1、Unit 7 Protect the EarthStory time Save water Water is useful. We drink water and use water to clean things every day. In many places, there is not much water. We should not waste water. We should reuse and save it. Save energy Most of our energy comes from coal and oil. There is not much coal or oi
2、l on Earth. We should save energy. We should not drive so much because cars use a lot of energy. Save trees Wood comes from trees. We use wood to make tables, chairs and many other things. We should not cut down too many trees because trees help keep the air clean. Dont use too much plastic We use p
3、lastic to make bags and bottles, but too much plastic is bad for the Earth. We should not use too many plastic bags or bottles. We should use paper bags and glass bottles. True or false 1 There is not much water in many places. _ 2 Cars do not use much energy. _3 We should not cut down trees. _4 Tre
4、es help keep the air clean. _5 We should not use plastic bags because they are not useful. _Think and write How to protect the Earth We should save _ and _ water.We should not _ water. We should save _.We should not _ so much. We should save _.We should not cut down too many _. We should not use too
5、 many _ bags or bottles. We should use _ bags and _ bottles. Grammar time use water clean things use plastic make bags and bottles We use wood to make tables, chairs and other things .Lets review these. use paper bags and glass bottlesWe should save trees .drive so much use too many plastic bags or
6、bottles cut down too many trees We should not waste water .Fun time Every day I go to school.I think its really cool.We have fun in the classroom. Every morning and afternoon! cool food room school zoo Culture time Earth Day is on 22nd April. World Environment Day is on 5th June. We should love and
7、protect our Earth. Cartoon time Make a poster with your classmates. See page 91. Bobby and Sam are doing a project.The Earth is our home. We should protect it. All students should know this. Lets make a poster and tell them about it. Ok.I can help you. Sam starts drawing. Let me draw the Earth first
8、. Its green, blue and brown. There are trees and flowers on it. That looks nice. Then, Bobby and Billy draw. Let me draw some bananas on the trees. Let me draw a rubbish bin. You shouldnt litter, Bobby.The poster is ready. They put it at the school gate. What a nice poster! We should protect the Ear
9、th and keep it clean. Checkout time Look and write What should they not do?1 He should not _ in the restaurant. 2 They should not _ in the park.3 They should not _. 4 They should not _ in the river. 5 They should not _ in the library. 6 They should not _. Think and write To protect the Earth, what should we do? What should not do? Protect the EarthTo protect the Earth, we should _To protect the Earth, we should not _Ticking time I know how to protect the Earth. I can use “use. to.” I know the sound of “oo”.
