人教版九年级下册 Unit13 We're trying to save the earth! SectionA 3a-3b 课件（20张PPT）

(共20张PPT)
Unit 13 We are trying to save the earth.
(Section A 3a)
What animals are endangered
sable
snow leopard
black yak
Tibetan antelope
warming up and lead-in
What’s this
what do you know about them
Sharks are at the top of the food chain
in the ocean’s ecosystem.
A food chain
sharks
What happens to sharks
Are they endangered？
Save the sharks !
Learning objects学习目标
1. learn some new words and language points.
2. improve reading ability (能力) by using different reading strategies(策略)
3. master（掌握） the main idea of the passage.
Save the sharks !
Read and Match
Para1. endangered sharks
Para2. shark fin soup
Para3. Help save the sharks!
Skimming 扫读，略读
Reading Tip
Find out the key words (关键词）in each paragraph.
Where shark fin soup is popular
Number of sharks caught
and traded every year
How much the numbers of
some kinds of sharks have
fallen in the last 20 to 30
years
Two environmental groups
which are against（反对)“finning”
in southern China
around 70 million
over 90 percent
WildAid and the WWF
3a
Read the passage about sharks and complete the fact sheet below.
Scanning 寻读
in the south of China
1.Are we killing a whole shark when we enjoy a bowl of shark fin soup Why or why not
2. Is killing sharks harmful to the ocean ecosysterm Why or why not
3.What have the two environmental protection groups done to fight against(反对）finning
4. Is shark fin soup good for health
5.What do you think might cause a fall in the number of sharks
careful reading
Read the passage again and answer the questions.
1.Are we killing a whole shark when we enjoy a bowl of shark fin soup Why or why not
2. Is killing sharks harmful to the ocean ecosysterm why or why not
careful reading
Yes, we are.Because a shark can no longer and sloely dies.
Yes, it is. Because sharks are at the top of the food chain in the ocean ecosystym. If their numbers drop too low, it will bring danger to all ocean life.
3.What have the two environmental protection groups done to fight against(反对）finning
4. Is shark fin soup good for health
No,it isn't.there are no scientific studies to support this.
1.They have taught the public about finning.
2.They have asked governments to develop laws to stop the sales of shark fins.
3.What have people done to fight against(反对）finning
4. Is shark fin soup good for health
No, there are no scientific studies to support this.
5.What do you think might cause a fall in the number of sharks
I think on the one hand, people kill the sharks. On the other hand, the environment is polluted.
3b
Fill in the blanks with the words in the box.
so although if but when
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.
when
so
exercise
3. 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
Save the sharks !
reading aloud
Let's do this to review the text !!!
Some people like to eat shark fin soup, especially _______________ . But getting the s hark's fin is very _____. When people catch sharks, they ________________ and _________ ___________________.The shark __________ because it can't _____ without the fin. And it is also _____________________. Sharks are ____ ____________________. If the _______of sharks drops too low, it will __________________ .Please say no to eating _______________,and take action to save the sharks.
in southern China
cruel
cut off their fins throw the sharks into the ocean will slowly dies
swim
harmful to environment at the
top of the food chain number
bring danger to all ocean's life.
the shark fin soup
What can we do to save the sharks
Discussing in group
For ourselves, we are supposed to... /we are not supposed to………….
For the public, they should.../shouldn't…
For the government,it should…
enjoying the pictures
Protecting animals is protecting ourselves. We live in the same world.Let's take action to help save the animals. I hope our actions can make a difference and lead to a better future.
Thanks