(共54张PPT)
Unit 13
Listening and speaking
Section A
What is the song about
past
present
The earth used to_________. However, it is ________ now.
What caused the difference
enviroment pollution
What kind of pollution are they
rubbish/waste pollution
water pollution
noise pollution
air pollution
What other kinds of pollution do you know
...caused/ led to/ resulted in the pollution.
transportation
factories that burn coals
waste water
littering rubbish
building houses
What caused the pollution
The burning woods
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
1a Here are some words related to different
kinds of pollution. Write them in the box
below. Then add more words.
What caused the pollution
Noise pollution:
loud music, planes, building houses, mobile phones
machines, crowds, vehicles[ vi kl]
What other reasons do you know
Air pollution:
Water pollution:
cars, factories, smoking, building houses
rubbish, littering, ships, factories
What other reasons do you know
What other reasons do you know
burning, power plants(发电厂）, nuclear waste disposal(核废料处理)
sewage [ su d ]（污染物）, industrial waste, pesticides[ pest sa d] （农药）
1b Listen and answer.
What kind of pollution are they talking about
water pollution
1b Listen and complete the sentences.
1. What was the problem
The river was __________. Even the bottom of the river was full of _______.
There were no more ____ for fishermen to catch.
really dirty
rubbish
fish
2. What caused the problem
People are throwing ______ into the river.
Factories are putting ______ into the river.
3. How should the problem be solved
We should write to the ___________ and ask them to __________ the factories.
Everyone should help to ________ the river.
litter
waste
government
close down
clean up
Tony wants to go _________ in the river with Mark this afternoon. But Mark doesn’t want to go, _______ he went there last weekend and the river was really ______. Even the ______of the river was full of _______, and there were no more fish for fishermen to _______.
Tony thinks the river used to be so ______. It has always been the _______(nice) river in this town. Mark tells Tony that people are throwing _____ (垃圾）into the river. Factories are also putting _____(废气物) into the river. They decide to write to the __________ (政府）and hope that it could _________ (关闭）the factories. They also think that everyone should help to ________ (清理 )the river and play a ______ (发挥作用） in protecting the environment.
swimming
because
dirty
bottom
rubbish
catch
clean
nicest
litter
waste
government
close down
clean up
part
Retell the conversation.
A. land pollution
2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
B. air pollution
C. noise pollution
D. water pollution
2b Listen again and complete the sentences.
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
1. Who attended the interview
Listen again and answer the questions.
2. What do people throw away everyday
3. What will they talk about next
Jason and Susan.
People are throwing things like wooden chopsticks, plastic bowls and plastic bags.
They will talk about the things they can do to help solve the problems.
Watch and answer the questions
1. What’s the way to solve the air pollution
We should take the bus or subway instead of driving.
2. What are the advantages of bike riding
It can cut down air pollution.
It’s good for health and it doesn’t cost anything!
3. What kinds of simple things are mentioned to the waste pollution
Bringing a bag to go shopping can help.
Never take wooden chopsticks or plastic forks when you buy takeaway food.
Throw rubbish in the bins and keep public places clean and beautiful for everyone.
2d Listen to the conversation and answer the questions.
1. What’s the way to solve the air pollution
2. What’s the way that Jason and Susan both do to solve the waste pollution
We should take the bus or subway
instead of driving.
They both bring a bag when they go shopping.
Try not to use the things that can only be used once.
What others ways do you know to solve the air pollution and waste pollution
Increase environmental awareness
Try to put different kinds of waste into different bins.
Earth Hour is a worldwide movement for the planet organized by the World Wide Fund for Nature (WWF). The event is held worldwide from 8:30 to 9:30 p.m. on the last Saturday in March.
Brainstorm
Earth Hour
Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection. It was first celebrated in 1970, and now is globally
celebrated in more than 192 countries each year.
1. I think people are throwing litter into the river.
litter n. 垃圾，废弃物
It is wrong to leave one’s litter in public places.
在公共场所遗弃杂物是不对的。
Litter covered the cinema floor after the film.
电影结束后，影院的地上满是垃圾。
clean / pick up litter
清除/收拾杂物
drop / leave litter
乱扔杂物
a litter of magazines
乱七八糟的一堆杂志
litter指公共场所丢弃的小片/块垃圾，如纸片、塑料袋、易拉罐、饮料瓶等。
rubbish指必须及时清除的剩余物，比如厨房里的垃圾，生活垃圾等等。
waste作名词用时可表“废物”的总称，可指“荒地”，也可指“废品、废料”。
词义辨析： litter, rubbish和waste
Don’t litter.
勿乱丢杂物。
The desk was littered with all these newspapers.
桌子上到处都是报纸。
litter v. 乱扔；弄乱
拓 展
2. Even the bottom of the river is full of rubbish.
bottom n. 底部，最下部
The correct answers can be found at the
bottom of Page 8.
正确答案在第8页末尾。
I was writing my signature at the bottom
of the page.
我当时正往那页纸的底部签名。
相关短语：
at the bottom of 在……的底部
at the top of 在……的顶部
He sat at the bottom of the stairs.
