外研版（2019）必修第二册Unit 6 Earth first Understanding ideas 课件(共31张PPT)
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| 名称 | 外研版（2019）必修第二册Unit 6 Earth first Understanding ideas 课件(共31张PPT) |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-04-04 21:24:29 | ||
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(共31张PPT)
Understanding ideas
—Reading comprehension
SHARKS: DANGEROUS OR ENDANGERED
Unit 6 Earth first
By the end of this period, you will be able to:
read for the main idea of the passage;
read for details and figure out the author’s purposes;
understand the changes of the author’s attitudes towards sharks;
express ideas on how to protect endangered sharks based on the understanding of the passage.
CONTENTS
I
Pre-reading
II
While-reading
III
Post-reading
IV
Sentences analysis
Pre-reading
Guess what the animals is with the given information.
﹡They live in the ocean and do not have bones.
﹡Most of them have good eyesight.
﹡Large ones can weigh between 680 and 1,800 kg.
﹡They have special electroreceptor organs(电感受器官).
﹡Their skin feel similar to sandpaper.
﹡They can go into a trance(陷入昏睡).
﹡They first appeared in the ocean around 455 million years ago.
﹡Scientists age them by counting the rings on their vertebrae(脊椎).
Shark
Tick the words that you would use to describe sharks. Add any more you can think of.
dangerous
powerful
endangered
cute
intelligent
huge
interesting
man-eating
terrifying
□
□
□
□
□
□
□
□
□
flexible
fierce
ocean giant
enormous
…
vulnerable
Have you ever watched the movie Jaws
Jaws is a 1975 American thriller film (惊悚片) directed by Steven Spielberg, based on the 1974 novel by Peter Benchley.
Now let’s read the passage and find out how the author describes sharks in the film Jaws.
While-reading
Activity 1 Fast- reading for basic information
Ⅰ. What’s the passage mainly about
A．It mainly tells us sharks are dangerous animals.
B．It mainly tells us whether the sharks are dangerous or endangered.
C．Sharks are always endangered and we should protect them.
D．It tells us a successful film that arouse people’s awareness of wildlife protection.
√
Ⅱ. Skim the passage and match each paragraph with its main idea.
1．Para.1 A．Finning kills millions of sharks a year.
2．Para.2 B．The opening scene from the 1975 film Jaws.
3．Para.3 C．More people want to protect sharks from extinction.
4．Para.4 D．Benchley came across an awful sight of dead sharks and fought to protect sharks.
5．Para.5 E．Jaws made people more scared of sharks and people killed as many sharks as they could.
Activity 2 Careful- reading for details
Ⅰ. Read Para. 1 and choose the best answer.
1. The author described the opening scene of the film Jaws so as to ____.
A. introduce the topic B. make people aware of sharks
C. tell sharks are dangerous D. show his angry to the film
√
We see a woman swimming at night in a dark sea. Suddenly, she is pulled underwater. She surfaces, cries in fear, then disappears forever. This is the opening scene from the 1975 film Jaws, showing a shark attack. It tells the story of a great white shark that attacks and kills swimmers. 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.
the opening scene from the 1975 film Jaws
Enjoy the opening clip of the film Jaws.
2. What influence did Jaws have on people’s attitudes to sharks Find the sentence in Para. 1.
It strengthened people’s long-held idea of the great white shark as a dangerous animal.
3. Which of the following statements about the film Jaws is WRONG
A. A woman died as a result of a shark’s attack.
B. It was popular with huge audiences.
C. It changed people’s attitude to sharks as a dangerous animal.
D. It won a great reputation in the field of film.
√
Ⅱ. Read Para. 2 and do the following exercise.
1. From the underlined sentence we know that people are more __________ of sharks due to the film.
People have always been scared of sharks, but Jaws made things worse. It made people frightened of 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, afraid of 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.
frightened
People who saw the film Jaws believed ___________________________________.
Some people stopped __________________ while others started to______________.
What was the people’s reaction
sharks were bad animals that ate humans
fish for sharks
swimming in the sea
2. Which of the following was led to by the film
A．Many sharks were killed for their fins.
B．People are no longer afraid of sharks.
C．Most of people stop swimming in the sea.
D．People believe sharks are horrible animals.
√
Ⅲ.Read Para.3 and choose the best answer.
1. Why did the number of large sharks decrease quickly
A．Because large sharks were finned.
B．Because people were afraid of them.
C．Because people were tired of them.
D．Because the environment was destroyed.
√
2. What is finning
Finning is a type of fishing where sharks are caught and their fins cut off. The sharks are thrown back into the sea where they die slowly and painfully.
