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1、Unit 2 Saving the Earth,Topic 1Pollution causes too many problems.Section C 课件 2,Do the sounds below cause noise pollution? Can they do harm to peoples hearing?,( )a. printing newspapers and books( )b. living near airports( )c. throwing rubbish around( )d. making a lot of noise in public( )e. living
2、 very close to a busy street( )f. listening to loud music,Discuss and check which causes pollution,（ ）Playing loud noise music at midnight （ ）Burning wood ,gas ,oil and coal（ ）Producing electricity by wind （ ）Talking loudly after class,Can you tell me any kinds of noise pollution? Yes, the sound of
3、,Discuss these phrases, checkwhich is pollution and talk about what kind of pollution it is.,Producing electricity by wind,talking loudly after class,laughing loudly at the cinema, smoking in public,playing loud rock music at midnight,burning wood ,gas, oil and coal,Listen to 1a, answer the followin
4、g questions.,Is noise harmful to human beings health?How do you know?,Yes, it is. Because people who work and live in noisy conditions may go deaf.,Key points,在Section C课文中找出下列词组英文,1. 对有害2.在噪音条件下 3. 变聋4.相当多5.听力丧失,do harm tobe harmful tobe bad for,in noisy conditions,go deaf,quite a few,hearing loss,
5、在Section C课文中找出下列词组英文,6.据报道7.和一样坏8.在公共场所9.使某人感觉怎么样10.各种各样,Its reported that,no better than,in public,make sb feel ,all sorts of/all kinds of,be harmful to = do harm to,harm v. & n. 危害，伤害，损害,do great harm to对有着极大的损害,1、太阳对您的皮肤可能会造成伤害。2、蚊子对人身体有害。 (mosquito),The sun may be harmful to your skin. A mosqui
6、to will do harm to your health.,Translate the following sentences into Chinese.,Quite a few people living near airports also have hearing loss.,许多生活在机场附近的人们也丧失了听力。,quite a few = manyquite a little = muchvery few 几乎没有几个very little 几乎没有一点,很多人喜欢游泳。,Quite a few people like swimming.,However, not all peo
7、ple know that noise is also a kind of pollution,然而，不是所有的人都知道噪音也是一种污染,not all 表示不完全否定，意为“不是所有的都”。同样的结构还有not both, not every, allnot, bothnot, everynot,Recently it was reported that many teenagers in America can hear no better than 65-year-old people do, ,近来有报道说美国许多青少年的听力像65岁的老人那么差，,It is reported tha
8、t 据报道It is said that据说It is believed that 人们相信,It was said that he was from a noble family.,据说他出身于贵族家庭。(a noble family ),no better than 同一样（差）=as weak as,He is no better than me in maths.,他的数学和我的一样差。,Exercises,1. I dont know when _. A. will the train leave B. the train will leave C. would the train
9、leave D. the train leave,单项选择,2. Miss Green didnt tell us _ in 2002. A. where does she live B. where she lives C. where did she live D. where she lived,3. Do you know _ this time yesterday？ A. what she is cooking B. what is she cooking C. what she was cooking D. what was she cooking,4. Peter knew _.
10、 A. whether he has finished reading the book B. why the boy had so many questions C. there were 12 months in a year D. when they will leave for Paris,5. It _ that the bad weather will stay for two days. A. will report B. reported C. reports D. is reported,6. Not only I but also Jane and Mary _ tired
11、 of having one examination after another. A. is B. are C. am D. be,用所给词的适当形式填空。,It was_ (report) that Liu Xiang would take part in the next Olympics.Look! There is a little boy_(play) soccer on the playground.,reported,playing,3.Noise pollution can cause people _(become) sick or deaf.4. Its a pity t
12、hat such a beautiful lake _(go).,to become,have gone,5. People who work and live in _(noise) conditions may go deaf.,noisy,1. .pollution is harmful to peoples health.2. Quite a few people living near airports also have hearing loss.3. .can hear no better than 65-year-old people do.4. it can even cause them to become sick or deaf.,Useful expressions,Homework,2. Write the composition in 3b.,1. Read 1a aloud.,3. Finish Section C in your workbook.,4. Preview Section D.,Goodbye!,
