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(共24张PPT)
Unit 4
The Wonders of Nature
第2课时 (Section A 2a-2d)
R·八年级下册
Knowledge & Vocabulary
Master key words: deep sea, submersible, ocean floor, Fendouzhe, rubbish etc.
Know key depth facts: Fendouzhe’s dive, the start of the deep sea, the Titanic’s depth, and the deepest whale dive.
01
Listening Skills
Predict conversation topics before listening.
Identify discussed topics and complete fill-in-the-blanks with key details from the audio.
02
Learning Objectives
Speaking & Thinking
Ask and answer questions about the deep sea with a partner.
Understand the importance of protecting the deep ocean.
03
Talk about the facts.
Mount Qomolangma is 8,848.86 meters high.
height 高度
It’s 8,848.86 meters high.
It’s 8,848.86 meters in height.
What’s the height of Mount Qomolangma
How high is Mount Qomolangma
Talk about the facts.
Sahara Desert is about 9,600,000 square kilometers in size.
size 面积
It’s about 9,600,000 square kilometers in size.
What’s the __________ of Sahara Desert
___________ is Sahara Desert
How big
size
Talk about the facts.
The Dead Sea’s surface is 416 meters below sea level.
It’s the Dead Sea.
Its surface is _______meters below sea level.
____________________ is it
________ is the lowest place on earth
What
How low
416
Talk about the facts.
The Mariana Trench is 11,000 meters deep.
It’s 11,000 meters ________.
It’s 11,000 meters ________.
____________________ the Mariana Trench
________ is the Mariana Trench
How deep
What’s the depth of
deep
depth 深度
in depth
What are the secrets in the deep sea
Let’s go deep into the ocean and learn about it!
It’s the World’s Deepest Point in the Ocean
Lead in
Activity 1
On November 10, 2020, Chinese submersible, Fendouzhe dived to reach the deepest point on earth.
Watch and learn.
/s b m s bl /
After watching, what do you know about the deep sea
/da v /
Activity 2
Read and answer, then complete the sentences.
1. What is the picture about
2. What does each icon(图
标）mean
3. What do the numbers
on the right mean
It’s about ocean depths.
深度；纵深
a whale
the Titanic
Mount Qomolangma
Fendouzhe
The depth of each ocean point, and the height of the mountain.
1. Fendouzhe reached
______________.
2. The deep sea begins at
______________.
3. The Titanic rests at
____________.
4. A whale can dive to
_________________.
2a
What do you know about the deep sea Complete the sentences with the information from the picture.
潜水
D. 10,909 metres
A. 200 metres
C. 3,800 metres
B. over 2,000 metres
/ta t n k/
A class is asking a deep-sea researcher some questions after his talk.
Let’s follow them to learn more about the deep sea.
Lead in
Many people are researching the deep sea because of curiosity .
study something carefully to learn more about it
/r s t /
/ kj ri' s ti/n. 好奇心
Listen and tick the topics they discuss.
2b
where the deep sea begins
why people are researching the deep sea
which Chinese submersible dived deeper in the water than many others
what deep-sea animals are like
how everyone should protect the deep sea
/s b m s bl/ n.潜水艇
adj. 深海的
信号词可以帮助快速定位
dive into 潜入
Read and predict. What can be filled in the blanks
2c
1. People still don’t know much about the __________.
2. In __________, China’s Fendouzhe dived into the deep sea
and filmed it.
3. Some animals have unusual abilities. Some are __________
but can “see”. Some can even create their own __________.
4. There is rubbish even at __________ metres deep.
深海相关的名词(短语)
年份/地点
表感官缺陷的形容词
视觉相关的名词(短语)
具体的数据
特殊能力
Listen again. Complete the sentences with the facts from the conversation.
2c
1. People still don’t know much about the __________.
2. In __________, China’s Fendouzhe dived into the deep sea
and filmed it.
3. Some animals have unusual abilities. Some are __________
but can “see”. Some can even create their own __________.
4. There is rubbish even at __________ metres deep.
ocean floor
2020
blind
light
11,000
单词（短语）/数字过长时可先简写速记，后续补充完整
Listen again and fill in the blanks.
