Section A 3a-4c课件+嵌入视频Unit 13 We're trying to save the earth!（人教版九年级全册）

(共11张PPT)
Joe: _______ you ever ________ (take) part in an
environmental project
Eric: Yes, I have. I ______ (help) with a Clean-Up Day
last year. It was __________ (consider) the
biggest clean-up project this city ____ ever ____
(have).
Have
taken
helped
considered
had
had
Joe: How many people ________ (take) part
Eric: I _______ (think) more than 1,000 people ______
(come) to help out.
Joe: That’s fantastic! I guess everyone in this city is
______ (try) to improve the environment.
Eric: Yes, we can’t afford to ____ (wait) any longer to
take action!
took
think
came
trying
wait
4a
Unit 13
We're trying to save the earth!
3a
Language goal: talk about pollution and environmental protection
Have you ever seen a shark
Do you think sharks are very dangerous
What's the purpose of writing this passage
A. to introduce shark fin soup
B. to explain the situation of sharks
C. to ask people to save the sharks
3a
Read the passage, then tell T or F.
1. People cut off sharks’ fins and throw
the sharks back into the ocean.
2. So far, around 70 million sharks are caught
and traded.
T
F
Save the Sharks!
3. WildAid and the WWF are environmental
protection groups in China.
4. Shark fins are good for health.
F
F
every year
no scientific studies have shown it.
around the world
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 “finning”
southern China
70 million
over 90 percent
WildAid and the WWF
Read the passage and complete the fact sheet below.
3a
But do you realize that you are killing a whole shark each time you enjoy a bowl of shark fin soup
Para. 1
This is not only cruel, but harmful to the environment.
Many believe that sharks can never be endangered because they are the stongest in their food chain.
The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
Para. 2
Para. 3
They have even asked governments to develop laws to stop the sale of shark fins.
shark fin soup
in southern China
each time
cut off their fins
no longer
at the top of the food chain
drop too low
bring danger to all ocean life
be endangered
in the last 20 to 30 years
develop laws
scientific studies
be good for health
1.鱼翅汤
2.在中国南方
3.每一次
4.切掉他们的鱼鳍
5.不再
6.处于食物链的顶端
7.降得过低
8.给所有的海洋生物带来危险
9.濒临灭绝
10.在过去20到30年里
11.制定法律
12.科学研究
13.对身体有益
Para. 1
Para. 2
Para. 3
Shark fin soup is popular.
Sharks are endangered.
Help save the shark.
in southern China
killing a whole shark.
cut off their fins
no longer swim and slowly dies
are caught and traded
environmental protection groups
Read the passage again and 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.
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.
when
so
but
3b
Although
if
4b
People __________ think that big things _________
be done to save the earth. Many forget that saving the earth begins with small things. For example, you _______ save electricity by turning off the lights when you leave a room. You ________ also use reusable bags instead of plastic bags. I think it’s a great idea that you now ______ pay for plastic bags in some stores. And instead of driving to school or work, you __________ ride your bike or walk. If it’s far, you __________ take the bus. All these small things _________ add up and become big things that _________ improve the environment. Let’s take action now!
may/might
must/should
can/could
could/can
have to
can/should
can/could
can/could
would/can