《What can we do at home to protect the environment?》SectionB PPT
第一部分内容：Let’s play a game.
Say a sentence with and, or, but & while like this one by one.
A : I like English and I’m good at it.
B: I am good at English while my good friend is good at history.
C: My good friend is good at history but …
Group work
How do you sort the garbage you’ve collected on your own Clean-up Day.
plastic bottles...
soft drink cans, plastic bottles,
waste paper, glass, paper bags
and cups ...
... ... ...
《What can we do at home to protect the environment?》PPT，第二部分内容：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
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.
... ... ...
《What can we do at home to protect the environment?》PPT，第三部分内容：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.
... ... ...
《What can we do at home to protect the environment?》PPT，第四部分内容：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.______ waste. Don’t buy cups or boxes which can be used only once.
2.Save electricity. ________ the electricity when you are not using it.
3.________ boxes and plastic bottles.
4.________ fruit and vegetables yourself.
5.Try to ________ a bike when you travel.
6._________ both sides of the paper.
7.__________ pans when you are cooking.
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《What can we do at home to protect the environment?》PPT，第五部分内容：Exercises
1.You ______ ______(应该) throw the rubbish into the garbage.
2.You should ______ ______(关闭)the electricity when you leave a room.
3.You’d better walk or ride a bike ______ _____ (代替) taking a bus or a taxi if you travel a short distance.
4.It’s so ______(容易) to be a greener person.
5._______ _____ _____ _____ ________.(行动胜于言辞)
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《What can we do at home to protect the environment?》PPT，第六部分内容：summary
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.
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《What can we do at home to protect the environment?》PPT，第七部分内容：Assignment
Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section B in your workbook.
Preview Section C.
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