中小学教育资源及组卷应用平台
Unit13 We’re trying to save the earth!Section B 1a-1e 导学案
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学习目标 1. 通过观看图片和视频后，能够说出污染的类型，能够正确回答问题，通过观看谈论图片，能够说出拯救地球的方法；通过完成1a，能够辨别保护环境的方法的难易，能够和同伴进行交流看法。2. 通过1c\1d听力练习,能够正确地选择对话中谈论的事情和Julia正在做的将来要做的从不会做的事情，能够正确地判断句子正误，能够说出对话中人物谈论环境保护的方法和自己的行动。3. 通过听读对话材料，能够正确地完成句子填空，能够俩俩对话用自己的真实情况谈论保护环境的做法；通过观看图片，能够正确地说出处理垃圾的做法，能够说出保护环境是我们每一个人应该尽的责任和义务。
学习重难点 1.环保措施的相关表达。2.掌握环保措施的相关表达，并能理解听力中的相关表达。3.运用这些表达进行口语输出性练习。
自学指导 自学检测及课堂展示
课前预习 翻译以下短语：1.停止开车_______________ 2.使用纸巾__________________ 3.再利用书本和纸张_____________ 4.做...很难________________5.关掉灯 _____________ 6.带上你自己的袋子_______________7.洗头____________________ 8.停止做...____________________9．停止乘坐汽车________________ 10．关闭淋浴________________11．拯救地球________________ 12．骑自行车________________
情景导入 I.Look at the pictures and tell us what kinds of pollution they are. II.Let's enjoy a video and answer the questions. 1.What happened to the earth 2.What should we do to save the earth
听前活动 I.Let's enjoy another video and answer the question. What can we do to save the earth (three words answer)II.Look at the pictures and fill in the blanks.The earth is badly polluted. What should we do to help save the earth III.1a.What can we do to help save the earth Rank these items from the easiest (1) to the most difficult (5). IV. pare your answers in 1a with your partner.略
听中活动 I.1c. Listen and check ( ) the things that Julia and Jack talk about. II II.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.III III. Listen and choose T or F.中考链接1: Julia usually turns off the light2. Julia often turns off the shower when washing hair.3. Julia takes her own bag when shopping for a long time.4.Jack likes riding his bike to schoolIV.Listen once more and fill in the blanks.Jack: Turn off the lights, Julia. It saves ________.Julia: Oh, I usually do that. I was just _________.Jack: I see. I’ve just read a book which gives ideas about how we can save the environment. For example, you should ________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. __________ does it say Jack: You should take your_________when you go shopping.Julia: Oh, that’s easy. I’ll do that ____________. What else Jack: People should __________ 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!________, I like riding my bike.Julia: Yes, and you also live close to school!
听后活动 I.Listen and repeat.II. Read and fill.Jack has just read a book which gives ideas about how to _____ the environment. He tells Julia to turn off the shower when she's ________ her hair. What else does the book say It says people should take their own bags when they ____________. Julia thinks that's easy. She'll do that from now on. When Jack says people should stop riding in cars and start ___________, Julia thinks it's ________ because it would take her ___________ to get to school by bike! But Jack thinks it's good for the environment! Besides, he_______ riding his bike and he also lives _______ school.III. 1e.Make a conversation using the information from the chart above. Say what is true for you.略IV.By 2025, rubbish on the earth will reach 2 billion tons!Can you tell us the traditional ways to process waste 略V.Look and say. 略VI.Let’s summarize.略
课堂练习 I.选择合适的单词,并用其正确形式填空turn, use, throw, recycle, ride 1.Don't _______paper napkins any more.2.________paper is good for our environment.3.We are supposed to _________off the lights when we leave the room.4.It's hard to stop ______in cars5.Julia would never _______ away litter at school.II.阅读短文，在空白处填入恰当的词或填入括号内单词的正确形式(不超过三个单词)。How many backpacks have you owned since you went to school Backpacks ___________ (become) common and popular among students in the past 30 years. If your backpacks become old, will you just treat them as rubbish and throw them away Five years ago, a research ________ (show)that 85% of the old backpacks ended up in rubbish. But as we know, most backpacks are produced from different _________ (material). If we throw them away, they will be harmful ________ our environment.Although some of the old backpacks are no longer of their right color or size, there are still many things you can do with them. Here are some ________(use)ways for you.For example, do you feel it difficult to find _______ (you) tools in the house You can solve this problem by _________(make) use of your old backpacks to store all kinds of tools. Also, it is ________ wonderful idea that you can put your old backpacks online for sale. Besides, offering your backpacks to other poor kids is another good choice, as those old backpacks may make their life ________________ (convenient) than before.All in all, old backpacks are still of great value as long as we put them into use __________ (wise). Remember: rubbish can be turned into treasure!
作业 1. 校园环保标语征集。观察和讨论身边的不环保现象，小组合作，针对各种不环保的现象设计至少三条以上的环保标语，设计成海报。以下标语提示句型可供参考：Don’t …We should …We can’t /shouldn’t …, or …If we …, our world will …2. Preview the new words and phrases in Section B (P 102- 103).
