1、Earth; part; forest; land; ocean; rubbish; sick; recycle; glass; own1. Can we do anything to help the Earth? 2. We should stop cutting down so many trees.EarthforestlandoceanMs Guo: Look at the picture. What is it?Kitty: Its the Earth.Ms Guo: The green and brown parts are forests and land. What are

2、the blue parts?Joe: I think theyre oceans.Ms Guo: Yes, they are. The Earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the Earth?Alice: Yes. We should stop throwing rubbish into rivers.Peter: We should stop cutting down so many trees.Kitty: We s

3、hould stop using plastic bags.We live on the Earth. The Earth is a beautiful place. There are riers, oceans, land and forests. There are many different plants and animals too.People, plants and animals need clean water and air. Sometimes people throw rubbish into rivers and oceans. Sometimes people

4、cut down too many trees. Smoke from cars and factories makes the air dirty. The Earth gets sick.Now people work together to keep the Earth clean and healthy. They pick up rubbish. They plant trees every year.They recycle glass and paper. They bring their own shopping bags and stop using plastic bags

5、.sick生病的生病的 地球生病了。recycle回收利用；再利用回收利用；再利用 我們應(yīng)該回收這些瓶子。glass玻璃制品；玻璃玻璃制品；玻璃 這些瓶子是玻璃制品。own自己的自己的 我有自己的房間。Answer the questions.1. Why does the Earth get sick?2. What do people do to keep the Earth clean and healthy?Sometimes people throw rubbish into rivers and oceans. Sometimes people cut down too many

6、trees. Smoke from cars and factories makes the air dirty.They pick up rubbish. They plant trees every year. They recycle glass and paper. They bring their own shopping bags and stop using plastic bags.The Wangs are on the holiday in the _.Bob: Lets go fishing, Mary!Mary: There is some _in the water.

7、 Its very _. Fish cannot live there.Bob: Look! Some smoke is rising slowly in the air.Dad: It comes from a _. The air is not clean here. The countryside is not _now. We must stop polluting the countryside.countrysiderubbishdirtyfactorycleanTom: What are you doing, Ben?Ben: 1. _Tom: What are they abo

8、ut？Ben: The Earth Day.Tom: 2. _Ben: Its on the last Saturday of March.Tom: What do people usually do on that day?Ben: 3. _ They work together to save electricity.Tom: What are you going to write on your posters?Ben: 4. _ Im going to give them out in the supermarket near my home.Tom: Thats great! 5. _ Can I help you? Im good at drawing.Ben: Sure！Thank you.A. People usually turn off lights for an hour at night.B. When is the Earth Day？ C.