人教版九年级英语上册Unit13 We are trying to save the earth全单元课件.pptx

Unit 13We are trying to save the earth.Section A 1a-1cPoints on P97try to do =try one’s best to do 努力去做某事mobile phones 手机rubbish, litter ,waste, garbage ,垃圾,废物the bottom of … 的河底be full of 充满……fisherman-fishermen 渔民government 政府throw … into 把…扔到ask sb. to do 要求某人干某事used to do sth 过去常常做某事clean up 打扫used to be…过去常常…play a part in…参与，在……中扮演角色 try to do mobile phones litter ; rubbish;waste the bottom ofbe full of fishermangovernment throw … into ask sb. to do sth. used to do sth clean up used to be play a part in Review努力去做某事手机垃圾,废物…底部充满……渔民政府把…扔到要求某人过去常常做某事打扫过去常常…在……中起作用，在……中扮演角色 air pollutionwater pollutionnoise pollutionland pollutionHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.1aloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phoneswater pollution ________________________________________________noise pollution ________________________________________________carsair pollution ____________________________________________loud musicshipsfactoriesplanesrubbishsmokinglitteringmobile phonescarsfactoriesbuilding housesbuilding housesHelp save the earth We must think of better way to treat our planet in future.Start with little things!No littering!You go shopping. What do you do?You use a lot of new plastic bags. That’s bad for the Earth.You use your own bag.That’s good for the Earth.When you write on a piece of paper, what do you do?You use paper on one side only.That’s bad for the Earth.You use paper on both sides.That’s good for the Earth.close down the factories;help to clean up the river; take the bus or subway;ride a bike;bring a bag to go shopping,throw rubbish in the cans; turn off the lights when you leave a room;use paper or resusable bags;recycle books and paper; turn off the shower when you wash your hair;dont use napkins;solutions1bListen and complete the sentences.What was the problem?The river was _____________. Even t