Unit13 We're trying to save the earth SectionA 3a课件 (共17张PPT) 人教版九年级英语全册

(共17张PPT)
U13 3a Save the Sharks!
人教版 九年级英语
Save the Sharks!
What do you think of the sharks
dangerous
powerful
man-eating
strong
What’s the passage mainly about
A Sharks are endangered.
B Sharks are safe.
Tips:
The picture and title will help you
to get the main idea of the
passage.
The reason for killing
The result of killing
The actions against killing
Match the main ideas with each paragraph.
reason
result
actions
Careful reading Para1g
What...made of
Why... enjoy it
be good for health,
a symbol of status(身份)
Why are the sharks killed
shark fins
It even harms to people's health.
Careful reading Para2g
Why
How do people get shark fins
catch, cut off , throw ...back into
What will happen if sharks
don't have their fins
no longer swim ,
slowly dies.
What do you think of the process(过程)
For the sharks
cruel 残酷的
For the environment
Why
harmful 有害的
Why is it harmful to the environment
Sharks are _____________the food chain in the ocean's ecosystem.
If their _________ drop too low, it will_____________all ocean life.
at the top of
numbers
bring danger to
They have lived in the ocean for over 400 million years, even older than the dinosaurs.
Why will the decrease(减少) of sharks bring danger to all ocean life
70% of the oxygen(氧气) that we need to survive is provided by plankton(浮游生物) in the ocean. Once sharks become extinct(灭绝), other Marine life(海洋生物) without natural enemies will kill Marine plankton in large numbers, causing the earth to lose oxygen.
It will break the ecological balance(生态平衡）
Careful reading Para2g
The present situation(现状) of the sharks
70
90
20
30
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.
Sharks are endangered!
at the top of the food chain
catch ....cut off...
throw ...back into
enjoy
no longer swim,
slowly dies
cruel
around 70 million...
are caught and traded
bring danger to....
The number of sharks have
fallen....over 90%
Sharks are endangered!
groups
government
people
Careful reading Para3g
The actions aganist killing
1.Never eat shark fin soup
2.Call on (号召) the people to protect the sharks.
3.Volunteer in the protection groups
4.Punish(惩罚) the people who kill the sharks...
g
Please return my ivory/horn(角)/home to me
Work in groups of elephants, polar bears and deer to tell people your situation from problems, reasons, influences and actions,your group will be invited to show in class. Some reference papers will be offered.
rules:
1.Great Teamwork(2’)
2.Good reasons(2’)
3.Good influences(2’)
4.Good actions(2’)
5.Good expressions(2’)
We need to work together to foster a community
of life for man and nature(构建人与自然共同体).
---Xi Jinping
Homework
For all, after hearing the animals monologue(独白), write back a letter to the the endangered animal.
For optional, write your ideas on how to save the earth.
Thanks
Thanks