1、Unit 2 Saving the Earth Topic3 What can we do at home to protect the environment?,Section A,1.If you are _,drink some water. 2._of us likes untidy room. 3.How can we _ a serious water shortage. /vd/ 4.The sun _ in the east.（升) 5.Columbus _America.(发现) 6.缺少 7.关爱 8.结果 9. 变成 10.cut down 11.not, spit 12
2、.duty, plant,thirsty,None,avoid,rises,discovered,thirsty none of avoid doing rise- rose- risen discover be short of care for=take care of as a result change into People have cut down too many trees. Dont spit anywhere in public. Its our duty to plant trees.,What can we do to protect the environment?
3、,What can we do at home to protect the environment?,We should reduce the waste we produce. For example, we should use both sides of paper and reuse plastic bags.,1b Listen to 1a and complete the table.,organization,protect the environment,spread the message,reduce the waste,waste paper,1c Read 1a an
4、d complete the sentences.,The three Rs -_, _ and _ - are important. At home, we can, for example, use both _ of paper and reuse _ bags. At school, students are encouraged to _ waste paper and _ because recycling can protect the _ and _ money. Then we _ them _ they can be recycled.,reduce,reuse,recyc
5、le,sides,plastic,collect,soft drink cans,environment,save,sort,so that,_? Certainly. A.I know you are working for an organization. _? B. My main job is to help spread the message about protecting the environment. _? We should reduce the waste we produce. We should use both sides of paper and reuse p
6、lastic bags. A._? B. Recycling can protect the environment , and it can save money , too. So we encourage students to _. A. Thank you. B. _,Can I ask you a few questions,Can you tell me what you are doing there,So what can we do at home to protect the environment,What can students do at school,colle
7、ct waste paper and soft drink cans,Its a pleasure.,1.What can we do at home to protect the environment? 2. What can students do at school?,We should reduce the waste we produce. We should use both sides of paper and reuse plastic bags,Recycling can protect the environment, and it can save money, too
8、. So we encourage students to collect waste paper and soft drink cans.,3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge.,paper cups,glass bottles,cans,plastic bags,newspapers,3a Read the table and write the correct letter under each
9、 picture. Then sort the garbage based on your own knowledge.,3b Listen to the conversation and check your answers in 3a.,We learn: 1.Some words: protection, organization, recycle, plastic, can 2.Some phrases：encourage to do so that 3. Some sentences: (1) We should reduce the waste we produce. (2) We
10、 should use both sides of paper and reuse plastic bags. (3)Recycling can protect the environment, and it can save money, too. We can:1.Talk about environmental protection.,Summary,Homework,(1)我的主要工作是制作海报。 (2)我的老师鼓励我好好学习。 (3)Recycling不但可以保护环境，而且还可以省钱。 (4)我们在学校可以做什么来保护环境。 (5)我们应该使用纸张的正反面。 Recite 1a,(1
11、) You nod your head and it means agreement. (2) Hurry up, or youll miss the train. (3) Water is important but some people dont save it. (4) Some people protect animals while others kill animals.,Discuss the words underlined,并 列 句,连词 or, and, but 和 while的用法,表示并列关系，用and 表转折，用but, while 表选择，用or,2 Combi
12、ne the sentences with or, and, but or while, making some changes if necessary.,1. Noise is a kind of pollution. Its harmful to our hearing. Noise is a kind of pollution and its harmful to our hearing. 2. Work hard. You will fail the exam. Work hard, or you will fail the exam. 3. Nodding the head mea
13、ns agreement. Shaking the head means disagreement. Nodding the head means agreement while/but shaking the head means disagreement. 4. Hurry up. You will miss the bus. Hurry up, or you will miss the bus. 5. He has failed several times . He never gives up. He has failed several times, but he never giv
14、es up.,放弃,Wow! Weve got so much garbage! Soft drink cans, lunch boxes, plastic bottles, batteries, waste paper, paper bags and cups,4 Suppose you will have a Clean-up Day. Work in groups and find out the garbage. Then sort them based on 3a and talk about them.,A: I think lunch boxes should be reused
15、. B: What about waste paper ? A: I think,1.My main job is _(help) collect money for Project Hope. 2.I must ask him _(give ) up_(smoking). 3. _(nod) head means agreement. 4. I have nothing with me. I have only an umbrella. 5.I was doing my homework. My brother was running. 6. My father bought me a present. I like it very much. 7. Get there on time. You will miss the early bus. 8.Work hard. You will pass the exam.,
