资源简介

(共43张PPT)
Unit 4
The Wonders of Nature
UNIT
4
In this unit, you will
1. talk about geography facts about natural wonders.
2. compare facts about famous places.
3. share geography facts using large numbers.
4. explore how and why people connect with nature.
Look at the title and the photo.
What do you think this unit will talk about
How do we connect with nature
BIG
Question

The Wonders of Nature
Do you know the name of the waterfall in the photo
2. What do you think is special about it
The waterfall in the photo is Victoria Falls on the Zambezi River.
I think it is a very big and wide waterfall.
3. What other natural wonders do you know
There are many amazing natural wonders in China, including the magnificent Mount Huangshan, Zhangye Danxia Landform (Gansu), and Huangguoshu Waterfall (Guizhou), amongst many others.
Victoria Falls is one of the largest waterfalls in the world, named after the British Queen Victoria, with a width of over 1,700 metres.
How do we connect with nature
BIG
Question

respect nature
learn about nature
enjoy nature
protect nature
…
Section A What is amazing about nature
(1a — 2d)
能够判断听力对话的场景和人物的身份，并理解对话的主题及谈到的自然奇观。
能够听辨出描述不同“地理之最”的形容词最高级和大数字，在语境中巩固形容词最高级的用法，并熟悉大数字的表达法。
能够模仿听力录音，与同伴就地理之最的话题开展对话，并尝试用大数字准确描述这些自然景观的面积、高度、深度等。
能够丰富对世界地理的认知，利用跨学科知识助力英语学习。
(1a-1d)
能够读懂信息图，理解其中符号、图标、数字传递的信息，并用英语描述图中涉及的信息。
能够理解听力对话的场景和说话人的身份，并梳理讲座后问答环节中涉及的问题,把握对话的核心内容。
能够通过精听把握对话中的细节信息，学会抓取关键词。
能够通过学习听力对话，对深海探索的相关知识产生兴趣，主动思考并提出问题在此基础上深入探究，进一步认识深海研究的重要性。
(2a-2d)
What can you see in the pictures
Which one is the highest / biggest / lowest / deepest
Match the places with the pictures.
___ Nile River ____ Angel Falls ____ Mount Qomolangma
___ Dead Sea ____ Sahara Desert ____ Mariana Trench
F
A
D
C
E
B
珠穆朗玛峰
马里亚纳海沟
安赫尔瀑布
英文数字读写规则
三位数及以内的数字直接按数字本身进行读写;
三位数以上的数字从右往左，每三位用逗号分隔，形成分级单位，依次为千(thousand)、百万(milion)、十亿(biion)等。
读百位及以内的数字时，通常会在百位和十位之间加一个and ;但在千位和百万位之间、百万位和十亿位之间不需要加and。
小数点后无论有多少位数，中间都不插入逗号。小数点读作point，其后各位数字(包括0)需要逐个读出。
Learn to read the numbers.
48
848
8,848
8,848.86
forty-eight
eight hundred and forty-eight
eight thousand eight hundred and forty-eight
eight thousand eight hundred and forty-eight point eight six
90
900
9,000
900,000
9,000,000
ninety
nine hundred
nine thousand
nine million
nine hundred thousand
形容词最高级的构成和用法
不规则变化
high → highest, big → biggest (双写), deep → deepest
规则变化
e.g. Mount Qomolangma is the highest mountain in the
world.
good → best, bad → worst
T: What can you see in the picture
S: It’s Angel Falls.
T: How high is it
S: It’s about 979 metres high.
T: What is special about it
S: It is the highest waterfall in the
world.
Place Description Measurement
Mount Qomolangma the________ in the world __________ metres high
Sahara Desert the _______ in the world about ____________ square kilometres in size
Dead Sea the _____________ on earth _______ metres below sea level
Mariana Trench the _____________in the ocean about ________ metres deep
Listen to the game plete the descriptions of the places.
听前关注表头信息（Place, Description, Measurement），大数字和形容词的最高级。
highest
8848.86
biggest
9,000,000
lowest place
416
deepest point
11,000
Listen again. Complete the measurements in 1b with the numbers below.
four hundred and sixteen
416
nine million
eight thousand, eight hundred and forty-eight point eight six
416 8,848.86 11,000 9,000,000
8,848.86
11,000
9,000,000
eleven thousand
Comprehension check.