【参考答案】
课前预习 参考答案：stop riding in cars 2.use paper napkins 3.recycle books and paperit’s hard to do sth. 5.turn off the lights 6.take your own bagswash your hair 8.stop doing sth 9.stop taking the bus 10.turn off the shower 11.save the earth 12.ride a bike
情景导入 I.Look at the pictures and tell us what kinds of pollution they are. II.Let's enjoy a video and answer the questions.
听前活动 I.Let's enjoy another video and answer the question. II.Look at the pictures and fill in the blanks. III.1a.What can we do to help save the earth Rank these items from the easiest (1) to the most difficult (5). IV. pare your answers in 1a with your partner.
听中活动
I.1c. Listen and check ( ) the things that Julia and Jack talk about. II II.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.III III. Listen and choose T or F.中考链接 IV.Listen once more and fill in the blanks.
听后活动 I.Listen and repeat.II. Read and fill. III. 1e.Make a conversation using the information from the chart above. Say what is true for you.IV.By 2025, rubbish on the earth will reach 2 billion tons!Can you tell us the traditional ways to process waste V.Look and say. VI.Let’s summarize.
课堂练习 I.选择合适的单词,并用其正确形式填空1.use 2.Recycling 3.turn 4.riding 5.throwII.阅读短文，在空白处填入恰当的词或填入括号内单词的正确形式(不超过三个单词)。
作业 略
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Unit 13
We're trying to save the earth!
Section B (1a-1e)
教-学-评一致性听说课示范课
人教新目标版 九年级(下册)
1. 通过观看图片和视频后，能够说出污染的类型，能够正确回答问题，通过观看谈论图片，能够说出拯救地球的方法；通过完成1a，能够辨别保护环境的方法的难易，能够和同伴进行交流看法。
2. 通过1c\1d听力练习,能够正确地选择对话中谈论的事情和Julia正在做的将来要做的从不会做的事情，能够正确地判断句子正误，能够说出对话中人物谈论环境保护的方法和自己的行动。
Learning Objectives
3. 通过听读对话材料，能够正确地完成句子填空，能够俩俩对话用自己的真实情况谈论保护环境的做法；通过观看图片，能够正确地说出处理垃圾的做法，能够说出保护环境是我们每一个人应该尽的责任和义务。
Look and say
Activity 1
Lead to objective 1 test it
评价标准：根据图片说出污染的类型，正确说出1种类型得1分，共6分。本活动共6分。 我得（ ）分。
Look at the pictures and tell us what kinds of pollution they are.
air pollution
waste pollution
land pollution
noise pollution
light pollution
water pollution
Watch and say
Activity 2
Lead to objective 1 test it
评价标准：观看视频回答问题，正确回答每一个问题得2分，共4分。本活动共4分。 我得（ ）分。
Let's enjoy a video and answer the questions.
1.What happened to the earth
2.What should we do to save the earth
The earth is badly polluted!
We should take action to save the earth.
Watch and say
Activity 3
Lead to objective 1 test it
评价标准：观看视频回答问题，正确说出1个词语得1分，共3分。本活动共3分。 我得（ ）分。
Let's enjoy another video and answer the question.
What can we do to save the earth (three words answer)
Reduce(减少；降低).
Reuse(重复使用；再次利用).
Recycle(回收利用；再循环).
Look and say
Activity 4
Lead to objective 1 test it
评价标准：根据所给图片和上下文完成句子填空，正确填出1个空格得1分，共5分。加上下1页，本活动共9分。 我得（ ）分。
Look at the pictures and fill in the blanks.
The earth is badly polluted. What should we do to help save the earth
We should ________school and stop riding in cars.
walk to
We should ________ books and paper.
recycle
We should _______ the lights when you leave a room.
turn off
_______ the water when you are brushing your teeth.
Turn off
__________ paper napkins.
/ n pk n/ n. 纸巾
/ ri sa k( )l v.回收利用
Don’t use
Watch and say
Activity 4
Lead to objective 1 test it
评价标准：根据所给图片和上下文完成句子填空，正确填出1个空格得1分，共4分。加上上1页，本活动共9分。 我得（ ）分。
Look at the pictures and fill in the blanks.
What can we do to save the earth
We could__________ as
much as possible.
plant trees
We could ______ the litter around us.
pick up
Take your own bags when shopping. _________plastic bags.
Don’t use
Use your _____________ when you buy takeaway food.
Say no to one-off things.
own chopsticks
Pre-listening
Activity 5
Lead to objective 1 test it
评价标准：按照由容易到最难的顺序排列出拯救地球的方法，按照自己的观点排列得5分，然后根据例句再说出自己的观点再得2分，共7分。本活动共7分。 我得（ ）分。
1a
What can we do to help save the earth Rank these items from the easiest (1) to the most difficult (5).
1
5
2
3
4
v. 回收利用；再利用
I think recycling books and paper is the easiest.
However, I think stopping riding in cars is the most difficult.
I think ...is the easiest. However, I think ...is the most difficult.
Pre-listening
Activity 6
Lead to objective 1 test it
评价标准：利用所给句型和例句来和同伴比较一下1a排列的顺序的答案，正确比较1个答案各得2分，共比较2个句子，共4分。本活动共4分。 我得（ ）分。
1b
Compare your answers in 1a with your partner.
