仁爱英语九年级上册unit-2-_1.ppt

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,hasn’t 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，在短文中划出下列短语。

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.工业的发展__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.读下列句子，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：两句的划线部分均为_____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：①As we know,______(get up) early ____ (be) good for our health. ②Health 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：两句划线部分 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, we’ll 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? I’ve 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,been,were,has happened,have gone,went,Simple Past ＆Present Perfect,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.,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. Let’s 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 on。