(共17张PPT)
Unit13
Save the Sharks!
shark teeth
tail
fin
gills
A Shark!
dangerous
deadly
cruel
ocean food chain
ocean's ecosystem
Sharks are at the top of the food chain in the ocean's ecosystem.
Predict
1
2
3
Maybe what can we learn from the passage
Two groups against “finning”.
Something about shark fin soup.
Sharks are endangered now.
Para 1. shark fin soup
famous
expensive
popular
especially in southern China
Fact
They're killing a whole shark each time they enjoy a bowl of shark fin soup.
Para 1. shark fin soup
鲨鱼属软骨鱼类，鳍骨形似粉丝。
鱼翅之所以能食用，是因为鲨鱼的鳍含有一种形如粉丝状的翅筋，其中含80%左右的蛋白质，还含有脂肪、糖类及其他矿物质，但很难吸收，因此吃个鸡蛋吸收的营养都比鱼翅多。因为暴利驱使，人们大量捕杀鲨鱼为了得到珍贵的烹调原料。
Para 2. sharks - endangered
When people catch sharks, they ...
cut off
throw ... back
This is not only ..., but also ...
Without a fin, a shark ...
can no longer swim
slowly dies
bring danger to
(find the verbs)
cruel
harmful
Sharks can never be endangered.
Many people believe that sharks can never be endangered because
they are the strongest in their food chain.
Para 2. sharks - endangered
Para 2. sharks - endangered
But in fact,
70 million sharks
90 percent
20 to 30 years
be caught and traded every year
The number of some kinds of sharks have fallen
Para 2. sharks - endangered
How does the writer show us that the
sharks are endangered now
A. By setting an example.
B. By giving some reasons.
C. By listing some numbers.
D. By telling a story.
What if there are no sharks anymore
Para 3. two groups against finning
World Wildlife Fund
What are they doing to save the animals Or what have they done
Para 3. two groups against finning
No scientists have shown that shark fins are good for health, so why eat them Help save the sharks!
1. What is the purpose of the passage
A. Introduce the famous and expensive dish shark fin soup.
B. Tell us a fact: sharks are endangered. The number
of sharks have fallen quickly.
C. Appeal（呼吁）to people to save the sharks.
2. What do the words“they”refer to？
(1) When people catch sharks, they cut off their fins and throw the sharks back into the ocean.
(2) Many believe that sharks can never be endangered because they are strongest in their food chain.
(3) They have even asked goverments to develop laws to stop the sale of shark fins.
1. 听说
2. 在中国南方
3. 享用一碗鱼翅汤
4. 切掉，砍掉
5. 把... 扔回
6. 不但... 而且 ...
7. 对... 残忍
8. 对环境有害
9. 不再
10. 在食物链顶端
11. 在海洋生态系统中
12. 给所有的海洋生物带来危险
13. 事实上
14. ...的数量
15. 下降超90%
16. 制定法律
hear of
in southern China
enjoy a bowl of shark fin soup
cut off
throw ... back into ...
not only ..., but also ...
be cruel to ...
be harmful to the environment
no longer
at the top of the food chain
in the ocean's ecosystem
bring danger to all ocean life
in fact
the number of
fall by over 90%
develop laws
