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第一PPT > PPT課件 > 英語課件 > 外研版九年級(jí)英語上冊(cè) > 《Language in use》Save our world PPT課件

《Language in use》Save our world PPT課件

《Language in use》Save our world PPT課件 詳細(xì)介紹:

《Language in use》Save our world PPT課件《Language in use》Save our world PPT課件《Language in use》Save our world PPT課件

《Language in use》Save our world PPT課件

Teaching aims:

知識(shí)目標(biāo):To master some words and expressions about save our world:

factory, pollute, recycle, waste, enemy, crop, kill, oil, less, such as, hopeless…  

能力目標(biāo):

1.To understand  passages about pollution .

2. to learn to say  why we need to save the world and how to be green.

... ... ...

New words

pollute   v. 污染

factory   n.  制造廠; 工廠

waste   n.  廢料; 廢棄物

recycle  v.  回收利用, 再使用(廢品)

crop   n.  莊稼; 作物

enemy   n. 敵人; 仇人

oil   n. 石油

kill   v.  殺死; 弄死

... ... ...

What causes pollution ?

1.Pollution from factories spreads over cities and villages.If the rivers are polluted, farmers can’t use them to water their crops .

2.In some places, pollution from factories spreads over cities and villages

3.The cars on the roads use so much oil and cause pollution .

What can students do ?

1.every class  collects waste  which can be recycled or used again  .Then the school  sells the waste to help students. 

2. Order food that you can finish.

3. Use less electricity at home.

4. Learn ways to recycle rubbish.

5. Divide rubbish into different groups.

6. Use paper cups and paper bags.

7.Go to school on foot or by bike.

8. Do not throw away things made of glass, plastic and paper, but recycle them when possible.

9. Turn off lights when you do not need them.

10. Take a bag when you go shopping in stead of asking for a plastic bag. 

11. Use things  for as long as possible.

... ... ...

language points

1. We throw tons of rubbish away each year, and we have to make a change. 

ton     n. 噸

tons of  許多, 很多

e.g 我們?yōu)榻裢淼木蹠?huì)買了大量飲料。

We’ve bought tons of drinks for the party tonight. 

throw away  扔掉; 丟棄

e.g. When are you going to throw away those old magazines? 

你打算什么時(shí)候扔掉那些舊雜志.

他已經(jīng)失去了一個(gè)良好的機(jī)會(huì)。

He has thrown away a good chance

2. Repeat these three words daily: reduce, reuse and recycle. 

repeat    v. 重說; 重新做

前綴“re-”, 意思是“再, 重復(fù)”

e.g. I repeated after the teacher word by word. 

我跟著老師一個(gè)字一個(gè)字地讀。

3. Although it takes energy to change things into something else, it is better than throwing things away or burning them.

change … into … 

把……變成……

e.g. You can’t change iron into gold. 

你無法把鐵變成金子。

4. We cannot hope for rapid change, but let’s take these simple steps today …

take steps 采取措施

e.g.我們需要采取一些措施了減少污染。

We need to take some steps to reduce pollution

... ... ...

構(gòu)詞法

1.合成法

將兩個(gè)或兩個(gè)以上獨(dú)立且語義不同的單詞合在一起構(gòu)成新詞的方法叫做合成法。合成法是一種比較靈活的構(gòu)詞方法,可以合成名詞、形容詞、副詞、代詞、動(dòng)詞等。例如:afternoon, sportsman, blackboard, sportsperson, newspaper, 

2. 派生法

通過在詞根前面加前綴或在詞根后面加后綴構(gòu)成一個(gè)新詞的方法叫作派生法。要通過派生法理解和記憶單詞, 我們需要掌握常見的前綴和后綴及派生規(guī)律。

3. 轉(zhuǎn)化法

英語構(gòu)詞法中把一種詞性轉(zhuǎn)化為另一種詞性而詞形不變的方法稱作轉(zhuǎn)化法。常見的轉(zhuǎn)化有:

(1) 動(dòng)詞轉(zhuǎn)化為名詞

— Let’s talk about it more. 

咱們?cè)僬務(wù)勥@件事吧。

— I think we’d better finish the talk now. 

我想我們最好現(xiàn)在結(jié)束談話。

(2) 名詞轉(zhuǎn)化為動(dòng)詞

She gave me a cup of water. 

她給了我一杯水。

You should water the flowers twice a day. 

你應(yīng)該每天給這些花澆兩次水。 

... ... ...

Exercises

Complete the sentences with the words in the box.

hopeful    impossible   reuse   unhealthy   wasteful 

1. Polluted water is _________.

2. It is _______ to throw so much food away.

3. If you look after things well, you may _______ some of them later.

4. It is ________ to clean up the whole river in such a short time.

5. If we pay attention to pollution now, the future will be ________.

Complete the sentences with the correct form of the words in Activity 3.

She was  hopeful  that her new job would make her more successful.

1. The factory _______ the river, and the fish died.

2. We often walk in the countryside. It is a(n) _______ activity for us.

3. Do not use so much water. It is very _________.

4. To keep the flowers growing, you need to _______ them once a day.

... ... ...

Listening

Listen and check (√) the true sentences. 

1. It is OK to throw used things away. Looking after them takes a lot of time.

2. Do not throw away things made of glass, plastic and paper, but recycle them when possible.

3. Take a bag when you go shopping.

Discussion

Discuss your subject.

Take turns to say what you think about the problem and what can be done.

關(guān)鍵詞:《Language in use》教學(xué)課件,外研版九年級(jí)上冊(cè)英語課件,九年級(jí)英語幻燈片課件下載,《Language in use》PPT課件下載,.ppt格式

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