《If everyone starts to do something，the world will be saved》Save our world PPT課件2
Warming up
What can you see?
We can see that rubbish is being burnt. The smoke goes into the air. It is causing air pollution.
What can you see?
We can see a very dirty river. There is lots of rubbish. The fish have been dead because of the water pollution.
What can you see?
We can see some waste paper. It can be recycled, so it is wasteful to throw it away.
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Listening and vocabulary
1.Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.
factory, pollute, recycle, waste
Air has been polluted because factories produce electricity and energy for people every day.
A lot of waste paper is thrown away everywhere. We waste plenty of paper.In fact we can recycle it.
2. Listen and complete the sentences.(P96)
1. The factory is causing a lot of_________.
2. There should be some_____ to stop pollution.
3. We can_______ waste products, such as_______and paper in a recycling centre.
3. Listening part(P96)
StepI Listen for the first time and choose the right answers
(1)._____ is our great enemy, and we have to fight it.
A.pollution B.environment C.factory
(2).Pollution from factories spreads over______.
A.houses B.cities C.towns
(3).They use so much _____ and cause pollution as well.
A.coal B. oil C.cars
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Read and complete the passage with the correct form of the words in the box.
cause, enemy, factory, kill, oil, pollute, spread
Pollution is our great (1)________. Pollution from (2)_________is a danger to our health, and may even (3)____people. Factories sometimes(4)________ rivers, and farmers cannot use the water for their crops. Pollution(5)________ over cities and villages, and that (6)______ even more danger. Cars in the street use a lot of (7)_____and cause pollution too.
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課堂導學
1.It’s no use talking about things we can’t do.
談論我們不能做的事情是沒有用的。
句型1：It’s no use doing sth.做某事是沒有用的。
固定句式It’s no use doing sth.意為“做某事是沒有用的”。其中it是形式主語，真正的主語是動名詞短語。
It is no use telling him not to worry.
告訴他不要擔心沒有用。
It is no use crying over spilt milk.
覆水難收
即學即練一
單項選擇
It is no use____ back to one’s lost youth.
A. look B. looked C. looking D. to look
解析：句意為“回顧流逝的青春是沒有用的”，It’s no use doing sth.意為“做某事是沒有用的”。故選C。
2. Such as …?比如……？
短語1： such as 例如，比如
such as，意為“例如，比如”。用來列舉同類人或物中的幾個例子，as后面不可以有逗號。
The farm grows different kinds of crops , such as wheat ,corn , cotton and rice.
這個農場種植不同種類的莊稼，例如小麥、玉米、棉花和水稻。
3. That means less waste.
這意味著更少的浪費。
單詞1： less 較小的;較少的
less作形容詞，意為“較小的;較少的”。less是little的比較級，可用來修飾不可數名詞。
He spent less time doing the experiments.
他做實驗花的時間較少
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Exercises
一. 根據句意及首字母提示完成單詞。
1. Don’t w_____ water. Please turn off the taps after you wash your hand.
2. I get a job in a f_________.
3. It’s more and more important for everyone to save e__________ now.
4. Air p_______ is quite harmful to our health.
5. The students from a green school are helping collect waste paper and bottles for r_______.
二. 用所給單詞的適當形式或根據漢語提示填空。
1. The river has been __________(pollute).Look , the fish is dead.
2. Some factories________ (cause) pollution.
3. It’s no use ________(cry) .
4. We should ________(回收利用)waste paper and bottles.
5. If we don’t look after our earth well, the future will be _________.(hope)
6.The __________(敵人)were forced to lay down their arms(放下武器).
三. 根據漢語意思完成英語句子。
1. 污染是我們的敵人，我們必須與之作戰
Pollution is our great enemy, and we _____ _____ ______ it.
2. 來自該市的很多人都決心節約用水。
_____ _____ people from the city made up their mind to save water.
3. 邁克喜歡奶茶和可樂之類的飲料。
Mike likes drinks_____ _____ milk tea and cola.
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Homework
1.For some students ,you should read the conversation more and remember the key points.
2.For the other students ,you’d better finish task1 and do the exercises of our exercise book.
關鍵詞：《If everyone starts to do something，the world will be saved》教學課件，外研版九年級上冊英語課件，九年級英語幻燈片課件下載，《If everyone starts to do something，the world will be saved》PPT課件下載，.ppt格式
