初中英语Topic 1 Pollution has causes too many problems.多媒体教学ppt课件
展开Have yu ever had a picnic?
Kangkang, Jane, Maria and Michael are planning a picnic fr Sunday.They will g t the West Hill.
What can yu see there?
We can see bees and butterflies dancing.
Is the West Hill beautiful?
a place with
beautiful flwers
many hills
green trees
What a shame/mess! The flwers and grass have gne!
The flwers and grass have gne!
Oh, my gdness. What a mess!
Lk! There are several chemical factries puring waste water int the stream.
= have disappeared.
Is it beautiful nw?What has happened there?
There are several chemical factries puring waste water int the stream.有几家化工厂正在往小溪里排放废水。
There be…ding sth… ……有……在做某事
e.g. There are sme peple waiting fr the bus at the bus stp.
倒出;倾泻pur… int… 把……倒入……e.g. Pur red wine int the glass.
1b Listen t 1a and mark the wrds with P (Past) r N (Nw).____ beautiful ____ butterflies ____ dirty ____ grass ____ terrible ____ factry ____ bees ____ fresh ____ clean ____waste water
Try t finish the passage
In the past (the west hill)It ___a beautiful place , there _____ flwers and grass , the air ____fresh and the water _____clean ,and yu culd seebees and butterflies ______Nw everything has changed. What has happened here?The flwers and grass_____ .The water ____ dirty and ____ , terrible, there are several chemical factries___ waste water____the stream.Oh ,my gdness. What a shame!
1a Listen, lk and say.
1c Read 1a and cmplete the sentences in the table. Then retell 1a t yur partner.
beautiful place
lts f flwers and grass
fresh and the water was clean
bees and butterflies dancing
The flwers and grass
chemical factries
waste water
2 Wrk in pairs. Lk at the pictures and make up cnversatins similar t the example with yur partner.
Example:A: There were lts f flwers and grass when I visited the village last year.B: But nw the flwers and grass have gne.A: What has happened here?B: The villagers have destryed them.
lake/fishfactry/pllute
hill/ treesfarmers/cut dwn
village/flwers and grassvillagers/destry
A: There were lts f fish in the lake last mnth.B: But nw the fish have gne. A: What has happened here?B: The factry has plluted them.
make up cnversatins similar t the example with yur partner.
A: There were lts f --------n the hill--- last year.
B: But nw the -----------have gne.A: What has happened here?B: The --------- have ------------them.
Make up cnversatins similar t the example with yur partner.
4 Wrk in grups and talk abut pllutin in a place yu are familiar with. The fllwing sentences may help yu.…ag, it was… Nw, … have/ has gne. What has happened? Everything has changed. Oh, my gdness!
用所给动词的适当形式填空。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.
has changed
Hmewrk1. Read 1a.2. Write a passage accrding t Part 4.3. Finish Sectin A in yur wrkbk.4. Preview Sectin B.
3 A. Listen t the sentences and number the pictures.
1. Peple _____ _____ _____ t many trees, s I dn’t have enugh leaves t eat.2. I live in trees but nw many trees _____ _____.3. I like leaves and grass, but nw they _____ ____________. 4. I _____ _____ hungry fr mnths because f less bamb.5. Human plluted the sea, s I _____ _____ _____.6. The water _____ _____ many years ag. But it _____ _____ _____ fr me t live in nw.
B. Listen again and cmplete the sentences.
have cut dwn
have disappeared
dn’t live happily
is t dirty
单项选择( ) 1. Lk! There are sme bys ________ n the playgrund. A. play ftball B. are playing ftball C. playing ftball D. plays ftball( ) 2. — I’m srry I can’t g shpping with yu. I am ill. — ________ A. What a mess! B. What a shame! C. What a pity! D. B and C( ) 3. — Dn’t ________ water. We must save every drp f it. — Srry, I wn’t d it again. A. waste B. thrw C. play D. leave
1. Express exclamatin: What a mess! What a shame! Oh, my gdness!2. Knw the differences between Simple Past and Present perfect. It was a beautiful place. Everything has changed.
1. Sme wrds: bee, butterfly, mess, shame, several, pur, waste, destry, pllute, gdness2. Sme phrases: see sb. ding sth. pur… Sme sentences: There are…ding…
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