Unit 2 Saving the earth. Topic 3 What can we do to protect the environment? Section A 课件(共21张PPT)

课件21张PPT。Can you sort the garbage?(1) We should use plastic bags as few as possible.
(2) We should throw the garbage in the river.
(3) We should reduce the waste we produce.
(4) We should use both sides of paper.
(5) We should throw the plastic bags rather than reuse them.You can nod or shake the head! Nodding the head means agreement. Shaking the head means disagreement. v.点头n. 同意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. Key words 1.work for an organization
2.help spread the message
3.the three R’s ---reduce, reuse and recycle
4.reduce the waste
5.reuse plastic bags
6.recycle
7.encourage sb. to do sth.
8.sort
Retell it (1) You nod your head and it means agreement.
(2) Hurry up, or you’ll miss the train.
(3) Water is important but some people don’t 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. It’s harmful to our hearing.
Noise is a kind of pollution and it’s 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.
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Unit 2 Saving the Earth Topic3 What can we do at home to protect the environment? Section A What do they mean?Are you a greener person?Which day is the World Environment Day? Do you know how these kinds of pollution affect our environment? What should we do to improve our environment? Listen to 1a again and answer the questions.(1) Who is working for an organization that protects the environment?
Jane.
(2) What’s her main job?
Her main job is to help spread the message about protecting the environment.
(3) Should we use both sides of paper?
Yes, we should.
(4) Why is the recycling useful?
It can protect the environment, and it can save money, too. 并 列 句连词 or, and, but 和 while的用法
①表示并列关系，用and…
②表转折，用but, while…
③表选择，用or…1a Listen, look and say. 1b Listen to 1a and complete the table. organization protect the environmentspread the message reduce the wastewaste paper1c Read 1a and complete the sentences. The three R’s ---______, ______ 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. reducereuserecyclesidesplasticcollectsoft drink cansenvironmentsavesortso that3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge. paper cupsglass bottlescansplastic bagsnewspapers3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge. √√√√√3b Listen to the conversation and check your answers in 3a. Wow! We’ve 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… We learn: 1.Some words: nod, agreement
2.Some phrases：give up
3. Some sentences:
(1) We should reduce the waste we
produce.
(2)Recycling can protect the
environment, and it can save money, too.
We can:1.Use the compound sentences with or, and, but
and while.
2.Talk about environmental protection.
SummaryRead 1a.
Memorize the useful expressions and key sentences which we learn today.
Finish Section A in your workbook.
Preview Section B.
AssignmentThank you !