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(共31张PPT)
B2U6 Earth first
fin [f n]
Leading in
What’s the animal shown in the picture
True or False
Sharks kill more people than coconuts every year.
Most sharks are dangerous to humans.
Sharks existed before dinosaurs.
Sharks can smell one drop of blood from miles away.
Some sharks are smaller than your hand.
Sharks are always hunting humans.
False Coconuts actually cause more deaths than sharks each year.
False Only a small number of shark species are dangerous to humans.
True Sharks have existed for over 400 million years—before dinosaurs.
False Sharks have a strong sense of smell, but not that extreme.
True Some sharks are very small—smaller than your hand.
False Sharks do not usually hunt humans; they prefer other prey.
Tick the words that you would use to describe sharks. Add any more you can think of.
Leading in
Sharks: dangerous or endangered
B2U6 Understanding ideas
A. Finning kills millions of sharks a year.
Para.1
B. The opening scene from the 1975 film Jaws.
Para.2
C. More people want to protect sharks from extinction.
Para.3
D. Benchley came across an awful sight of dead sharks and fought to protect sharks.
Para.4
E. Jaws made people more scared of sharks and people killed as many sharks as they could.
Para.5
1. Read and match the main idea of each paragraph.
Try to find out the key sentences in each paragraph to get the main idea.
A. Finning kills millions of sharks a year.
B. The opening scene from the 1975 film Jaws.
C. More people want to protect sharks from extinction.
Para.3
D. Benchley came across an awful sight of dead sharks and fought to protect sharks.
Para.4
E. Jaws made people more scared of sharks and people killed as many sharks as they could.
Para.5
Para.2
Para.1
1. Read and match the main idea of each paragraph.
SHARKS:
DANGEROUS OR ENDANGERED
Part 1: ( para. ______ )
Sharks are ___________
Part 2: ( para. ______ )
Sharks are ___________
Part 3: ( para. ______ )
Sharks are being ___________
dangerous
1-2
3-4
5
endangerous
protected
What is the structure of this passage
Reading
Read the passage again and answer the questions:
How did people’s attitudes towards sharks change
What caused the changes
a long-held idea: a dangerous animal
strengthened attitude : more frightened of sharks
“Jaws was a great success, attracting huge audiences and winning many awards. It strengthened people’s long-held idea of the great white shark as a dangerous animal.” (Para. 1)
as dangerous animals
sharks were bad animals that ate humans
swimming in the sea
fish for sharks
fear of sharks and finning
a long-held idea: a dangerous animal
strengthened attitude : more frightened of sharks
new attitude: fighting to protect sharks
finning
“Finning would have an unexpected effect upon Peter Benchley, the man who wrote the book the film Jaws was based on. …when he came across an awful sight. …the sea floor was covered with dead sharks. ... He came to see people as a danger to sharks, rather than the other way round. From that day on, he fought to protect sharks. (Para. 4)
was wrong about shark’s behaviors
to protect
sharks don’t see people as food
understanding them
protect them from extinction
finning
Reading
Choose the author’s purpose in writing the passage. (P84, A3)
To criticize Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks.
To explain people’s misunderstanding of sharks and raise awareness of shark protection.
To inform people about sharks and recommend the film and the book to them.
Retelling
Retell the main content of the passage logically. Use some keywords to help you organize the information.
The passage discusses/ introduces/explains…
To start with,…Next,…Then,… In the end,…
The message sent by the author is that…
Thinking and sharing
Do you know of any other misunderstanding of animals What has changed your previous opinion about them
How should we react to image portrayed in books and films
Only 200 snakes can prove fatal or cause serious injury to humans. That’s about 7%! The majority are harmless.
Only three species feed on blood, the rest feed on insects or fruit, and only 0.5% of vampire bats (吸血蝙蝠) actually carry rabies (狂犬病). Since they are so small, the disease kills them quickly, and they rarely spread the disease.
Spiders are extremely beneficial and work hard to keep the numbers of other insects, such as cockroaches, earwigs, mosquitoes, flies and clothes moths, down.