______ 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
5
1
3
4
2
______ 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
5
3
2
4
1
Useful expressions: v + ing … …is difficult\easy. It’s easy\hard to … …
Stop riding in cars is really difficult, but it can cut down air pollution.
I agree. But it’s too easy to turn off the shower.
Turning off the lights when you leave a room is very easy, and it can save electricity.
I agree. But it’s really hard not to use paper napkins.
While listening
Activity 7
Lead to objective 2 test it
评价标准：听录音圈出Julia和Jack谈论的事情，圈出1个事情得1分，共4分；再听录音圈出Julia正在做的将来要做的从不会做的事情，共5分。本活动共9分。 我得（ ）分。
1c
Listen and check ( ) the things that Julia and Jack talk about.
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.
While listening
Activity 8
Lead to objective 2 test it
评价标准：再听录音判断句子正误，正确判断出1个句子得1分，共4分；把错误的句子再改正过来再得2分。本活动共6分。 我得（ ）分。
1d
Listen and choose T or F.
中考链接
1: Julia usually turns off the light
2. Julia often turns off the shower when washing hair.
3. Julia takes her own bag when shopping for a long time.
4.Jack likes riding his bike to school
T
T
F
F
never
will take
from now on
While listening
Activity 9
Lead to objective 2 test it
评价标准：再听录音完成听力句子填空，正确填出1个空格得1分，共8分。本活动共8分。 我得（ ）分。
Listen once more and fill in the blanks.
Jack: Turn off the lights, Julia. It saves ________.
Julia: Oh, I usually do that. I was just _________.
Jack: I see. I’ve just read a book which gives ideas about how we can save the environment. For example, you should ________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. __________ does it say
Jack: You should take your_________when you go shopping.
Julia: Oh, that’s easy. I’ll do that ____________. What else
Jack: People should __________ in carsand 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!________, I like riding my bike.
Julia: Yes, and you also live close to school!
electricity
in a hurry
turn off
What else
own bags
from now on
stop riding
Besides
Post-listening
Listen and repeat
Lead to objective 3
评价标准：根据对话材料完成改写句子填空，正确填出1个空格得1分，共8分。本活动共8分。 我得（ ）分。
Post-listening
Activity 10
Lead to objective 3 test it
Read and fill.
Jack has just read a book which gives ideas about how to _____ the environment. He tells Julia to turn off the shower when she's ________ her hair. What else does the book say It says people should take their own bags when they ____________. Julia thinks that's easy. She'll do that from now on. When Jack says people should stop riding in cars and start ___________, Julia thinks it's ________ because it would take her to get to school by bike! But Jack thinks it's good for the environment! Besides, he riding his bike and he also lives _______ school.
washing
save
go shopping
riding bikes
difficult
45 minutes
likes
close to
评价标准：用听力中的信息练习对话用自己的真实情况回答，俩俩对话互相回应，正确练习1个信息得2分，最多练习3个信息，共6分。本活动共6分。 我得（ ）分。
Post-listening
Activity 11
Lead to objective 3 test it
1e
Make a conversation using the information from the chart above. Say what is true for you.
We really shouldn’t use paper napkins, you know.
I know. I stopped using them last year.
We should turn off the lights when we leave the room.
I agree. I usually do that. But sometimes I am in a hurry.
We should turn off the showers when we are washing our hair.
Oh, I would never do that. I have very short hair. It only takes a
few minutes to wash.
We should take our own bags when shopping.
Oh, that’s easy. I’ll do that from now on.
We should stop riding in cars and start riding bikes.
No way! It would take me 45 minutes to get to school by bike!
Post-listening
Activity 12
Lead to objective 3 test it
By 2025, rubbish on the earth will reach 2 billion tons!
Can you tell us the traditional ways to process waste
Disadvantages:
occupying(占用) land；
xpensive; causing secondary pollution(二次污染)
burying(填埋)
burning
评价标准：根据图片说出处理垃圾的方法，说出1种得2分，共4分。加上下1页，本活动共8分。 我得（ ）分。
评价标准：根据图片说出处理垃圾的方法，说出1种得2分，共4分。加上上1页，本活动共8分。 我得（ ）分。
Post-listening
Activity 12
Lead to objective 3 test it
What else can we do with rubbish
We can sort the rubbish.我们可以把垃圾分类。
We can also recycle the rubbbish.
What can we do with plastic bottles
We can use them to ...
grow flowers
make art
works
What can we do with old clothes
What can we do with metal(金属)
Post-listening
Look and say
Lead to objective 3
It's everyone's job to protect the envionment.
Post-listening
Look and say
Lead to objective 3
Let’s summarize.
In order to save the earth, we should…
1.turn off the lights when you leave a room.
2.turn off the shower when you're washing your hair.
3.take your own bags when you go shopping.
4.stop riding in cars and start riding bikes.
5.recycle books and paper.
6.not use paper napkins.
7.use public transportation.
评价标准：选择单词并用其正确形式填空，正确填出1个句子得1分，共5分。本活动共5分。 我得（ ）分。
Class test
Don't _______paper napkins any more.
________paper is good for our environment.
We are supposed to _________off the lights when we leave the room.
It's hard to stop ______in cars
Julia would never _______ away litter at school.
