仁爱科普版九上Unit 2 Saving the earth.Topic 3 What can we do at home to protect the environment？ Section B

(共27张PPT)
Section B
The earth is ______________.
crying for help
How to save it
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.
hile
nd
ut
hanged
our
erious
Let’s know more about the earth.P46.3
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.
educe
ecycle
reener
verything
毕竟，归根结底
greener
What can we do to be a greener person
We should _____________________ (关闭电源) when we leave a room.
shut off the electricity
We’d better walk or ride a bike instead of taking a bus or a taxi if we __________________(短途旅行) .
travel a short distance
X
X
We should _____________ (带一个布袋) when you go shopping.
take a cloth bag
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
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.
ought to do sth = should do sth
ought not to do sth = should not do sth
说起来容易做起来难
行动胜于雄辩
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
Can you recite the three ways to be a greener person according to the pictures
First, ……
Second, ……
Third, ……
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.
2
1
3
4
5
6
7
Writing: (Group work)
As students, how can we become a greener person Write the sentences as many as you can .(5 minutes for you)
You may write the sentences like this .
First, We should / ought to use both sides of the paper.
Second, You'd better ……
Third, Don't ……
Fourth, .......
Saying:
Which group says the most sentences frequently in one minute It will be the winner.
1. Everyone __________ reduce waste to protect the environment.
may B. ought to
C. oughtn’t to D. shouldn't
2. He will walk to school instead of_____ a car to save energy and reduce pollution.
A. take B took
C. taking D. to take
3. Don't be too strict with Jack, ________, he is just a little kid.
A. as a result B. what's more
C. as a matter of fact D. after all
4. –I think it’s so easy to learn English.
--___________.We should make more efforts.
It doesn’t matter.
B. Take it easy.
C. Easier said than done.
D. It's my pleasure.
shut off the electricity
ought to do sth
instead of
travel a short distance
save energy
reduce air pollution
take a cloth bag
Easier said than done.
Actions speak louder than words.
关掉电源
应该做某事
3.代替
4.短途旅行
5.节约能源
6.减少空气污染
7.带一个布袋
8.说起来容易做起来难。
9. 行动胜于言辞。
Some new words、phrases and sayings:
Three ways to be a greener person:
First, ……
Second, ……
Third, ……