Unit 8 We’re trying to save the earth!Section A 3a-b课件22张

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Unit8 We’re trying to save the earth.
Section A（3a-3b）
1. Where do sharks live? __________________________________
2. Are they very big? ___________________________________
3. Is the number of sharks decreasing(减少)? ___________________________________
What do you know about sharks?
In the ocean

Yes, it is.
Yes, they are.




chain [t?e?n]
n. 链子
the food chain
食物链
ecosystem
[?i:k??s?st?m]
n. 生态系统
the ocean ecosystem
海洋生态系统
shark [?ɑ:k] n. 鲨鱼
fin [f?n] n. 鱼鳍
cruel [kru:?l] adj. 残酷的，残忍的
harmful [?hɑ:mfl] adj. 对…有害的
be harmful to 对…有害
at the top of 在…顶部
chain [t?e?n] n. 链子
the food chain 食物链
ecosystem [?i:k??s?st?m] n. 生态系统
industry [??nd?stri] n. 工业\行业
law [l?:] n. 法律
scientific [?sa??n?t?f?k] adj. 科学的
New
words
sentences
1.这种方法不仅残酷，而且对环境有害。


2.没有了鱼鳍，鲨鱼就不能游泳并慢慢死亡。


3.他们已经请求政府立法去阻止鱼翅的买卖。

This is not only cruel , but also harmful to the
environment.
Without a fin, a shark can no longer swim and slowly dies.


They have even asked governments to develop laws to stop
the sale of shark fins.
industry 工业、行业
Do you know sharks are endangered?

濒危的
1. You’re killing a whole shark when you enjoy a bowl of shark fin soup.

2. Good things happen when people cut off sharks’ fins.
3. Environmental protection groups have done things to protect sharks.

T
F
Fast reading: (True or False)
T
Bad

环境保护组织
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
How government can help
Two environmental groups against “finning”
in southern China



Careful reading: (3a)
Where shark fin soup is popular
Number of sharks caught and traded every year
How government can help
Two environmental groups against “finning”
in southern China
around 70 million
Careful reading: (3a)


…的数量


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
How government can help
Two environmental groups against “finning”
in southern China
around 70 million
Develop laws to stop the sale of shark fins
Careful reading: (3a)


WildAid and the WWF



反对“猎鳍”

1.This is not only cruel, but also harmful to the environment.
这种方法不仅残酷，而且对环境有害。
not only… but also…表示“___________”, 用于连接两个性质相同的词或短语。
_______ the students _______ their teacher is enjoying the film.

2.Without a fin, a shark can no longer swim and slowly dies.
no longer意思是“_________ ”
no longer =not ...any longer
I’m not a student any longer=I'm_____ _______ a student.我不再是个学生了。

不仅…而且
Not only
but also
如今不再
no longer
知识链接
Some people like to eat shark _______ soup,But getting the shark fin is very _______.
Peolpe _______ the shark fins and throw the sharks back into the ocean. The sharks slowly die because they can’t _______ without fins.
And it is also _______ to the environment. Because sharks are at the _______ of the food chain.
Please say no to eating shark fin soup, and take action to _______ the sharks!
fin
cut off
After reading(group work)
swim
harmful
top
save
cruel
cut off fin cruel harmful swim save top
After reading(group work)
fin , cruel
cut off , swim
Harmful, top
save
Key words

( )1. —Excuse me, is this Mr. Green’s office?
—Sorry, but he ________ works here.
A. no more B. any longer C. no longer D. doesn’t
not only
but also
but
so
C
1.The dress was very expensive, _____ I didn’t buy it.
2.I’d love to, _____ I’m afraid I have no time.
3. Jane likes ____ ____ music ____ ____ movies.
so not only...but also but
Summary
shark, fin , cruel , be harmful to , at the top of , law, the food chain , ecosystem , industry , scientific



1.This is not only cruel , but also harmful to the
environment.
2.Without a fin, a shark can no longer swim and slowly dies.









words
sentences
Homework
1.完成3b
2.Tell your parents the present situation of sharks. Ask them not to have shark fin soup and play a part in saving the sharks and other endangered animals.