Unit+2+Topic+1+Section+D 仁爱版九年级英语上册.pptx

《Unit+2+Topic+1+Section+D 仁爱版九年级英语上册.pptx》由会员分享，可在线阅读，更多相关《Unit+2+Topic+1+Section+D 仁爱版九年级英语上册.pptx（29页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 2 Saving the EarthTopic 1 Section D 学习目标学习目标预习检测预习检测知识梳理知识梳理课堂总结课堂总结学习导航重点探究重点探究当堂当堂检测检测新课导入新课导入Lets review Fill in the blanks with the correct forms of the given words.1.The man working in a _ factory goes deaf because of the loud _.(noise/noisy)2.Burning coal can _ the air,and we call it air

2、_.(pollute/pollution)3.Using too many chemicals in the land can cause _food and its bad for peoples _.(health/healthy/unhealthy)4.Strong light is _ to our eyes and does great _ to our body.(harm/harmful)5.Mrs.Zhou can hardly _ because of the bad air.And she often coughs day and night,out of _.(breat

3、h/breathe)noisynoisepollutepollutionunhealthyhealthharmfulharmbreathebreath 学习目标学习目标能熟悉并正确运用本课时的重点单词和短语能熟悉并正确运用本课时的重点单词和短语12能初步学能初步学习which 引引导的定的定语从句从句3能能通通过阅读不同种不同种类的的污染，染，获取具体信息，取具体信息，进一步一步提高提高阅读的能力的能力1.All sorts of pollution around us are bad _ our health _ many ways.A.for;by B.for;in C.of;in D.o

4、f;by2.Working in noisy conditions for a long time is bad for our hearing.I agree with you.It may make people go _.A.sour B.deaf C.gray D.well预习检测预习检测BB3.Burning gas,oil and coal _ air pollution and it can also _ some illness.A.creates;cause B.created;cause C.created;causes D.creates;causes4._ the in

5、crease in population,there will be more problems.A.With B.On C.At D.Because 5._ in strong light for more than one hour is really bad for our eyes.A.Read B.Reading C.Reads D.To readAAB知识梳理知识梳理Key points 1.Burning gas,oil,coal creates air pollution.燃烧气体、石油和煤都会造成空气污染。燃烧气体、石油和煤都会造成空气污染。create v.造成，创造 cr

6、eative adj.创造性的 creation n.创造；创造物 Key points2.In the fields,farmers use too many chemicals which destroy the soil.在地里，在地里，农民使用了太多民使用了太多对土壤起破坏作用的土壤起破坏作用的化肥和化肥和农药。定语从句定语从句Key points3.Too much noise can cause high blood pressure as well.噪声太大也可能噪声太大也可能导致高血致高血压。high blood pressure 高血高血压 as well 也也,还e.g.W

7、ere going to the party tonight.Why dont you come along?as wellKey phrases把倒入 疼乱扔 对有害 变聋 丧失听力 和(几乎)一样坏 各种各样的 在很多方面 pour intohave got a pain in throw aroundbe harmful to=do harm togo deaf lose ones hearing=have hearing lossno better thanall sorts/kinds ofin many waysSimple Past Present PerfectGrammarI

8、 _(go)there two years ago.It _(be)difficult for me to breathe.What _(cause)your cough?How have you _(be)?Luckily,the government has _(solve)the problem.beenwascausedsolvedwent FunctionsOh,what a _!There were several chemical factories _ waste water into the stream.What was _,the factory made too muc

9、h noiseNoise is _ to humans health.People who work and live in noisy conditions often _ deaf.many teenagers in America can hear no _ than 65-year-old people do,does great _ to peoples hearing.shamepouringworsegoharmfulbetterharm探究一不同种类污染的产生及影响There are many kinds of pollution around us,including:air

10、 pollutionlight pollutionlitterwater pollutionsoil pollutionnoise pollutionPollutionair pollution01Factories let a lot of black smoke into the air.There are too many cars and they let out too much waste gases.Some factories are pouring waste water into the river.People littered the river.water pollu

11、tion02noise pollutionThe noise from the cars and some machines.03The loud music from the square dance.light pollution04It makes people feel terrible and is especially bad for eyes.In the fields,farmers use too many chemicals which destroy the soil.Soil pollution causes unhealthy food.soil pollution0

12、51a Read the passage and complete the table on Page 34.There are many kinds of pollution around us,including air pollution,soil pollution,noise pollution and light pollution.They are bad for our health in many ways.Burning gas,oil and coal creats air pollution.It can cause sore eyes and breathing pr

13、oblems.With the increase in population and the development of industry,litter is everywhere.It makes our environment dirty.People put lots of litter into the land.In the fields,farmers use too many chemicals which destory the soil.Soil pollution causes unhealthy food.Noise pollution can make people

14、deaf.For example,people may lose their hearing if they work in a noisy place for a long time.Too much noise can cause high blood pressure as well.Working in strong light for a long time may cause some kinds of illnesses.It makes people feel terrible and is especially bad for eyes.With less pollution

15、,our planet will become greener and our health will be better.Lets be greener people.PollutionCauseEffectair pollutionburning _,_ and _ eyes and _ problemssoil pollution_ is everywhere,use too many _ environment and _ foodnoise pollution_ place for a long timemake people _ and cause _ pressurelight

16、pollution_ lightkinds of _,bad for _gasoilcoalsorebreathinglitterchemicalsdirtyunhealthywork in a noisydeafhigh bloodstrongillnesseseyes1b Read and understand the first sentence.Then complete the second one.1.They are bad for our health in many ways.They _ to our health in different ways.2.People ma

17、y lose their hearing if they work in a noisy place for a long time.If people work in noisy conditions for a long time they may have _.3.Noise pollution can make people deaf.People may _ deaf _ noise pollution.hearing loss do harm/are harmful gobecause ofMaking a Wall Newspaper About Pollution1.Colle

18、ct some pictures about pollution.Project2.What kind of pollution does each picture show?Work in groups and discuss its bad effects.Make a wall newspaper about different kinds of pollution and the harm caused by them.通过以上活动，我们可以知道：污染的种类很多样化。一般包括：air pollution,soil pollution,noise pollution and _等。不同种

19、类的污染产生的原因和影响也不同。例如：空气污染是因为燃烧天然气、石油和煤炭等造成的。它会引起_。当堂当堂检测见检测见DCFDCF课课件件活动小结活动小结light pollution眼睛疼痛和呼吸问题当堂检测当堂检测 根据句意，用所给单词的适当形式或汉语提示完成句子。1.The bad air makes my chest hurt and its difficult for me _(breath).2.They are doing their homework carefully.Youd better not _(disturb)them.3.It is known that smoking does great _(harm)to us.4.The chemical factories _(生产)terrible gas.5.Each year people pour _(废物)into rivers,lakes and so on.6.Loud noises can cause high _(血)pressure as well.bloodproducewasteto breathedisturbharmSummaryUnit 2Topic 1 Section D初步学习which 引导的定语从句通过阅读不同种类的污染，获取具体信息，进一步提高阅读的能力