Bleed to death
Be eaten by other creatures
Die from lack of oxygen
Die from hunger
3. What are fins used to do by humans
The fins are used in shark fin soup
A bowl of fin soup = The life of a whole shark
Ⅳ.Read Para.4 and do the following exercise.
1. When Peter Benchley saw so many dead sharks，what did he begin to do
A．He felt sorry for sharks.
B．He became ashamed of his lack of knowledge.
C．He admitted his misunderstanding of sharks.
D．He gave up writing to protect sharks.
√
The horrible sight he caught when he was diving changed his attitude to the sharks.
2. Complete the table.
Time Things Peter Benchley did Peter Benchley’s views on sharks
Before 1975
After 1980
writing a book the film Jaws was based on
fighting to protect sharks
admitting that his book was wrong
dangerous and frightening animals
People were a danger to sharks.
Sharks don’ t target humans.
Ⅴ.Read Para.5 and choose the best answer.
How does the author feel about the future of the sharks
A．Worried. B．Pessimistic.
C．Unconcerned. D．Optimistic.
√
Ⅵ.Read the whole passage again and do the following exercise.
1. Where is the passage most likely from
A．A diary. B．A guide book.
C．A novel. D．A magazine.
√
2. What is the author’s purpose in writing the passage
A. To criticise Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks.
B. To explain people’s misunderstanding of sharks and raise awareness of shark protection.
C. To inform people about sharks and recommend the film and the book to them.
√
Sharks:
Dangerous of Endangered
Para.____ +Para.____
_____________
Para.____ + Para. ___
_______________
Para.____
More people want to
_________________________.
1
2
3
endangered
protect sharks from extinction
dangerous
4
5
3. Complete the basic structure of the article.
problem
analyze
conclusion
Post-reading
Activity 1 Discussion
1．Why should we protect sharks (Critical thinking)
Each and every animal on earth has as much right to be here as you and me. Human and sharks are both residents on earth and have the same rights to live on and share the same earth.
Let’s live in harmony with each other and go for a shared co-existence and future.
2．What can people do to protect sharks？(Creative thinking)
From the following aspects:
Know more about shark fishing.
Reduce the consumption of shark fins and other shark products.
Government, fishermen and others work together.
Activity 2 Summary
The 1975 film Jaws described a scene where a woman swimming in a dark sea 1.____________(attack) by a great white shark and finally was killed by it，which made people consider the great white shark as 2.___ dangerous animal.
Some people were afraid of swimming in the sea.To make things 3._____(bad)，other people started fishing for sharks,4._______(kill) as many as they could.As a result，the number of large sharks around America fell quickly.Finning is a type of fishing where sharks are caught and their fins cut off.The sharks are thrown back into the sea where they die slowly and 5._________(painful)．Finning kills millions of sharks a year.
was attacked
a
worse
killing
painfully
In 1980，Benchley，the man 6.________ wrote the book the film Jaws was based on,7.__________(dive) when he came across an awful sight.The sea floor was covered with dead sharks because of finning.He came to see people as a danger to sharks，rather than the other way round.From that day on，he fought 8.__________(protect) sharks.9._______(expert) have proved that sharks do not see people as food，and they attack us by mistake.Only around six people are killed by sharks every year.
Fortunately，some people began to protect sharks.Today，as we learn more about sharks，more people than ever want to protect them 10.____ extinction.
who/that
was diving
to protect
Experts
from
1．Many people who saw the film started to believe that sharks were bad animals that ate humans.
[句式分析] 此句是____句。主句主语为______________________；who引导的是____从句，修饰people；started to believe为____；第一个that引导的是____从句；第二个that引导的是____从句，修饰bad animals。
[自主翻译]
Sentences analysis
复合
Many people
定语
谓语
宾语
定语
许多看过电影的人开始相信，鲨鱼是吃人的有害动物。
2．Finning would have an unexpected effect upon Peter Benchley，the man who wrote the book the film Jaws was based on.
[句式分析] 此句是____句，主句中Finning为句子____，would have an unexpected effect upon为____，Peter Benchley作____；the man who...on作Peter Benchley的______，who引导____从句，修饰the man；the film Jaws was based on是____从句，修饰the book，从句中省略了____________________。
[自主翻译]
复合
主语
谓语
宾语
同位语
定语
定语
that/which
鱼鳍采割活动对《大白鲨》电影的原著作者——彼得·本奇利产生了出乎意料的影响。
3．Fortunately，not everyone who watched the film Jaws became afraid of sharks—some became interested in understanding them.
[句式分析] 此句是____句。主句的主语为________________，became为______，afraid of sharks是____，who引导____从句，修饰everyone；破折号后面的句子为______，解释说明前一句的内容；句中not和everyone连用，属于____否定。
[自主翻译]
复合
everyone
系动词
表语
定语
同位语
部分
幸运的是，并非每个看过《大白鲨》这部电影的人都变得害怕鲨鱼——有些人变得更有兴趣去了解它们。
Review what we have learnt and preview language points.
