人教版九年级下册 Unit13 We're trying to save the earth! SectionA 3a-3b 课件（28张PPT）

(共28张PPT)
Unit 13
We are trying to save the earth.
To learn to use some words and expressions
To understand the passage about endangered animals -- sharks.
To develop a sense of protecting the animals and the environment.
Words:
shark; fin; cruel; harmful;
the food chain; ecosystem; industry; law; scientific
Phrases:
hear of; cut off, no longer;
be harmful to; at the top of
A polluted earth
We are harming our earth in so many ways.
伤害
air pollution
tail gas
noise pollution
water pollution
We can see pollution everywhere, so the environment is becoming worse.
However, do you know there are animals that are endangered？
are in great danger
endangered
animals
sharks
fins
cut off
cruel
throw back into
die slowly
the food chain
at the top of
be hamful to
Read the passage about sharks
and complete the fact sheet below.
3a
Save the sharks!
Read the title, the first and last sentences in each paragraph and match the main ideas.
Talk about shark fin soup.
Sharks are endangered now.
Two groups against “finning”.
Para. 3
Para. 1
Para. 2
1
While you read
2
Read the passage quickly and judge the sentences T or F.
①Shark fin（鱼鳍）soup is famous and expensive around the world.
② Sharks are at the bottom of the food chain.
WildAid and the WWF are the two groups in China.
4. Sharks fins are good for health.
F
F
F
F
While you read
3
Read Paragraph 1 and answer the questions.
① Where is shark fin（鱼鳍）soup popular
② What are you doing ,when you enjoy a bowl of shark fin soup
In southern China
You're killing a whole shake .
While you read
Read Paragraph 2 and answer the questions.
① What do people do, when they catch sharks
② How many sharks are caught and traded every year
They cut off their fins and throw the sharks back into the ocean.
Around 70 million.
Read Paragraph 3 and answer the questions.
1. How can the governments do to save sharks
2. What are the two environmental groups against “ finning”(猎翅）
Develop laws to stop the sale of shark fins.
.
WildAid and WWF.
Where shark fin soup is popular
Number of sharks caught and traded every year
how governments can help
Two environmental groups against "finning"
in southern China
Around 70 million
develop laws
WildAid and the WWF
3a
Do a survey
1. Have you ever heard of shark fin soup
2. Have you ever eaten shark fin soup
3. Do you think shark fin soup is good for health
4. Will you eat shark fin soup after this class
1. Many people do not realize they are killing a
whole shark _____they enjoy a bowl of shark’s
fin soup.
2. Sharks are at the top of the food chain, ______
if their numbersdrop, the ocean’s ecosystem
will be in danger.
Read the passage again and fill in the blanks with the words in the box.
so
when
3b
so although if but when 连词
Many think that sharks are too strong to be
endangered, _________ they are wrong.
_________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
4
After you read
Retell the passage
Para1: heard of ; famous ,expensive,
popular in....;enjoy.... kill.....
Para2: catch;cut off...throw...back into...
not only... but also....
without.... no longer...
at the top of...
bring danger to...
Para3: two groups.... ask...to...
Help save the sharks!
Help save the sharks, help save the earth !
the
If you were sharks, or other endangered animals, what would you want to say to humans(人类）
Discuss in your group.