Module 12 Unit 1 If everyone starts to do something, the world will be saved.作业课件 (共18张PPT)

(共18张PPT)
Unit 1 If everyone starts to do something， the world will be saved.
Module 12 Save our world
一、 写出下列短语的英文翻译
1. 阻止污染 _________________________
2. 例如 _____________________________
3. 回收中心 _________________________
4. 担心 _____________________________
5. 使某人…… _______________________
6. 对……是一种威胁 _________________
stop the pollution
such as
recycling centre
be worried about
make sb. ...
a danger to...
7. 造成污染 ______________________________
8. 想出 __________________________________
9. 收集废品 ______________________________
10. 用……来做某事 _______________________
11. 在贫困地区 ___________________________
12. 节约能源 _____________________________
cause pollution
think of
collect waste
use sth. to do sth.
in poor areas
save energy
The earth is our home. We must take care of it. Life today is easier than it was hundreds of years ago， 1 it has brought some new problems. One of the biggest problems is pollution. We can see it， smell it， drink it and even hear it.
　　Man has polluted the 2 . The more people， the more pollution. Many years ago， the problem was not so 3 because there were not so many people. When the land was used up or the river was not clean in a place，man went to 4 place. Now man is slowly polluting the whole world.
二、 完形填空
　 5 pollution is still the most serious. It’s bad for living things in the world.
　　Many countries don’t let people burn anything bad for air in houses and factories in the city. Pollution caused by sulfur dioxide（二氧化硫） is now the most dangerous kind of air pollution. It’s 6 by heavy traffic.
People say it’s 7 to ride bikes. When you are riding， there is no pollution. But even in developed countries，most people don’t go to work by bike. It’s not because people feel tired if they 8 to work. It’s because the
number of cars on the road becomes larger. So more people 9 their bikes and go to work by car. Then things are getting worse and worse. We should have special roads 10 for bikes and make it so difficult and expensive for drivers to take their cars into the city that they will go back to use their bikes.
（ ） 1. A. and B. but
C. or D. so
（ ） 2. A. moon B. star
C. earth D. sun
B
C
（ ） 3. A. easy B. difficult
C. serious D. small
（ ） 4. A. other B. one
C. that D. another
（ ） 5. A. Air B. Food
C. Water D. Noise
（ ） 6. A. done B. brushed
C. caused D. protected
C
D
A
C
（ ） 7. A. least B. best
C. most D. worst
（ ） 8. A. ride B. rush
C. walk D. fly
（ ） 9. A. put on B. look at
C. put away D. look up
（ ） 10. A. possibly B. probably
C. perhaps D. only
B
A
C
D
How do you deal with plastic bags from the supermarket？Throw them away or recycle them？How about eating them？
　　 The bags are not harmful to the environment. Humans and animals can safely eat them. Indian company EnviGreen has made a bag with natural materials. It looks and feels just like plastic， but can be broken down（分解） easily.
　　Ashwath Hedge who set up the EnviGreen company spent four years doing experiments（实验） with 12
三、 阅读理解
natural materials. They include potato， corn， vegetable oil and banana. He made the material into liquid（液体） and used the liquid to make the bag.
　　Although the EnviGreen bag is more expensive than a common plastic bag， it has many advantages. According to the Wall Street Journal， it takes 1，000 years for common plastic bags to break down. But an EnviGreen bag can naturally break down in less than 180 days. It also breaks down in less than a day in water， and in less than a minute in boiling water. Hedge was
happy to show it in his interview. He put an EnviGreen bag in water and ate it with a smile.
　　There are more than 15，000 tons of plastic waste in India every day. But only 9，000 tons are processed. In China， 3 billion plastic bags are used every day. Maybe the EnviGreen bag could be a solution（解决方法） to the world problem of plastic pollution.
（ ） 1. According to Paragraph 2， we can know the following EXCEPT .
A. the EnviGreen bag can break down easily
B. the EnviGreen bag is made from natural materials
C. the EnviGreen bag can be eaten by humans and animals
D. the EnviGreen bag is a little harmful to the environment
D
（ ） 2. The main idea of the third paragraph
is “ ”.
A. What Hedge thinks of the new bag
B. How Hedge makes the EnviGreen bag
C. Who set up the EnviGreen company
D. How long it takes Hedge to make the bag
B
（ ） 3. The underlined sentence in Paragraph 4 shows
that the EnviGreen bag .
A. is safe and can break down quickly
B. is useful although it is more expensive
C. looks and feels like a common plastic bag
D. will be used more widely than a common bag
A
（ ） 4. The EnviGreen bag breaks down fastest in .
A. hot air　　　　 B. cold water
C. boiling water D. natural air
C
（ ） 5. From the last paragraph， we can infer（推断） .
A. all of India’s plastic waste is processed
B. India has the most plastic waste in the world
C. China produces more plastic waste than India
D. the EnviGreen bag may help solve the problem of plastic pollution
D
Margo and Ernest are talking about shopping bags.
Margo:
　I always bring my own 1 bags to the supermarket. I never use paper or plastic bags in the supermarket. I 2 my bags， which means I use them again and again. I do this 3 less waste is good for the earth.
　Some supermarkets make you buy their bags now. Their bags 4 five cents each. This is a good idea， because it might make more people bring their 5 bags. I don’t want to spend money on something I will just throw away. Other people might not want to， 6 .
四、 短文填空
Ernest：
　　I always ask for 7 bags in the supermarket. I put them to good use. For example， I make them as rubbish bags in my waste bins at home. If I have too 8 bags， I can take them back to the supermarket. The supermarket will recycle 9 . But there is a supermarket that now makes you buy the plastic bags for five cents each. I will not shop there any more. I don’t want to pay for something that I can get for free at 10 store.
1. . 2. 3. .
4. . 5. . 6. .
7. . 8. . 9. . 10. .
cloth
reuse
because
cost
own
either
plastic
many
them
another