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(共40张PPT)
Unit 4 The Wonders of Nature
What is amazing about nature
Section A(2a-2d)
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
Twenty Thousand Leagues Under the Sea
What do you know about the deep sea
Lead-in
What do you know about the deep sea Let’s follow Fenfouzhe to explore.
Work on 2a
What do you know about the deep sea Complete the sentences with the information from the picture.
Post-listening
1. Fendouzhe reached
______________.
2. The deep sea begins at
______________.
3. The Titanic rests at
____________.
4. A whale can dive to
_________________.
New words:
深（度）；纵深
/depθ/
n.
New words:
潜水；跳水；俯冲
/da v/
v. & n.
Complete the sentences with the information from the picture.
2a
A
D
C
B
11,000
About________metres deep
The deepest point in the ocean.
Mariana Trench
马里亚纳海沟
where the deep sea begins
why people are researching the deep sea
which Chinese vessel dived deeper in the water than many others
what deep-sea animals are like
how everyone should protect the deep sea
2b A class is asking a deep-sea researcher some questions after his talk.Listen and tick the topics they discuss.
Let’s check the answer
A. To find more fish for food.
B. Out of curiosity and because we don't know enough about the ocean floor.
C. To build underwater cities.
1.Why are many countries researching the deep sea
What is true about many deep-sea animals
A. They are all small and colorful.
B. Some are blind but can still "see," and some make their own light.
C. They all live near the surface of the ocean.
What surprising fact about the deep sea does Mr Jones mention
A. There are no living things at 11,000 meters deep.
B. There is rubbish even at 11,000 meters deep.
C. China's Fendouzhe is the only submersible to reach the deep sea.
Listen to the conversationand think about the questions below.
Listen for question words: where, why, which, what, how
Listen for names: Fenoduzhe (a Chinese vessel)
Listen for numbers: depths, years
Listening tips
Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions
Emma: I do! Why are so many countries____________the deep sea
Mr Jones: Well,_________is one reason. We don't know enough about the _________.
Fu Xing: I remember that in 2020, China's _________ __dived deeper into the Mariana Trench than many other vessels in the world and filmed 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_______ , but they can "see" as well as others. Some even create their own ______!
Peter: Cool! Are there any other surprising facts about the deep sea
Mr Jones: Did you know that there's_________even at__________metres deep That shocked many people.
Ms Gao: That's terrible! We should do something about it.
Mr Jones: You're right!
researching
curiosity
ocean floor
Fendouzhe
blind
light
rubbish
Listen to the conversation again and fill in the blanks
unusual
11,000
Work on 2C
Listen again. Complete the sentences with the facts from the conversation.
Post-listening
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 “sea”. Some can even create their own .
4. There is rubbish even at metres deep.
New words:
特别的；不寻常的
/ n ju u l/
adj.
2020
ocean floor
blind
light
11,000
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
What can you learn from this passage
1. What do Emma, Fu Xing and Peter’s questions tell us about asking good questions
Good questions come from listening carefully and wanting to know more. They often start with Why, What, How.
2.Why does Mr Jones mention “rubbish at 11,000 metres deep” What does this tell us about the deep sea
The deep sea is not only mysterious and amazing – it is also vulnerable. We should care about it even though it’s far away.
What can you learn from this passage
Why is the deep sea important
What threats does it face
3.What can we do
biodiversity, climate, unknown resources
rubbish, mining, pollution
reduce plastic, support ocean protection
Summary: What kind of learners are Emma, Fu Xing and Peter
Student What they do What we can learn
Emma Asks about reasons Be curious about why
Fu Xing Shares what he knows, then asks for more Connect old and new knowledge
Peter Asks for more surprising facts Always want to go deeper
2d 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 the deep sea important to us
What is the bottom of the deep sea like
What other vessels dived to the bottom of the ocean
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
What is the bottom of the deep sea like
Why is it important to research the deep sea
在……的底部
2d
A: What is the largest shark in the deep sea
B: The largest shark that ever lived was the megalodon.
It was about 20 metres long.
But it is extinct now.
A: What is the largest shark in the deep sea
B: The largest shark alive today is the whale shark.
But it doesn't live in the deep sea.
In the deep sea, sharks are usually smaller, like the frilled shark.
A: What is the bottom of the deep sea like
A: What other vessels dived to the bottom of the ocean
.
A: Why is the deep sea important to us
B: It's very dark and cold.
The bottom is covered with soft mud.
There are mountains, volcanoes, and deep trenches.
B: In 1960, the Trieste went to the bottom of the Mariana Trench.
In 2012, James Cameron went there alone in the Deepsea Challenger.
In 2020, China's Fendouzhe also reached the bottom
B: It helps control the Earth's temperature.
It is home to many animals we haven't discovered yet.
And it gives us food and maybe new medicines.
Think about...
Animals: What other strange creatures live there
Environment: How cold is it How much pressure
Exploration: How do scientists study the deep sea
Protection: What can we do to help
What can we do to protect the deep sea
Let’s share
“To save the earth is to save ourselves!”
Language
points
07
wonder
想知道 v.
奇观；奇迹 n.
