Unit 13 Section A 1a-1c课件 2021-2022学年人教版九年级英语全册

Section A 1a-2c Unit 13 We’re trying to save the earth! Objectives To talk about pollution and environmental protection To learn to use the sentence pattern used to...but now To do …, we should do … . What kind of pollution do you know? noise pollution air pollution water pollution land/waste/soil pollution noise pollution What can you see in the pictures? What kinds of pollution are they? 【教学目的】 1、通过图片,引入主题,初步了解环境污染类型,比如land/waste/soil pollution等等,为听力做好内容和词汇上的准备。 【讲稿内容】 【1】What can you see in these pictures? 【2】What kinds of pollution are they? 【3】In(点击动画) the first picture, we can see a rubbish dump that pollutes the environment around it. 【4】This(点击动画) is land or waste or soil pollution. 【5】In (点击动画)the second picture, a plane is flying over some houses. 【6】It is flying at a low altitude. 【7】The noise level must be quite high for the people living in those houses. 【8】It(点击动画) is noise pollution. 5 What are the problems? What caused noise pollution? noise pollution Free talk How to solve these problems? 1a.Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. noise pollution _ _ _ _ air pollution _ _ _ _ water pollution _ _ _ _ loud music planes cars mobile phones factories cars smoking ships factories littering rubbish building houses building houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones 1b.complete the sentences. What was the problem? The river was _. Even the bottom (底部) of the river was full of _. There were no more _ for fishermen (渔民) to catch. really dirty rubbish fish 需自行插入听力音频 8 What caused the problem? People are throwing _ into the river. Factories are putting _ into the river. How should the problem be solved? We shoul