他坐在最下面的一级楼梯上。
He stopped at the top of the stairs.
他在楼梯顶端停了下来。
反义词： top n. 底部，最下部
根据句意及汉语提示填空。
My best friend saved my life. I thanked him from the ________ (底) of my heart.
bottom
他们的船在峡谷的底部。
Their boat is ________________ the canyon.
at the bottom of
3. There were no more fish for fisherman to catch.
fisherman n. 渔民，钓鱼的人
My dad was a fisherman, and he loved the sea.
我爸爸是一位渔夫，他非常热爱大海。
The fishermen were mending their nets.
渔夫们在补渔网。
policeman 警察
spaceman 宇航员
workman 工人
postman 邮递员
拓 展
名词后缀-man 可表示“从事某种职业的人”
4. They should close down the factories.
close down （使）停业，停产；关闭
The old factory will have to close down.
老工厂将不得不停产。
The shop has already closed down.
那家店已经关门了。
If the company fails to make enough money, it will have to ________.
A. take away B. close down
C. break up D. set off
B
close in 使……关闭；包围
close out 结束；抛售；停业
close by 在……附近
close on 接近，赶上
close up 关闭，靠近，愈合
close with 以……结束，靠近
相关短语
5. Everyone in this town should play a part in cleaning it up.
play a part (in doing) 在……中起作用，参与，扮演一个角色
Zoos play a great part in protecting animals and stopping them from disappearing.
动物园对保护动物和防止动物消失发挥着很大作用。
He played a small part in the play.
他在这出戏里演一个小角色。
6. To cut down air pollution, we should take the bus or subway instead of driving.
cut down 减少，削减
The article is too long and should be cut down by half.
这篇稿子太长，得减去一半。
Car owners were asked to cut down the travels by car.
要求车主们减少驾车出行的次数。
cut down on 节省…… ，减少……
He cut down on coffee and cigarettes, and ate a balanced diet.
他喝咖啡和吸烟都比以前少了，饮食也均衡了。
If you want to be healthy, cut down on the amount of salt you eat.
如果想要健康点的话，就减少盐的摄入量。
7. There are other advantages of bike riding.
advantage n. 优点，有利条件
His height was an obvious advantage in doing this job.
干这项工作，他的身高是明显优势。
The advantage in going faster is that you can get there quicker.
快点走的好处在于，你可以早点到那。
disadvantage n. 缺点，不利条件
8. It’s good for health and it doesn’t cost anything.
(1) be good for 对……好/有益处
It will be good for her to be out in the sun.
出去晒晒太阳对她有益。
They argued all the time and thought it couldn’t be good for the baby.
他们一直在争论，认为这对孩子肯定不好。
be bad for 对……不好/有害
be good at 擅长于……，在……方面做得好(= do well in)
be good to 对待……好
知识链接
(2) cost v. 花费
The small gift could give a lot of pleasure and doesn’t cost much.
小礼物花钱不多但却可以带来许多乐趣。
How much does the tour to Guilin cost
到桂林旅行要花费多少钱？
知识链接
What is the cost of this car
这辆车的价钱是多少？
The scientific books will be sent without cost.
这些科学书籍将免费赠送。
He saved his daughter at the cost of his life.
他以牺牲自己的生命挽救了女儿。
cost n. 花费，价钱；代价
四个“花费”你分清楚吗？
一、cost的主语是物或某种活动， 句型有：
1) sth. costs (sb.) + money 某物花了（某人）多少钱
2) (doing) sth. costs (sb.) + time 某物（做某事）花了（某人）多少时间
二、spend的主语通常是人，句型有：
(sb.) spend money / time on sth.
(sb.) spend time (in) doing sth.
(sb.) spend money (on) doing sth.
I spent fifty yuan on the coat.
= I spent fifty yuan (on) buying the coat.
我买这件衣服花了50元。
三、take常用于“占用、花费”时间，后面常跟双宾语，其主语通常为形式主语it或物。句型有：
1) It takes / took sb. some time to do sth.
It will take me two days to do the work.
做这件工作要花费我两天的时间。
2) Doing sth. / sth. takes sb. some time.
Repairing this car took him the whole afternoon.
修理这辆车花了他整整一个下午的时间。
四、pay为“付款、赔偿”之意，主语通常是人，句型有：
1) sb. pays some money for sth.
I paid fifty yuan for the coat.
我花了五十元买了这外套
2) pay (sb.) money for sth. （向某人）付钱买……
I have to pay them 1000 yuan for this room each month.
我每个月要为这个房间支付1000元的费用。
1. — What beautiful shoes you’re wearing!
They must be expensive.
— No, they only ______ 80 yuan.
A. spent B. took
C. paid D. cost
2. — Will you please ______ for my dinner
— Sure!
A. spend B. pay
C. cost D. take
D
B
3. It will _______ me too much time to read this book.
A. take B. cost
C. spend D. pay
4. They spend too much time _____ the report.
A. writing B. to write
C. on writing D. write
A
A
即使是最简单的日常活动也会对环境造成影响。
Even the simplest daily activities can ______ _____ _________ to the environment.
make a difference
根据汉语意思完成句子，每空限填一词。
