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Unit13 We're trying to save the earth.
Section B Period4同步练习
单词填空。
1.To reduce the CO2 in the air，people should stop _______(ride)in cars.
2．_________ (recycle)paper is a really easy thing for everyone.21教育网
3.They watched TV instead of _____________(stay) at home.21cnjy.com
4.The old man used to ______(like) basketball when he was young.
5.It's hard _______________(finish) the job in such a short time.www.21-cn-jy.com
单选。
1.—What should I do to be a green man？
—It's easy.For example，____ your own bags when ________.
A.taking，shopping B.take，shopping
C.taking，you shopping D.take，you shopping
2.Don't ________those vegetables. We can feed them to the pigs.21世纪教育网版权所有
A．throw away B．put away
C．give away D．take away
3. —What can kids do to help the environment
—I think we can ________ paper to save the trees.21·cn·jy·com
A．recycle B．waste C．make D．do
4. The shower is still on.Please go to ____．
A.turn it off B．turn them off C.turn off it D．turn off them
5.—Jack，it's time for supper.You should stop ____ basketball.2·1·c·n·j·y
—OK，Mom.I'll stop ________ supper.
A.to play，having B．playing，having
C.playing，to have D．to play，to have,
三、情景对话。
A. But what can I do for you
B.I think water is very important to us.
C. You mean when I have shampoo in my hair
D. But what can I do
E. That will save a lot of money, too.
F. Take a bag when you go shopping.
G. Sometimes I turn off the lights without thinking.
A: Hi, Jane. Would you like to help save the environment 21·世纪*教育网
B: I'd like to. ___________________
A: Well, first, you can start by turning off the lights when you leave a room.
B: Yes. That's easy.___________________What's next www-2-1-cnjy-com
A: Second, you can ride a bicycle. Don't take a bus or a taxi if you don't have to.
B:___________________What else
A: Third, try to recycle paper.
B: Mmm. Newspapers, magazines, we have a lot of paper at home. Good idea.
A: The fourth idea is to turn off the shower when you're not using it.
B: ___________________
A: Yes. Get wet, turn off the shower, put the shampoo (洗发剂) in your hair and then turn on the shower and wash it out.2-1-c-n-j-y
B: Yes, ___________________ We have to save water.【来源：21·世纪·教育·网】
四、阅读。
“Low carbon（低碳）” becomes the most popular words these days because more and more people pay attention to our environment. Not only China but all other 1 concentrate on the topic of “low carbon”. Low carbon life 2 a kind of lifestyle in which people do their best to use less energy. The purpose of the lifestyle is to push us to 3 the environment.21*cnjy*com
Because of the fast increase of population and human *desire, the human living environment, health and safety are 4 worse and worse. So we can say, the lifestyle is becoming the killer of the earth and human beings. Therefore, low carbon life is needed by man’s own health. So we should develop good 5 in our daily life. For example, when we go shopping, we’d better use 6 plastic bags. We should eat more 7 and less meat. As for clothing, we’d better buy the necessary clothes and not buy clothes with animal *leather. As for housing, when building a 8 , we must use green material; buy the lights that need less energy and remember to 9 the lights when not needed; put rubbish into different kinds and recycle the useful things, like bottles and paper. As for transportation, we can 10 if you go to the places near your house. For short trips, we can ride a bike instead of driving a car. Try to use public transportations. As for working, companies should 11 clerks to use e-mail, MSN and other ways instead of using paper. We use paper only when necessary. For using 12 : If you don’t use computer in a short time, you can change the computer into its “sleep”.【来源：21cnj*y.co*m】
Besides, we should try 13 best to tell the people around us the importance of the low carbon lifestyle. And we can also ask them to 14 us to take the low carbon life, in this way, not only can we make our city better, 15 also it's good for ourselves.【出处：21教育名师】
In all, it weighs greatly for all of us to put the low carbon lifestyle into practice.
（1）A . countries B . cities C . towns D . villages【版权所有：21教育】
（2）A . helps B . means C . lives D . thinks21*cnjy*com
（3）A . keep B . pollute C . protect D . make
（4）A . doing B . trying C . discovering D . becoming
（5）A . lists B . shops C . decisions D . habits
（6）A . more B . less C . fewer D . many
（7）A . tea B . vegetables C . meat D . food
（8）A . house B . bridge C . store D . market
（9）A . turn off B . turn on C . put off D . put on
（10）A . walk B . rush C . run D . drive21教育名师原创作品
（11）A . make B . let C . see D . encourage
（12）A . machine B . light C . bed puter
（13）A . ours B . we C . our D . us
（14）A . stop B . tell C . join D . hear
（15）A . so B . but C . and D . though
Unit13 We're trying to save the earth.
Section B Period4同步练习答案
一、1.riding 2.Recycling 3.staying 4.like 5.to finish
四、ABCDD CBAAA DDCCB
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21世纪教育网（www.21cnjy.com)中小学教育资源及组卷应用平台
Unit 13
We're trying to save the earth.
SectionB Period 4
人教新目标(Go for it)九年级全册
Let's watch a video.
How do you feel about it
Warming-up
What can we do to help save the earth
stop riding in cars
不开私家车
Presentation
What can we do to help save the earth
重复利用书本和纸
recycle books and paper
What can we do to help save the earth
离开房间的时候记得关灯
turn off the lights when
you leave a room
What can we do to help save the earth
turn off the shower while you’re washing your hair
洗头发的时候关掉水
What can we do to help save the earth
不要用纸巾
don’t use paper napkin
What can we do to help save the earth Rank these items from the easiest (1) to the most difficult (5).