Homework
Understanding ideas
—Reading comprehension
SHARKS: DANGEROUS OR ENDANGERED
Unit 6 Earth first
By the end of this period, you will be able to:
read for the main idea of the passage;
read for details and figure out the author’s purposes;
understand the changes of the author’s attitudes towards sharks;
express ideas on how to protect endangered sharks based on the understanding of the passage.
CONTENTS
I
Pre-reading
II
While-reading
III
Post-reading
IV
Sentences analysis
Pre-reading
Guess what the animals is with the given information.
﹡They live in the ocean and do not have bones.
﹡Most of them have good eyesight.
﹡Large ones can weigh between 680 and 1,800 kg.
﹡They have special electroreceptor organs(电感受器官).
﹡Their skin feel similar to sandpaper.
﹡They can go into a trance(陷入昏睡).
﹡They first appeared in the ocean around 455 million years ago.
﹡Scientists age them by counting the rings on their vertebrae(脊椎).
Shark
Tick the words that you would use to describe sharks. Add any more you can think of.
dangerous
powerful
endangered
cute
intelligent
huge
interesting
man-eating
terrifying
□
□
□
□
□
□
□
□
□
flexible
fierce
ocean giant
enormous
…
vulnerable
Have you ever watched the movie Jaws
Jaws is a 1975 American thriller film (惊悚片) directed by Steven Spielberg, based on the 1974 novel by Peter Benchley.
Now let’s read the passage and find out how the author describes sharks in the film Jaws.
While-reading
Activity 1 Fast- reading for basic information
Ⅰ. What’s the passage mainly about
A．It mainly tells us sharks are dangerous animals.
B．It mainly tells us whether the sharks are dangerous or endangered.
C．Sharks are always endangered and we should protect them.
D．It tells us a successful film that arouse people’s awareness of wildlife protection.
√
Ⅱ. Skim the passage and match each paragraph with its main idea.
1．Para.1 A．Finning kills millions of sharks a year.
2．Para.2 B．The opening scene from the 1975 film Jaws.
3．Para.3 C．More people want to protect sharks from extinction.
4．Para.4 D．Benchley came across an awful sight of dead sharks and fought to protect sharks.
5．Para.5 E．Jaws made people more scared of sharks and people killed as many sharks as they could.
Activity 2 Careful- reading for details
Ⅰ. Read Para. 1 and choose the best answer.
1. The author described the opening scene of the film Jaws so as to ____.
A. introduce the topic B. make people aware of sharks
C. tell sharks are dangerous D. show his angry to the film
√
We see a woman swimming at night in a dark sea. Suddenly, she is pulled underwater. She surfaces, cries in fear, then disappears forever. This is the opening scene from the 1975 film Jaws, showing a shark attack. It tells the story of a great white shark that attacks and kills swimmers. 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.
the opening scene from the 1975 film Jaws
Enjoy the opening clip of the film Jaws.
2. What influence did Jaws have on people’s attitudes to sharks Find the sentence in Para. 1.
It strengthened people’s long-held idea of the great white shark as a dangerous animal.
3. Which of the following statements about the film Jaws is WRONG
A. A woman died as a result of a shark’s attack.
B. It was popular with huge audiences.
C. It changed people’s attitude to sharks as a dangerous animal.
D. It won a great reputation in the field of film.
√
Ⅱ. Read Para. 2 and do the following exercise.
1. From the underlined sentence we know that people are more __________ of sharks due to the film.
People have always been scared of sharks, but Jaws made things worse. It made people frightened of 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, afraid of 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.
frightened
People who saw the film Jaws believed ___________________________________.
Some people stopped __________________ while others started to______________.
What was the people’s reaction
sharks were bad animals that ate humans
fish for sharks
swimming in the sea
2. Which of the following was led to by the film
A．Many sharks were killed for their fins.
B．People are no longer afraid of sharks.
C．Most of people stop swimming in the sea.
D．People believe sharks are horrible animals.
√
Ⅲ.Read Para.3 and choose the best answer.
1. Why did the number of large sharks decrease quickly
A．Because large sharks were finned.
B．Because people were afraid of them.
C．Because people were tired of them.
D．Because the environment was destroyed.
√
2. What is finning
Finning is a type of fishing where sharks are caught and their fins cut off. The sharks are thrown back into the sea where they die slowly and painfully.
Bleed to death
Be eaten by other creatures
Die from lack of oxygen
Die from hunger
3. What are fins used to do by humans
The fins are used in shark fin soup
A bowl of fin soup = The life of a whole shark
Ⅳ.Read Para.4 and do the following exercise.
