仁爱科普版（2024）九年级上册Topic 1 Pollution has causes too many problems.优秀教学ppt课件

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Learning bjectives
After learning the lessn, we can:
Learn sme cre wrds and expressins f the text;
Express exclamatin;
Knw the differences between simple past and present perfect.
Understand changes in the envirnment and establish envirnmental awareness.
Yu and yur friends are abut t have a picnic. Where wuld yu recmmend when yur friends ask yu fr places?
Have yu ever had a picnic? Where did yu g?
Kangkang and his friends are als planning t have a picnic.
They will g t the West Hill.
Pre-listening
waste water
butterflies
waste waterwaste paperWaste water. 浪费水。Dn't waste paper. 不要浪费纸。
What's the main idea f the passage?
Kangkang and his friends are planning t g t West Hill fr a picnic n this Sunday.
While-listening
bees ___ fresh ____ clean ____waste water
Listen t 1a and mark the wrds with P (Past) r N (Nw).
____ beautiful ____ butterflies ____ grass ____ factry
1. It was a _______________.2. There were several ________________ puring______________int the stream.
1c Read 1a and cmplete the sentences in the table. Then retell 1a t yur partner.
waste water
chemical factries
1. The air is_______ and the water is .2. Yu can see _________________________dancing.3. _______________ has changed.
bees and butterflies
…yu culd see bees and butterflies dancing.你还能看见蜜蜂和蝴蝶在飞舞。点拨: see sb./sth. ding sth. 看见某人/某物正在做某事对比: see sb./sth. d sth. 看见某人/某物做了某事(全过程)拓展：类似的动词还有 hear, watch, find, feel …e.g. (1) I saw Jack _____ sccer there when I walked past the playgrund. A. t play B. playing C. played D. play (2) I saw her ____ the rad just nw. A. crss B. crssed C. crsses D. t crss
Language pints
2. Sunds great ! 听起来真棒！ It smells terrible. 气味真难闻。 sunds great ，smells terrible 系表结构：系动词 + 形容词
初中常见的系动词总结：be/keep/feel/smell/sund/taste/lk/seem…+形容词
e.g. 1)音乐听起来很棒。______________________ 2)我感到很开心。 ______________________
The music sunds great.
I feel very happy.
3. There were several chemical factries puring waste water int the stream. 看，有几家化工厂正在往小溪里排放废水。
e.g. 请把红酒倒进杯子里Please _____ the red wine ____ the glass.
点拨(1)：there be + sb./sth. + ding sth. 有某人/某物正在做某事
点拨(2) : pur…int… 把……倒入……
e.g. 听！有个人在隔壁唱歌。Listen! ___ ___ smene ______ in the next rm.
pur int
There is singing
(Kangkang, Jane, Maria and Michael are planning a _______ fr Sunday.)J & M: Kangkang, where _______ we g? K: What abut ______________? J：I _____ there tw years ag. It ____a mess. There _______ chemical factries _________ waste water ______ the stream. M: What a _______!K：I ___________ it has becme a ___________ place. There _____ lts f flwers and grass. Michael: Sunds great! Let's g there.(On Sunday, they cme t the West Hill.)M: Oh, what a ___________ place! The air _____ fresh and the water ____ clean, and yu culd see bees and butterflies _________. K: Everything _____________.Michael: D yu want t have a picnic here? J: Of curse.
the West Hill
has changed
It was a mess!
The water was dirty.
The chemical factries were puring waste water int the river.
Lts f fish were dead.
They were als prducing terrible gas.
The sky is blue.
There are lts f flwers and grass.
The air is fresh.
We can see bees and butterflies dancing.
The river is clean.
Free-talk:Which place d yu want t recmmend?
3 A. Listen t the sentences and number the pictures.
B. Listen again and cmplete the sentences.
1. Peple ______ ______ ______ trees. Nw I have enugh leaves t eat. 2. I live in trees. Peple have stpped ______ ______ trees. S I have mre family members.3. Leaves and grass ____________ many years ag. But nw they have cme back. I can have enugh fd.4. I have fund mre bamb n the muntain. I dn't have t ______ ______ ______ any mre.5. In recent years, I ______ ______ _________ ________ t make the sea clean again.6. I culdn't live in the river because it ______ ______ ______ fr me t live in. Nw it has becme clean again, s I am safe.
have planted mre
cutting dwn
disappeared
wrry abut fd
have seen peple's effrt
was t dirty
2 Wrk in pairs. Lk at the pictures and make up cnversatins.
village/flwers and grassvillagers/ distry
hill/ treesfarmers/cut dwn
lake/fishfactry/pllute
Pst-listening
Since the refrm and pening-up, China has develped rapidly.
The wrld has changed fr the better.
transprtatin
cmmunicatin
But the envirnment has als been destryed by the develpment f sciety.
4. Wrk in grups and talk abut pllutin in a place yu are familiar with. The fllwing sentences may help yu.
Oh, my gdness!... ag, it , ... have/has gne.What has happened? Everything has changed.
Thinking: What can we knw and what shuld we d?
We shuld understand the changes in the envirnment, pay attentin t glbal envirnmental issues, and establish envirnmental awareness.
1. When I entered the rm, I saw Maria ________ (read) a Chinese bk.2. What a shame! The flwers and trees in the park _________ (g).3. Everything _____________ (change) in the past few years.4. Pandas dn’t have enugh bambs ________ (eat) nw because f the pllutin.5. — Where have they been? — They __________ (be) t the Great Wall. They _______ (have) a gd time there the day befre yesterday.
用所给动词的适当形式填空。
1. Express exclamatin: What a shame! =What a pity! Sunds great!2. Knw the differences between Simple Past and present perfect. I went there tw years ag. Everything has changed.
1. Sme wrds: bee, butterfly, mess, shame, several, pur, waste, village, destry, cut dwn, gdness 2. Sme phrases: see sb./sth.ding sth. see sb./sth. d sth. pur… Sme sentences: There are…ding…