I.选择合适的单词,并用其正确形式填空
turn, use, throw, recycle, ride
use
Recycling
turn
riding
throw
评价标准：根据上下文在空白处填入恰当的词或者填入括号内单词的正确形式，正确填出1个空格得1分，共10分。本活动共10分。 我得（ ）分。
Class test
II.阅读短文，在空白处填入恰当的词或填入括号内单词的正确形式(不超过三个单词)。
How many backpacks have you owned since you went to school Backpacks ___________ (become) common and popular among students in the past 30 years. If your backpacks become old, will you just treat them as rubbish and throw them away
Five years ago, a research ________ (show)that 85% of the old backpacks ended up in rubbish. But as we know, most backpacks are produced from different _________ (material). If we throw them away, they will be harmful ________ our environment.
Although some of the old backpacks are no longer of their right color or size, there are still many things you can do with them. Here are some ________(use)ways for you.For example, do you feel it difficult to find _______ (you) tools in the house You can solve this problem by _________(make) use of your old backpacks to store all kinds of tools. Also, it is ________ wonderful idea that you can put your old backpacks online for sale. Besides, offering your backpacks to other poor kids is another good choice, as those old backpacks may make their life ________________ (convenient) than before.
All in all, old backpacks are still of great value as long as we put them into use __________ (wise). Remember: rubbish can be turned into treasure!
have become
showed
materials
to
useful
your
making
a
more convenient
wisely
Self-evaluation
本节课共93分 ，我共得（ ）分。
我的评价等级（在等级括号内打钩）：
获得至少80分 ，优秀（ ）；
获得至少70分 ，良好（ ）；
获得至少60分 ，合格（ ）。
【学后反思】
1.通过本节课的学习，我能够： 我需要课后继续加强
1）能够通过观看视频说出拯救地球的方法
2）能够和同伴俩俩对话，交换对拯救地球观点的看法；
3）能正确完成听力选择，听力判断正误和听力填空；
4）组内完成对话和问答活动；
5）能够通过完成句子对听力材料进行改写；
2.从本课你学到了哪些听力策略？
3.对本节课你还有什么疑惑或者收获？
Homework
1. 校园环保标语征集。观察和讨论身边的不环保现象，小组合作，针对各种不环保的现象设计至少三条以上的环保标语，设计成海报。以下标语提示句型可供参考：
Don’t …
We should …
We can’t /shouldn’t …, or …
If we …, our world will …
2. Preview the new words and phrases in Section B (P 102- 103).
谢谢
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Unit 13 Section B 1a-1e分层作业
一、多句选词填空
用方框中所给单词的适当形式填空
harm，fisherman，science，wood，buy
1．There’s a ________ boat in the middle of the lake.
2．The pollution is ________ to all the life on the earth.
3．All the ________ are not allowed to catch fish in this area.
4．We found out the truth by doing a lot of ________ experiments.
5．I can’t afford ________ that book because it is too expensive.
按要求完成句子
6．He used to go fishing by the lake every weekend. （对画线部分提问）
________ ________ he ________ to do every weekend
7．I don’t agree that we should cut down too many trees. （改为简单句）
I am ________ cutting down too many trees.
8．Tom doesn’t have enough money to buy that violin. （改为同义句）
Tom ________ ________ ________ buy that violin.
9．How much did she pay for the dress （改为同义句）
How much ________ the dress ________ her
10．She is not a music lover anymore. （改为同义句）
She is ________ ________ a music lover.
单项选择
11．—This is really _______ ugly bird.
—But it is _______ useful bird. It can help fishermen catch fish.
A．an; a B．an; an C．a; a D．a; an
12．If you can speak English well, you will have a great ________ over others when looking for a job.
A．activity B．advantage C．attention D．action
13．Throwing rubbish into the river is ________ to the fish in it.
A．useful B．beautiful C．harmful D．meaningful
14．—Mr. Huang, it’s late. Why are you still here
—My daughter hasn’t come back from school yet. I am ________ for her.
A．calling B．waiting C．asking D．hoping
15．This book is the most ________ that I have ever read. I can’t put it down.
A．boring B．difficult C．fantastic D．dangerous
16．Don’t throw away the waste paper. It needs ________.
A．taking B．recycling C．keeping D．remaining
17．Now many wild animals are in danger. If we don’t ________ to protect them, it will be hard for us to see them in the near future.
A．leave out B．call up C．take action D．give up
18．—We are supposed to recycle paper and bottles.It can help protect the environment.
—________.It can save money，too.
A．It's nothing B．Best wishes C．I agree D．All right
19．We find ________ hard to do a job very well.
A．this B．that C．it D．these
20．—What should I do to be a green man
—It is easy.For example，________ your own bags when ________.
A．take；shopping B．taking；shopping
C．taking；you shopping D．take；you shopping
21．—Why haven’t you bought a car, Mr Lin You can one.
—Well, I have money for it, but I want to go green.
A．offer B．afford C．avoid D．allow
22．—Now people have to pay some money for bags in supermarkets.
—Yes. Because they are bad for the environment.
A．bin B．paper C．cloth D．plastic
23．We should try our best to solve pollution problems ________ complaining them.
