(共24张PPT)
Section A (2a-2d)
Unit 13 We’re saving the world.
学习目标
Key words & phrases:
coal,ugly, advantage, cost,wooden, plastic, takeaway,bin.
Key sentences:
1. The air has become really polluted around here.
2. Our actions can make a difference and lead to a better future!
To think about ways of protecting the environment.
While-listening
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
Listen and read.
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.
Let's read
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 ...
Post-listening
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
We should plant more trees.
What are your ideas for solving the problem of air pollution
Use your own chopsticks when you buy takeaway food.
takeaway n. 外卖食物
What are your ideas for solving the problem of waste pollution
We should bring a bag when we go shopping.
We shouldn’t use plastic bags and throw them everywhere.
What are your ideas for solving the problem of waste pollution
We should throw rubbish in the（right）bins.
bin n. 垃圾箱
What are your ideas for solving the problem of waste pollution
Role-play the conversation.
2d
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
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.
Interviewer: So together, our actions can make a difference and lead
to a better future!
Read the conversation in 2d and fill in the chart below.
Pollution Ways to solve the problem
Air pollution
Waste pollution
Ride a bike, take the bus or subway instead of driving.
Bring a bag to go shopping.
Don’t take wooden chopsticks or plastic forks when you buy takeaway food.
Throw rubbish in the bins.
Let's watch a video !
Language points
1. There are other advantages of bike riding. (教材P98 2d)
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.
2. It’s good for health and it doesn’t cost anything! (教材P98 2d)
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
Exercises
一、单项选择
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
二、根据汉语提示完成句子
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
1. Preview the passage in Section A 3a.
3. Do the exercises in students’ book.
Thank you!
