(共22张PPT)
Unit 13 We’re trying to save the earth!
Section A 3a-3b
1.shark 8.law
2.fin 9.scientific
3.cruel
4.harmful
5.chain
6.ecosystem
7.industry
n.鲨鱼
n.鱼鳍
adj.残酷的
adj.有害的
n.链子
n.生态系统
n.工业，行业
n.法律
adj.科学上的
10.be harmful to
11.at the top of
12.the food chain
对……有害
在……顶部
食物链
water pollution
air pollution
noise pollution
soil pollution
The earth is badly polluted.
What should we do to save the earth
Revision
Let’s take action (采取行动)
Turn off the lights
when you leave a room.
Recycle books and paper.
Take buses instead of driving cars.
2019-nCoV(新冠状病毒), which has killed hundreds and infected thousands, is believed to originate from a kind of bats. Some people ate the bats and the virus began to spread among humans.
the danger of killing or eating wild animals!
Free talk
There are some animals which are endangered. We should do something to protect the animals and the environment!
1. What do you know
about sharks(鲨鱼)
2. Do you think sharks can be endangered Why
1. the shark mouth
2. the shark teeth
3. the shark fins
4. the shark fin soup
The sharks are endangered now, Save the sharks！
Pre-reading: think and talk
1
阅读技能：
根据图片和标题推测文章大意。
What can you see in the picture
What does the passage may talk about
A shark.
It may talk about the sharks.
阅读技能:
速读文章，找出每段的中心句或概括段落大意。
Paragraph 1
Paragraph 2
Paragraph 3
◆ We should save the sharks
◆ Shark fin soup is popular
◆ Sharks are endangered because of people’s killing
2
Questions Answers
Where shark fin soup is popular
Number of sharks caught and traded every year
How governments can help
Two environmental groups against “finning”
Southern China
Around 70 million
Develop laws
WildAid WWF
阅读技能：跳读，寻找关键信息
3
3a
4
Read Paragraph 1 and judge the sentences. (T or F)
①Shark 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
阅读技能：精读课文，在文中找到句子的出处，确保细节阅读的正确性。
Read Paragraph 2 and fill in the chart.
people enjoy _____________________
fishermen ___________, ___________, then _______________________
________________________________have fallen by over 90 percent
a bowl of shark fin soup
catch sharks
cut their fins
throw them back into the ocean
The numbers of some kind of sharks
Read Paragraph 3 and judge the sentences.
WildAid and the WWF are environmental protection groups
in China.
2 Two environmental groups appeal(呼吁） to develop laws to stop sale shark fins.
3. Shark fins are good for health.
F
T
F
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.
when
so
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.
but
Although
adj. 科学上的，科学的
5. Sharks may disappear one day ___ we do not do something to stop the sale of shark fins.
if
Translate the following phrases:
1.对……有害________ 2. 扔回__________
3.不但……而且_____________
4.在海洋生态系统中_________________
5.濒临危险 _______________
6. ……的数量________ 7.制定法律_________
8.在……顶部_________ 9. 截止目前 ________
10. 切下，割下______________
阅读技能：浏览全文，寻找关键短语
5
Some people like to eat shark’s fin soup, especially in ________ China. But getting the shark’s fin is very _______. When people catch sharks, they ____ ____ their fins and throw the shark back into the ocean. The shark slowly dies because it can’t _____ without a fin. And it is also _______ to the environment. Sharks are at the ____ of the food chain. If the number of sharks _____ too low, it will break the balance of the nature. Please say _____ to eating shark fin soup, and take action to _____ the sharks!
southern
cruel
cut off
swim
harmful
top
drops
no
save
6
Retelling
When the buying stops, the killing can too.
没有买卖，就没有杀害！
`
Save the sharks!
7
Not only sharks，
but also pandas are endangered now !!!
Love animals.
Love the environment.
Love the world.
1. 把垃圾扔到河里
2. 在…中起作用
3. 在中国南部 4. 对……有害
5. 在……顶部 6. 海洋生态系统
throw the rubbish into the river
play a part in
in southern China
be harmful to
at the top of
the ocean’s ecosystem
根据句意及提示，写出句中所缺单词。
1. Many countries made ________(法律) to stop smoking in public places.
2. The trade with foreign countries caused China's ________(工业) to develop quickly.
3. Henry was so excited when he received an invitation to speak at a(n) ________(科学的) meeting.
4. The poor workers were often made to work more than 16 hours a day by the ______(残酷的) boss.
laws
industry
scientific
cruel
