(共21张PPT)
Unit 2 Saving the Earth
Topic3 What can we do at home to protect the environment
Section A
Teaching Aims
重点短语及句型：
work for an organization
help spread the message
the three R’s ---reduce, reuse and recycle
encourage sb. to do sth.
sort
2. 语法：连词 or, and, but 和 while的用法
。
Learn by yourselves
environmental protection
2. work for an organization
3.help spread the message
4. both sides
5. reuse plastic bags
6. nod-nodded-nodded-nodding
7. hurry up
8. give up(doing)sth.
9.give in.
10. give… out =hand… out
1.环境保护
2.为一个组织工作
3.帮助传播信息
4. 两边
5. 重复使用塑料袋
6. 点头
7. 赶快
8. 放弃（干）某事
9.屈服
10.分发
Learn by yourselves
连词 or, and, but 和 while的用法
1.and表示并列,用and连接的并列句可用if引导一个肯定的条件状语从句改写， and去掉。
You nod your head and it means agreement.
＝ If You nod your head , it means agreement.
2.Or 表选择，用or连接的并列句可用if引导一个否定的条件状语从句改写， or去掉。
Hurry up, or you’ll miss the train.
= If you don’t hurry up, you’ll miss the train.
3. but译为“但是”（侧重转折）
Water is important but some people don’t save it.
4. while译为“然而”（侧重对比）
Some people protect animals while others kill animals.
Self-check
1.环境保护
2.为一个组织工作
3.帮助传播信息
4. 两边
5. 重复使用塑料袋
6. 点头
7. 赶快
8. 放弃（干）某事
9.屈服
10.分发
environmental protection
2. work for an organization
3.help spread the message
4. both sides
5. reuse plastic bags
6. nod-nodded-nodded-nodding
7. hurry up
8. give up(doing)sth.
9.give in.
10. give… out =hand… out
What should we do to improve our environment
Can you sort the garbage
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.
3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge.
b. paper cups
e. glass bottles
c. cans
a. plastic bags
d.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.
1a Listen, look and say.
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.
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
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
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
(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) 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
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…
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
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…
Thank you !(共19张PPT)
Unit 2 Saving the Earth
Topic 3 What can we do at home to protect the environment
Section B
Teaching Aims
重点短语及句型：
ought to 应该 情态动词
ought to +动词原形
ought not to + 动词原形
2. 语法：连词 or, and, but 和 while的用法
。
Learn by yourselves
1.a greeener person
2. ought(not) to do sth.
=should(not) do sth.
3. instead of(doing)sth.
4. shut off=turn off
5. save energy
6. Easier said than done.
7. Actions speak louder than words.
8. To do well is better than to say well.
9.Actions can speak.
10.after all
10. cut(+代词) down
1.一个环保人士
2.应该干某事
3.而不是（干）某事
4. 关闭
5. 节约能源
6.说起来容易做起来难
7.行动胜于言辞
8. 说得好不如干得好
9.行动能表达
10.毕竟
Self-check
1.一个环保人士
2.应该干某事
3.而不是（干）某事
4. 关闭
5. 节约能源
6.说起来容易做起来难
7.行动胜于言辞
8. 说得好不如干得好
9.行动能表达
10.毕竟
1.a greeener person
2. ought(not) to do sth.
=should(not) do sth.
3. instead of(doing)sth.
4. shut off=turn off
5. save energy
6. Easier said than done.
7. Actions speak louder than words.
8. To do well is better than to say well.
9.Actions can speak.
10.after all
What should you do if you would like to be a greener person
You should sort the garbage.
=You ought to sort the garbage.
Language points
ought to 应该 情态动词
ought to +动词原形
ought not to + 动词原形
You should /ought to …
shut off the electricity
n.电，电能
关闭
Language points
e.g. You should / ought to shut off the electricity when you leave a room.
You should/ought to ride a bike to your school.
You should/ought to take a bus to school instead of taking a taxi.
You should/ought to take a cloth bag when you go shopping.
Language points
1b Listen to 1a and choose the correct answers.
1.Jane and Michael are mainly talking about _______.
why we should shut off the electricity when we leave
what we should use when we go shopping
how to be a greener person
2. Actions speak louder than words means ____.
words are not as loud as actions
to do well is better than to say well
actions can speak, but words can’t do it
Actions speak louder than words.
Remember some English idioms and try to use them often.
Easier said than done.
说起来容易做起来难。
行动胜于言辞。
1a Look, listen and say.
1c Read 1a and complete the table.
To be a greener person
1._______________________________when you leave the room.
2. If you travel a short __________, you shouldn’t _________________ , but ________________. So this helps to ___________ and ____________.
3. When you go shopping, you’d better _____________ instead of using _____________.
You ought to shut off the electricity
distance
take a bus or a taxi
walk or ride a bike
save energy
reduce air pollution
take a cloth bag
plastic bags
Retell it
Retell 1a like this:
I would like to be a greener person.
First I ought to shut off the electricity when I leave a room.
Second, I’d better walk or ride a bike instead of taking a bus or a taxi if I travel a short distance. I will save energy and reduce air pollution.
Third, I will take a cloth bag when I go shopping. I won’t use plastic bags.
It’s easy to be a greener person.
How can we become a greener person
2 Choose the correct verbs or phrases to complete the statements. Then match them with the right pictures.
shut off reduce grow recycle ride cover use
______ waste. Don’t buy cups or boxes which can be used only once.
Save electricity. ________ the electricity when you are not using it.
________ boxes and plastic bottles.
________ fruit and vegetables yourself.
Try to ________ a bike when you travel.
_________ both sides of the paper.
__________ pans when you are cooking.
Reduce
Shut off
Recycle
Grow
ride
Use
Cover
2 Match them with the right pictures.
①Reduce waste. Don’t buy cups or boxes which can be used only once.
②Save electricity. Shut off the lights when you are not using them.
③Recycle boxes and plastic bottles.
④Grow fruit and vegetables yourself.
⑤Try to ride a bike when you travel.
⑥Use both sides of the paper.
⑦Cover pans when you are cooking.
3 Read the passage and fill in the blanks with the correct words. Then listen and check. The first letter of each word is given.
The earth is our home. Some things we have done are good for the earth w_____ some are bad. We have polluted the earth, a______ it is sick now. We c_____ down too many trees, so lots of rich land has c_______ into desert. Factories p____ waste water into rivers. Pollution has caused many s_____ problems. The earth is crying for help.
What shall we do to save it We should plant more trees, r_________ the waste we produce, r_________ the waste paper and soft drink cans, and ride bikes to reduce air pollution. I think we should try to be g_________ people to protect our earth. After all, we have only one earth. We should do e_________ to protect it, or we’ll be punished and lose our home.
hile
nd
ut
hanged
our
erious
educe
ecycle
reener
verything
毕竟，归根结底
4 Work in groups and survey your group members about what they do to be greener people. Then report it to your class. Pay attention to the stress, liaison, incomplete plosion and intonation.
Example:
A: `Wha(t) do you `often `do to be a `greener person
B: Well. `I `always `shut off the electricity when I `am not
`using it .
A: `Good. `What about you , `John
C:…
You ______ ______(应该) throw the rubbish into the garbage.
You should ______ ______(关闭)the electricity when you leave a room.
You’d better walk or ride a bike ______ _____ (代替) taking a bus or a taxi if you travel a short distance.
It’s so ______(容易) to be a greener person.
_______ _____ _____ _____ ________.
(行动胜于言辞)
Exercises
ought to
shut off
instead of
easy
Actions speak louder than words
Thank you !
