资源简介

(共38张PPT)
Unit 13 We’re trying to save the earth!
Section A (1a-2d)
Words & Expressions
litter
bottom
fisherman
coal
ugly
advantage
v. 乱扔 n. 垃圾；废弃物
n. 底部；最下部
n. 渔民；钓鱼的人
n. 煤；煤块
adj. 丑陋的；难看的
n. 优点；有利条件
Words & Expressions
cost
wooden
plastic
take away
bin
v. 花费 n. 花费；价钱
adj. 木制的；木头的
adj. 塑料的 n. 塑料；塑胶
n. 外卖食物
n. 垃圾箱
Key Sentences
1. People are throwing litter into the river.Even the bottom of the river was 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!
How many kinds of pollution do you know
Brainstorm
water
pollution
noise
pollution
land
pollution
air
pollution
pollution
Air pollution
Noise pollution
Water pollution
Land pollution
1a
Here are some words related to different kinds
of pollution. Write them in the box below. Then
add more words.
loud music cars rubbish planes littering ships factories smoking
building houses mobile phones
litter/ l t (r)/ v. 乱扔 n. 垃圾；废弃物
rubbish n. 垃圾；废弃物
noise pollution
________________________________________________________________________________________________
air pollution
__________________________________________________________________________________________
water pollution
____________________________________________________________________________________
loud music
planes
building houses
mobile phones
(machines, crowds)
cars
factories
smoking
building houses
(burning, power plants)
rubbish
littering
ships
factories
(sewage, pesticides)
1b
Listen and complete the sentences.
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
Listen again and answer the questions.
He wants to go swimming in the river.
Because the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch.
It used to be so clean.
2. Why doesn’t Mark want to go with Tony
What does Tony want to do later this afternoon
3. How was the river in the past
听力材料
Tony: Hey, Mark, maybe we could go swimming in the
river later this afternoon.
Mark: I don’t think I want to go, Tony.
Tony: Why not
Mark: I was there last weekend and the river was really
dirty. Even the bottom of the river was full of rubbish,
and there were no more fish for fishermen to catch.
下午晚些时候
……的底部
Tony: No way! It used to be so clean. In fact, it has always been the
nicest river in this town.
Mark: Not anymore. I think people are throwing litter into
the river. Factories are also putting waste into the river.
Tony: That’s terrible! We should write to the government.
They should close down the factories.
Mark: Good idea! But I think everyone in this town should help to
clean up the river, too. Everyone should play a part, not just
the government.
曾经……; 过去常常……
关闭
play a part=play a role
参与；扮演角色；起作用
1c
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
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 littering in the river.
Tony: Everyone in this town should play a part in cleaning it up!
2a
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution B. air pollution
C. noise pollution D. water pollution
2b
Listen again and complete the sentences.
1. The air is badly polluted because there are _____________ on the road these days.
2. Factories that burn coal also ___________ the air with a lot of black smoke.
3. There is also too much rubbish and waste. People ________________ things every day.
4. People are also littering in ________________ like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
public places
听力材料
Interviewer: Today we’re talking to Jason and Susan
about environmental problems. Jason and
Susan, can you tell us about some of the
problems you’ve seen
Jason: I think one problem is that the air is badly
polluted. I hardly ever see blue skies anymore.
Susan: Yes, and I used to see the stars clearly.
Interviewer: What do you think has caused this problem
Susan: Well, there are more cars on the road these days.
Jason: And factories that burn coal also pollute the air with
a lot of black smoke.
Interviewer: What other problems do you see
Susan: I guess there’s too much rubbish and waste in the
streets.
Jason: Yes! Every day people are throwing away things
like wooden chopsticks, plastic bowls and plastic
bags.
coal n. 煤；煤块
wooden adj. 木制的；木头的
plastic adj. 塑料的 n. 塑料；塑胶
Susan: They’re also littering in public places, for example,
during picnics in parks. This is turning beautiful
places into ugly ones.
Interviewer: You’re right. These are serious problems for
our environment. Next, let’s talk about the
things we can do to help.
ugly adj. 丑陋的；难看的
2c
Use the information in 2a and 2b to role-play
conversations between Jason and Susan.
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see stars in the sky.
The problem is that ...
