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Unit13 We're trying to save the earth!
Section A Period3同步练习
用括号中所给单词的适当形式填空。
There are many ____________ (danger) animals in the world today because of humans' improper behavior.21教育网
2.We all know that Taiwan is in the _________(south) part of China.
3. __________ (science) farming is important.Now more and more farmers are interested in it.www.21-cn-jy.com
4.China is facing more and more ________________(environment) problems.
5.Fruit juice can be _________ (harm)to children's teeth.www-2-1-cnjy-com
单选。
1.I don't know the writer，but I have ________ him.21*cnjy*com
A．laughed at B．waited for C．heard of D．agreed with
2.Drinking alcohol(白酒)can be ________ your brains. So people in China aren't allowed to drink it if they are younger than 18.2-1-c-n-j-y
A．good at B．good with C．harmful to D．thirsty for
3.Because of the water pollution，they had to ________ the city's water supply for several days.21cnjy.com
A．cut up B．cut out C．cut off D．cut in
4. —What film do you like best
—The Martian. It _______shows a lot of imagination, _____has a sense of humor.
A．too; to B．neither; nor
C．either; or D．not only; but also
5.—What ________ the number of the students in your school？21·cn·jy·com
—About two thousand.A number of them ________ from the countryside.
A．is；are B．is；is
C．are；is D．are；are
三、完成句子。
1．很多野生动物处于极度危险中。
Many wild animals are ________ ________ ________.21世纪教育网版权所有
2．交通废气对环境有害。
Traffic fumes ________ ________ ________ the environment.
3．对政府来说，教育是位于议程最顶端的事情。
For the government, education is now ________ ________ ________ ________ the agenda.【来源：21·世纪·教育·网】
4．如果它们的数量降到太低,它将会给全部海洋生命带来危险。
If their numbers________ ________ ________,it________ ________danger to all ocean life. 【来源：21cnj*y.co*m】
5．我觉得对我来说是采取行动的时间了。
I felt that it was time for me ________ ________ ________．【出处：21教育名师】
四、阅读。
Some visitors to new places take pictures of animals, but other visitors hunt (打猎) and kill them. They do not kill animals for food, but because they like hunting. In many countries people can make a lot of money from animals.21*cnjy*com
Elephants die because people want ivory. Rhinoceros (犀牛) die because people want to buy their horns.
Pollution (污染) of our land, sea, rivers and sky is getting worse and worse. We are making our world a much dirtier place, so many animals cannot live in it. Pollution is bad for all of us. It’s killing animals. Sooner or later it is going to kill people too.We put new buildings on empty land and don’t think about animals. We make new roads, move rivers and cut down trees. So we are taking the natural homes of animals very fast. Where can they go In the end, the answer is often nowhere and the animals die. Animals are in danger from natural accidents. Some animals die because the weather changes and some animals are also in danger from our behaviour (行为). We can not protect animals or people from accidents or changing the weather, but we can think about our behaviour and change that!
（1）The meaning of the underlined word “ivory” in the passage is _______in Chinese.
A . 虎骨 B . 象牙 C . 羊绒 D . 鹿茸
（2）The number of the animals is becoming smaller and smaller because of ______.
A . natural accidents B . people’s behaviour
C . the changing weather D . all of the above2·1·c·n·j·y
（3）Without animals or plants, __________. 【版权所有：21教育】
A . people will be happy B . people will have less room
C . people will die sooner or later D . there will be no pollution
（4）We should __________ to protect animals and ourselves.
A . take away more land B . change our bad behaviour
C . cut down trees D . make new roads
（5）What’s the best title for the passage 21·世纪*教育网
A . My favourite animals B . Natural accidents
C . Pollution D . Animals in danger21教育名师原创作品
Unit13 We're trying to save the earth!
Section A Period3同步练习答案
三、1.in great danger 2.are harmful to 3.at the top of 4.fall too low will bring
5.to take action
四、BDCBD
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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!
SectionA Period 3
人教新目标(Go for it)九年级全册
Warming-up
Let's watch a video.
