单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 2 Saving the Earth,Topic 1 Pollution has caused too many problems,Section D,城北学校,It _(be)beautiful in the past.Kangkang _(go)there two years ago.,The flowers and grass _(go).,Everything _(change).,Mrs.Zhou _(be)like this since last week.,She _(not see)a doctor yet.,was,went,have gone,has changed,has been,hasnt seen,Simple past 强调过去,Present perfect 强调现在,They are caused,by pollution.,There are many kinds of pollution around us,air pollution,light pollution,litter,water pollution,soil pollution,noise pollution,including,预习导纲,一.读1a 短文，在短文中划出以下短语。,1.许多种污染_ 2.在我们周围_,3.对我们的健康有害_ 4.在许多方面_,5.造成空气污染_6.随着人口的增长_,7.工业的开展_8.用太多的化学药品_,9.破坏土壤_10.导致高血压 _,11.长时间在喧闹的地方工作 _,12.做绿色环保人士_,13.呼吸问题_,14.长时间在强光下工作_,二.读以下句子，翻译并探究。,Burning gas,oil,coal creates air pollution.,译：_,Working in strong light for a long time may cause,some kinds of illness.译:_,探究：两句的划线局部均为_短语。当其在句中,作_语时，应看作_数。,create v._，_;creative adj.创造性的,creation n.创造；创造物 生物,练一练：As we know,_(get up)early _(be),good for our health.,Health and wealth _ beauty.健康和财富能创造美丽.,A.disturb B.create C.bear D.destroy,2.With the increase in population and the development of industry,litter is everywhere.,译：_,With less pollution,our planet will become greener and our health will be better.译：_,探究：两句划线局部 均为with 加_短语构成介词短语在句中作_ 状语。,练一练：_the development of industry,China is becoming stronger and stronger.,A.With B.Without C.In D.During,1.The farmers use chemicals too much in their fields,so _ is difficult to stop.,A.air pollution B.soil pollution,C.water pollution D.noise pollution,2.The boss made the child laborers _ for 12 hours every day.,A.work B.workimg C.to work D.worked,3.If we work in a _place for a long time,well feel uncomfortable and unpleasant.,A.loud B.noisy C.noisily D.sound,4.There are _kinds of pollution on the earth.,A.quite a little B.much C.quite a few D.a lot,5.How long have you known him?Ive known him _.,A.two years ago B.since last year,C.two years D.in two years,当堂训练,B,A,B,C,B,Read through Sections A-C and fill in the blanks with the correct words.,Grammar,I _(go)there two years ago.,There _(be)lots of flowers and grass.,What _(happen)here?,I have _(be)like this since last week.,The flowers and grass _(go)!,been,were,has happened,have gone,went,Simple Past Present Perfect,Oh,what a _!,There are several chemical factories _ waste water into the stream.,Whats _,the factory makes too much noise,Noise 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.,Functions,shame,pouring,worse,go,harmful,better,harm,()1.What is the passage mainly about?,A.Air pollution.B.Light pollution.,C.Litter.D.All sorts of pollution.,()2._ destroy(s)the soil.,A.Chemicals B.Weather,C.Noise D.Industry,()3.How do people feel after they work in strong light for,a long time?,A.Excited.B.Happy.,C.Terrible.D.Sad.,How well do you know Sections A-C?Now do the following tasks and check.,A,D,C,Read 1a and choose the best answer.,Pollution,Cause,Effect,air pollution,burning_,_ and _,_ eyes and _ problems,soil pollution,_ is everywhere,use too many _,_ environment and _ food,noise pollution,_ place for a long time,make people _ and cause _ pressure,light pollution,_ light,kinds of _,bad for _,1a Read the passage and complete the table on Page 34.,gas,oil,coal,sore,breathing,litter,chemicals,dirty,unhealthy,work in a noisy,deaf,high blood,strong,illnesses,eyes,1.They are bad for our health in many ways.,They _to our health in different ways.,2.People may 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.,1b Read and understand the first sentence.Then complete the second one.,hearing loss,do harm,go,because of,/are harmful,There are many _ of pollution around us.They are _ for our health in many ways.,Air pollution causes _ eyes and _ problems._ makes our environment dirty.Soil pollution _ the soil and _ unhealthy food.Noise pollution makes people _ and causes high blood pressure.Light pollution is bad for _ and causes some kinds of _.,With less pollution,our planet will become _ and our health will be better.Lets be greener people.,Complete the passage according to 1a.,kinds/sorts,bad,sore,breathing,Litter,destroys,causes,deaf,eyes,illnesses,greener,Language points,1.In the fields,farmers use too many,chemicals,which destroy the soil,.,在地里，农民使用了太多,对土壤起破坏作用的,化肥和农药。,定语从句,2.Too much noise can cause,high blood,pressure,as well.,噪声太大也可能导致高血压。,high blood pressure 高血压,请回忆too many和 too much的用法,More tasks.,Phrase collection,把倒入 _,have got a pain in _,throw around _,对有害 _,not all people _,go deaf _,丧失听力 _,和几乎一样坏 _,disturb others _,各种各样样的 _,在很多方面 _,pour into,疼,乱扔,be harmful to,=do harm to,不是所有人,变聋,=have hearing loss,lose ones hearing,no better than,打搅别人,all sorts/kinds of,in many ways,Mar