1. Mount Qomolangma is the highest mountain.
2. It is 8,848.43 metres high.
3. The Sahara Desert is the biggest desert.
4. The Dead Sea is 416 metres above sea level.
5. The Mariana Trench is about 11,000 metres deep.
T
F
T
F
T
Host: Welcome to our game show! Today, it’s all about geography. Answer
as quickly as you can! Question one: What is the ________ mountain
in the world
Fu Xing: It’s Mount Qomolangma!
Host: Correct! How high is it
Liu Hongyu: I know this — it’s 8,848.43 metres high.
Host: No, sorry. Fu Xing
Fu Xing: Is it _________ metres
Host: Yes! But some scientists say Qomolangma is still growing taller! Now,
name the _____________ in the world.
Fu Xing: The Taklimakan Desert
Listen again and fill in the blanks.
8,848.86
highest
biggest desert
对话中多次出现形容词最高级，构成：形容词原级 + -est(high → highest)，或前面加 the most (the most beautiful)
the lowest
Host: Wrong! Ella
Ella: It’s the Sahara Desert.
Host: Right! Now, how big is it
Ella: It’s about __________ square kilometres.
Host: That’s right! What’s __________ place on earth
Liu Hongyu: It’s the Dead Sea!
Host: Well done! Its surface is 416 metres below sea level. Now where’s the
_________ point in the ocean
Fu Xing: It’s in the Mariana Trench.
Host: That’s correct! How deep is it
Fu Xing: It’s about ________ metres deep.
Host: Correct!
9,000,000
deepest
11,000
在海平面以下
在海洋里
高度：It’s 8.848.86 metres high.
面积：It’s about 9,000,000 square kilometres in size.
低于海平面：It’s 416 metres below sea level.
深度：It’s about 11,000 metres deep.
Description Mountain River Sea / Lake Desert
Feature height length depth area
Most
Least
highest / tallest
smallest
longest
shortest
deepest
shallowest
biggest
smallest
Talk about the places you have learnt about.
What’s the lowest place on earth
It’s …
How low is it
Now, what’s …
Its surface is … metres below sea level.
What’s the lowest place on earth
It’s the Dead Sea.
How low is it
Now, what’s the deepest point in the ocean
Its surface is 416 metres below sea level.
It’s in the Mariana Trench.
How deep is it
It’s about 11,000 metres deep.
Work with your partner and talk about the following questions.
What is the largest island on earth
What is the longest river in China
What is the biggest / smallest country in the world
What is the deepest trench in the ocean
What is the biggest desert in Africa
What can we find in the deep sea
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 ____.
A
B
C
D
What is the conversation about
What does “submersible” mean
A class is asking a deep-sea researcher some questions after his talk. Listen and tick the topics they discuss.
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
□
□
□
□
□
Listen to the conversation and fill in the blanks.
Name Question Answer
Emma Why are people researching the deep sea _________ is one reason.
Fu Xing What are deep-sea animals like Many are _______ and ________. Some are blind. Some even create their own light!
Peter Are there any other surprising facts about the deep sea There’s _________ even at 11,000 metres deep.
Curiosity
large
unusual
rubbish
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.
ocean floor / deep sea
2020
blind
light
11,000
Listen again. Complete the following true or false questions.
Mr Jones said curiosity is the only reason for researching the deep sea.
Fu Xing didn't see any deep-sea animals when Fendouzhe filmed the Mariana Trench.
Mr Jones thought deep-sea rubbish is not a big problem.
Ms Gao said people should do something about deep-sea rubbish.
F
T
F
T
Listen again. Complete the following sentences.
In 2020, China’s Fendouzhe dived __________ into the Mariana Trench than many other submersibles in the world and filmed it.
Some animals are blind, but they can “see” _________ others.
There’s rubbish even at ________ metres deep in the ocean.
deeper
as well as
11,000
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
for + 名词或动名词，表示感谢的原因
形容词/副词比较级 + than，表示“比……更……”
many other 表示“许多其他的”，强调对比
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!
as well as 表示“和……一样好”
any other + 名词复数，表示“还有其他……吗？”
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
The largest shark in the deep sea is the Greenland shark. It’s also the longest-lived shark. Some can be over 400 years old.
