The flowers and grass have gone!7.smell terrible8.a chemical factory 9.
3、pourinto 10.have a picnic11.in the field12.make sb.+adj./do sth.13.breathing problems14.do something useful15.be harmful to sb./sth.=do harm to sb./sth.16.influence the environment17.throw around,throw about18.throw litter around,throw litter about,a.air pollution b.soil pollution c.water pollution
4、d.light pollution e.noise pollution f.litter,3a,Work alone,1,2,3,4,5,6,3b Complete the following sentences with the word and phrases in 3a.,1.People use chemicals too much in their fields,so_ causes unhealthy food.2.People pour waste water into rivers and lakes,so_ is almost everywhere in China.3._m
5、akes people sick.It causes breathing problems and even cancer.4.In some cities theres too much _ caused by many cars.The government has done something useful to stop it.5._is harmful to eyes.6._influences our environment,so people shouldnt throw it around.,soil pollution,water pollution,Air pollutio
6、n,noise pollution,Light pollution,Litter,What can you see in the picture?Can you see bees and butterflies dancing?Was the West Hill a beautiful place in the past?,What has happened here?The flowers and grass,have gone!,There are several chemical factoriespouring waste water into the stream.,Is the W
7、est Hill still a beautiful place now?,There are several chemical factories pouring waste water into the stream.,several=a few,There be+sth./sb.+doing sth.有某人/某物正在做某事 There are some students _basketball in the playground.,playing,1.What are Kangkang and his friends doing?2.Where are they going to hav
8、e a picnic?3.Is the West Hill still a beautiful place now?4.Do they still want to have a picnic there?,Listen to 1a,answer the questions.,They are planning a picnic.,The West Hill.,No,it isnt.,No,they dont.,Try to retell 1a.You can use the key words and the pictures about the West Hill.In the past,t
9、he West Hill was a _ place with flowers and grass.We could see bees and butterflies dancing.The air was_,the water was very _.But now,The flowers and grass_.The water is so _and it smells_.Why?Because there are several chemical factories pouring _ _into the stream.So we should _ the environment.,bea
10、utiful,fresh,clean,have gone,dirty,terrible,waste,water,protect,Answer the questions.,What did Kangkang say?,Kangkang said that he had been there before.,Kangkang:I have been there before.,What did Kangkang say about the West Hill in the past?,Kangkang said that it was a beautiful place with lots of
11、 flowers and grass.,Kangkang:Its a beautiful place with lots of flowers and grass.,Answer the questions.,What did Kangkang say?,Kangkang said that the air was fresh and the water was clean.,What did Kangkang say about the West Hill at present?,Kangkang said that the flowersand grass had gone.,Kangka
12、ng:The air is fresh and the water is clean.,Kangkang:The flowers and grass have gone!,请仔细观察以下句子：1.Kangkang said that he had been there before.2.Kangkang said that it was a beautiful place with lots of flowers and grass.3.Kangkang said that the air was fresh and the water was clean.4.Kangkang said th
13、at the flowers and grass had gone.,直接引语变成间接引语，句子结构的变化,1.He says,“I have been to Beijing twice.”2.He said,“I have been to the Great Wall.”3.Mr.Li said,“I will visit you next Monday.”4.Michael said,“I like playing basketball.”5.He said,“I am writing a letter.”,陈述句用连词that引导，that在口语中常省略。,He says that he
14、 has been to Beijing twice.,He said that he had been to the Great Wall.,Mr.Li said that he would visit me the next Monday.,Michael said that he liked playing basketball.,He said that he was writing a letter.,解题步骤:,陈述句:,“I dont like computers.”Sarah said to her friends.,Sarah said to her friends that
15、 _ _like computers.,she,didnt,在转换中要注意：1.间接引语中的人称变化。2.时态的变化。,主句的谓语动词可用said,也可用told来代替，注意:可以说said that,said to sb.that,told sb.that.不可直接说told that。,1b,Work alone,环保从身边做起,Discuss in groups,What can we do to protect the environment?,What can we do?How to protect our environment?Turn off the lights when
16、we leave the classroom.(in order to save energy)We can use both sides of the paper when we write.We can go to school on foot or by bike.(We can walk or ride a bike to school.)We shouldnt throw litter around.We should pick up the rubbish and throw it into a dustbin.We can use cloth bags or baskets instead of plastic bags when we go shoppingWe should plant more trees.,Thank you and Goodbye!,
