Unit 13 We're trying to save the earth!Section A (3a-3b)课件(共21张PPT) 2024-2025学年人教版英语九年级全册

(共21张PPT)
We're trying to save the earth!
section A 3a-3b
Do you know these animals
panda
熊猫
Chinese Tiger
华南虎(中国虎)
Golden Monkey
金丝猴
They were all born in China.
And they are all endangered animals.
Do you think sharks are endangered
We should save the sharks.
Learning aims
To learn some new words :
shark,fin,cruel,harmful,chain,ecosystem,industry,law,scientific
phrases:be harmful to, at the top of,the food chain
To understand the passage about the endangered animals – sharks.
Para. 1
Para.2
Para.3
How to save the sharks
Sharks are endangered now.
Talk about shark fin soup.
Listen and match the main ideas.
Do you know anything about shark fin soup
Para.1
听说
Do you know where shark fin soup is popular
When people catch sharks,they cut off their fins and throw the sharks back into the ocean. This is not only cruel,but also harmful to the environment.
Para.2
Without a fin,a shark can no longer swim and slowly dies. Sharks are 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.Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact,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.
Para.2
Without a fin,what happens to a shark
Why do many believe that sharks can never be endangered
How many sharks were caught and traded every year
1
2
3
Para.2
When people catch sharks,they cut off their fins and throw the sharks back into the ocean. This is not only cruel,but also harmful to the environment. Without a fin,a shark can no longer swim and slowly dies. Sharks are 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.Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact,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 30years.
鲨鱼
Sharks are at the top of the food chain in the ocean's ecosystem.
When people catch sharks,they cut off their fins and throw the sharks back into the ocean. This is not only cruel,but also harmful to the environment. Without a fin,a shark can no longer swim and slowly dies. Sharks are 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.Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact,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 30years.
Environmental protection groups around the world, such as WildAid and the WWF,are teaching the public about "finning". They have even asked governments to develop laws to stop the sale of sharks fins. So far,no scientific studies have shown that sharks fins are good for health, so why eat them Help save the sharks!
世界自然基金会
让政府立法
Two environmental groups against "finning"
How governments can help
WildAid and WWF
Develop laws to stop the sale of
shark fins
The ways to protect sharks
Para.3
Please use the mind map to retell the passage
Not only are sharks endangered,there are also many other animals in danger.
Not only sharks are endangered,there are also many other animals in danger.
Some animals are endangered.What can we do to protect them
List the ways to protect endangered animals
homework
3b
Read the passage again and fill in the blanks with the words in the box.
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.
3. Many think that sharks are too strong to be endangered, _____ they are wrong.
so
although
if
but
when
4. _________ there are no scientific studies to support this, a lot of people believe that shark fins are good for
health.
adj. 科学上的，科学的
so
although
if
but
when
5. Sharks may disappear one day ___ we do not do something to stop the sale of shark fins.