Unit 2 Saving the earth. Topic 3 What can we do to protect the environment?Section A 课件 26张PPT 无音视频

课件26张PPT。Unit 2 Saving the EarthTopic3 What can we do at home to protect the environment? Section A These kinds of pollution affect our environment a lot.What should we do to protect our environment? What do they mean?Are you a greener person?Which day is the World Environment Day? 1b. Read through 1a and complete the table. organization protect the environmentspread the message reduce the wastewaste paper1.为一个组织工作-----
2.传播信息----------
3.使用纸的正反面-----
4.循环使用塑料袋-----
5.省钱-----
6.鼓励某人做某事-----
7.搜集废纸-----
8.为了, 以便于…-----
9.把垃圾分类--------
10.快点！-------------
11.放弃--------------work for an organizationspread the messagesave moneyencourage sb. to do sth.collect waste paperso thatsort the garbagehurry upgive upuse both sides of paperreuse plastic bags你知道下列短语吗？Find out the sentences in1a, and underlined them, then translate them.（在1a中找出这些句子并划线，然后再译 成汉语）
1.We all know that you’re working for an organization that protects the environment.
2.We should reduce the waste we produce.
3.Then we sort them so that they can be recycled
4.Recycling can protect the environment, and it can save money, too.
.
定语从句v.把……分类表并列1c. Read 1a again 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 thatAs we all know, there are different kinds of garbage around us , we must learn how to sort them to improve our environment.So we must know the three R’s-----reduce, reuse and recycle3a. 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… (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 v.点头n. 同意Recycling can protect the environment, and it can save money, too.并 列 句 并列句是由并列连词把两个或两个以上的简单句连在一起构成的句子，连词前可用逗号，也可不用逗号。
①表示并列关系，用and…
②表转折，用but, while…
③表选择，用or…连词 or, and, but 和 while的用法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1.A journalist is talking about ___________________(环境保护) with Jane
2.My main job is to spread the messages about _______________________ (保护环境).
3.We should use _________________(纸的两边) .
4.We encourage students to ________________________(将废瓶子分类)。
5._____________(摇头) means disagreement.
根据汉语提示完成句子environmental protectionprotecting the environmentboth sides of the papersort the waste bottlesShaking the headExercisesWe 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.
Summary1.Recite or retell 1a.
2.Memorize the useful expressions and key sentences which we learn today.
3.Finish Section A in your workbook.
4.Preview Section B.
HomeworkGoodbye!Thank you !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. (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 waste paper1b. Read through 1a and complete the table. 4.We should reduce the waste we produce.
5.Then we sort them so that they can be recycled
6.Recycling can protect the environment, and it can save money, too.
定语从句v. 把……分类表并列Can you sort the garbage?