What is the largest shark in the deep sea
What is the bottom of the deep sea like
The bottom of the deep sea is very dark and very cold. There is extreme pressure from the weight of the water above.
Why is it important to research the deep sea
Because it helps us find new living things, keeps our planet healthy, gives us useful stuff like medicine, and teaches us about Earth’s past.
I can
判断听力对话的场景和人物的身份，并理解对话的主题及谈到的自然奇观。
听辨出描述不同“地理之最”的形容词最高级和大数字，在语境中巩固形容词最高级的用法，并熟悉大数字的表达法。
模仿听力录音，与同伴就地理之最的话题开展对话，并尝试用大数字准确描述这些自然景观的面积、高度、深度等。
丰富对世界地理的认知，利用跨学科知识助力英语学习。
I can
读懂信息图，理解其中符号、图标、数字传递的信息，并用英语描述图中涉及的信息。
理解听力对话的场景和说话人的身份，并梳理讲座后问答环节中涉及的问题,把握对话的核心内容。
通过精听把握对话中的细节信息，学会抓取关键词。
通过学习听力对话，对深海探索的相关知识产生兴趣，主动思考并提出问题在此基础上深入探究，进一步认识深海研究的重要性。
上网查找一个“中国之最”（如最高建筑、最长河流），用英文写三句话介绍。
预习3a-3d和生词。
复习形容词最高级和数字的表达法及本课词汇对话。(共17张PPT)
1. The wonders of nature 自然奇观
wonder v. 表示“想要知道”，相当于want to know
表示“感到惊异；感到疑惑”，wonder at / about
e.g. I wonder how James came so quickly.
Sometimes I wonder about / at my brother’s behaviour (行为).
wonder n. “惊奇”，是不可数名词
“奇迹”，是可数名词
e.g. There was a look of wonder in the little boy’s eyes.
The Great Wall is one of the seven wonders of the world.
【语境应用】请根据汉语意思完成英语句子，每空一词。
1. 妈妈想知道孩子们在干什么。
Mom __________ __________ the children were doing.
2. 我对你做这样的事感到惊异。
I wondered __________ your doing such a thing.
3. 计算机是现代科技的奇迹之一。
Computer is __________ __________ __________ __________
of modern science.
wondered what
about / at
one of the wonders
2.
8,848.86 metres high 8848.86米高
表示“长宽高”时，“基数词+表示度量的名词(metre, kilometre等) + 形容词(long, wide, high等)”
基数词大于1，度量词用复数
e.g. The river is about 20 metres wide.
这条河大约20米宽。
The building is about 100 metres tall.
这座楼大约有100米高。
3. about 9,000,000 square kilometres in size
面积约900万平方千米
in size 在尺寸上；在大小方面
e.g. My bedroom is only 12 square metres in size.
我卧室的面积只有12平方米。
基数词+度量词+in size / length / height… 表示“事物的长宽高”等
e.g. The bridge is nearly 2 kilometres in length.
这座桥的长度接近2公里。
4. 416 metres below sea level 在海平面以下416米
below prep.&adv. 在……下面，低于，少于
e.g. He dived below the surface of the water.
他潜入了水中。
From the top of the mountain, I could see the village below.
从山顶上，我可以看到下面的村庄。
below & under
below 不强调垂直关系，只要位置低于某物即可，与above 相对
under 强调垂直下方的位置关系，与over相对
【语境应用】请选用below 或 under填空。
I usually put the basketball ________ the chair.
The Titanic now rests ________ the surface of the Atlantic Ocean.
under
below
level n. 高度；水平；程度
e.g. sea level 海平面
water level 水位
eye level 视线高度（与眼睛平行的高度）
high level 高水平
low level 低水平
His English is at a very high level.
他的英语水平很高。
5. Its surface is ... metres below sea level.
其表面在海平面以下……米。
surface n. 表面；表层
the surface of… ……的表面
e.g. the surface of the earth 地球表面
the surface of the water 水面
on the surface 在表面上
The surface of the lake was very calm.
湖面非常平静。
6. Ocean depths 海洋深度
depth n. 深(度)；纵深
at / to a depth of ... 在/到……的深度
the depths of ……的深处
in depth 深入地、详细地
e.g. People can find water at the depth of 10 metres here.
人们能在这里10米的深处找到水。
The swimming pool has a depth of 2 metres.