惊讶；惊叹 n.
1. The Wonders of Nature 自然奇观 (教材 P31 单元标题)
The Grand Canyon is one of the natural wonders of the world.科罗拉多大峡谷是世界自然奇观之一。
2. 416 metres below sea level 低于海平面416米。(教材 P32 1b)
(1)[介词]
①(地方或位置)在(或到)……下面
At over 152 metres below the surface of the water, the daylight is almost gone. 在水面以下超过152米的地方,日光几乎消失了。
below prep. & adv.在 (……)下面；低于
The temperature in our hometown usually drops below zero in winter. 我们家乡的气温在冬天通常会降到零度以下。
For further information on tomorrow’s weather, call the hotline below. 如欲查询明天的天气情况，请拨打以下热线 。
(2)[副词]在(或到)下面
②(数量、水平等)少于；低于
below
under
表示在某物的下方，但不一定是在正下方。
表示在某物的正下方。
反义词:above
反义词:over
(1)高度
level n. 高度；水平；程度
As long as we keep working, we will achieve higher levels. 只要我们继续努力，我们会达到更高的水平。
The level of salt in his diet was too high. 他饮食中盐的含量过高。
The mountain is about 8,000 metres above sea level. 这座山的海拔大约为8 000米。
(2)水平；程度 常与介词of连用。
3. Why people are researching the deep sea人们为什么要研究深海 (教材 P33 2b)
research v.& n. 研究；调查
(1)[动词]研究；调查
She spent several months researching the subject.她花了几个月的时间研究这个主题。
Though scientists have done much research on the brain, there’s still a lot to do. 尽管科学家们已经对大脑进行了大量研究，但要做的仍有很多。
(2)[不可数名词]研究；调查
do research (on/into sth.) 进行(关于某方面的)研究/调查
由“ un-( 否定前缀) +usual(adj. 通常的) ”构成。unusual的发音以元音音素开头，其前有不定冠词时，应用an。
4. Some animals have unusual abilities. 有些动物拥有非凡的能力。(教材 P33 2c)
unusual adj. 特别的；不寻常的
Tan Dun is an unusual man with great musical talent. 谭盾是一个与众不同的人，他有着非凡的音乐天赋。
It’s unusual for the trees to flower so early. 这种树这么早开花很少见。
usual adj.
通常的；平常的
usually adv.
通常地；平常地
unusually adv.
不寻常地
unusual adj.
不寻常的
反义词
反义词
Summary
08
Words:
1. wonder n. 奇观；惊叹 v. 琢磨；想知道；感到诧异—
wonderful adj. 精彩的；绝妙的
2. measure v. 测量；量度为—measurement n. 数量；测量
3. deep adj. 深的；有……深的—depth n. 深(度)；纵深
4. research v. & n. 研究；调查—researcher n. 研究者
5. usual adj. 通常的—unusual adj. 特别的；不寻常的—
usually adv.通常地
Phrases:
1. on earth 在地球上
2. square kilometre 平方千米
3. below/above sea level 低于/高于海平面
4. dive into the deep sea 潜入深海
5. the bottom of …… 的底部
一、用括号内所给单词的适当形式填空。
1.Hangzhou is a __________（wonder） place to take a trip. I’m sure you
will fall in love with it.
2.I’m very interested in the Mariana Trench. Can you tell me its ______
（deep） first
3.My whole family watched the 9th Asian Winter Games in Harbin and it
was a（n） ________（usual） experience. We will never forget it.
wonderful
depth
unusual
4.Different _______（desert） around the world have their own special
kinds of plants and animals.
5.My brother is good at _______（dive） and my sister does well in
swimming.
deserts
diving
二、用方框中所给单词的适当形式填空。
surface below measure level bottom
6.The big lake is so clear that we are able to see its _______.
7.I looked out of the plane，but I couldn’t see anything _______.
8.The _______ of the peaceful lake is really like a mirror.
9.The club provides（提供） English classes for students of different
______.
10.This app makes the ____________ of distances between two places very
easy.
bottom
below
surface
levels
measurement
三、根据汉语意思完成句子，每空一词。
11.大连是中国一个美丽的城市。它有12000多平方千米。
Dalian is a beautiful city in China. It is over 12,000 _______ __________.
square
kilometres
12.公园里的这条河有三米多深。
The river in the park is over 3 _______ _____.
metres
deep
13.虽然海洋中有各种各样的动物，但也存在大量垃圾。
Though there are different kinds of animals ___ ____ ______,there is also
a lot of rubbish.
in
the
ocean
14.珠穆朗玛峰是世界上最高的山。
Mount Qomolangma is ____ _______ _________ in the world.
the
highest
mountain
15.一些近海平面的城市正努力修建绿色防护墙，以抵御洪水侵袭。
Some cities near ____ ______ are working hard to build green walls
against floods.
sea
level
For all ：Research one deep-sea animal and write 3 sentences about it. (应用实践)
For some：
1.Find the answer to one question you asked today. (迁移创新)
2.Design a poster: "Protect the Deep Sea" with one fact and one slogan. (综合创造)
Homework

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