Unit 3 Sea Exploration Using Language 课件(共31张PPT,内镶嵌视频)高中英语人教版(2019)选择性必修第四册

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名称 Unit 3 Sea Exploration Using Language 课件(共31张PPT,内镶嵌视频)高中英语人教版(2019)选择性必修第四册
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文件大小 80.9MB
资源类型 教案
版本资源 人教版(2019)
科目 英语
更新时间 2025-04-01 22:20:47

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(共31张PPT)
Unit 3
Sea Exploration
Using Language
Teaching Objectives:
1. Grasp the structural and linguistic features of argumentative essay.
2. Master the skills of giving strong support to your argument.
Key and difficult points:
Key point:Analyze the structure and elements of argumentative passages.
Difficult point:Conclude the skills of making persuasive explanation from reading.
Part 1
Lead-in
Welcome to this important discussion on sea exploration. As youth representatives, your voices matter in shaping the future understanding of this crucial topic.
Geng Shuang, a renowned Chinese diplomat, has made powerful statements at the United Nations. His ability to clearly present viewpoints and persuade others is remarkable.
As you step into the role of a youth representative today, consider how you can communicate your stance on sea exploration with the same level of conviction.
The caption reads that sea exploration enables the development of such clean energy sources, reducing our dependence on fossil fuels.
When you consider these positive aspects, what key points would you use to advocate for sea exploration
How can you present them in a way that convinces others of its benefits
Oil exploration and accidents during sea exploration can cause severe environmental damage to marine ecosystems.
Given these negative impacts, how would you structure your argument against over-zealous sea exploration What examples can you use to make your case more compelling
Unregulated sea exploration-related fishing activities are endangering many fish species.
Part 3
Reading
Fast reading
1. Why does the author of Text 1 say no to sea exploration
A. Exploring the sea more means
exploiting it.
B. It is no use and a waste of money
exploring the sea.
C. It has caused a lot of issues and will
go on leading to more.
D. The Deepwater Horizon spilled oil
into the sea in 2010.
Fast reading
2. Why is the Deepwater Horizon mentioned in Text 1
A. To show exploiting more means
polluting the sea more.
B. To explain what is the Deepwater
Horizon.
C. To state the fact that it spilled over
200 million gallons of oil into the
sea in 2010.
D. To show plastic pollution caused by
sea exploration.
Fast reading
3. What's the author's opinion in Text 2
A. Mining for resources is very damaging,
especially in the Arctic.
B. The sea is not human beings’
possessions and it is more sensitive
than we think.
C. We mustn't explore the oceans which
cover most of our planet.
D. Sea exploration is of great significance
for our future.
Fast reading
4. According to Text 2, we can learn that ______.
A. through sea exploration, we can't learn
about any-thing that happens to the earth
B. by keeping a record of new species,
we will better understand the life on the
earth
C. we are trying to explore the sea just to
get plenty of oil and gas
D. sea exploration is unlikely to cause
environmental risks
Fast reading
3.What are the
two authors'
opinions about the sea
exploration
opposed
supportive
Careful reading
Find the arguments and evidence in text 1.
1.Exploration causes pollution.
Deepwater Horizon oil spill
Plastic pollution
2.Mining for resources is damaging.
It hurts the Arctic.
Burning fossil fuels adds to climate change
3.Overfishing is an issue.
Whales and dolphins are hunted.
Banned, but some countries still doing it.
Argumentative
Essay
(Text 1)
Careful reading
Read for the structure
Main Point (Para.1)
(main argument)
Body (Para.2~4)
(sub-points &supporting ideas)
Conclusion (Para.5)
(restatement and a call to action)
Careful reading
Find the arguments and evidence in text 1.
1.Sea exploration is important for our future.
Scientific research ships can help address important issues like climate change.
2.Understanding more about the sea will also help us manage its resources better.
New medicines, food resources and energy.
Predict events such as earthquakes.
3. We need new resources for future development.
Vast amounts of resources may be under the sea and ice.
Argumentative
Essay
(Text 2)
Careful reading
Read for the structure
Main Point (Para.1)
(main argument)
Body (Para.2~3)
(sub-points &supporting ideas)
Conclusion (Para.5)
(restatement and a call to action)
Look at the two charts below and decide which one supports which text.