这个游泳池有2米深。
We discussed the problem in depth.
我们深入地讨论了这个问题。
7. A whale can dive to over 2,000 metres.
一头鲸鱼可以潜到超过2000米的深度。
dive n. 潜水；跳水；俯冲
e.g. She made a perfect dive from the board.
她从跳板上做了一个完美的跳水动作。
dive v. 潜水；跳水；俯冲
e.g. Look! The boy is going to dive into the pool.
看！那个男孩要跳进游泳池了。
go diving 去潜水
dive into 跳入……中，潜入
e.g. We want to go diving in the ocean.
我们想去海洋里潜水。
He dived into the river.
他跳进了河里。
8. Some animals have unusual abilities.
有些动物拥有非凡的能力。
unusual adj. 特别的；不寻常的
e.g. It is unusual to see snow in summer.
夏天看到雪是很罕见的。
This animal has an unusual shape.
这只动物的形状很奇特。
unusual 前面的不定冠词应用an。
9. What is the bottom of the deep sea like？
深海底部是什么样子？
bottom n. 底部；最下部
e.g. Sign your name at the bottom of the page.
在页面底部签上你的名字。
at the bottom of 在……的底部
e.g. They found a treasure chest at the bottom of the lake.
他们在湖底发现了一个宝藏箱。
e.g. Thank you from the bottom of my heart.
我由衷地感谢你。
from the bottom of my heart 发自内心地
bottom line 底线；最重要的事
e.g. The bottom line is that we need more time.
最重要的是我们需要更多的时间。
【语境应用】根据句意完成下列句子。
1. 我发自内心地感谢你的帮助。
I thank you __________________________________
for your help.
2. 最重要的是我们要按时完成作业。
The ______________ is that we need to finish our homework
on time.
3. 请在页面底部签上你的名字。
Please sign your name ________ the ________ of the page.
from the bottom of my heart
bottom line
at
bottom(共13张PPT)
wonder
n. 奇观；惊叹
v. 琢磨；想知道；感到诧异
the Seven Wonders of the World
世界七大奇观
I wonder what he is doing now.
我想知道他现在在做什么。
no wonder + 句子 “难怪……”
No wonder you're tired — you stayed up late last night.
难怪你累，你昨晚熬夜了。
wonderful
adj. 精彩的；极好的
desert
n. 沙漠；荒原
The Sahara Desert is the largest desert in the world.
撒哈拉沙漠是世界上最大的沙漠。
take measurements
量尺寸
measurement system
测量系统
measurement
n. 数量；测量
构词：
measure (v. 测量) + -ment (名词后缀) → measurement
measure v. 测量
below
prep. & adv.
在（......）下面；低于
416 metres below sea level 低于海平面416米
below average
低于平均水平
反义词
above 在……上方
level
n. 高度；水平；程度
sea level 海平面
above sea level 海拔
below sea level 低于海平面
Students at this level need more challenging materials.
这个水平的学生需要更具挑战性的材料。
surface
n. 表面；表层
构词：
sur- (上，超) + face (脸，面) → 表面
on the surface
表面上；从外表看
surface area
表面积
surface water
地表水
depth
n. 深（度）；纵深
deep adj. 深的
deepen v. 加深；变深
Do you know the depth of this river
你知道这条河的深度吗？
at a depth of …
在……深处
in depth
深入地；详细地
dive
v. & n. 潜水；跳水；俯冲
diver n. 潜水员
diving n. 潜水运动；跳水运动
dive into the swimming pool跳进游泳池
go diving 去潜水
dive into …
跳入……；埋头于……
She dived into her homework right after school.
她一放学就埋头做作业。
submersible
n. 潜水艇
构词：
sub- (在……下面) + merse (浸入) + -ible (可……的) → 可潜入水下的
Scientists use a submersible to explore the deep ocean.
科学家使用潜水器探索深海。
unusual
adj. 特别的；不寻常的
构词：
un- (不) + usual (平常的) → 不平常的
It is unusual to see snow in this warm place.
在这个温暖的地方看到雪是很不寻常的。
bottom
n. 底部；最下部
The ship sank to the bottom of the sea.
船沉到了海底。
at the bottom of …
在……底部
from the bottom of my heart 发自内心地
bottom line
底线；最重要的因素

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