（新课标）Unit2 Topic1 Pollution has caused too many problems. Section A 课件（30张）+内嵌音频

(共30张PPT)
Unit 2 Saving the Earth
Topic 1 Section A
Learning objectives
1.We can master some new words
bee /butterfly /mess /shame /several /pour /waste /villager/ destroy /cut down/ pollute /goodness
2.We can learn some phrases and sentences
see sb. sth. doing sth.
There be sb. sth. doing sth. pour...into
What a shame! What a mess!
3.We can describe the changes between now and the past with the Simple Past tense and the Present Perfect tense
4.We can realize the seriousness of environmental pollution and know the importance of environmental protection
Have you ever wandered lonely through the woods
And everything there feels just as it should
You're part of the life there
You're part of something good
If you've ever wandered lonely through the woods
If you've ever wandered lonely through the woods
Have you ever stared into a starry sky
Lying on your back you're asking why
What's the purpose I wonder who am I
Have you ever stared into a starry sky
Have you ever
Brandi Carlile
> Look and answer
What can you find
Have you ever wandered lonely
If you've ever wandered lonely
Have you ever stared into a starry sky
polluted
destroyed
cut
changed
Review
gone
go
change
cut
destroy
pollute
happened
pollute [p 'lu t] v.污染
happen
Pre-listening
Two years ago
Kangkang came to the West Hill.
How beautiful!
Pre-listening
What can you see
There are bees and several butterflies dancing.
bee [bi ] n.蜜蜂
several ['sev r l] 几个，数个
butterflies [ b t fla ] n.蝴蝶
Pre-listening
Let’s enjoy!
Look! They are having a picnic.
have a picnic 野餐
Pre-listening
Let’s enjoy!
Oh! What a mess! But they are dealing with these waste things.
mess [mes] n.肮脏，杂乱
waste [we st] adj.废弃的
Pre-listening
Let’s enjoy!
There aren’t chemical factories pouring waste water into the stream.
pour [p ] v.倒出；倾泻
Pre-listening
Let’s enjoy!
What a shame! My friends don’t come here.
shame [ e m] n.羞耻，羞愧
Pre-listening
g
Let’s enjoy!
The West Hill is so beautiful that I want to take some photos to my friends.Can you help me
几个
废弃的
脏乱
倒出 倾泻
Pre-listening
look and guess
After coming back,Kangkang and his friends are talking about something.Look!Can you guess
Work on 1b
While-listening
Listen to 1a and mark the words with P (Past) or N (Now).
____ beautiful
____ butterflies
____ grass
____ factory
N
N
N
P
bees
___ fresh
____ clean
____waste water
N
N
N
P
While-listening
Listen to 1a again and answer the following questions.
1.When will they go for a picnic
A.On Friday B.On Saturday C.On Sunday
2.Who went to the West Hill two years gao
A.Maria B.Kangkang C.Jane
While-listening
Listen to 1a again and answer the following questions.
3.What are mentioned in the past
A.Chemical factories B.Bees and butterflies C.Birds
4.What can we infer from this passage
A.Kangkang and his friends won’t have a picnic here.
B.We can see lots of flowers and grass now.
C.Chemical factories didn’t pollute the water.
Post-listening
work on 1c
Read 1a and complete the sentences in the table.
Two yers ago
1. It was a _______________.
2. There were several pouring______________into the stream.
mess
waste water
4 min
chemical factories
Post-listening
work on 1c
Now
1. The air is_______ and the water is
.
2. You can see
dancing.
3. has changed.
fresh
bees and butterflies
clean
Everything
Language points
Post-listening
(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 are several chemical factories pouring waste water into the stream.
Maria:What a shame!
There be sb./sth. doing sth.
有sb./sth.正在做某事
pour...into
把....倒进
What a shame!
太遗憾了！
Language points
Post-listening
Kangkang:I have heard it has become a beautiful place. There are lots of flowers and grass.
Michael:Sounds great! Let's go there.
(On Sunday, they come to the West Hill.)
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.
听起来很不错！
感叹句
What a+adj.+可数名词复数
see sb./sth. doing sth.
看见某人某物正在做某事
have a picnic 野餐
play a game
Post-listening
plant trees
看见某人正在做某事
把....倒进
有某人、某物正在某事
太遗憾了
野餐
see sb. doing sth.
There be sb./sth. doing sth.
pour...into
have a picnic
What a shame!
Retell 1a
Post-listening
The West Hill
Two yers ago
Now
mess
chemical factories
waste water
flowers and grass
air--fresh;
water-clean
bees and butterflies
Everything has changed
Free talk
Post-listening
Oh,my goodness! Several years ago,a villager cut down too many trees.He has destroyed them.
villager ['v l d ] n.村民
goodness ['g dn s] n.天哪
cut down 砍倒
Free talk
Post-listening
But now,the trees have come back.Everything has changed.Can you tell me something around you
w ork on 2
Post-listening
Work in pairs. Look at the pictures and make up conversations similar to the example with your partner.
village/flowers and grass villagers/destroy
The villagers destroyed the flowers and grass when I visited the village last year.
But now the flowers and grass have come back.
What has happened here
The villagers have learned that they were wrong. And they have done a lot to make the village a better place.
w ork on 2
Post-listening
Work in pairs. Look at the pictures and make up conversations similar to the example with your partner.
city/lake/fish
factory/pollute
hill/ trees
farmers/cut down
Let’s check
1. Look! There are some boys ________ on the playground.
A. play football B. are playing football
C. playing football D. plays football
A
B
C
D
C
Let’s check
2. — 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
A
B
C
D
A
Summary
The West Hill
new words
bee butterfly
mess shame
several pour
waste villager
destroy cut down
pollute goodness
phrases and sentences
see sb./sth. doing sth.
There be sb./sth. doing sth.
pour...into
What a shame!
What a pity
grammar
we can describe the changes between now and the past with the Simple Past tense and the Present Perfect tense.
Protecting the environment
everyone’s duty