Post-listening
Ms Gao: Thank you for the , Mr Jones. Now, does anyone have any questions
Emma: I do! Why are so many countries researching the
Mr Jones: Well, . We don't know enough about the
.
Fu Xing: I remember that in 2020, China's Fendouzhe deeper into the Mariana Trench than many other in the world and it. But I didn't see any deep-sea animals. What are they like
Mr Jones: Well, many deep-sea animals are large and . Some animals are blind, but they can "see" others. Some even their own light!
Peter: Cool! Are there any other about the deep sea
Mr Jones: Did you know that there's even at 11,000 metres deep That
many people.
Ms Gao: That's ! We should do something about it.
Mr Jones: You're right!
wonderful talk
deep sea
curiosity is one reason
ocean floor
dived
submersibles
filmed
unusual
as well as
create
surprising facts
rubbish
shocked
terrible
精彩的演讲
深海
好奇心是原因之一
海底
下潜
潜水器
拍摄
不寻常的
和…… 一样好
创造
令人惊讶的事实
垃圾
使震惊
糟糕的
Activity 6
Read, underline and answer the questions.
Did Fendouzhe dive very deep into the Mariana Trench in 2020
How do you know
It dived deeper than many other submersibles in the world.
Some deep-sea animals are blind, but can they “see”
Yes, they can “see” as well as others.
How do blind animals “see” without eyes Give an example.
Blind animals don’t see with their eyes.
But they can still “see” using other senses like touch, smell, or sound. (bat…)
Work on 2d
Post-listening
Read the questions and think of more you would like to ask the deep-sea researcher. Research the answers. Then ask and answer the questions with a partner.
What is the largest shark in the deep sea
Why is it important to research the deep sea
What is the bottom of the deep sea like
底部；最下部
/ b t m/
Work on 2d
These words or phrases may help you.
Post-listening
whale shark（鲸鲨）
slow-moving（移动缓慢的）
up to 12 meters long（长达 12 米）
dark（黑暗的）
cold（寒冷的）
high pressure（高压）
strange creatures（奇特生物）
no sunlight（没有阳光）
discover new species understand climate change
（发现新物种） （了解气候变化）
find natural resources protect sea animals
（寻找自然资源） （保护海洋动物）
learn about Earth’s history develop new technology
（了解地球历史） （发展新技术）
An example
A: What is the largest shark in the deep sea
B: I think it’s the whale shark.
A: Do you know how large it is
B: It can grow up to about 10 to 20 metres in length.
A: What is the bottom of the deep sea like
B: It is dark, freezing, and has high pressure. There are also
many unique creatures.
A: Why is it important to research the deep sea
B: Because the deep sea has unique species for research, holds important resources, and can help control our climate.
重点短语
1. 在地球上
2. 平方千米
3. 低于/高于海平面
4. 潜人深海
5. ……的底部
on earth
square kilometre
below/above sea level
dive into the deep sea
the bottom of…
Let’s practice.
根据句意和汉语提示写出所缺单词。
1. The Great Pyramid is a great ___________ (奇观) of the ancient world.
2. We need to get the exact _____________ (测量数据) of the room before buying the carpet.
3. The temperature today is five degrees ___________ (低于) zero.
4. The water __________ (水平面) in the lake is rising because of the heavy rain.
5. The _________ (表面) of the moon is covered with dust and rocks.
6. Mount Qomolangma is the _________ (high) mountain in the world.
7. The Sahara is by far the __________ (large) hot desert on Earth.
8. What’s the __________ (deep) point in the ocean — It’s the Mariana Trench.
9. Scientists use special tools for the __________ (measure) of the trench’s depth.
10. We looked at the stars and __________ (wonder) if there is life in space.
wonder
measurement
below
surface
level
highest
largest
deepest
measurement
wondered
完成句子。
1.这个湖有多深
_______ _________ is the lake
2.请尽可能快地完成作业!
Please finish your homework_______ ____________ _______ you can!
3.地球上最深的点是哪里
Where’s ________ ____________ __________ on earth
　point
　deepest
　the
　quickly as
　as
　How deep
.

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