牛津深圳版初中英语七年级上册unit3writing精品课件（共18张PPT）

牛津新沪教版初中英语七年级上册unit3writing精品课件 Unit 3 Module 2 The natural world Oxford English Writing The Earth Do you still remember what was the problem with our earth? Group discussion … More practice Where does air pollution come from? ? ? ? ? ? ? ? Different kinds of pollution air pollution land pollution water pollution … from traffic, … air pollution water pollution land pollution … waste, … rubbish, … … plant more trees, … clean rivers, … put rubbish into bins, … … Do you know? Pollution Causes of pollution Things we can do In pairs, talk about what we can do to protect the Earth. Follow the example. S1: What kinds of pollution are there? S2: There is air pollution, water pollution, land pollution and so on. S1: Where does air pollution come from? S2: It mainly comes from traffic and factories. S1: What can we do to protect the Earth? S2: We can plant more trees. S1: Are there any other things we can do? S2: We can … Writing: Protect the Earth A In pairs, look at the photo