Unit2 Topic3 What can we do at home to protect the environment.Section B课件（22张）

Section B
What can we do at home to protect the environment?
Unit 2 Topic 3
Noise is a kind of pollution and it’s
harmful to our hearing.
2. Work hard, or you will fail the exam.
3. Nodding the head means agreement
while/but shaking the head means
disagreement.
4. Hurry up, or you will miss the bus.
5. He has failed several times, but he
never gives up.
2
Review p44
ought to
shut off
electricity
distance
cloth
action
after all
应该
关掉
电
距离
布料
行动
毕竟
Teaching aims and demands:
Learn to give advice with the phrase “ought to”.
Lead students to protect the environment by doing ordinary things around us and to be greener persons.
You should /ought to …
shut off the electricity
n.电，电能
关闭
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.
1. ought to
情态动词
应该，应当做…
do sth.
You ought to turn off the lights when you leave a room.
2. ought not to
不应该做…
You ought not to get up so late in the morning.
(无人称和数的变化)
do sth.
你应该在你离开房间的时候关灯。
他不应该早上那么迟才起床。
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
1b
1. 一个更环保的人
3. 关灯
4. 代替，取代
6. 减少空气污染
7. 说起来容易做起来难。
a greener person
shut off the electricity
instead of (doing) sth.
reduce air pollution
8. 行动胜于言辞。
2. 应该
ought to do sth. / should do sth.
5. 短途旅行
travel a short distance
Easier said than done.
Actions speak louder than words.
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
1c
How can we become 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.
__________ 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
②
③
④
⑤
⑥
⑦
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
3
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:…
Exercises
1. I was cooking ____ he was reading.
A. after B. but
C. because D. while
2. We ____ throw rubbish about.
A. ought to B. ought
C. ought not D. ought not to
4. He is poor, ______ he is happy.
A. and B. but C. or D. so
5. I’d like to walk to the park instead of ____ there by bus.
A. going B. go C . goes D. to go
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)
ought to
shut off
instead of
easy
Actions speak louder than
words
What should we do to protect our environment?
(1) We should use plastic bags as few as possible.
(2) We shouldn’t throw the garbage in the river.
(3) We should reduce the waste we produce.
(4) We should use both sides of paper.
(5) We shouldn’t throw the plastic bags rather than reuse them.
(6) We shouldn’t throw litter about, we should throw it into the dustbins.
(7) We’d better ride bikes instead of driving to school
(8) We should turn off the light when we leave the room to save electricity.
We learn: 1. Some words: action, distance,
electricity
2. Some phrases:
ought to, shut off, after all
3. Some useful sentences:
(1)Would you like to be a greener person?
(2)First, you ought to turn off the lights when you leave a room.
(3)Easier said than done.
(4)Well, actions speak louder than words.
We Can: 1. Use the proper ways to protect
the environment in our life.
2. Talk about the greener life style.
Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section B in your workbook.
Preview Section C.
Thank you.