___ stop riding in cars
___ recycle books and paper
___ turn off the lights when you leave a
room
___ turn off the shower while you are
washing your hair
___ don’t use paper napkins
1a
Recycling paper is really easy.
I agree. But it’s hard to stop riding in cars.
1b
Compare your answers in 1a with
your partner.
Recycling paper is really easy.
recycle 作动词，意为“回收利用；再利用”，在句中做主语用动名词。
recycle由“前缀re ＋cycle”构成，其过去式为recycled，过去分词为recycled，现在分词为recycling，第三人称单数为recycles。
Today some books are supposed to be recycled
in the school.
现在一些书应该在学校里被回收利用。
Reading books is my hobby.
看书是我的习惯。
Listen for the general idea听取大意
The general idea of the conversation between
Julia and Jack is about
A.air pollution
B.water pollution
C.things to save the earth
Listening practice
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Listen and check (√ ) the things that Julia and Jack talk about.
Things Julia and Jack talk about
___ turning off the lights
___ turning off the shower
___ not using paper napkins
1c
Things Julia and Jack talk about
___ taking your own bags when
shopping
___ not riding in cars
___ riding a bike
___ recycling paper
Listen again and answer the questions.
Who read a book
Would Julia turn off the shower when
she is washing the hair
3. Does Jack live close to school
Jack.
No, she would never do that.
Yes, he does.
Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do
turning off the lights
turning off the shower
1d
Listen again. Check (√ ) the things that Julia is doing now, the things she will do in the future and the things she would never do.
Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do
not using paper napkins
taking your own bags when shopping.
not riding in cars
riding a bike
recycling paper
Jack: _________ the lights, Julia. It saves electricity.
Julia: Oh, I usually do that. I was just in a hurry.
Jack: I see. I’ve just read a book which gives ideas about how we can save the environment. For example, you should turn off the shower when you’re __________________.
Julia: Oh, I would never do that. I have very short hair. It only takes a few minutes to wash. __________ does it say
Turn off
washing your hair
What else
Listen again and complete the sentences .
Jack: You should take your own bags when you go shopping.
Julia: Oh, that’s easy. I’ll do that from now on. What else
Jack: People should ___________________ and start riding bikes.
Julia: No way! It would take me 45 minutes to get to school by bike!
Jack: But it’s good for the environment! Besides, I like riding my bike.
Julia: Yes, and you also live _________ school!
stop riding in cars
close to
Tape script
Role play the conversation.
Jack: Turn off the lights, Julia. It saves electricity.
Julia: Oh, I usually do that. I was just in a hurry.
Jack: I see. I’ve just read a book which gives ideas about how we can save the environment. For example, you should turn off the shower when you’re washing your hair.
Julia: Oh, I would never do that. I have very short hair. It only takes a few minutes to wash. What else does it say
Jack: You should take your own bags when you go shopping.
Julia: Oh, that’s easy. I’ll do that from now on. What else
Jack: People should stop riding in cars and start riding bikes.
Julia: No way! It would take me 45 minutes to get to school by bike!
Jack: But it’s good for the environment! Besides, I like riding my bike.
Julia: Yes, and you also live close to school!
Consolidation
In order to _______electricity, Jack asked Julia to ____ ____ （关）the lights. He says he has just read a book__________ gives ideas about ______ to save the _____________(环境 ). He tells Julia that people should turn off the shower when we wash our hair. And we should take the bags _____ we go shopping. It is also good _____ the environment to ride bikes to school ______ _____ riding in cars.
save
turn off
environment
that/which
how
when
for
instead of
Complete the chart.
Julia said that she has short hair, it only ____ a few minutes to wash her hair. And it's easy for her to take her bags to go shopping . As for ______ a bike to school, she thinks it's too difficult. Because her home is _____ from school . it would take her 45 minutes to get to school ____ a bike.
takes
riding
far
on
1e
We really shouldn’t use paper napkins, you know.
I know. I stopped using them last year.
Make a conversation using the information from the chart above. Say what is true for you.
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A: We really shouldn’t use paper napkins, you know
B: I know. I stopped using them last year.
A: We had better turn off the shower when we are washing our hair.
B: I have never done that before, and I don’t think I will do that in the future, either.
A: We should take our own bags when shopping.
B: I agree with you. Next time I go shopping, I will bring my own bag.
For example:
close down the factories;
help to clean up the river;
take the bus or subway;
ride a bike;
bring a bag to go shopping, throw rubbish in the cans;
turn off the lights when you leave a room;
use paper or resusable bags;
recycle books and paper;
turn off the shower when you wash your hair;
don't use napkins;
rethink, reuse, recycle ... ...
Discussion
Talk about more solutions in groups.
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Key expressions:
recycle, stop doing sth., hard to do sth., recycling paper, turn off the lights
1. Recycling paper is really easy.
2. It’s hard to stop riding in cars.
3. We really shouldn’t use paper napkins, you know.
及时小结才能巩固所学知识
Summary
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Homework
1. Preview the new words and expressions in 2a-2c.
2.Preview the article in 2a-2c.
3.Do the exercises in students’ book.
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谢 谢！
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