Useful expressions (p.82-84)
We see a woman swimming at night in a dark sea. Suddenly, she is pulled underwater. She surfaces, _________ (惊恐地大喊), then disappears forever. This is the opening scene from the 1975 film Jaws, showing a shark attack. _________________ (它讲述了一个……的故事) a great white shark that attacks and kills swimmers. Jaws was ______________ (一部成功的作品), attracting huge audiences and winning many awards. _________________
______________ (它强化了人们长久以来的观点) the great white shark as a dangerous animal.
Success
[U]the fact that you have achieved sth that you want [成功]
[C]a person or thing that has achieved a good result 成功的人（或事物）
Similar usage: beauty, surprise, pleasure, worry…
cries in fear
It tells the story of
a great success
It strengthened people’s long-held idea of
Useful expressions (p.82-84)
People have always been __________ (害怕) sharks, but Jaws made things worse. It made people ___________ (害怕) sharks, especially of the great white shark. Many people who saw the film started to believe that sharks were bad animals that ate humans. Some people stopped swimming in the sea, _________ (害怕) the horrible creature from the film. Other people started fishing for sharks, killing as many as they could. At that time, nobody cared if sharks were killed, or how many were killed. People just wanted them killed.
scared of
frightened of
afraid of
Useful expressions (p.82-84)
After 1975, the number of large sharks around America _________ (急剧下降), and soon fell around the world. This was not only __________ (因为) _______ (对……的恐惧) sharks, but also finning. Finning is a type of fishing where sharks are caught and their fins ________ (切掉). The sharks are thrown back into the sea where they die slowly and painfully. The fins are used in shark fin soup. Finning kills _________ (数以百万计的) sharks a year.
fell quickly
due to
fear of
cut off
millions of
fear/scare/frighten/afraid
fear n./v.
in fear 担心;害怕
for fear of (doing) sth/that... 唯恐, 以免（发生危险）
fearful 感到担心的(be ~ of sth.)；可怕的
scare n./ v. frighten v. /fright n.
frighten/scare sb to death 把某人吓得要死
frighten/scare sb away/off 把…吓跑
frighten/scare sb into doing sth 威胁，恐吓（某人做某事）
frightening = scary
afraid adj.
be scared/frightened/afraid of (doing) sth./to do sth.
Exercises
1) They managed to ___________________________ (把熊吓跑).
2) Many people __________________________________________
_______________(已吓得只敢买这种食品).
3) People __________________________________________(害怕夜晚在街上独自行走).
are scared/frightened/afraid to walk alone at night
have been scared/frightened into only buying this kind of food
scare/frighten the bear away/off
Fill in the blanks with the right meaning and the right form.
Useful expressions (p.82-84)
Finning would ____________________________ (对……产生意想不到的影响) Peter Benchley, the man who wrote the book the film Jaws ______________ (基于……). In 1980, Benchley was diving when he __________ (偶然遇到) an awful sight. It was an area where fishermen were finning, and the sea floor _____________ (被……覆盖) dead sharks. Benchley saw sharks being killed and this ________________ (造成了巨大的改变) in him. He came to see people as a danger to sharks, rather than __________________ (相反). From that day on, he fought to protect sharks. He admitted that his book was wrong about sharks’ behaviour. “Sharks don’t target humans,” he said. Experts have proved that sharks do not see people as food, and they attack us ___________ (无意中). Only around six people are killed by sharks every year.
have an unexpected effect upon
was based on
came across
was covered with
the other way round
by mistake
caused a deep change
Para 4 He came to see people as a danger to sharks, rather than the other way round.
come to do: 逐渐达到（认识、理解或相信的程度）
译：她开始用新的角度来看待这个问题。
She had come to see the problem in a new light.
译：渐渐地，我意识到耐心和细心的重要性。
Gradually, I came to realize the importance of patience and carefulness.
come to/into sth 达到，进入(状态)
译：这场漫长又无聊的会议终于结束了。
At last the long and boring meeting came to an end.
译：关于室内吸烟的禁令很快就生效了。
The ban on smoking indoors came into effect soon.
Useful expressions (p.82-84)
Fortunately, not everyone who watched the film Jaws became afraid of sharks – some _________________ (变得对……感兴趣) understanding them. Today, as we _______________ (更了解) sharks, more people than ever want to __________________
(保护它们免遭灭顶之灾).
became interested in
learn more about
protect them from extinction
Review: Find all the sentences with -ing as adverbial.
This is the opening scene from the 1975 film Jaws, showing a shark attack. (para. 1)
Jaws was a great success, attracting huge audiences and winning many awards. (para. 1)
Other people started fishing for sharks, killing as many as they could. (para.2)
Some people stopped swimming in the sea, afraid of the horrible creature from the film. (para. 2)
形容词（短语）做状语
译：又累又饿，他停下工作去了食堂。
Tired and hungry, he stopped working and headed for the canteen.
Review: past forms
hold
eat
fall
catch
cut
throw
fight
admit
become
—held — held
— ate — eaten
—fell —fallen
—caught —caught
—cut —cut
—threw —thrown
—fought —fought
—admitted —admitted
—became —become

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