A．rather than B．instead of C．for D．or
24．—Everyone should use both sides of paper.
—Yes. If we all use both sides of paper, many trees ________ be saved.
A．need B．have to C．can D．must
25．—Don’t keep the water running while brushing your teeth.
—Sorry. I forgot to ________.
A．turn on it B．turn it on C．turn off it D．turn it off
26．—How shall we go to the airport
—Let’s take the airport bus. It ____ only 20 minutes and ______ much less than taking a taxi.
A．takes；costs B．spends；spends C．spends；costs D．takes；spends
27．—There ________ lots of trees in the area.
—But they have all gone because people built a railway here.
A．have been B．used to be C．have had D．used to have
28．—I think the biggest environmental problem in my country is air pollution.
—________. The air here is much more polluted than in my country.
A．Not really B．Me, too C．Yes, I agree D．It doesn’t matter
29．Recycling is good, so don't ______ bottles or newspapers.
A．find out B．hand in C．use up D．throw away
30．—Do you often use paper napkins
—Seldom，________ they are cheap and easy to get.
A．since B．although C．because D．if
四、完形填空
I am Grace Cortese，and I am 10 years old.I believe I can make a difference in ___31___ the environment，because my science teacher，Mrs.Esby，tells us that there are many things we can do to help protect the environment ___32___ we are willing to change our habits.
Every year at my birthday party，I ___33___ charitable donations instead of gifts.When I was eight，I asked my friends to donate to the Natural Resources Defense Council to save the polar bears.I ___34___ almost $150.Last year，my friend，Mary，also did that.Imagine how much money we could raise to save the environment if everyone asked for charitable donations ___35___ their birthdays!
My whole ___36___ is doing things to help protect the earth，too.Our school makes a carpooling(合伙用车)program to reduce the number of cars on the road，and we have a “Walk to School” day once a year.___37___ science teacher，Mrs.Esby，has a “Teenie Greenies” club at lunch and she teaches a class on how to recycle after school.And we ___38___ do beach clean－up.
If you ___39___ to do something for the environment，look through the website Grades of Green.It is ___40___ of great ideas for us to reduce，reuse and recycle waste，and it also has a lot of really interesting facts.
31．A．using B．protecting C．cleaning D．preventing
32．A．even if B．until C．because D．if
33．A．ask for B．look for C．pay for D．send for
34．A．sold B．borrowed C．raised D．rented
35．A．to B．for C．with D．off
36．A．school B．home C．factory D．office
37．A．Her B．His C．Your D．My
38．A．still B．yet C．also D．already
39．A．want B．consider C．enjoy D．refuse
40．A．short B．full C．tired D．fond
五 、阅读还原6选5 根据短文内容，从方框内所给的选项中选出能填入空白处的最佳选项，使短文意思通顺。选项中有一项为多余项。
You may be worrying about the environment and trying to change your lifestyle，for example，riding to school or taking a shopping bag and so on.But do you know we could have a real influence on the environment and climate(气候) change by eating less meat
___41___ Studies have shown that keeping animals for human produces lots of greenhouse gases(温室气体)．It's even more than all of the carbon dioxide produced by boats，planes and trains in total around the world.Beef is worse for the environment than the other meats.___42___ However，in some countries，beef is the most-loved meat.By 2050，there will be three billion meat-eater.That means more resources will be needed like land，water and food.
On the other hand，it would be too difficult for meat lovers to completely give up meat.___43___ They could at first consider chicken and fish instead of red meat，such as beef，mutton and pork.This is because productions of chicken and fish have a much less influence on the environment.What's more，eating more fish is good for their brain.___44___ For example，you can eat meat on only one day of the week.___45___ Some believe that it is a healthier lifestyle while some hope to protect the environment.Anyway，we know 2015 is the hottest year in recorded history，so it's time to think of a good way to both keep fit and help the environment.
A．Here are two steps they can follow.
B．Because lots of trees are cut down for more land for cows.
C．People stop eating meat for different reasons.
D．And they don't want to keep away from meat.
E．Then try to cut down the times of eating meat.
F．In fact，giving up meat can do much to save our planet.
Unit 13 Section B 1a-1e 分层作业答案与详解
一、多句选词填空
【答案】1．wooden 2．harmful 3．fishermen 4．scientific 5．to buy
【解析】1．句意：湖中央有一艘木船。空处修饰其后的名词，结合选词可知，此处应用wooden“木制的”，故填wooden。
2．句意：污染对地球上所有的生命都有害。根据“The pollution is...to all the life on the earth”及选词可知，污染是有害的，harmful“有害的”，be harmful to“对……有害”，故填harmful。
3．句意：所有的渔民都不允许在这个地区捕鱼。根据“are not allowed to catch fish”及选词可知，此处指的是fisherman“渔民”，空前有all修饰，名词用复数形式，故填fishermen。
4．句意：我们通过做大量的科学实验发现了真相。根据“We found out the truth by doing a lot of...experiments.”及选词可知，此处指的是“科学的实验”，scientific“科学的”，是形容词，作定语，修饰其后的名词，故填scientific。
5．句意：我买不起那本书，因为它太贵了。根据“because it is too expensive.”及选词可知，此处指的是“买不起”，afford to do sth.“支付得起去做某事”，故填to buy。
二、按要求完成句子
6．He used to go fishing by the lake every weekend. （对画线部分提问）
________ ________ he ________ to do every weekend
【答案】 What did use
【详解】句意：他过去每个周末都去湖边钓鱼。根据划线部分“go fishing by the lake”可知，此处是对动作的提问，应用what，原句是一般过去时，疑问句用助动词did，后接动词原形，故填What；did；use。
7．I don’t agree that we should cut down too many trees. （改为简单句）
I am ________ cutting down too many trees.
