1、Unit 2 Saving the Earth Topic3 What can we do at home to protect the environment?,Section A,Do you know how these kinds of pollution affect our environment?,What should we do to improve our environment?,What can we do at home to protect the environment?,We should reduce the waste we produce.For exam
2、ple, we should use both sides of paper and reuse plastic bags.,Key words,1.work for an organization 2.help spread the message 3.the three Rs -reduce, reuse and recycle 4.reduce the waste 5.reuse plastic bags 6.recycle 7.encourage sb. to do sth. 8.sort,Retell it,1b Listen to 1a and complete the table
3、.,organization,protect the environment,spread the message,reduce the waste,waste paper,1c Read 1a and 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 _ becaus
4、e recycling can protect the _ and _ money. Then we _ them _ they can be recycled.,reduce,reuse,recycle,sides,plastic,collect,soft drink cans,environment,save,sort,so that,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,(1) You nod your head and it means agreement. (2) Hurry up, or
5、 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,2 Combine the sentences with or, and, but or while, making some changes if necessary.,1. Noise is a kind of pollution. Its harmful to ou
6、r 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 means agreement. Shaking the head means disagreement. Nodding the head means agreement while/but shaking the head means disagreement
7、. 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 gives up.,放弃,3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge.,3
8、b Listen to the conversation and check your answers in 3a.,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. B: What about waste paper ? A: I think,Read 1a. Memorize the useful expressions and key sentences which we learn today. Finish Section A in your workbook. Preview Section B.,Homework,Thank you !,