What did you see in the video
which animal is the strongest in the ocean
ocean ecosystem 生态系统
shark
鲨鱼
the food chains 食物链
shark
鲨鱼
Sharks are at the top of the food chain in the ocean’s ecosystem.They have lived in the ocean for over 400 million years, even older than the dinosaurs.(恐龙）Sharks have NEVER hurt people on purpose(故意).
How much do you know about the sharks
Brainstorm
Many people think that sharks are too strong to be endangered, but they are wrong.
The sharks are endangered!
shark fin
shark fin soup鱼翅汤
People catch them to cut off their fins.
Discussion
Why the sharks are endangered
鱼翅，就是鲨鱼鳍中的细丝状软骨，形似粉丝,取材于鲨鱼的背鳍、胸鳍、尾鳍。
鱼翅价格昂贵，在高档酒店，每份鱼翅羹(shark fin soup )约800-1500元人民币。
鱼翅本身并没有什么味道，烹制时要用许多调味品给鱼翅赋味。
Do you know how to get the shark fin
It’s not only cruel,but also harmful to the environment.
What can you see in the picture
What does the passage may talk about
1. A shark.
2. It may talk about the sharks.
Look at the photo, the questions in 3a and the title of the story on page 99. Then answer the questions below.
Pre-reading
Para. 1
Para. 2
Para. 3
We should help save the sharks.
An introduction of shark fin soup.
Sharks are endangered because of people’s killing.
Read the title, the first and last sentences in each paragraphs and match the main ideas.
Reading task1
Many have heard of shark fin soup. This famous and expensive dish is especially popular in southern China. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup
Reading task3
Read Para. 1 . And answer the question below.
shark fin soup
1.What do you know about the shark fin soup
2.What does it mean when people enjoy a bowl of shark fin soup
A dish
be famous
be popular in southern China
be expensive
They’re killing a whole shark each time they
enjoy a bowl of shark fin soup.
fact
When people catch sharks,they cut off their fins and throw the shark back into the ocean. This is not only cruel，but also harmful to the environment. Without a fin,a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers drop too low,it will bring danger to all ocean life. Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact,around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
Reading task4
Read Para. 2 . And finish the task below.
①People cut off sharks’ fins and throw the sharks back into the ocean .
② Sharks will be well without their fins.
③ Sharks are in the bottom of the food chain in the ocean’s ecosystem.
④ Sharks can never be endangered.
⑤The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
Tell true (T) or false (F)
T
F
F
F
T
Why
This is not only cruel, but also harmful to the environment.
Find out the two opinions about killing sharks:
Without a fin……
can no longer swim
and slowly dies.
…at the top of the food
chain…. bring danger
to the all ocean life.
2. Many believe that sharks can never be endangered.
Why
But in fact,
around 70 million…
were caught and traded in this industry every year.
The numbers …have fallen by over 90 percent in the last 20 to 30 years.
Save the sharks!
`
people cut off their fins and eat shark fin soup.
A shark can no longer swim and slowly dies.
at the top of the food chain in the ocean’s ecosystem
If sharks’ numbers drop too low, It will bring danger to all ocean life.
Environmental protection groups around the world，such as Wild Aid and the WWF，are teaching the public about “finning”．They have even asked governments to develop laws to stop the sale of shark fins. So far，no scientific studies have shown that shark fins are good for health，so why eat them？Help save the sharks！
Reading task4
Read Para.3 . And finish the task below.
1. What are the two environmental protection groups
美国野生救援会(WildAid)是1999年在美国注册的非盈利机构，总部在美国旧金山，它对濒临绝迹的野生动物提供直接的保护，并且发展许多有创意的计划，以教育大众关于野生动物及生态平衡的重要性。
世界自然基金会(WWF)是在全球享有盛誉的、最大的独立性非政府环境保护组织之一，自1961年成立以来，WWF一直致力于环保事业，在全世界拥有超过500万支持者和超过100个国家参与的项目网络。
2. What are they doing & what have they done
They are teaching the public about “finning”.
They have even asked governments to develop laws(法律) to stop the sale of shark fins.
3. Are the shark fins good for health？
No scientific studies have shown that shark fins are good for health.
Where shark fin soup is popular
Number of sharks caught and traded every year
the numbers of some kinds of sharks have fallen in the last 20 to 30 years
Two environmental groups which are against “finning”
southern China
70 million
over 90 percent
WildAid and the WWF
3a
Read the passage about sharks and complete the fact sheet below.