1. When Peter Benchley saw so many dead sharks，what did he begin to do
A．He felt sorry for sharks.
B．He became ashamed of his lack of knowledge.
C．He admitted his misunderstanding of sharks.
D．He gave up writing to protect sharks.
√
The horrible sight he caught when he was diving changed his attitude to the sharks.
2. Complete the table.
Time Things Peter Benchley did Peter Benchley’s views on sharks
Before 1975
After 1980
writing a book the film Jaws was based on
fighting to protect sharks
admitting that his book was wrong
dangerous and frightening animals
People were a danger to sharks.
Sharks don’ t target humans.
Ⅴ.Read Para.5 and choose the best answer.
How does the author feel about the future of the sharks
A．Worried. B．Pessimistic.
C．Unconcerned. D．Optimistic.
√
Ⅵ.Read the whole passage again and do the following exercise.
1. Where is the passage most likely from
A．A diary. B．A guide book.
C．A novel. D．A magazine.
√
2. What is the author’s purpose in writing the passage
A. To criticise Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks.
B. To explain people’s misunderstanding of sharks and raise awareness of shark protection.
C. To inform people about sharks and recommend the film and the book to them.
√
Sharks:
Dangerous of Endangered
Para.____ +Para.____
_____________
Para.____ + Para. ___
_______________
Para.____
More people want to
_________________________.
1
2
3
endangered
protect sharks from extinction
dangerous
4
5
3. Complete the basic structure of the article.
problem
analyze
conclusion
Post-reading
Activity 1 Discussion
1．Why should we protect sharks (Critical thinking)
Each and every animal on earth has as much right to be here as you and me. Human and sharks are both residents on earth and have the same rights to live on and share the same earth.
Let’s live in harmony with each other and go for a shared co-existence and future.
2．What can people do to protect sharks？(Creative thinking)
From the following aspects:
Know more about shark fishing.
Reduce the consumption of shark fins and other shark products.
Government, fishermen and others work together.
Activity 2 Summary
The 1975 film Jaws described a scene where a woman swimming in a dark sea 1.____________(attack) by a great white shark and finally was killed by it，which made people consider the great white shark as 2.___ dangerous animal.
Some people were afraid of swimming in the sea.To make things 3._____(bad)，other people started fishing for sharks,4._______(kill) as many as they could.As a result，the number of large sharks around America fell quickly.Finning is a type of fishing where sharks are caught and their fins cut off.The sharks are thrown back into the sea where they die slowly and 5._________(painful)．Finning kills millions of sharks a year.
was attacked
a
worse
killing
painfully
In 1980，Benchley，the man 6.________ wrote the book the film Jaws was based on,7.__________(dive) when he came across an awful sight.The sea floor was covered with dead sharks because of finning.He came to see people as a danger to sharks，rather than the other way round.From that day on，he fought 8.__________(protect) sharks.9._______(expert) have proved that sharks do not see people as food，and they attack us by mistake.Only around six people are killed by sharks every year.
Fortunately，some people began to protect sharks.Today，as we learn more about sharks，more people than ever want to protect them 10.____ extinction.
who/that
was diving
to protect
Experts
from
1．Many people who saw the film started to believe that sharks were bad animals that ate humans.
[句式分析] 此句是____句。主句主语为______________________；who引导的是____从句，修饰people；started to believe为____；第一个that引导的是____从句；第二个that引导的是____从句，修饰bad animals。
[自主翻译]
Sentences analysis
复合
Many people
定语
谓语
宾语
定语
许多看过电影的人开始相信，鲨鱼是吃人的有害动物。
2．Finning would have an unexpected effect upon Peter Benchley，the man who wrote the book the film Jaws was based on.
[句式分析] 此句是____句，主句中Finning为句子____，would have an unexpected effect upon为____，Peter Benchley作____；the man who...on作Peter Benchley的______，who引导____从句，修饰the man；the film Jaws was based on是____从句，修饰the book，从句中省略了____________________。
[自主翻译]
复合
主语
谓语
宾语
同位语
定语
定语
that/which
鱼鳍采割活动对《大白鲨》电影的原著作者——彼得·本奇利产生了出乎意料的影响。
3．Fortunately，not everyone who watched the film Jaws became afraid of sharks—some became interested in understanding them.
[句式分析] 此句是____句。主句的主语为________________，became为______，afraid of sharks是____，who引导____从句，修饰everyone；破折号后面的句子为______，解释说明前一句的内容；句中not和everyone连用，属于____否定。
[自主翻译]
复合
everyone
系动词
表语
定语
同位语
部分
幸运的是，并非每个看过《大白鲨》这部电影的人都变得害怕鲨鱼——有些人变得更有兴趣去了解它们。
Review what we have learnt and preview language points.
Homework