(共61张PPT)
Unit 13
Period 2(3a-3c)
Section A
Watch a video
1.What is the video about？
2.What animals are mentioned？
protecting the animals
elephant,rhinoceros,shark,pangolin
3.Why do we need to save sharks？
People catch them to cut off their fins for the shark fin soup.
[ra n s r s]
[p ɡ l n]
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
Do you know how to get the shark fin
catch
cut off the shark fins
throw ...back into
no longer swim and slowly die
What do you think of it
but also harmful to the environment.
What are writer’s opinions about killing sharks
Why is it harmful to the environment
Many believe that sharks can never be endangered,is it true Why
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.
not only cruel
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.
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.
What is WWF (World Wildlife Fund)
WWF is one of the world’s largest and most respected independent conservation organizations. Its mission is to stop the degradation of the planet’s natural environment and to build a future in which humans live in harmony with nature.
1. What are the two environmental groups which are against “finning”
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.
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。
21世纪教育网
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
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.
1. 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
so although if but when
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.
Although
if
so although if but when
but
The shark is hunted for its fin.
The tiger is hunted for its bones and fur.
The elephant is hunted for its teeth.
The rhinoceros is hunted for its horn.
The bear is hunted for its paws.
3a Read the passage about the sharks and complete the fact sheet below.
Where shark fin soup is popular
Number of sharks caught and traded every year
It is popular in southern China.
The number is about 70 million.
3a Read the passage about the sharks and complete the fact sheet below.
How governments can help
Two environmental groups against “finning”
It is the WildAid and the WWF.
It is over 90 percent.
Match the words with the right meanings.
1. hear of
2. cut off
3. no longer
4. be harmful to
5. bring danger to
6. the number of
7. so far
不再
对……有害
给……带来危险
……的数量
到目前为止
割掉，砍掉
听说
Some people like to eat shark’s fin soup, especially in ________ China. But getting the shark’s fin is very _______. When people catch sharks, they ____ ____ their fins and throw the shark back into the ocean. The shark slowly dies because it can’t _____ without a fin. And it is also _______ to the environment. Sharks are at the ____ of the food chain. If the number of sharks _____ too low, it will break the balance of the nature. Please say no to eating shark fin soup, and take action to save the sharks!
southern
cruel
cut off
swim
harmful
top
drops
Retelling
Read the passage and check T or F.
1. The shark fin soup is famous in the whole China.
2. Sharks are at the top of the food chain in the Ocean’s ecosystem.
3. Sharks can never be endangered because they are strongest.
4. Around 70 million sharks are caught and traded every year.
5. Scientific studies show that sharks are good for health.
F
T
F
T
F
Translate the sentences into Chinese.
1. Many people do not realize they are killing
a whole shark when they enjoy a bowl of
shark fin soup.
2. Sharks are at the top of the food chain, so if
their numbers drop, the ocean’s ecosystem
will be in danger.
许多人意识不到当他们在享受一碗鱼翅羹的时候，他们正杀死一整只鲨鱼。
鲨鱼在食物链的顶端，如果它们的数量下降，海洋的生态系统就会处于危险中。
3. Many think that sharks are too strong to be endangered, but they are wrong.
4. Although there are no scientific studies to support this, a lot of people believe that shark fins be good for health.
许多人认为，鲨鱼太强悍了，是不会濒临灭绝的，但他们错了。
虽然没有任何科学研究支持这个，但很多人依旧相信鲨鱼鱼翅对健康有益。
5. Sharks may disappear one day if we do not do something to stop the sale of shark fins.
如果我们不做些什么事情来阻止鱼翅销售，有一天鲨鱼就可能消失了。
What should we do to protect the endangered animals
Free Talk
1. We can help endangered animals by protecting their habitats, creating new habitats.
2. Control export and import of endangered animals and plants.
3. Give publicity (公布；宣布) to the importance of protecting wild animals.
4. Set up the special government organizations to carry out the rules and laws.
5. Choose not to wear animals’ skin, not to buy ornaments or jewelry made out of animals and keep the world clean and green.
Love animals.
Love the environment.
Love the world.
What is WWF (World Wildlife Fund)
WWF is one of the world’s largest and most respected independent conservation organizations. It is an independent foundation registered under Swiss law, acting locally through a network of over 90 offices in over 40 countries around the world. Its mission is to stop the degradation of the planet’s natural environment and to build a future in which humans live in harmony with nature.
WWF creates solutions that will solve our planet’s big environmental challenges.
We shan’t save all we should like to, but we shall save a great deal more than if we had never tried.
Sir Peter Scott (1909-1989)
WWF founder
Many have heard of shark fin soup.
hear of 听说
We’re sorry to hear of your father’s death.
获悉令尊去世，我们感到非常难过。
Did you ever hear of a writer called Lu Xun
你听说过一个叫作鲁迅的作家吗？
Language Points
辨析： hear, hear of, hear about和hear from
(1) hear指亲耳“听见、听到”，常接名词、代词，接从句指间接“听说、听到”等；
(2) hear of指非亲耳所“听见”，常接名词、代词或动名词等，表示“听说……的消息或情况”时可与hear about通用；
(3) hear about指间接“听说、听到过某人或某事”;
(4) hear from通常跟表示人的名词或代词，是“收到……的信；收到……的电报；得到……的消息”。
We ______ carefully but we could ______
nothing.
A. heard; listen B. heard; listen to
C. listened; hear D. listened to; hear
C
I hope to get a letter from my parents because I miss them very much. (改为同义句)
I hope to __________ ________ my parents because I miss them very much.
hear from
There was something wrong with the line. We couldn’t ______ each other clearly.
