Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu ? Section B 课件 32张PPT

Unit 2 Saving the Earth
Topic 3 What can we do at home to protect the environment?
Section B
科学普及出版社 九年级上册
Guessing Games
Do you know?
When is World Environment Day?
It is on _____________every year.
June 5th
What does it mean?
A:一个绿色的人
B :一个环保的人
What does “ a greener person” mean?
Would you like be a greener person?
How to be a greener person?
We should the electricity (关闭电源)
when we leave a room.
What should we do?
turn off
Turn off=
Shut off关闭
=We should the electricity (关闭电源)
when we leave a room.
shut off
We should the tap
What should we do?
shut off
Exercise 1
What should we do?
We should _______to school when we travel a short distance (短途旅行/距离近).
walk
should=
ought to 应该
=We _______ walk to school when we travel a short distance (短途旅行/距离近).
ought to
Exercise ２
What should we do?
We should _________ to school when we travel a short distance (短途旅行/距离近).
ride bikes
=We _______ ride bikes to school when we travel a short distance (短途旅行/距离近).
ought to
What should we do?
We ought to ______________instead of(而不是) taking plastic bag(塑料袋）.
take a cloth bag
be supposed to
ought to =
=We ______________ take a cloth bag instead of(而不是) taking plastic bag (塑料袋）.
are supposed to
What should we do?
=We ______________ use both sides of the paper.
are supposed to
We ought to ______________of the paper.
use both sides
How can Jane become a greener person?
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
Key sentences:
First sentence , last sentence
Hi, Michael, would you like to be a greener person.
Easier said than done.
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 _____________.
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
To be a greener person
2. If you travel a short __________, you shouldn’t _________________ , but ________________. So this helps to ___________ and ____________.
distance
take a bus or a taxi
walk or ride a bike
save energy
reduce air pollution
To be a greener person
3. When you go shopping, you’d better _____________ instead of using _____________.
take a cloth bag
plastic bags
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
1. 应该___________________________
2.代替__________________________
3.毕竟，归根结底 ________________　
4.减少空气污染___________________
5.一个环保主义者_________________
6. 节约能源_______________________
7. 关掉电源__________________________
8. 短途出行__________________________
9.说起来容易做起来难。 ______________
10. 行动胜于言辞。 ______________________
II. Read it again and find out the phrases.
ought to=should=be supposed to
Instead of
After all
reduce air pollution
A greener
Save energy
Shut off(turn off) the electricity
Travel a short distance
Easier said than done.
Action speaks louder than words
J: Hi, Michael. Would you like to be a greener person?
M: Of course, I’d love to. But what should I do?
J: First, you ought to shut off the electricity when
you leave a room.
M: Oh, that’s easy. What’s next?
J: Second, you’d better walk or ride a bike instead
of a bus or a taxi if you travel a short distance.
M: That’s right. It will save energy and reduce air pollution
J: Third, take a cloth bag when you go shopping. Don’t use plastic bags.
M: It’s so easy to be a greener person.
J: Easier said than done .
M: Well, actions speak louder than words.
II. Read it again and finish the exercise.
I would like to be a greener person.
First I ought to ___________the electricity when I leave a room.
Second, I’d better walk or ___________instead of taking a bus or a taxi if I travel a short distance. I will energy and reduce air pollution.
Third, I will when I go shopping. I won’t use plastic bags.
It’s easy to be a greener person. And ____ speak louder than words.
shut off
ride a bike
save
take a cloth bag
action
Fill in the blanks.
What other ways to be a greener person?
______ waste. Don’t buy cups or boxes which can be used only once.
Save electricity. ________ the electricity when you are not using it.
Reduce
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
1
Shut off
2
3.________ boxes and plastic bottles.
4.________ fruit vegetables yourself.
5.Try to ________ a bike when you travel.

Recycle
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
1
Grow
2
3
4
5
ride
6. _________ both sides of the paper.
7.__________ pans when you are cooking.

Use
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
1
Cover
2
3
4
5
6
7
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
Homework
1. Recite and act out the dialogue of 1a with your partner or make a similar dialogue with your partner;
2. Finish the exercise of how to be a greener person.
How to be a greener person?
The earth is our home. It’s our duty to protect the environment. There are many ways for us to be a greener person.
First, we should_________________________.
Second, we ought to ________________________.
Third, we had better_________________________.
Fourth, we can_____________________________.
Sixth, we shouldn’t_________________________.
All in all , we should try our best to save the earth.