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1、Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems. Section A,A: Where have you been/traveled?,B: I have been/traveled to .,Have you ever had a picnic?,Kangkang, Jane, Maria and Michael are planning a picnic for Sunday. They will go to the West Hill.,1b Listen to 1a and mark the
2、words with P (Past) or N (Now). _ beautiful _ butterflies _ dirty _ grass _ terrible _ factory _ bees _ fresh _ clean _waste water,P,P,N,P,N,N,P,P,P,N,a place with,beautiful flowers,Brainstorm,many hills,green trees,What a shame/mess! The flowers and grass have gone!,What can you see there?,We can s
3、ee bees and butterflies dancing.,bee,butterfly,Is the West Hill beautiful?,Guess,The flowers and grass have gone!,Oh, my goodness. What a mess!,Look! There are several chemical factories pouring waste water into the stream.,= have disappeared.,Is it beautiful now? What has happened there?,P27 1a mp3
4、,waste water waste paper Waste water. 浪费水。 Dont waste paper. 不要浪费纸。,waste,adj. v.,There are several chemical factories pouring waste water into the stream.有几家化工厂正在往小溪里排放废水。,There bedoing sth 有在做某事,e.g. There are some people waiting for the bus at the bus stop.,倒出;倾泻 pour into 把倒入 e.g. Pour red wine
5、into the glass.,1c Read 1a and complete the sentences in the table.,beautiful place,lots of flowers and grass,fresh and the water was clean,bees and butterflies dancing,The flowers and grass,so dirty,terrible,chemical factories,waste water,Everything,Now, its time for you to show youself !,Perform 1
6、a with your partners.,3 A. Listen to the sentences and number the pictures.,5,3,2,1,4,6,1. People _ _ _ too many trees, so I dont have enough leaves to eat. 2. I live in trees but now many trees _ _. 3. I like leaves and grass, but now they _ _. 4. I _ _ hungry for months because of less bamboo. 5.
7、Human polluted the sea, so I _ _ _. 6. The water _ _ many years ago. But it _ _ _ for me to live in now.,B. Listen again and complete the sentences.,have cut down,have gone,have disappeared,have been,dont live happily,was clean,is too dirty,Exercises,用所给动词的适当形式填空。 1. When I entered the room, I saw M
8、aria _ (read) a Chinese book. 2. What a shame! The flowers and trees in the park _ (go). 3. Everything _ (change) in the past few years. 4. Pandas dont have enough bamboos _ (eat) now because of the pollution. 5. Where have they been? They _ (be) to the Great Wall. They _ (have) a good time there th
9、e day before yesterday.,reading,have gone,has changed,to eat,have been,had,Exercises,单项选择 ( ) 1. Look! There are some boys _ on the playground. A. play football B. are playing football C. playing football D. plays football ( ) 2. Im sorry I cant go shopping with you. I am ill. _ A. What a mess! B. What a shame! C. What a pity! D. B and C ( ) 3. Dont _ water. We must save every drop of it. Sorry, I wont do it again. A. waste B. throw C. play D. leave,Homework 1. Read 1a. 2. Write a passage according to Part 4. 3. Finish Section A in your workbook. 4. Preview Section B.,Thank you.,