Unit 2 Topic 1 Pollution has causes too many problems.Section A 课件(共19张PPT，内嵌音频) 2023-2024学年英语仁爱版九年

(共19张PPT)
Unit 2
Saving the Earth
Topic 1 Section A
学习导航
新知学习
课堂小结
当堂检测
学习目标
重点研讨
新课导入
A: Where have you been/traveled
B: I have been/traveled to ...
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1.能熟悉并正确运用本课时的重点单词和短语
2.能谈论不同种类的污染，提高环保意识
学习目标
新知学习
课堂小结
当堂检测
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重点研讨
1a
Listen, look and say.
(Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.)
Jane and Maria: Kangkang, where shall we go
Kangkang: What about the West Hill
Jane: I went there two years ago. It was a mess. There were several chemical factories pouring waste water into the stream.
Maria: What a shame!
Kangkang: I have heard it has become a beautiful place.
There are lots of flowers and grass.
Michale: Sounds great! Let’s go there.
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Maria: Oh, what a beautiful place! The air is fresh and the water is clean, and you can see bees and butterfies dancing.
Kangkang: Everything has changed.
Michael: Do you want to have a picnic here
Jane: Of course.
(On Sunday, they come to the West Hill.)
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waste water
waste paper
waste
adj.
[we st]
Waste water. 浪费水。
Don’t waste paper. 不要浪费纸。
v.
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1b
Listen to 1a and mark the words with P(Past) or N(Now).
___ beautiful ____ butterflies
____ grass ____ factory
____ bees ____ fresh
____ clean ____waste water
P
N
N
P
N
N
N
N
新知学习
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1c
Read 1a and complete the sentences in the table. Then retell 1a to your partner.
Two years ago Now
1. It was a ______________. 2. There were several ________________ pouring _______________ into the stream. 1. The air is ________and the water is _________.
2. You can see __________________ dancing.
3. _____________has changed.
mess
fresh
clean
bees and butterflies
chemical factories
waste water
Everything
新知学习
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当堂检测
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2
Work in pairs. Look at the pictures and make up conversations similar to the example with your partner.
A: The villagers destroyed the flowers and grass when I visited the village last year.
B: But now the flowers and grass have come back.
A: What has happened here
B: The villagers have learned that they were wrong. And they have done a lot to make the village a better place.
village/flowers and grass
villagers/destroy
新知学习
课堂小结
当堂检测
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hill / trees
farmers/cut down
1
A: The farmers cut down the trees when I visited the hill last year.
B: But now the trees have come back.
A: What has happened here
B: The farmers have learned that they were wrong. And they have done a lot to make the hill a better place.
city/lake/fish
factory/pollute
2
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3
A. Listen to the sentences and number the pictures.
5
3
2
1
4
6
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1. People _____ _____ _____ trees, Now I have enough leaves to eat.
2. I live in trees. People have stopped ______ ______ trees. So I have more family members.
3. Leaves and grass ___________ many years ago. But now they have come back. I can have enough food.
4. I have found more bamboo on the mountain. I don’t have to ______ ______ _____ any more.
5. In recent years, I _____ _____ ______ ______ to make the sea clean again.
6. I couldn’t live in the river because it ___ ____ _____ for me to live in. Now it has become clean again, so I am safe.
B. Listen again and complete the sentences.
have planted more
cutting down
disappeared
worry about food
have seen people’s effort
was too dirty
新知学习
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4
Work in groups and talk about pollution in a place you are familiar with. The following sentences may help you.
Oh, my goodness! …ago, it was… Now, … have/ has come back. What has happened Everything has changed.
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Key points
1. … and you can see bees and butterflies dancing.
see sb. doing sth. 意为“看见某人正在做某事”，强调动作正在进行。
例如：　　
　I saw him talking with a man on my way home yesterday.
昨天我回家的路上，看见他正在和一个人谈话。
When I entered the room, I saw her watching TV.
当我进门的时候，我看见他正在看电视。
新知学习
课堂小结
当堂检测
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【拓展】
see sb. do sth.意为“看到某人做某事”，强调看到某人做过某事或经常做某事。
例如：
I often see him dance in the classroom.
我经常看见他在教室里跳舞。
I often see him help that old man do cleaning at weekends.
周末，我经常看见他帮助那个老人打扫房间。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2. There were several chemical factories pouring waste water into the stream.
当时有几家化工厂正在往小溪里排放废水。
① there be + sb./sth. + doing sth. 有某人/某物正在做某事
eg.
Listen! There is someone singing in the next room.
听！有个人在隔壁唱歌。
② pour…into… 把……倒入……
eg:
Please pour the red wine into the glass.
请把红酒倒进杯子里。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Unit 2
Topic 1 Section A
重点单词短语句型:
waste；
pour…into…；
see sb. doing sth.
there be + sb./sth. + doing sth.
谈论不同种类的污染，提高环保意识
新知学习
课堂小结
当堂检测
学习目标
重点研讨
根据首字母提示补全单词。
1.There were s_______ students reading books over there.
2. Don’t w even one drop of water, because the earth is very short of water.
3. Humans have p their own environment themselves.
4. Oh, what a m ! Environment has been totally destroyed by those factories.
5. What a s ! Those beautiful flowers are dead because of the poisonous (有毒的) soil.
everal
aste
olluted
ess
hame