Unit 2 Saving the earth.>Topic 1 Pollution has causes too many problems. Section A课件（37张缺少素材）

(共37张PPT)
Topic 1 Pollution has caused too many problems.
Section A
Unit2 Saving the earth
Emotion aims 情感目标:
1.Cultivate keener interests for protecting the environment. 培养对保护环境的兴趣。
2. Learn to share feelings and cooperate with classmates. 学会分享感受，并与同学合作。
Skill aims 技能目标：
Master the usage of the words and phrases firmly. 牢固掌握单词的用法。
Be able to talk about pollution.会谈论污染。
Knowledge aims知识目标:
Learn the words ，including bee waste and so on.学习U2T1 Section A 的单词，如bee, waste等等。
2. Learn to use some expressions about pollution in writing.学会在写作中使用一些关于传染的表达。

Teaching
Aims
教学目标
Happy New Year’s Day!
What’s your plan for it?
Happy Winter Holiday!
I am going to have a picnic.
A: But I have no idea where to go. Can recommend（推荐）any place ?
Luckily, my good friend Kangkang recommends...
What’s West Hill like two years ago?
Two years ago...
He says…
1. There were lots of _____ and ______.
Two years ago...
flowers .
grass
2.The air was _____ and the water was _____.
Two years ago...
fresh
clean
bee
butterfly
3. You can___ bees and butterflies _______.
see
dancing .
e.g. I saw LiMing playing basketball.
bee
蜜蜂
butterfly
蝴蝶
butterflies
On Sunday, they come to the West Hill.
But are they happy?
Why?
What a mess!
Now…
What a shame!
多么脏乱啊！
多么遗憾啊！
[mes]n.肮脏；杂乱
[?e?m] n.羞耻；羞愧
1. The flowers and grass _________.
Now…
2.The water is so _____.
have gone .

dirty
Look! There are several chemical factories ______ waste water ____ the stream. 有几家化工厂正在往小溪里排放废水。
There be…doing sth:…有……在做某事
Now…
pouring
into
pour [p??(r)] v.倒出；倾泄
waste [we?st] adj.废弃的；丢弃的

There be…doing sth…
…有……在做某事
e.g. There are people waiting for the bus at the bus stop.
pour 倒出；倾泻
pour… into… 把……倒入……
e.g. Pour wine into the glass.
视频
1b Listen to 1a and mark the words with P (Past) or N (Now).

____ beautiful ____ butterflies ____ dirty
____ grass ____ terrible ____ factory
____ bees ____ fresh ____ clean
____waste water
P
P
N
P
N
N
P
P
P
N
Let’s play a game.
Jane and Maria: Kangkang, where shall we go?
Kangkang: What about the West Hill? I went there two years ago. It was a beautiful place. There were lots of flowers and grass. The air was fresh and the water was clean, and you could see bees and butterflies dancing.
Michael: Sounds great! Let’s go there.
(Kangkang, Jane ,Maria and Michael are planning a picnic for Sunday.)
(On Sunday, they come to the West Hill.)
Kangkang: What a mess! The flowers and grass have gone! The water is so dirty. It smells terrible. What has happened here?
Maria: What a shame! Look, there are several chemical factories pouring waste water into the stream.
Kangkang: Everything has changed.
Michael: Do you still want to have a picnic here?
Jane: Of course not
= have disappeared.
waste water: 废水
1a Listen, look and say.
Pollution around us...
We should protect the environment .

Now,…have/has gone.
…ago,
it was…
What has
happened?
Everything
has changed.
Talk about pollution in your hometown (in the past and at present) and then write down.
谈论污染并写下来
Oh, my goodness!
Group talk
1.The water was clean and the air was fresh.
2.We often went there and had a good time.
3.But now, everything has changed!
4.The flowers and grass have gone.
5.What has happened?
1.水很清澈，空气很清新。
2.我们经常去那儿，玩得很开心。
3.可是现在一切都变了。
4.花儿草儿都不见了。
5.发生了什么？
6.There are several chemical factories pouring waste water into the stream.
8.Polltion has caused too many problems!
Let's do something useful to protect the environment.
7.We should write to the government（政府）about it.
6.有一些化学工厂正往溪流里排放污水。
7.我们应该就这个问题写信给政府。
8.污染已经导致了太多问题。让我们做一些有用的事来保护环境。
cut down…
pour… into…
see…doing
What a shame!
pour
waste
v.
phrases
several
n.
butterfly
shame
mess
What a mess!
bee
adj.
waste
sentences.
There…doing…
单项选择
( ) 1. Look! There are some boys ________ on the playground.
A. play football B. are playing football
C. playing football D. plays football
( ) 2. — I’m sorry I can’t go shopping with you. I am ill.
— ________
A. What a mess! B. What a shame!
C. What a pity! D. B and C
( ) 3. — Don’t ________ water. We must save every drop of it.
— Sorry, I won’t do it again.
A. waste B. throw
C. play D. leave

C
D
A
用所给动词的适当形式填空。
1. When I entered the room, I saw Maria ________ (read) a
Chinese book.
2. What a shame! The flowers and trees in the park _________
(go).
3. Everything _____________ (change) in the past few years.
4. Pandas don’t have enough bamboos ________ (eat) now
because of the pollution.
5. — Where have they been?
— They __________ (be) to the Great Wall. They _______
(have) a good time there the day before yesterday.
reading
have gone
has changed
to eat
have been
had
Observe the pollution around you and take one photo write a report about it.
观察身边的污染并拍照，写一篇关于它的报告。
2. Review Section A and rewrite the words twice.复习Section A, 抄写两遍单词。
3. Preview 2-4 of Section B.预习Section B的2-4。