(共45张PPT)
Unit 13 We're trying to save the earth.
SectionA 3a-3b
Whale
1. What is the biggest animal in the ocean
Guess
Shark
2.What is the fiercest animal in the ocean
(凶猛的)
Can you say something about sharks
Free talk
Sharks are the strongest and the most dangerous animal in the ocean.
large
strong
dangerous
scary
live in the ocean
cruel
预习展示
1.鲨鱼
2.（鱼）鳍
3. 链子，链条 食物链
4.生态系统
5. 工业，行业
6.法律，法规
7.残酷的，残忍的
8.运输业，交通运输
9. 有害的 对……有害
10.科学上的，科学的
shark
fin
chain
the food chain
ecosystem
industry
law
transportation
cruel
harmful
be harmful to
scientific
预习展示
Read the words aloud if you can.
['i:k s st m]
[' nd stri]
[ sa n't f k]
[ tr nsp :'te n]
1.Who wants to be a teacher？
Please teach the other students.
2.Help your partner read these words.
2. Translate the phrases
1). 对…有害__________
2). 在…顶部或顶端_____________
3). 食物链__________
4). 听说____________
5). 切除__________
6). … 的数量______________
be harmful to
at the top of …
the food chain
hear of
cut off
the number of…
fin
鱼鳍
shark fin soup
鱼翅汤
What do you think of finning
It’s cruel.
It’s not only cruel, but also harmful to the environment.
切鱼鳍
=
a bowl of shark fin soup
the life of a whole shark
=
Save the Sharks!
互动交流
Save the sharks !
What’s the main idea of the article
A. Some kinds of fish in the ocean
B.The sharks are endangered in the world.
C .The shark fin soup is famous and expensive
A.in great danger B. dangerous
Prediction
Find out the main idea of each paragraph.
Shark fin soup is popular .
Sharks are endangered.
We should save the sharks.
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Para 1
Para 2
Para 3
Textbook on Page 99
Read and match.
Para 1
1.What is shark's fin soup made of
It is made of shark fins.
2.what does the writer think of this dish
famous
expensive
popular
3.Where is shark fin soup popular
It is especially popular in southern China.
Para1.
.
Read and judge the sentences.
( )The expensive shark fin soup is popular around the world.
( ) You’re killing a whole shark when you enjoy a bowl of shark fin soup.
1800.00 RMB
each bowl
in southern China
F
T
Para. 2 Sharks are endangered now.
Why
What happens to the shark
Groupwork:4-6人读第二段，并翻译。小组展示，一人翻译1-2句。
1、What do people do with sharks
2、Why does the writer say it is harmful to the environment.
3、What’s the situation of sharks now
First, people _________ them !
Next , people_____ _____ their fins .
Finally , people them ____ _____ the ocean.
Without a fin,a shark can ________swim and slowly die.
catch
cut off
throw back into
no longer
Para. 2 Sharks are endangered.
Pairwork(互学) A：What happens to the shark
B : First-Second-Finally···
This is not only cruel, but also harmful to the environment!
2.If a shark doesn’t have a fin, what will happen
A shark can no longer swim and slowly dies.
3.Why does the writer say it is harmful to the environment.
Sharks are at the top of food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life.
food chain
食物链
Q3:What’s the situation of sharks now
They’re endangered./
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.
in danger.
Para. 3 read and fill the chart
Environmental protection groups 1.They are ______________ about finning.
2. They have asked the governments to _________
to stop the sale of shark fins.
WildAid
the WWF
teaching the public
develop laws
So why eat them
Help save the sharks!
Is shark fin soup good for health
What should we do to save the wild life
Discussion:
Don’t wear them.
Don’t kill them.
No trade No murder
总结检测
1.听说
2. 在中国南部
3. 一碗鱼翅汤
4.割下
5.把……扔回到……里
6.不但……而且……
7.在食物链顶部（端）
8. 带给……危险
9. 环保组织
10. 对……有害
11.立法
12.阻止鱼翅买卖
Read the passage and find out the phrases .
hear of
in southern China
a bowl of shark fin soup
cut off
not only … but also…
develop laws
at the top of the food chains
bring danger to
environmental protection groups
be harmful to…
stop the sale of shark fins
throw ... back into
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.
so
when
3b
so although if but when
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
Fill in the blanks with the words in the box.
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Summary
Problem
Facts
Solution
We can save the animals before it’s too late.
No sale,no killing.
Let’s make the world a better place.
Save the
中考链接
1、a number of the number of
相同点： 后都加 名词复数
不同点：a number of +名复， 意为许多；做主语是复数。
the number of +名复，意为......的数量，做主语是单数。
The number of our_________ (teacher)____ (be) 150.A large number of _____(them\it)____(be)very excellent.
teachers is
them are
2、no longer / not....any longer 意为不再
no longer通常位于实义动词之前，be动词、助动词或情态动词之后 。not ... any longer中的any longer总是放在句末。no longer与not ... any longer可以互换
She ______ ________likes dancing.（同义句）
She __________like dancing _____ ______.
她不再喜欢跳舞了。
no longer
doesn't any more
Homework
1. Make a poster to call on people to protect wild animals.
2. If you have time, watch a movie—Sharkwater.
3a
Read the passage about sharks and complete the fact sheet below.
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
Save the sharks!
`
... cut off ... eat shark fin soup.
... no longer swim and slowly dies.
at the top of ... in the ...ecosystem
If sharks’ numbers..,
...bring danger to ...
Retell 1
throw...back...
1
2
3
5
7
4
8
9
Smashing golden eggs
以团队为单位来砸金蛋。每个团队派一名同学。
6
单选题：
1.Sharks may disappear one day _ _____ we do not do something to stop the sale of shark fins.
A. so B. if C. but D. when
2 points
用be动词填空：
1.Not only Lily but also I ______a student.
2.Neither I nor Lily ______ a teacher.
We’re students.
am
is
5 points
幸运之神降临!
Congratulations!
4 points
幸运之神降临!
Congratulations!
5 points
翻译：
1. 鲨鱼在食物链的顶端。
Sharks are at the top of the
food chain.
4 points
Q: What do people do to sharks
3 points
People catch sharks, cut off their fins and throw the shark back into the ocean.
5 points
翻译：
1. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
在最近的20到30 年中，一些种类鲨鱼的数目已经下降到90﹪多。
Q: Why does the writer say it is harmful to the environment？
3 points
Sharks are at the top of food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life.
9 points
Match good friends
Match the word groups and phrases with their meanings.
hear of
cut off
no longer
not only…but also
be harmful to
bring danger to
the number of…
at the top of…
throw back into
不再
割下；切除
在…的顶部
对…有害
给…带来危险
…的数量
听说
不仅…而且…
扔回进
There are some other endangered animals in the world. We should do something to protect the animals and the environment!
Summary
No Sale, No Killing!
(没有买卖，就没有杀戮！）
1.听说
2.切除
3.对……有害 4.食物链
5.在……顶部 6.海洋生态系统
7.下降了
8.环境保护组织
hear of
cut off
food chain
be harmful to
at the top of
the ocean’s ecosystem
fall by
Environmental protection groups
Translate and write them down.
1.这不仅残酷还对环境有害。
2.鲨鱼处于海洋食物链的顶部。
This is not only cruel, but also harmful
to the environment.
Sharks are at the top of the food chain
in the ocean’s ecosystem.
