Unit 13 Section A 1a-1c 课件 四川省广元市2022-2023学年人教版初中英语九年级全一册

Unit13 We’re trying to save the earth! SectionA 1a-2c Objectives By the end of the class, students should be able to: Talk about air pollution, water pollution , noise pollution and waste pollution. Think about ways of protecting the environment. learn to use the sentence patterns ...used to...but now should do sth. 2 Lead-in: watch a video What kind of pollution is it? Water pollution. 3 Pre-listening Different kinds of pollution noise pollution air pollution water pollution waste pollution What caused these problems? 4 noise pollution Loud music planes building houses , , and caused the noise pollution. 5 air pollution Some factories are burning c and they are polluting the air with a lot of balck s . There are more and more cars on the road. They are putting w gas into the air. oal moke aste 6 loud music cars rubbish planes littering ships factories smoking building houses mobile phones noise pollution ____________ ____________ ____________ ____________ air pollution ___________ ___________ ___________ ___________ water pollution ____________ ____________ ____________ ____________ loud music planes mobile phones building houses cars factories cars smoking building houses ships factories littering rubbish Task 1: read the words and finish 1a. problem causes 7 While-listening :listen and complete the sentences in 1b. What was the problem? The river was _____________. Even the bottom of the river was full of _________. There were no more ______ for fishermen to catch. What caused the problem? People are throwing _______ into the river. Factories are putting ______ into the river. How should the problem be solved? We should write to the ____________ and ask them to ___________ the factor