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(共29张PPT)
UNIT 4
The Wonders of Nature
Section A 2a-2d
01
02
03
通过听、说、读等方式，获取并正确认读关于深海探索、河流特征等主题词汇，感知自然奇观相关词汇用法。
与同伴合理接续对话，运用比较级和最高级，大数字以及跨学科知识交流中外地理知识。
通过听力捕捉、对话分析，获取文本中关于深海深度划分、河流长度与重要性的关键信息，归纳并内化询问与介绍自然奇观的常用表达。
Learning objectives
04
理解海洋和河流对国家文明的形成和发展的历史作用，正确看待人与自然的关系，树立环保意识，坚定文化自信。
Look and say
What place do these photos show us
Mariana Trench
Lead in
Have you ever been curious about the deep sea
What’s the deep sea like
What’s in the deep sea
Can we go down into the deep sea
11,000
About________metres deep
The deepest point in the ocean.
Mariana Trench
马里亚纳海沟
、
Fendouzhe 奋斗者号，是中国自主研发的万米载人潜水器，于2016年立项，由蛟龙号、深海勇士号载人潜水器的研发力量为主的科研团队承担 。2020年6月19日，中国万米载人潜水器正式命名为“奋斗者号” 。
2020年10月27日，奋斗者号在马里亚纳海沟成功下潜突破1万米达到10058米，创造了中国载人深潜的新纪录。11月10日8时12分，奋斗者号在马里亚纳海沟成功坐底，坐底深度10909米，刷新中国载人深潜的新纪录。2021年10月，“奋斗者”号已在马里亚纳海沟正式投入常规科考应用。
Background
What do you know about the deep sea Let’s follow Fendouzhe to explore.
What do you know about the deep sea Try to label标注 the depths in the picture with the information on the left.
2a
A. Depth Fendouzhe
reached
B. Depth at which the deep
sea begins
C. Depth at which the
Titanic rests
D. Deepest dive of a whale
Pre- listening
200 metres
over 2,000 metres
3,800 metres
10,909 metres
deep adj.深的；深色的；深厚的
deeply adv. 很；非常；深刻地
deepen v.加深；变糟
depth /depθ/n.深度 in depth深入地
the depth of... ……的深度
titanic adj. 巨大的；极重要的
Titanic n.泰坦尼克号
dive v.潜水；跳水；俯冲
dive into潜入；投入
dive from从......跳水
dive to潜到
、
2a
What do you know about the deep sea Complete the sentences with the information from the picture.
1. Fendouzhe
reached ____.
2. The deep sea
begins at ____.
3. The Titanic
rests at ____.
4. A whale can
dive to ____.
v. & n. 潜水；跳水；俯冲
B
D
C
A
通常认为，深度超过 2,00 米 的海域属于深海区域。在这一深度以下，光照几乎消失，水压极大，环境与浅海截然不同，孕育着许多适应极端环境的特殊生物，也有着独特的地质结构。
有些鲸鱼，例如柯氏喙鲸，能够下潜到深海区域，其最深下潜记录可达约 2,992 米 。鲸鱼的这种深潜能力是为了觅食等生存需求，它们在深海的活动也反映了深海生态系统中生物的多样性和适应性。
著名的泰坦尼克号邮轮在 1912 年沉没于北大西洋，其残骸位于约 3,800 米 的深海处。这一深度的海底环境使得泰坦尼克号的残骸保存状况具有独特的研究价值，也让人们对其沉没的历史事件有了更多的探索线索。
“奋斗者” 号是中国自主研发的全海深载人潜水器，它成功下潜至马里亚纳海沟 10,909 米 处，这一深度彰显了中国在深海探测领域的先进技术，也为人类探索深海奥秘、开展深海科学研究提供了重要支撑。
Talk about the facts you know about the deep sea
2b
A class is asking a deep-sea researcher some questions after his talk.
…
What questions will the class ask
□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/潜水艇
2b
Which Chinese submersible dived the deepest
A class is asking a deep-sea researcher some questions after his talk. Listen and tick the topics they discuss.
Listen again and check your answers.
Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions
Emma: I do! Why are so many countries researching the deep sea
Mr Jones: Well, curiosity is one reason. We don’t know enough about the ocean floor.
Fu Xing: I remember that in 2020, China’s Fendouzhe dived deeper into the Mariana Trench than many other submersibles 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 unusual. Some animals are blind, but they can “see” as well as others. Some even create their own light!
Peter: Cool! Are there any other surprising facts about the deep sea
Mr Jones: Did you know that there’s rubbish even at 11,000 metres deep That shocked many people.
Ms Gao: That’s terrible! We should do something about it.
Mr Jones: You’re right!
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.
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.
2020
ocean floor
blind
light
11,000
/ n ju u l/ adj. 不寻常的
2c
、
Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions
Emma: I do! Why are so many countries ______________________
Mr Jones: Well, ________ is one reason. We don't know enough about the ocean floor.
