(共26张PPT)
To be a princess, you have to believe that you are a princess. 要想成为公主，先要相信自己就是公主。《公主日记2》
Miss Li：姑娘们，你把自己当公主，别人才会把你当公主，不管白马王子有没有出现，都要好好爱自己！
Unit 2 Saving the Earth
Topic3 What can we do at home to protect the environment
Section A
Learning aims
1.To master some words: protection, organization,
recycle, plastic, can, nod, agreement ,disagreement,
battery;
some phrases：give up, hurry up
2.Learn to talk about environmental protection. ﹙学会谈论环境﹚
3.Use the compound sentences with or, and, but
so and while.
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 are they doing
pick up the rubbish
spread the message about protecting the environment
What are we supposed to do
use cloth bags instead of
plastic bags
collect waste paper for recycling
What should we do to improve our environment
Listen and answer
What kinds of things can students do at school
to protect the environment
（录音）
自学指导（一）
一.听1a录音, 回答下列问题.(4分钟）
1.What's Jane's main job
2.What are the three Rs
3.What kinds of things can we do at home to protect the environment
二.自读1a,并找出重点单词、短语和句子，参照注解，小组进行讨论，交流，合作学习,完成1b和1c.
listen to 1a again and answer the following questions.
1.What’s Jane’s main job
2.What are the three Rs
3.What kinds of things can we do at home
to protect the environment
Her main job is to help spread the message about protecting the environment.
Reduce, reuse and recycle.
We should reduce the waste we produce.
（影片）
1b Listen to 1a and complete the table.
An interview with Jane
where Jane works in an ________________ to ______________________
what Jane is doing helping ________________ about protecting the environment
what we can do at home ________________ we produce
what students can do at school collect __________ and soft drink cans
organization
protect the environment
spread the message
reduce the waste
waste paper
1c 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.
reduce
reuse
recycle
sides
plastic
collect
soft drink cans
environment
save
sort
so that
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.use both sides of paper
6.reuse plastic bags
7.recycle---recycling---can be recycled
8.encourage sb. to do sth.
9.sort sth.
10. so that
(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
1.我的主要工作是帮助宣传有关环保组织工作。
2.就保护环境而言，我们在家能做些什么呢？
3.比如，我们应该双面使用纸张和重复使用塑料袋。
4.回收再利用能保护环境而且也能节约资金。
5.所以我们鼓励学生们収集废纸，饮料瓶等并把它们分类存放，以便回收利用。
自学指导（二）
1.参考课本126页语法讲解“并列句”，同桌讨论连词or ,and ,but， while和so的用法。
2. 独自完成课本P44-2.
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,对比，用but, while…
③表选择，用or…
④ 表因果，用so, for
含有两个或两个一上独立的简单句的句子叫并列句。通常由and,but,while,or,so等
连词来连接。如：
1.表示并列关系、动作先后关系，常用and连接。
e.g.After lunch my aunt came in and she looked worried.
午饭后我姑姑进来了，她看起来很着急。（表示并列关系）
I finished my homework ,and I went to bed.
2.表示转折，对比关系，常用连词but,while等。
e.g.He is very rich, but his brother was very poor.
汤姆非常富有，然而他的哥哥非常穷。
3.表示选择关系，常用连词or,either...or..等。
e.g.He came by bus ,or he came by taxi.
他乘公共汽车来的，或者他乘出租车来的。
Either you tell the truth ,or you say nothing .
你要么说实话，要么什么也别说。
4.表示因果关系，常用so,for 连接。
E.g.The coat was very expensive ,so I didn't buy it.
那件上衣很贵，所以我没买。
It is very cold today,for it snows. 今天很冷，因为下雪了。
并列句
(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.
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
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 picture. Then sort the garbage based on your own knowledge.
Type of garbage Recycled Reused Reduced
plastic bags
paper cups
cans
newspapers
glass bottles
√
√
√
√
√
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.