Text 1:
Text 2:
Global trends in the state of world marine fish stocks
Decline in oil spills
Part 4
Writing
最近,你们班同学就是否应该进行海洋探索展开了热烈的争论。有人赞成,有人反对,请你就此事用英语写一篇发言稿,表达你的个人看法。
注意:
1.词数 80左右;
2.可以适当增加细节,以使行文连贯;
3.开头和结尾已经给出,不计人总词数。
________________________________________________________________________________________________________________________________________________
________________________________________________
Make notes of your ideas.
确定写作体裁主题
体裁
电子邮件
主题
介绍大熊猫
确定时态和人称
以一般现在时为主
以第三人称为主
明确写作要点
给 John 写回信,开头点题→介绍大熊猫的基本情况(是标志性动物,是国宝,介绍其分布地区、特征、生活习性、采取的措施和数量的增加等)→祝福 John
分段
第一段表明写信的原因;
第二段介绍大熊猫的称号、分布地区、特征和生活;
第三段写大熊猫过去是濒危动物,采取措施后,数量增加。
Complete the sentences
1.被认为是我们国宝的大熊猫,是中国最著名的标志性动物之一。(be considered as)。
______________________________________________________________
2.它广泛分布在四川陕西和甘肃。(distribution)。
______________________________________________________________
3.大熊猫有着黑白相间的毛茸茸的外观,它们特别可爱,在全世界都很受欢迎,尽管又大又笨拙。(cute, popular)
______________________________________________________________
The panda, considered as our national treasure, is one of the most famous iconic animals in China.
It has a wide distribution in Sichuan, Shaanxi and Gansu provinces.
With a furry appearance in black and white, pandas are especially cute and popular worldwide, though big and clumsy.
Complete the sentences
3.大熊猫有着黑白相间的毛茸茸的外观,它们特别可爱,在全世界都很受欢迎,尽管又大又笨拙。(cute,popular)
______________________________________________________
4.大熊猫主要以竹子为生。(live on)
______________________________________________________
With a furry appearance in black and white, pandas are especially cute and popular worldwide, though big and clumsy.
The panda mainly lives on bamboo.
Complete the sentences
5.随着自然平衡被破坏,在野外只发现了少量的大熊猫。(with 复合结构, a handful of)
______________________________________________________________
6.已采取了有效的措施,并建立了一些保护区。(take measures , set up)
______________________________________________________________
7.因此,大熊猫的数量也在增加。(as a result, the number of, on the increase)
______________________________________________________________
With the balance of nature destroyed, only a handful of pandas were found in the wild.
Effective measures have been taken and a number of reserves have been set up.
As a result, the number of pandas is on the increase.
Sample
Dear editor,
I'm writing to tell you something about the panda.
The panda, considered as our national treasure, is one of the most famous iconic animals in China. It has a wide distribution in Sichuan, Shaanxi and Gansu provinces. With a furry appearance in black and white, pandas are especially cute and popular worldwide, though big and clumsy. The panda mainly lives on bamboo.
In the past, with the balance of nature destroyed, only a handful of pandas were found in the wild. However, effective measures have been taken and a number of reserves have been set up. As a result, the number of pandas is on the increase.
Best wishes.
Yours,
Li Hua
过去分词短语作后置定语,修饰the panda
广泛分布
黑白相间
“though+形容词”构成的状语从句的省略
"with+宾语+过去分词"构成的 with复合结构
因此
Part 5
Assessing Your Progress
Complete the sentences using the correct forms of the words in the box.
1. The iconic Beijing National Stadium, also known as the “Bird’s Nest”, has a _________ of 80,000.
2. Special tiger reserves with fences have greatly improved the _________ of the wild tiger population across India, and local police are now entitled to give longer prison sentences to hunters.
3. The _________ of the boat trips between the islands falls greatly in bad weather when stormy waves make such journeys especially difficult.
capacity
distribution
frequency
Complete the sentences using the correct forms of the words in the box.
4. The largest native bird of Australia is the emu. Male emus are good fathers—after their babies are _________, they take care of them until they are nine months old.
5. _________ are an essential component of traditional Chinese medicine.
6. _________ tornado storms have been known to cause severe damage in America’s famous “Tornado Alley” area.
hatched
Herbs
Violent
Fill in the blanks using the appropriate forms of the verbs in brackets. Then reorder these sentences to make a passage.
Constructed
linking
inspired
mixing
sold
(was) opened
dating
G
A
F
B
E
D
C
SEE YOU NEXT TIME