《教育专题：九上U2T1SC.ppt》由会员分享，可在线阅读，更多相关《教育专题：九上U2T1SC.ppt（17页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、东城中学李广杰Can 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 midnightBurn
2、ing wood,gas,oil and coalListen and answer the following questions.Does the writer think noise is a kind of pollution?Yes,he does.录音录音p29-1aIs 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 toharm v.&
3、n.危害，伤害，损害危害，伤害，损害do great harm to对对有着极大的损害有着极大的损害E.g.It not only disturbs others but also does great harm to hearing.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听力都减弱了。quite a few=manyquite a little=muchvery few 几乎没有几个ver
4、y little 几乎没有一点However,not all people 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，意为表示不完全否定，意为“不不是所有的都是所有的都”。同样的结构还有。同样的结构还有not both,not every,allnot,bothnot,everynotRecently it was reported that many teenagers in America can hear no better than
5、 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.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 b
6、reak is a kind of pollution.Noise cant make people sick.Nowadays,few countries are trying to solve all sorts of pollution problems.1b Reading 1a again and then finish the following tasks.1.Give a proper title to this passage._2.Change the following sentences into ones that have the same meanings.a.N
7、ot all people know that noise is also a kind of pollution._ _ _ know(s)noise is a kind of pollution _ _._ _.b.Many teenagers in America can hear no better than 65-year-old people do.In America,many teenagers hearing is _ 65-year-old peoples.Noise PollutionNot everyoneas wellas weak as用所给词的适当形式填空。用所给
8、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
9、 deaf.reportedplayingto becomehave gonenoisy 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 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!