(
课件网) Unit 4 The Earth 牛津广州版七年级上册 Why should we learn about the Earth Key question 主题范畴：人与自然 Speaking +Writing The Earth is an amazing planet. Review 2. The plants on earth are... The tallest trees... The smallest plant... 1. There are... fields and mountains, rivers and seas, forests and deserts 4. provide..with... such as... 3.The Earth is home to... like...（例如） 1. 2. 3. 4. catch a lot of fish Example: S1: What problem is the Earth facing S2: People catch a lot of fish. There are fewer and fewer fish in the sea every year. ... Follow the example and take turns asking and answering questions like this: S1: What problem is the Earth facing S2: People _____. There is/are _____. ... (problem) (result) Problem Result fewer and fewer fish in the sea What problems is the world facing P 59 use a lot of dangerous farm chemicals, less and less clean groundwater S1: What problem is the Earth facing S2: People use a lot of dangerous farm chemicals. There is less and less clean groundwater. Problem Result S1: What problem is the Earth facing S2: People burn oil and gas to make energy. There are more and more harmful gases. burn oil and gas to make energy, more and more harmful gases Result Problem S1: What problem is the Earth facing S2: People cut down trees and build farms. There is less and less forest land. cut down trees, build farms, less and less forest land Problem Result Our only home, the Earth, is in danger. What should we do We should do something to protect our Earth. 有危险的 stop using plastic bags take, shopping bags to... We can stop using plastic bags. We should take our shopping bags to the supermarket. We must stop doing sth.... We can do sth.... We should do sth.... It is important for us to do sth. ... reuse water turn off , when...leave... We can turn off the light when we leave the classroom. It’s important for us to reuse the water in our daily life. We must stop doing sth.... We can do sth.... We should do sth.... It is important for us to do sth. ... dustbin 垃圾桶 must stop throwing...away everywhere put...into.. We must stop throwing rubbish away everythere. We should put rubbish into the dustbin. We must stop doing sth.... We can do sth.... We should do sth.... It is important for us to do sth. ... must stop burning...to make energy green energy The factories must stop burning things to make energy. It’s important for us to use the green energy. We must stop doing sth.... We can do sth.... We should do sth.... It is important for us to do sth. ... We can stop using plastic bags. We can turn off the light when we leave the classroom. We should put rubbish into the dustbin. We should take our shopping bags to the supermarket. The factories must stop burning things to make energy. We must stop throwing rubbish away everythere. It’s important for us to use the green energy. It’s important for us to reuse the water in our daily life. What can we do ... ...