A. listen B. sound
C. hear D. speak
一收到妈妈的来信，她就立刻启程回家。
She will set off for home at once as soon as she ______________ her mother. (hear)
C
hears from
2. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup
each time在这里的功能相当于从属连词， 引导时间状语从句，意思是“每当……时”。
The little boy shows me a smile each time he meets me.
那男孩每次遇见我时都会露出微笑。
每当你向某人微笑时，你就给了那人一份礼物。(each time)
Each time you smile at someone, you give a gift to that person.
3. When people catch sharks, they cut off
their fins.
cut off 切下，切断
He cut off the branches from the trunk.
他把树干上的小分枝都剪掉。
I’m sorry that your call was cut off just now.
抱歉！ 刚刚你的电话被切断了。
cut down 削减；删减；击倒
cut out 切断；删除；停止；裁剪
cut back 削减；急忙返回
cut up 切碎
cut in 切入；插嘴；超车
cut through 穿过；挤进
cut across 抄近路穿过；与……相抵触
cut into 插进来；参加（谈话）； 打断（别人的话）
Our country is taking action to ______ air pollution.
A. cut down B. cut up
C. cut out D. cut off
A
Trees used to be ______ for cooking by the villagers in the 1970s.
A. cut up B. cut down C. cut off
B
4. This is not only cruel, but also harmful to the environment.
(1) cruel adj. 残酷的；残忍的
The death of their daughter was a cruel blow.
女儿的死对他们是一个残酷的打击。
It was cruel of him to say that.
他说那话真是狠心。
It was cruel _______.
A. of Jim to shoot at the bird
B. for Jim to shoot at the bird
C. to shoot the bird of Jim
D. of Jim to shoot the bird
D
(2) be harmful to 对……有害
Too much sun is harmful to the skin.
晒太多太阳对皮肤是有害的。
It is harmful to your health to drink too much.
过量喝酒对你的身体有害。
— Dad, smoking is _______ to your
health. You should give it up early.
— You’re right.
A. harmless B. harmful
C. careless D. careful
B
(3) not only … but also …意为“不仅……而且……”，用于连接两个表示并列关系的成分，着重强调后者，其中的also有时可以省略。
He not only studies hard but also works well.
他不仅学习努力，而且认真工作。
Not only did he gave his word, but also
he kept it.
他不仅作出了许诺，而且履行了诺言。
说明：
若连接两个成分作主语，其谓语通常与靠近的主语保持一致。如：
Not only you but also he has to leave.
不只是你，他也得离开。
Not only you but also Mr. Zhang teaches in this college.
不仅你，张老师也在此学院教书。
若连接两个句子，not only后面的句子要用倒装。如：
Not only did he speak more correctly, but he spoke more easily.
他不仅说得更正确，而且讲得更容易了。
Not only had the poor man been fined, but also he had been sent to prison.
这个可怜的人不仅被罚款，而且还被送进了监狱。
1. Not only ______ run his machine, but _______ repair
it.
A. can he; he can B. he can; can he
C. can he can he
1. Not only ______ run his machine, but _______ repair
it.
A. can he; he can B. he can; can he
C. can he can he
Not only he but also his friends _______ eager to help those who have lost their homes in the earthquake.
A. is B. are
C. was D. were
Not only _______ run the machine, but also _______ repair it.
A. he can, can he B. can he, can he
C. can he, he can D. he can, he can
B
C
5. A shark can no longer swim and slowly dies.
no longer 不再
I’m no longer a student.
我不再是个学生了。
He no longer lives here.
他不在这儿居住了。
同义词： no more 不再
1) no longer = not … any longer：“不再”。强调时间和动作不再持续，常与状态动词和延续性动词连用。
2) no more = not … any more“不再”强调数量、次数上不再增加和强调动作终止的结果，因此，常与名词、瞬间动词连用。
3) no longer与no more 通常放在“情态动词、 助动词、连系动词”之后，行为动词之前。
词组辨析
He has decided to live abroad, so he will ________ stay here.
not more
B. not longer
C. no longer
D. no more
【解析】本题强调的是时间和动作上不再待在这里了，只有no longer 符合。所以选择C选项。
C
6. The numbers of some kinds of sharks have fallen by over 90 percent …
fall by 下降了……
Production costs fell by about one-third.
生产成本大约下降三分之一。
fall to 下降到……
Temperatures will fall to a minimum of 10 degrees.
气温会降到最低点10度。
7. The ocean’s ecosystem will be in danger.
One of their men was in danger.
他们当中有一人情况危险。
in danger of 有……的危险
in danger 处于危险中
The sick man is in danger of death.
这位病人有死亡的危险。
相关短语
in safety 处于安全中；安全地
in health 身体健康
in peace 平安地，安静地
in trouble 处于不幸中
in reality 实际上，事实上
8. Many thinks that sharks were too strong
to be endangered.
too … to …是“too＋形容词／副词＋动词不定式”的结构， 意思是“太……而不能……，太……无法……”。
The boy is too young to go to school.
这男孩年龄太小，不能上学。
He walks too slowly to get there on time.
他走得太慢，不能按时到达那儿。
The boy was too busy ______ his father last term.
A. to hear from
B. to write to
C. hearing from
D. write to
The water was so dirty that we couldn't drink it． (改为同义句)
The water was ______ dirty for us ______ drink．
B
too
to
1. Carl is planning to travel by ship because he
wants to see the _______ (鲨鱼) in the sea.
2. The tourist business is one of the major
_________ (行业) in our country.
3. It’s _______ (有害的) to throw the old battery
into the water.
4. Many countries have made _____(法律)
to keep the animals.
5. Rockets often carry __________ (科学的)
instruments.
sharks
industries
harmful
laws
scientific
根据所给的汉语意思完成句子。
