Unit 13 We’re trying to save the earth! SectionA(1a-2d)课件25张

(共25张PPT)
Section A (1a-2d)
1. To listen for specific information
2. To talk about pollution and environmental protection
3. To learn to use the sentence patterns
used to...but now; should do sth.
4. To learn the key words & phrases:
litter, bottom,fisherman, environmental protection,
coal,ugly, advantage, cost,wooden, plastic, takeaway,bin
1). People are throwing litter into the river.Even the bottom of the river is full of rubbish.
2). Everyone in this town should play a part in cleaning it up!
3). The air has become really polluted around here.
4). Our actions can make a difference and lead to a better future!
litter /'l t (r)/ v. 乱扔 n. 垃圾；废弃物
bottom/'b t m/,/'bɑ:t m/ n.底部；最下部
fisherman/'f (r)m n/n. 渔民；钓鱼的人
coal /k l/ n. 煤；煤块
ugly /' gl / adj. 丑陋的；难看的
advantage/ d'vɑ:nt d /,/ d'v nt d /n. 优点
cost/k st/,/k :st/v.& n.（cost,cost) 花费
wooden /'w dn/ adj. 木制的；木头的
plastic/'pl st k/adj. 塑料的n. 塑料；塑胶
takeaway /'te k we / n. 外卖食物
bin /b n/ n. 垃圾箱
shark / ɑ:(r)k/ n. 鲨鱼
fin /f n/ n.（.鱼）鳍
cruel /'kru: l/ adj. 残酷的；残忍的
harmful /'hɑ:(r)mfl/ adj. 有害的
be harmful to 对……有害
at the top of 在……顶部或顶端
chain /t e n/ n. 链子；链条
the food chain 食物链
ecosystem /'i:k s st m/ n.生态系统
industry /' nd str / n. 工业；行业
law /l :/ n. 法律；法规
scientific/ sa n't f k/adj. 科学的
take part in 参加
afford/ 'f :(r)d/ v. 买得起
turn off 关掉
reusable/ ri:'ju:z bl/ adj. 可再次使用的
pay for 付费；付出代价
take action 采取行动
transportation/ tr nsp :( r)'te n/ n. 运输业；
New words
What kinds of pollution do these pictures show
air pollution
noise pollution
water pollution
The earth is polluted.
We're harming our planet in so many ways.
noise pollution
water pollution
air pollution
loud sound
car
plane
...
What caused these problems
factory
littering
ship
car
ship
factories
plane
1a
Here are some words related to different kinds of pollution. Write them in the box below.
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
air pollution
noise pollution
water pollution
loud music, planes, building houses, mobile phones,
cars, factories, smoking, building houses,
rubbish, littering, ships,factories,
Then add more words.
(P97)
machines, crowds,
vehicles
power plants,
nuclear disposal
sewage, industrial
waste, pesticides
What was the problem
The river was __________. Even the bottom of the river was full of _______. There were no more _____ for fishermen to catch.
What caused the problem
People are throwing ________ into the river.
Factories are putting ______ into the river.
How should the problem be solved
We should write to the __________ and ask them to __________ the factories. Everyone should help to ________ the river.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
Mark and Tony are talking about pollution. Listen and complete the sentences.(P97)
1b
听力原文
used to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在。
play a part in doing sth.
参与做某事; 在做某事上起作用
Check the answers!
1c
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.(p97)
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it used to be so clean.
Mark: Yes, but people are throwing litter into the river.
Tony: Everyone in this town should play a part in cleaning it up.
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. (p98)
land pollution
air pollution
C. noise pollution
D. water pollution
2a
Listen again and complete the sentences. (P98)
The air is badly polluted because there are __________ on the road these days.
Factories that burn coal also _______ the air with a lot of black smoke.
There is also too much rubbish and waste. People ________________ things every day.
People are also littering in ____________ like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
public places
2b
听力原文
Check the answers!
听力原文
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see the stars in the sky.
The problem is that there’re more cars on the road these days.
And the factories that burn coal also pollute the air with a lot of black smoke.
2c
Use the information in 2a and 2b to role-play conversations between Jason and Susan. (P98)
1. We should take _______ or _______ instead of driving.
2. We should also _______ ______ _____. It’s good for health!
3. Bring ___________ to go shopping.
4. Never take _________________ or __________ when buying takeaway food.
5. ______________ in the bins and keep public places clean and beautiful.
the bus
subway
ride
a
bike
a bag
wooden chopsticks
plastic forks
Throw rubbish
Read the dialogue in 2d and then fill in the blanks.
Check the answers!
1.be full of/be filled with　充满
2.throw…into…　把……扔到……里
3.be good for…　对……有益
4.cut off　割掉;砍掉
5.be harmful to　对……有害
6.at the top of　在……顶部或顶端
7.People are throwing litter into the river.Even the bottom of the river is full of rubbish.
8.Everyone in this town should play a part in cleaning it up!
9.Our actions can make a difference and lead to a better future!
10. To cut down air pollution, we should take the bus or subway instead of driving.
一、用方框中所给词的适当形式填空。
1. Don't throw ______ everywhere.
2. In winter, many people burn ____ to keep warm.
3. The police found a body at the _______ of the lake.
4. The ____ of living in big cities is very high.
5. He keeps a rabbit in a big _______ box.
cost wooden, coal , bottom, litter
cost
wooden
coal
bottom
litter
Exercises
II、单项选择
1. He ____ go out with his parents, but now he _____ staying at home alone.
A. used to; is used to B. is used to; used to
C.use to; used to D. is used to; is used to
2. The interesting book ____ me 10 yuan.
A. took B. paid C. spent D. cost
3. We must do something useful to ____ pollution.
A. cut off B. cut up C. cut down D. cut in
4. Smoking can ____ lung cancer. You'd bettter give it up.
A. work on B. lead to C. take away D. put out
A
D
B
C
III. 翻译句子。
1. 在冬天，这里的人们烧煤来取暖。
People here burn coal to keep themselves warm in winter.
2. 为了有一个更好的未来，他每天努力地工作着。
He works hard every day for a better future.
3. 那个箱子的底部不结实了。
The bottom of the box is not strong enough.
4. 这个新的电视节目有优势吗？
Are there any advantages of the new TV program
5. 每一位队员在赢得这场比赛中都发挥了作用。
Each teammate played a part in winning the game.
Homework
Memorize the summary
Recite the dialog in 2d.
Finish the exercises on the students’ book.
Preview 3a-3b on page 99.
We’re trying to save the earth!
try to do sth. 努力去做某事
Language points
1) You should try to remember everything.
你应该记住每件事。
2) Every student should try to study hard
for a bright future.
为了有一个美好的未来，每个学生都应该努力学习。
2. Here are some words related to different kinds of pollution.
be related to 与…有关
1) I am not related to him in any way.
我和他无任何关系。
2) Is the topic related to what we are saying
这个话题是否与我们说的有关系？
3. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
1) A good diet plays a large part in helping people live longer.
健康的饮食在帮助人们长寿方面起着非常大的作用。
2) Computers have played an important part in our daily life.
电脑在我们日常生活中扮演着重要角色。
4. Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter & rubbish “垃圾”,不可数名词
rubbish 没用的东西(被扔或将要丢弃的无用的东西，不可回收)
litter (室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)(可回收)
1) Throw the rubbish out.
丢掉垃圾。
2) Pick up your litter after a picnic.
野餐后捡起你们的垃圾。