We should walk, ride a bike, take the bus or subway instead of driving.
What are your ideas for solving the problem of air pollution
instead of 代替；而不是
1. Use your own chopsticks when you buy takeaway food.
takeaway n. 外卖食物
What are your ideas for solving the problem of land
pollution
2. We should bring a bag when we go shopping.
3. We shouldn’t use plastic bags and throw them everywhere.
2d
Role-play the conversation.
Interviewer: Jason and Susan, what are your ideas for
solving these problems
Jason: Well, to cut down air pollution, we should take
the bus or subway instead of driving.
Susan: Yeah, or ride a bike. There are other advantages
of bike riding. It’s good for health and it doesn’t
cost anything!
Interviewer: Great ideas! What about waste pollution
减少；砍倒
Susan: Mmm, I think simple things like bringing a bag to
go shopping can help. I started doing that a year ago.
Jason: Me, too. Also, I never take wooden chopsticks or
plastic forks when I buy takeaway food. I use the
ones at home.
Susan: And remember to throw rubbish in the bins and
keep public places clean and beautiful for everyone.
remember to do sth. 记得去做某事
Interviewer: So together, our actions can make a
difference and lead to a better future!
有作用；有影响
difference前可用big等词修饰
导致；通向
make a difference to 对……有作用或影响
Language points
1.We’re trying to save the earth!
我们正在竭尽全力拯救地球!
try to do = try one’s best to do 努力去做某事
e.g. We’ll try to finish the work in a week.
我们将努力在一周内完成这项工作。
2.Here are some words related to different
kinds of pollution.
be related to 与……有关
e.g. Is the driver related to the accident
司机和这起事故有关吗？
3.Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
e.g. 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。
4. There are other advantages of bike riding.
advantage / d vɑ nt d /, / d v nt d / n. 优点；有利条件
advantage作名词，其反义词为disadvantage“缺点；不利条件”。
take advantage of... 意为“利用……”。
Before making your decision, you should consider the advantages and disadvantages.
When possible, take advantage of this time to enjoy the nice weather.
5. It’s good for health and it doesn’t cost anything!
cost /k st/, /k st/ v. 花费
cost在此处作动词，其过去式和过去分词均为cost。
The watch cost me 200 yuan.
【拓展】cost还可作名词，意为“花费；价钱”。
Could you tell me the cost of the trip
【易混辨析】cost, spend, take与pay
例词 主语 宾语 常用结构
cost 物 金钱 sth. cost(s) (sb.) some money
某物花费(某人)多少钱
spend 人 时间或金钱 sb. spend(s) some time/ money on sth.某人花费时间/金钱在某事/物上
sb. spend(s) some time/ money doing sth. 某人花费时间/金钱做某事
take 常用it作形式主语 时间 it takes sb. some time to do sth.做某事花费某人多长时间
pay 人 金钱 sb. pay(s) some money for sth.某人为某物付费
Exercise
1.— There are a lot of ______ of bike riding.
— I agree. It’s good for the environment and it saves money.
A. instructions B. instruments
C. advantages D. products
2. My teacher has given me useful suggestions and I want to thank him from the _______ of my heart.
A. bottom B. condition C. way D. surface
A
C
一、单项选择
1.If no one (litter), the park will be very clean.
2.Shanxi Province produces the most (煤) in China.
3.The man is carrying a small black (塑料的) bag.
4.Some ______________ (渔民) went to the beach to see what happened.
5.Although he looks (难看的), he has a kind heart.
二、根据括号中所给汉语提示及单词的适当形式填空
litters
coal
plastic
fishermen
ugly
三、根据汉语提示完成句子(每空一词)
1.为了孩子们的发展，应该减少他们周末的学习课程。(cut)
For children’s development, their courses on weekends should ____ ____ ______.
2.我们的行动会产生很大的影响。
Our action will ______ ____ ____ _________.
3. 他们打算骑自行车，而不是开车。
They’re going to ride a bike _______ _____ driving a car.
4. 每个人都应该在环保方面发挥作用。
Everyone should____ __ _____ ___the environmental protection.
make a big difference
instead of
be cut down
play a part in
Homework
Preview the passage in Section A 3a.
Do the exercises in students’ book.
Thank you!

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