Fu Xing: I remember that in 2020, China's Fendouzhe _______________ the MarianaTrench than many other submersibles in the world and filmed it. But I didn't see any deep-sea animals. What are they like
Listen again and fill in the blanks.
researching the deep sea
curiosity
dived deeper into
感谢琼斯先生的精彩演讲。
为什么如此多的国家都在研究深海？
海底
中国的奋斗者号在马里亚纳海沟下潜得比世界上许多潜水器都神，还拍摄了影像
“形容词 / 副词比较级 + than”表示两者（人或事物）的比较。
(1) Why are people researching the deep sea
___________ is one reason.
People still don’t know much about the ocean floor.
(2) Which Chinese submersible dived deeper in the water than many others
China’s Fendouzhe dived into the deep sea and filmed ________________.
(3) What deep-sea animals are like
Some animals have unusual abilities. Some are blind but can “see”.
Some can even create their own light.
(4) _______________________________________________
There is rubbish even at 11,000 metres deep.
Curiosity
the Mariana Trench
What are some other surprising facts about the deep sea
Listen again and find more information.
2c
、
Mr Jones: Well, many deep-sea animals are ____________________. Some animals are blind, but they can "see" as well as others. Some even __________________!
Peter: Cool! Are there any other surprising facts about the deep sea
Mr Jones: Did you know that there's rubbish even at 11,000 metres deep That ________ many people.
Ms Gao: That's terrible! We should do something about it.
Mr Jones: You're right!
large and unusual
create their own light
shocked
有些动物没有视力，却能和其他动物一样“感知”周围。
自己发光
感到震惊
“as + 形容词或副词原形 + as”为同级比较，表示两者在某一方面相同。
any other + 名词复数，表示“还有其他……吗？”
as well as 表示“和……一样好”
What kind of learners are Emma, Fu Xing and Peter
Student What they do What we can learn
Emma
Fu Xing
Peter
Further thinking
Asks about reasons
Be curious about why
Shares what he knows, then asks for more
Connect old and new knowledge
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.
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
……的底部
Biology and Ecology
Exploration and Technology
Environment and Protection
Research value
生物与生态
探索与技术
环境与保护
研究价值
How should everyone protect the deep sea
The deep sea is home to countless amazing creatures.
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
Ask and answer.
What is the largest shark in the deep sea
It’s the whale shark.
鲸鲨是隶属于鲸鲨科鲸鲨属的唯一物种。别名豆腐鲨、大憨鲨、鲸鲛，它体表呈灰褐色或青褐色，具有许多黄色斑点和横纹。头平扁而宽，尾细小，每侧具2行纵行皮嵴。鲸鲨口裂宽大，圆形的眼睛较小，无瞬膜。具5个宽大的鳃孔和2个无硬棘的背鳍。胸鳍宽大，尾鳍分叉。其通常体长为10米左右，最大可达20米，体重大于5000千克，是世界上最大的鱼类。
What is the bottom of the deep sea like
There is extreme pressure, perpetual darkness, near-freezing temperatures and sparse life.
海底指海洋的深水下方与陆地的接触面，覆盖地球表面积的71%，其水体总量约13.5亿立方千米，占地球总水量的97%。包含太平洋、大西洋、印度洋和北冰洋四大洋系及多个附属海域。海底地形分为大陆边缘、大洋中脊与大洋盆地三部分，其中大陆架面积达2750万平方公里，提供全球80%的海洋水产品及大量油气资源。
Summary
Deep ocean
Research reason
China’s Fendouzhe
deep-sea animals
environment
(生态环境)
the appearance (样貌) of the ocean floor
2c
Some animals have unusual abilities …
〔形容词〕特别的；不寻常的；罕见的
The coach has an unusual name. 这个教练有个特别的名字。
It’s unusual to see a rainbow in the desert. 在沙漠里看到彩虹是很罕见的。
拓展
unusual
的相关词：
usual adj.
通常的；寻常的
（反义词）unusual adj.
特别的；不寻常的；罕见的
usually adv. 通常地；一般地
2d
What is the bottom of the deep sea like
〔名词〕底部；最下部 对应词：top 顶部；顶端
(at) the bottom of（在）……的底部
from top to bottom 从上到下；彻底地
搭配
What is there at the bottom of the deep sea 深海底部有什么？
They cleaned the house from top to bottom before the Spring Festival.
春节前，他们把房子彻底打扫了一遍。
1. The scientists will ______ (潜水) into the deep sea to study the unusual
creatures.
2. We still don't know the exact ______ (深度) of some parts of the ocean.
3. The ________ (deep) part of the ocean is about 11,000 metres.
4. Some deep-sea animals look _________ (usual) and even scary.
5. The _______ (bottom) of the sea is dark and quiet.
dive
depth
deepest
unusual
bottom
一、根据括号内提示拼写单词
当堂检测
1. 这个公园真的是个自然奇观。
The park is really a ________ ________.
2. 这条河大约5米深。
This river is about ________ ________ ________.
3. 科学家在湖的底部发现了一些奇怪的生物。
The scientists found some strange living things ________ ________ ________ ________ the lake.
二、完成句子
natural wonder
five metres deep
at the
bottom of
Homework
1. Memorize the new words and phrases.
2. Write the facts you know about the sea.

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