【答案】against
【详解】句意：我不同意我们应该砍伐太多树木。原句是宾语从句，表示“不同意砍树”，猜测可以转换成“反对砍树”，结合“am...cutting”可知，句子已有谓语，此处可用介词against“反对”，故填against。
8．Tom doesn’t have enough money to buy that violin. （改为同义句）
Tom ________ ________ ________ buy that violin.
【答案】 can’t afford to
【详解】句意：汤姆没有足够的钱买那把小提琴。“没有足够的钱买”可改为“不能负担得起”，应用情态动词can’t表示能力“不能”；其后加动词原形afford“负担得起”，afford to do sth.“负担得起做某事”。故填can’t；afford；to。
9．How much did she pay for the dress （改为同义句）
How much ________ the dress ________ her
【答案】 did cost
【详解】句意：她买这条裙子花了多少钱？转换句主语是“the dress”，此处可以用cost表示“花费”，原句是一般过去时，疑问句用助动词did，后接动词原形，故填did；cost。
10．She is not a music lover anymore. （改为同义句）
She is ________ ________ a music lover.
【答案】 no longer##more
【详解】句意：她不再是音乐爱好者了。not...anymore表示不再……，可用no more/no longer替换，表示“不再”，是固定短语，故填no；longer/more。
单项选择
11．—This is really _______ ugly bird.
—But it is _______ useful bird. It can help fishermen catch fish.
A．an; a B．an; an
C．a; a D．a; an
【答案】A
【详解】句意：——这真是只丑鸟。——但它是一只有用的鸟，它可以帮助渔民捕鱼。
考查冠词的用法。an用于发音以元音音素开头的词前，a用于发音以辅音音素开头的词前。ugly首字母u发音是元音，所以前面使用an，而useful首字母u发音是辅音，所以前面使用a。故选A。
12．If you can speak English well, you will have a great ________ over others when looking for a job.
A．activity B．advantage C．attention D．action
【答案】B
【详解】句意：如果你能说一口流利的英语，你在找工作时会比别人有很大的优势。
考查名词辨析。activity活动；advantage优点，优势；attention注意；action行动；根据“If you can speak English well...when looking for a job.”可知，这里是说一个优势，故选B。
13．Throwing rubbish into the river is ________ to the fish in it.
A．useful B．beautiful C．harmful D．meaningful
【答案】C
【详解】句意：把垃圾扔进河里对河里的鱼是有害的。
考查形容词的辨析。useful有用的；beautiful漂亮的；harmful有害的；meaningful有意义的。根据“Throwing rubbish into the river is…to the fish in it.”以及结合选项可知，把垃圾扔进河里对鱼有害。“有害的”harmful，是形容词，位于系动词“is”之后，作表语。故选C。
14．—Mr. Huang, it’s late. Why are you still here
—My daughter hasn’t come back from school yet. I am ________ for her.
A．calling B．waiting C．asking D．hoping
【答案】B
【详解】句意：——黄先生，很晚了。你怎么还在这儿？ ——我女儿还没从学校回来。我在等她。
考查动词的辨析。calling打电话；waiting等待；asking询问；hoping希望。根据“My daughter hasn’t come back from school yet. I am…for her.”可知，女儿还没从学校回来，此时应是爸爸在等女儿。wait for sb“等待某人”。故选B。
15．This book is the most ________ that I have ever read. I can’t put it down.
A．boring B．difficult C．fantastic D．dangerous
【答案】C
【详解】句意：这本书是我读过的最奇妙的书。我放不下它。
考查形容词辨析。boring无聊的；difficult困难的；fantastic极好的；dangerous危险的。根据“I can’t put it down”可知，书太精彩了，所以无法放下这本书，故选C。
16．Don’t throw away the waste paper. It needs ________.
A．taking B．recycling C．keeping D．remaining
【答案】B
【详解】句意：不要把废纸扔掉。它需要被回收。
考查动词辨析。taking拿；recycling回收；keeping保持；remaining遗留；分析“Don’t throw away the waste paper. It needs…”可知，废纸可以“被回收”，故选B。
17．Now many wild animals are in danger. If we don’t ________ to protect them, it will be hard for us to see them in the near future.
A．leave out B．call up C．take action D．give up
【答案】C
【详解】句意：现在许多野生动物处于危险之中。如果我们不采取行动保护它们，我们将很难在不久的将来看到它们。
考查动词短语。leave out遗漏；call up打电话给；take action采取行动；give up放弃；根据“Now many wild animals are in danger...it will be hard for us to see them in the near future.”可知，应是说要“采取行动”保护动物，故选C。
18．—We are supposed to recycle paper and bottles.It can help protect the environment.
