Unit 2 Saving the earth. Topic 1 Pollution has causes too many problems.SectionA 课件（16张）

课件16张PPT。Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A仁爱英语九年级下册Have you ever had a picnic?Do you want to have a picnic in the West Hill?What can you see there?We can see bees and butterflies dancing.beebutterfly Is the West Hill beautiful?GuessThe flowers and grass have gone! Oh, my goodness. What a mess!Look! There are several chemical factories pouring waste water into the stream.= have disappeared.Is it beautiful now?
What has happened there?What a shame/mess!
The flowers and grass have gone!Do you want to have a picnic in the West Hill now?1c Read 1a and complete the sentences in the table. Then retell 1a to your partner.beautiful placelots of flowers and grassfresh and the water was cleanbees and butterflies dancingThe flowers and grassso dirtyterriblechemical factorieswaste waterEverything 倒出；倾泻
pour… into… 把……倒入……
e.g. Pour red wine into the glass.Grammar:There are several chemical
factories pouring waste water
into 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e.g. There are some people waiting for the bus at the bus stop.It's time for qustions.2 Work in pairs. Look at the pictures and make up conversations similar to the example with your partner.Example:
A: There were lots of flowers and grass
when I visited the village last year.
B: But now the flowers and grass have
gone.
A: What has happened here?
B: The villagers have destroyed them.lake/fish
factory/
pollutehill/ trees
farmers/cut downvillage/flowers and grass
villagers/destroy4 Work in groups and talk about pollution in a place you are familiar with. The following sentences may help you.
…ago, it was… Now, … have/ has gone. What has happened? Everything has changed. Oh, my goodness!Exercises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
CDAExercises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.readinghave gonehas changedto eathave beenhadsummaryWe learn:1. Express exclamation:
What a mess! What a shame! Oh, my goodness!
2. Know the differences between Simple Past
and Present perfect.
It was a beautiful place.
Everything has changed.We can:1. Some words:
bee, butterfly, mess, shame, several, pour, waste,
destroy, pollute, goodness
2. Some phrases:
see sb. doing sth. pour…into..
3. Some sentences:
There are…doing… Homework
1. Read 1a.
2. Write a passage according to Part 4.
3. Finish Section A in your workbook.
4. Preview Section B.
Thank you.