(共20张PPT)
1. 乱扔 v.
2. 优点 n.
3. 塑料的 adj.
4. 外卖食物 n.
5. 残酷的 adj.
6. 有害的 adj.
7. 工业 n.
8. 生态系统 n.
9. 链子 n.
10. 鱼鳍 n.
litter
advantage
plastic
takeaway
cruel
harmful
industry
ecosystem
chain
fin
Lead-in
endangered
Read the article and match the main ideas with each paragraph.
We should help save the sharks.
An introduction of shark fin soup.
Sharks are endangered because of people’s killing.
Para. 1
Para. 2
Para. 3
Research
Shark Fin Soup
famous
expensive
Where is shark fin soup popular in China
Can you find three words to describe this dish in paragraph 1
popular
Para. 1
Do you know how people make shark fin soup
When people catch sharks, they cut off their fins and throw the shark back into the ocean.
Para. 2
What will happen if sharks’ numbers drop too low
If their numbers drop too low, it will bring danger to all ocean life.
Why do many people believe that sharks can never be endangered
Because they think sharks are the strongest in their food chain.
Para. 2
No scientific studies have shown that shark fins are good for health.
×
Are shark fins good for our health
They are two environmental protection groups.
What are WildAid and WWF
Para. 3
Where shark fin soup is popular
Number of sharks caught and traded every year
How governments can help
Two environmental groups against “finning”
Especially in southern China
Around 70 million
Develop laws
WildAid and the WWF
Complete the fact sheet below.
Interaction
Read the article carefully and try to find the following phrases.
know sth. from hearing
remove sth. from the body
be bad for …
a group of animals which shows each member is eaten in turn by another one
during 1985~2016
make some rules that people must obey
until now
hear of
cut off
be harmful to …
food chain
in the last 20 to 30 years
develop laws
so far
3b
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
Although
if
Some people like to eat shark fin soup, especially in _______ China. But getting the shark fin is very _____. When people catch sharks, they _____ _____ their fins and throw the sharks back into the ocean. The sharks slowly die because they can’t swim without _____. And it is also _______ to the environment. Sharks are at the top of the _____ _____. If the number of sharks drops too low, it will break the balance of the nature. Please say no to eating shark fin soup, and take action to save the sharks!
southern
cruel
cut off
fins
harmful
food chain
What can we do to help save the endangered animals
Extension
4a
Fill in the blanks with the correct forms of the verbs in brackets.
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).
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!
Have
taken
helped
considered
had
had
took
think
came
trying
wait
Interaction
课时练P190
课时练P190
4b
Fill in the blanks with the appropriate modal verbs from the box.
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!
can would could have to should must may/ might
may/might
must/have to
can/could/should
could/can/should
have to
can/should/could
can/could
can/could
would/can/could
4c
Make a list of things that people can do to help the environment and discuss your list with your partner.
use public transportation;
turn off the lights when you leave a room;
use reusable bags instead of plastic bags;
ride your bike or walk to school or work;
stop using paper napkins;
recycle books and paper
…
A: I think that everyone should use public transportation.
B: I disagree. It’s difficult for parents with young
children to use public transportation…
听说
对……有害
在……顶端
海洋生态系统
带来危害
食物链
在过去二三十年间
环境保护（组织）
制定法律
科学研究
采取行动
hear of
be harmful to …
at the top of …
the ocean’s ecosystem
bring danger to …
food chain
in the last 20 to 30 years
environmental protection groups
develop laws
scientific studies
take action
1. Workbook PP. 190~193
2. EW Section A (3a~GF)
