外研版(2019)必修 第二册Unit 6 Earth first Starting out & Understanding ideas 课件(共30张PPT)

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名称 外研版(2019)必修 第二册Unit 6 Earth first Starting out & Understanding ideas 课件(共30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 2023-04-07 16:07:03

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(共30张PPT)
Unit 6
Unit 6
Earth first
To think about some environmental problems we are facing and express your ideas on these environmental problems
To read for the main idea and details of the passage.
To understand the changes of the author's attitudes towards sharks.
When it comes to the earth, what's your first impression Have you noticed some serious problems the earth is suffering from
water pollution
air pollution
plastic pollution
global warming
waste disposal
soil pollution
What environmental problem does each picture refer to
overpopulation
deforestation
List the top 10 environmental problems.
Climate Change.(气候变化)
Energy.(能源)
Water.(水)
Biodiversity and Land Use.(生物多样性和土地使用)
Chemicals, Toxics and Heavy Metals. (化学特制、有毒物质及重金属)
Air Pollution.(空气污染)
Waste Management.(废物管理)
Ozone Layer Depletion. (臭氧层损耗)
Oceans and fisheries.(海洋和渔业)
Deforestation.(采伐森林)
How much do you know about the serious situation humans faces Watch the video and answer the questions.
1. Which of the facts in the video do you find most alarming
Deforestation
Species’ extinction
Ocean pollution
Shortage of fresh water
Plastic pollution
Loss of glaciers
2. What does the video want to tell us
Severe environmental problems we are facing nowadays make our future uncertain. It's time for everyone to take action now and make our planet a greener and safer place for our future generations.
If we do not change our ways, we are at risk of ruining our planet and destroying many more plants and animals. All of these things will be gone. And we will be gone, too.
Time is running out. Our planet needs our help.
It's up to us to decide together what happens next.
SHARKS:
DANGEROUS OR ENDANGERED
Have you ever seen the film Jaws Introduce the plot of the film.
Director:
Steven Spielberg
Writers:
Peter Benchley (screenplay),
Carl Gottlieb
(screenplay)
What's your first impression of sharks
Tick the words that you would use to describe sharks.
□ dangerous □ powerful □ endangered
□ interesting □ man-eating □ terrifying
□ cute □ intelligent □ huge
Add any more words you can think of to describe sharks and compare your choices with the class. Share what you know about sharks.
More words: flexible, fierce, ocean giant, sharp teeth...
There are over three hundred different species of shark. The unusual thing about all these fish is the fact that they have no bones! Their entire skeleton (骨架) is made up of cartilage (软骨). Different sharks have different shapes of teeth. The great white shark has very sharp teeth that are able to tear big pieces of its prey (猎物). Most of sharks feed on sea creatures like fish, squid and crabs. The great white shark has been known to eat seals.
Sharks have excellent sight. They also have a very good sense of hearing and pick up sounds of struggling fish far away, sounds that would not be heard to the human ear. They also have a very keen sense of smell and are attracted by the smell of blood coming from an injured fish.
Read the passage and find out how sharks are described in the film Jaws.
Sharks are described in the film as dangerous and bad animals that eat humans.
Match the main idea with its corresponding paragraph.
Paragraph 1 A. Peter admitted his mistakes and began
to fight for protecting sharks.
Paragraph 2 B. The successful film gave people the
impression that sharks were dangerous.
Paragraph 3 C. More and more people want to protect sharks from extinction today.
Paragraph 4 D. Jaws caused people to react differently.
Paragraph 5 E. Finning speeds up the drop in numbers
of sharks.
n. 鱼鳍
v.切去(鱼的)鳍
Work out the structure of the text.
Sharks:
Dangerous or Endangered
Para 1 + Para 2
_____________
Para 3 + Para 4
_____________
Para 5
______________________________________________________________________________
dangerous
endangered
More people want to protect sharks from extinction.
n. 灭绝,绝种)
Complete the chart showing how attitudes towards sharks have changed with words and expressions from the passage.
People have always been scared of sharks because they are considered 1.____________________.
as dangerous animals
People have a normal fear of sharks.
v. 使(某人)惊恐,吓唬
People who saw the film Jaws believed 2. ____________________________________.
Some people stopped 3.__________________ while others started to 4. _______________.
The number of large sharks fell quickly due to 5. __________________________.
sharks were bad animals that ate humans
swimming in the sea
fish for sharks
fear of sharks and finning
People are more frightened of sharks.
由于,因为
Peter Benchley admitted that his book 6. _________________________________ and fought 7._________ them.
Experts have proved that 8. _____________________________, and they attack us by mistake.
Some people became interested in 9. _____________________ and more are willing to 10. ___________________________.
was wrong about sharks' behaviour
to protect
sharks do not see people as food
understanding sharks
protect sharks from extinction
More people are against finning and wish to protect sharks.
1. To criticize Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks.
2. To explain peoples' misunderstanding of sharks and raise awareness of shark protection.
3. To inform people about sharks and recommend the film and the book to them.
Choose the author’s purpose in writing the passage.
Below is the summary of the text with some content missing. Choose the right item from the box and make the summary complete. Change the form when necessary.
fin, protect, fortunate, danger, drop
Jaws, a 1975 film, strengthened people's long-held idea of the great white shark as a(n) 1. __________ animal.
dangerous
fin, protect, fortunate, danger, drop
After 1975, many people started fishing for sharks and the number of sharks quickly 2. ________ all over the world. 3. ________ is a type of fishing where sharks are caught and their fins cut off, which kills millions of sharks a year. 4. __________, some people who watched the film became interested in understanding and protecting sharks. In 1980, Peter Benchley, who wrote the book the film Jaws was based on, fought to 5. ________ sharks as he became alarmed by the practice of finning.
dropped
Finning
Fortunately
protect
Make a survey about water pollution around you, then write a short report in 70 words, including existing problems, causes, damage, possible solutions.