—________.It can save money，too.
A．It's nothing B．Best wishes
C．I agree D．All right
【答案】C
【详解】句意：——我们应该重复利用纸和瓶子。它能帮助保护环境。——我同意。它也能节约钱。It’s nothing.没什么；Best wishes最好的祝福；I agree我同意；All right好，可以。根据It can save money，too.可知此处同意重复利用纸和瓶子有好处，故选C。
19．We find ________ hard to do a job very well.
A．this B．that C．it D．these
【答案】C
【详解】句意：我们认为做好一份工作很难。根据句型find it +形容词+to do sth认为做某事是…...，故用代词it，故选C。
20．—What should I do to be a green man
—It is easy.For example，________ your own bags when ________.
A．take；shopping B．taking；shopping C．taking；you shopping D．take；you shopping
【答案】A
【详解】句意：——要成为一个环保的人，我应该怎么做？——这是容易的。例如，当你购物时，带着你自己的包。此处是祈使句，故用动词原形作谓语，故第一空为take。第二空是省略句，主语you和谓语are省略掉，主语you与谓语shop之间是主动关系，故用现在分词shopping。故选A。
21．—Why haven’t you bought a car, Mr Lin You can one.
—Well, I have money for it, but I want to go green.
A．offer B．afford
C．avoid D．allow
【答案】B
【详解】试题分析：考查动词辨析。offer提供; afford买得起; avoid避免; allow允许。句意为“你能买得起”。故选B。
22．—Now people have to pay some money for bags in supermarkets.
—Yes. Because they are bad for the environment.
A．bin B．paper
C．cloth D．plastic
【答案】D
【详解】试题分析：考查名词辨析。bin垃圾箱; paper纸; cloth布; plastic塑料。句意: 现在人们必须为超市里的塑料袋付费。故选D。
23．We should try our best to solve pollution problems ________ complaining them.
A．rather than B．instead of C．for D．or
【答案】B
【详解】句意：我们应该尽最大努力解决污染问题，而不是抱怨它们。
考查介词和介词短语辨析。rather than而不是；instead of而不是；for为了；or或者。根据句意和空后“complaining them”可知，此处表示不应抱怨污染问题，rather than后接动词原形，故排除A，instead of后接动名词。故选B。
24．—Everyone should use both sides of paper.
—Yes. If we all use both sides of paper, many trees ________ be saved.
A．need B．have to C．can D．must
【答案】C
【详解】句意：——每个人应该使用纸的两面。——是的。如果我们都使用纸的两面，许多树能被挽救。
考查情态动词辨析。need需要；have to 不得不；can能够；must 是必须。根据句意“many trees ________ be saved”可知，此处表示能够挽救很多树，应用情态动词can。故选C。
25．—Don’t keep the water running while brushing your teeth.
—Sorry. I forgot to ________.
A．turn on it B．turn it on C．turn off it D．turn it off
【答案】D
【详解】句意：——刷牙的时候，不要让水一直流淌着。——对不起。我忘了关上它。
考查动词词组辨析。turn on打开；turn off关闭。根据“Don’t keep the water running while brushing your teeth.”可知，此处表示忘了关上，故用turn off；turn off为动词+副词构成的词组，代词作宾语时要用宾格放在中间。故选D。
26．—How shall we go to the airport
—Let’s take the airport bus. It ______ only 20 minutes and ______ much less than taking a taxi.
A．takes；costs B．spends；spends C．spends；costs D．takes；spends
【答案】A
【详解】句意：--我们将如何去机场 --让我们乘坐机场公交车吧。只需要20分钟，比坐出租车花费更少。故选A。主语是it，表示花费时间用take，花费金钱用cost；spend的主语必须是人，故选A。
【点睛】spend主语是人，宾语可以是钱、精力、时间等。cost主语是物或事，后接life， money，health， time等，侧重于“花费”的代价。take的主语是事或人，它说明事情完成“花费了…”。
27．—There ________ lots of trees in the area.
—But they have all gone because people built a railway here.
A．have been B．used to be C．have had D．used to have
【答案】B
【详解】句意：——在这个地区过去有很多树。——但是他们都不在了，因为人们在这里建立一条铁路。
考查一般过去时和there be句型。used to do sth“过去常常做某事”。根据“But they have all gone because people built a railway here.”可知，空格所在句表示过去这里有很多树，应用一般过去时，排除A、B选项，根据“There ... lots of trees in the area.”可知，空格所在句为there be句型，“be”表示存在，译为“有”。故选B。
28．—I think the biggest environmental problem in my country is air pollution.
—________. The air here is much more polluted than in my country.
A．Not really B．Me, too C．Yes, I agree D．It doesn’t matter
【答案】C
【详解】句意：——我认为在我国最大的环境问题是空气污染。——是的，我同意。这的空气比我国的污染得更严重。
考查情景交际。Not really真的不是；Me, too我也是；Yes, I agree是的，我同意；It doesn’t matter没关系。根据“The air here is much more polluted than in my country.”可知，我国空气污染严重，故表示同意对方的说法。故选C。
29．Recycling is good, so don't ______ bottles or newspapers.