1.A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。
Language Points
【解读】no longer &no more “不再”
no longer和not…any longer 侧重时间
not…any more 侧重程度和数量
e.g.I’m no longer a student.
我不再是个学生了。
You can drink no more. = You can’t drink any more.
你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。)
2.This method is not only cruel, but also harmful to the environment.这种方法不但残忍而且对环境有害。
【解读】not only...but also...不但……而且……
连接两个并列的主语时，谓语动词遵循就近原则。当not only...but also连接两个句子且not only位于句首时，not only分句要部分倒装，后一分句则不用。
e.g.
Not only she but also I am a good student.
不但她，而且我也是一个好学生。
Not only can he read，but also he can write.
他不但会读，而且会写。
【解读】 harmful/'hɑ (r)mfl/ adj.有害的
harmful可用作表语和定语，常用于be harmful to“对……有害”这个结构中。
注意：harmless adj.无害 harm n. /v.伤害
do harm to 对……有害
e.g.
Eating too much candy is harmful to your
teeth. 吃太多的糖对你的牙齿有害。
That will do harm to your study.
那对你的学习不利。
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3.Sharks are at the top of the food chain in the ocean’s ecosystem.鲨鱼位于海洋生物系统食物链的顶部。
【解读】at the top of 在...最高地位; 用最高[最大]的(速度, 声音等)
e.g.
I looked at the top of his head, his hair shiny and parted smoothly.
我看他的头顶, 头发光亮, 分得平滑。
He shouted at the top of his voice in order that he might be heard.
他尽力大声叫喊, 以便别人能听见。
4.If their numbers drop too low, it will bring danger to all ocean life.
【解读】 此句复数形式的number表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰常与number搭配的动词：grow, fall
e.g.
In that country, the number of children going to school is higher in cities than in towns and village.
在那个国家，城市儿童入学人数比乡镇及农村要高。
Check if you know these phrases.
1.听说
2.在中国南部地区
3.每当
4.一碗鱼翅汤
5.切掉
6. 不再
7.不仅…而且
8.对…有害
hear of
in southern China
each time
a bowl of shark fin soup
cut off
no longer/more
not only …… but also
be harmful to
Phrases summary
21世纪教育网
Check if you know these phrases.
9.在…的顶部
10.食物链
11.实际上，事实上
12. …的数量
13.在过去20到30年里
14.到目前为止
15.海洋生态系统
at the top of
the food chain
in fact
the number of
in the last 20 to 30 years.
So far
the ocean’s ecosystem
3b
Read the passage again and fill in the blanks with the words in the box.
so although if but when
Many people do not realize they are
killing a whole shark ______ they
enjoy a bowl of shark fin soup.
2. Sharks are at the top of the food chain,
____ if their numbers drop, the ocean’s
ecosystem will be in danger.
when
so
3. Many think that sharks are too strong
to be endangered, _____ they are wrong.
4. _________ there are no scientific
studies to support this, a lot of people
believe that shark fins are good for
health.
5. Sharks may disappear one day ___ we
do not do something to stop the sale of
shark fins.
but
Although
if
adj. 科学上的，科学的
21世纪教育网
Retell the passage according to the words below.
A whole shark has been killed each time you enjoy a bowl of shark fin soup. When people catch sharks, they ______ their fins and throw the shark back into the ocean. Without a fin, a shark can __________ swim and slowly dies. If sharks’ numbers drop too low, it will ______________ all ocean life. ______________ some kinds of sharks have fallen ____ over 90 percent in the last 20 to 30 years.
cut off
no longer
bring danger to
The numbers of
by
Consolidation
Discussion
What can we do to save the sharks
It is everyone’s duty to save the sharks.
For the students, we can ……
And we can ......
We also can ......
21世纪教育网
No sale no killing.
没有买卖，就没有杀害。
Protecting wild animals is just protecting ourselves.
保护野生动物就是保护我们人类自己。
Don’t let our children can only see today’s animals in the museums.
不要让我们的孩子只能在博物馆里才能见到今天的动物。
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谢 谢！
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