Unit 13 Section A 1a-2d 课件 2023-2024学年人教版英语九年级全册

Section A 1a-2d Endangered animals Natural disasters Pollution The world's problems air pollution noise pollution water pollution land pollution These are serious problems for our environment. Next, let’s talk about the things we can do to help. try to use the public transportation recycle books and paper turn off the light when you leave a room turn off the shower while you are washing your hair Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. 1a noise pollution ____________ ____________ ____________ ____________ air pollution ___________ ___________ ___________ ___________ water pollution ____________ ____________ ____________ ____________ loud music planes 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 cars Listen and answer the questions. 1. Why doesn’t Mike want to swim in the river? 2. What was the river like in the past? 3. Why is this happening to the river? Because the river was really dirty. It used to be so clean. Because people are throwing litter into the river. Factories are also putting waste into the river. 1b 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 problem be solved? We should write to the _____________ and ask them to _____________ the factories. Everyone should help to _____________the river. really dirty rubbish fish litter waste government close down clean up Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a. 1c Mark: The river was dirty. Even the