Unit 13 Section A(1a-1c)(课件PPT)-【优翼·学练优】2021-2022学年九年级下册初三英语（人教版）

九年级（下） Go for it! 优翼英语教学课件 Section A (1a-1c) 优翼九年级英语下（RJ） 教学课件 Unit 13 We’re trying to save the earth. 学习目标 Key words & phrases: litter, bottom,fisherman, environmental protection. Key sentences: 1. People are throwing litter into the river.Even the bottom of the river is full of rubbish. 2. Everyone in this town should play a part in cleaning it up! . To talk about pollution and environmental protection. Let's watch a video ! Warming-up Earth Song water pollution noise pollution land pollution air pollution What kinds of pollution do you know? pollution noise pollution air pollution water pollution land pollution Do you know what caused the pollution? What should we do to save the earth? Free talk Pre-listening 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones litter/ˈlɪtə(r)/ v. 乱扔 n. 垃圾；废弃物 rubbish n. 垃圾；废弃物 noise pollution ________________________________________________________________________________________________ air pollution __________________________________________________________________________________________ water pollution ____________________________________________________________________________________ loud music planes building houses mobile phones (machines, crowds) cars factories smoking building houses (burning, power plants) rubbish littering ships factories (sewage, pesticides) 1b While-listening Listen and complete the sentences. 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 proble