仁爱英语九年级上册Unit2Topic1sectionC课件概要1.ppt

Do you like it? Why?Do you think noise is a kind of pollution?the sound of car, KTVthe sound of car, KTVbirds, classical musicbirds, classical musicCan you tell me any kinds of noise pollution? Yes, the sound of Discuss these phrases, checkwhich is pollution and talk about what kind of pollution it is.Producing electricity by windTalking loudly after classLaughing loudly at the cinema Smoking in publicPlaying loud rock music at midnightBurning wood ,gas, oil and coalListen and answer the following questionsListen and answer the following questions.DoesDoes thethe writerwriter thinkthink noisenoise is is a a kindkind ofof pollution?pollution?Yes,Yes, hehe doesdoes.录音录音p29-1ap29-1aIs it harmful to human beings health?How do you know?Yes, it is. Because people who work and live in noisy conditions may go deaf.be harmful to = do harm tobe harmful to = do harm toharm v. & n. harm v. & n. 危害，伤害，损害危害，伤害，损害do great harm todo great harm to对对有着极大的损害有着极大的损害E.g.E.g. It It notnot onlyonly disturbsdisturbs othersothers butbut alsoalso doesdoes greatgreat harmharm toto hearing.hearing. TranslateTranslate thethe followingfollowing sentencessentences intointo Chinese.Chinese.Quite a few people living near airports also have hearing loss.许多生活在机场附近的人们听力都减弱了。

quite a few = manyquite a little = muchvery few 几乎没有几个very little 几乎没有一点However,However, notnot allall peoplepeople knowknow thatthat noisenoise is is alsoalso a a kindkind ofof pollutionpollution然而，不是所有的人都知道噪音也是一种污染然而，不是所有的人都知道噪音也是一种污染not all not all 表示不完全否认，意为表示不完全否认，意为“ “不是不是所有的都所有的都同样的结构还有同样的结构还有not both, not every, allnot, not both, not every, allnot, bothnot, everynotbothnot, everynotRecently 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 that 据报道no better than 同一样坏According to 1a, tell which one is false.According to 1a, tell which one is false. In the U.S.A., many teenagers can hear no better than 65-year-old people do. Not all people work in noisy conditions. Making too much noise in the classroom during the break is a kind of pollution. Noise cant make people sick. Nowadays, few countries are trying to solve all sorts of pollu tion problems. 1b Reading 1a again and then finish the 1b Reading 1a again and then finish the following tasks.following tasks.1.1.Give a proper title to this passage. Give a proper title to this passage. _2.2.Change the following sentences into ones that have the Change the following sentences into ones that have the same meanings.same meanings.a.a.Not all people know that noise is also a kind of Not all people know that noise is also a kind of pollution.pollution. _ _ _ know(s) noise is a kind of pollution know(s) noise is a kind of pollution _. _.b. Many teenagers in America can hear no better than 65-b. Many teenagers in America can hear no better than 65-year-old people do.year-old people do. In America, many teenagers hearing is In America, many teenagers hearing is _ 65-year-old peoples.65-year-old peoples.Noise PollutionNoise PollutionNot everyoneNot everyone_ _as wellas wellas weak asas weak as3. Which of the following can do harm to 3. Which of the following can do harm to peoples hearing? Check( )them.peoples hearing? Check( )them.( )a. printing newspapers and books( )b. living near airports( )c. throwing rubbish around( )d. making a lot of noise in public( )e. living very close to a busy street( )f. listening to loud musicRetell the passage using the following Retell the passage using the following words.words.air pollution noise a kind of pollution go deaf have hearing loss no better than try to solve 1C1C PairPair workworkDiscuss which paragraphs of 1a the following statements belong to.People working in a sawmill for a long time may go deaf.China is trying to solve the problems of noise pollution.There are many kinds of pollution in the world.Building houses at night disturbs the people nearby.(2)(2)(3)(3)(1)(1)(2)(2)用所给词的适当形式填空。

用所给词的适当形式填空1.It was _ (report) that Liu Xiang would take part in the next Olympics.2.Look! There is a little boy _ (play) soccer on the playground.3.Noise pollution can cause people _ (become) sick or deaf.4. Its a pity that such a beautiful lake _ (go).5. People who work and live in _ (noise) conditions may go deaf.reportedreportedplayingplayingtoto becomebecomehave gonehave gonenoisynoisy pollution is harmful to peoples health. Quite a few people living near airports also have hearing loss. can hear no better than 65-year-old people do. it can even cause them to become sick or deaf.2. Written work2. Written workWrite a letter to the newspaper about the problem of pollution. The following questions may help you.1.What kinds of pollution are there in your hometown?2.What causes the problems?3.What are the bad effects of pollution?4.Whats your hope?Lets protect our earth!。