科普仁爱英语九上Unit 2 Topic 1 Pollution has caused too many problems Section A课件26张

课件26张PPT。Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section ALearning aims1.掌握本课的重点短语和句型。
2.巩固一般过去时和现在完成时的用法区别。
3.复习系动词的用法。
4.正确使用there be sth./sb. doing sth.
来表达“有某人/物正在做某事”。
5.了解环境污染的严重性，并树立环保意识。
自主预习 英汉互译
1. 西山 _____ 2. have a pinic _____ 3. 两年前 _____
4. lots of ____ 5. see sb./sth. doing sth. _______
6. 一些化工厂________ 7. pour … into … ________
8. 废水 ________ 9. cut down ________
10. There be sb./sth. doing sth. ______________
11. What a mess ! ______________
12. 多可惜啊！_________ 13. Sounds great. _______
14. 气味真难闻。 ______________
15. The flowers and grass have gone. ____________
16. 一切都变了。___________
自主预习 英汉互译
1. the West Hill 西山 2. have a pinic 去野餐
3. two years ago 两年前 4. lots of 许多
5. see sb./sth. doing sth. 看见某人/某物正在做某事
6. several chemical factories 一些化工厂
7. pour … into … 把…倒入…
8. waste water 废水 9. cut down 砍倒
10. There be sb./sth. doing sth. 有某人/某物正在做某事
11. What a mess ! 多么脏乱啊！
12. What a shame ! 多可惜啊！
13. Sounds great. 听起来真棒！
14. It smells terrible. 气味真难闻。
15. The flowers and grass have gone. 花和草都消失了。
16. Everything has changed. 一切都变了。
Have you ever had a picnic?Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.
They will go to the West Hill.What can you see there?We can see bees and butterflies dancing.beebutterfly Is the West Hill beautiful?Guess a place withbeautiful flowersBrainstormmany hillsgreen treesWhat a shame/mess!
The flowers and grass have gone!butterfliesclean waterbeessome fisha rabbitThe 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?P27 1a mp3waste water
waste paper
Waste water. 浪费水。
Don’t waste paper. 不要浪费纸。wasteadj.
v.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. 倒出；倾泻
pour… into… 把……倒入……
e.g. Pour red wine into the glass.1b Listen to 1a and mark the words with P (Past) or N (Now).
____ beautiful ____ butterflies ____ dirty
____ grass ____ terrible ____ factory
____ bees ____ fresh ____ clean
____waste waterPPNPNNPPPN1c 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 waterEverythingLanguage points …you could see bees and butterflies dancing.
你还能看见蜜蜂和蝴蝶在飞舞。
点拨: see sb./sth. doing sth. 看见某人/某物正在做某事
对比: see sb./sth. do 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 _____ soccer there when
I walked past the playground.
A. to play B. playing C. played D. play
(2) I saw her ____ the road just now.
A. cross B. crossed C. crosses D. to cross
B A 2. The flowers and grass have gone！花和草都消失了。
点拨：have/has gone 不见了，消失了
e.g. 我的钱不见了。___________________My money has gone. 3. Sounds great ! 听起来真棒！
It smells terrible. 气味真难闻。
点拨： sounds 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/sound/taste/look/seem…+形容词 e.g. 1)音乐听起来很棒。______________________
2)我感到很开心。 ______________________The music sounds great. I feel very happy. 4. Look, there are several chemical factories
pouring waste water into 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. pour into 点拨(1)：there be + sb./sth. + doing sth.
有某人/某物正在做某事 点拨(2) : pour…into… 把……倒入……e.g. 听！有个人在隔壁唱歌。
Listen! ___ ___ someone ______ in the next room. There is singing 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.village/flowers and grass
villagers/destroyhill/ trees
farmers/cut downA: There were lots of trees when I visited the hill last year.
B: But now the trees have gone.
A: What has happened here?
B: The farmers have cut them down.lake/fish
factory/polluteA: There were lots of fish when I visited the lake last year.
B: But now the fish have gone.
A: What has happened here?
B: The factory has polluted them.一般过去时和现在完成时的用法区别表示过去发生或
已完成的动作
对现在的影响表示过去发生的动作
或存在的状态
（与现在无关）yesterday,
last night,
时间段+ ago,
in 2005,
in the past, …

for +时间段, since, recently,so far, already, yet, just,
in the past +时间段,
…Exercises用所给动词的适当形式填空。
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. — Where have they been?
— They __________ (be) to the Great Wall.
They _____ (have) a good time there
the day before yesterday.
5. The food ___________ (taste) delicious.readinghave gonehas changedhave beenhadtastes/tasted__________________ _____________________ 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
CDA中考链接1. (2011.广东) This silk dress ___ so smooth.
It’s made in China.
A. feels B. smells C. sounds D. tastes
2. (2014.广东) — What do you think of the new
foreign teacher Thomson ?
— Pretty good. I think he ___ a great job so far.
A. does B. did C. has done D. was done
3. (2011.广东) Our math teacher ___ in our school for
20 years and he ___ here when he was 23 years old.
A. has taught ; has come B. taught ; come
C. taught ; came D. has taught ; came
A C _____ D __ ______________________
Some phrases:
see sb. doing sth., pour…into…, have/has gone
2. Some sentences:
You could see bees and butterflies dancing.
The flowers and grass have gone！
It smells terrible.
(4) There are several chemical factories
pouring waste water into the stream.
1. Some words:
bee, butterfly, mess, shame, several, pour, waste,
destroy, pollute, goodness
Summary Homework
1. Recite the new words and useful expressions.
2. Recite 1a.
3. Finish Section A in your workbook.
Thank you.