A．find out B．hand in C．use up D．throw away
【答案】D
【详解】句意：回收是好的，所以不要扔掉瓶子和报纸。A. find out 查明；B. hand in 上交； C. use up 用光；D. throw away扔掉。根据Recycling is good可知此处表示要回收利用，不要乱扔东西，故选D。
30．—Do you often use paper napkins
—Seldom，________ they are cheap and easy to get.
A．since B．although C．because D．if
【答案】B
【详解】句意：——你经常使用纸巾吗？——很少，尽管他们便宜，容易买到。
since 和because表示原因。although尽管。If是如果的意思。结合句意，前后两句之间表示让步关系，故用连词although，故选B。
四、完形填空
【答案】
31．B 32．D 33．A 34．C 35．B 36．A 37．D 38．C 39．A 40．B
【分析】本文讲述了我每年生日为了保护环境，要求慈善捐赠，而不是礼物。我们学校做了很多事来帮助保护环境。
31．B
考查动词及语境的理解。A. using 使用；B. protecting 保护； C. cleaning 打扫； D. preventing阻止；句意：我认为我可以在保护环境中是有影响的。根据后文的because my science teacher，Mrs.Esby，tells us that there are many things we can do to help protect the environment 2 _可知此处表示我在保护环境中有影响，故选B。
32．D
考查连词及语境的理解。A. even if 即使； B. until 直到； C. because 因为； D. if如果；句意：如果我们愿意改变我们的习惯，我们能做很多事来帮助保护环境。此处表示条件，故用连词if。故选D。
33．A
考查动词短语及语境的理解。A. ask for要求； B. look for寻找；C. pay for支付；D. send for派人去叫；句意：每年在我的生日聚会上，我要求慈善捐款而不是礼物。根据I asked my friends to donate to the Natural Resources Defense Council to save the polar bears.可知此处表示要求捐款，故选A。
34．C
考查动词及语境的理解。A. sold 出售； B. borrowed 借入； C. raised 筹集，抚养； D. rented出租；句意：去年我筹集了几乎150美元。根据I asked my friends to donate to the Natural Resources Defense Council to save the polar bears.可知此处表示筹集钱，故选C。
35．B
考查介词及语境的理解。A. to 向； B. for 为了；C. with 和……一起； D. off离开；句意：想象一下如果每个人为了他们的生日要求慈善捐赠，我们为了保护环境能筹集多少钱！此处表示目的，故用介词for，故选B。
36．A
考查名词及语境的理解。A. school 学校； B. home 家；C. factory 工厂；D. office办公室；句意：我的全校也正在做事来帮助保护地球。根据Our school makes a carpooling(合伙用车)program to reduce the number of cars on the road可知此处表示我的学校在帮助保护环境，故选A。
37．D
考查代词及语境的理解。A. Her 她的； B. His 他的；C. Your 你的；D. My我的；句意：我的科学老师Esby太太在午饭时有一个Teenie Greenies俱乐部。根据前文的because my science teacher，Mrs.Esby，可知Mrs Esby是我的科学老师，故选D。
38．C
考查副词及语境的理解。A. still 仍然； B. yet 然而； C. also 也； D. already已经；句意：而且我们也在做海滩清扫。此处表示我们也在做环保的事情，位于句中，故用副词also，故选C。
39．A
考查动词及语境的理解。A. want 想要； B. consider 考虑；C. enjoy喜欢； D. refuse拒绝；句意：如果你想要为环境做些事，浏览一下绿色等级的网站。want to do sth想要做某事，故选A。
40．B
考查形容词及语境的理解。A. short 短的； B. full 满的； C. tired累的； D. fond喜欢的；句意：对我们来说，它满是减少垃圾，再使用垃圾和重复使用垃圾的非常好的主意，它也有很多有趣的事实。be full of充满，故选B。
【点睛】根据前后文的语境，结合时态，语态，词性，短语，句型，词义辨析和主谓一致，选出正确的选项。例如小题3，句意：每年在我的生日聚会上，我要求慈善捐款而不是礼物。根据I asked my friends to donate to the Natural Resources Defense Council to save the polar bears.可知此处表示要求捐款，故选A。
五 、阅读还原6选5 根据短文内容，从方框内所给的选项中选出能填入空白处的最佳选项，使短文意思通顺。选项中有一项为多余项。
【答案】41．F 42．B 43．A 44．E 45．C
【分析】本篇文章难度适中，主要讲述少吃肉可以保护环境并讲述原因以及少吃肉的方法。
41．根据空后Studies have shown that keeping animals for human produces lots of greenhouse gases(温室气体)可知，饲养动物会产生很多温室气体，所以不吃肉对保护地球有很大的作用。故选F。
42．根据空前Beef is worse for the environment than the other meats可知，相比其他肉，牛肉对环境产生的影响更大，空处讲述原因，因为养牛要砍倒很多树，故选B。
43．根据空后They could at first consider chicken and fish instead of red meat，such as beef，mutton and pork以及What's more，eating more fish is good for their brain可知，讲述了放弃吃牛肉的两个方法，故选A。
44．根据For example，you can eat meat on only one day of the week可知，讲述减少吃肉的次数。故选E。
45．根据Some believe that it is a healthier lifestyle while some hope to protect the environment可知，讲述不吃肉的理由，故选C。
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