(共16张PPT)
Unit 13
We're trying to save the earth!
Section A 2d-4c
The interviewer is talking to Jason and Susan about environmental problems. They talk about two kinds of problems. One is that the ______is badly ________. They used to see the stars________, but now they hardly ever see blue ________anymore. What do they think has caused this problem They think there are more _______on the roads these days. Besides, the factories that burn_______ pollute the air with a lot of black________. The other problem is waste__________. People are __________away things like wooden chopsticks, plastic bowls and plastic bags. What’s worse, they are ___________in public places like parks. As a result, the beautiful places are _________into ugly ones.
So they will talk about the things they can do to help.
air
polluted
clearly
skies
cars
coal
smoke
pollution
throwing
littering
turned
Air pollution:
1. We should take _______ or _______ instead of driving.
2. We should also _______ ______ _____. It’s good for health!
Waste pollution:
3. Bring ___________ to go shopping.
4. Never take _________________ or __________ when buying takeaway food.
5. ______________ in the bins and keep public places clean and beautiful.
What should we do
the bus
subway
ride
a
bike
a bag
wooden chopsticks
plastic forks
Throw rubbish
Read the dialogue in 2d, then tell us what we can do to reduce the pollution.
What are they Where are they from
Shark fin
Shark fin soup
They are from sharks.
Do you know how to get the shark fin
Do you still want to try the shark fin soup No trading, no killing.
3a Listen and answer the questions:
1.Where is the shark fin soup especially popular
2.What do people do with sharks after they cut off their fins
3.If the numbers of sharks drop too low, what will happen Why
4. How many environmental protection groups are mentioned in this passage What are they
It is especially popular in southern China.
They throw them back into the ocean.
It will bring danger to all ocean life. Because sharks are at the top of the food chain in the ocean’s ecosystem.
Two. They are WildAid and WWF.
Read the title, the first and last sentences in each paragraphs and match the main ideas.
Talk about shark fin soup.
Sharks are endangered now.
Appeal to people against eating shark fins.
Para. 3
Para. 1
Para. 2
①Shark’s fin（鱼鳍）soup is famous and expensive all around the world.
②You’re killing a whole shark when you enjoy a bowl of shark fin soup.
F
T
Read Paragraph 1 and write T or F.
Read Paragraph 2 and fill in the chart.
people enjoy _____________________
fishermen ___________, ___________, then _______________________
________________________________decreased quickly
a bowl of shark fin soup
catch sharks
cut off their fins
throw them into the ocean
The numbers of some kinds of sharks
WildAid and the WWF are environmental protection groups
in China.
2. Two environmental groups appeal to establish laws to stop the sale of shark fins.
3. Shark’s fins are good for health.
F
T
F
around the world
So far, no scientific studies have shown that shark fins are good for health.
Read Paragraph 3 and write T or F.
Read the passage about sharks and complete the fact sheet below. (P99)
3a
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 against “finning”
southern China
70 million
over 90 percent
WildAid & the WWF
1. 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
Although
if
Read the passage again and fill in the blanks with the words in the box. (P99)
3b
After you read
Retell the passage according to the words below.
A whole shark has been killed each time you enjoy a bowl of shark fin soup. When people catch sharks, they ______ their fins and throw the shark back into the ocean. Without a fin, a shark can __________ swim and slowly dies. If sharks’ numbers drop too low, it will ______________ all ocean life. ______________ some kinds of sharks have fallen ____ over 90 percent in the last 20 to 30 years.
cut off
no longer
bring danger to
The numbers of
by
Have
taken
helped
considered
had
had
took
think
came
trying
wait
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
have to
could
can
can
would
Fill in the blanks with the appropriate modal verbs from the box.(P99)
4b
