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Unit 4 The Wonders of Nature
Section A 2a–2d
Think and share.
What’s the highest mountain in the world How high is it
Where’s the deepest point in the ocean How deep is it
What else do you know about the deep sea
It’s Mount Qomolangma and it’s 8,848.86 metres high.
It’s in the Mariana Trench and it’s about 11,000 metres deep.
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Look and share
Do you know the name of the waterfall in the photo
It’s Victoria Falls.
What do you think is special about it
Large and wide
on the Zambezi River(赞比西河) , between Zambia (赞比亚) and Zimbabwe(津巴布韦) in southern Africa
one of Africa’s largest waterfalls, about 1,700 meters wide and up to 108 meters high.
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Look and share
What other natural wonders do you know
/ n t r l w nd z/
Natural wonders are amazing, unique things made by nature (not humans). They are often very big, beautiful, or special.
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____Nile River ____Angel Falls ____Mount Qomolangma
____Dead sea ____Sahara Desert ____Mariana Trench
Match the places with the pictures.
1a
F
A
D
C
E
B
马里亚纳海沟
安赫尔瀑布
尼罗河
B
E
C
F
D
A
below the sea level
珠穆朗玛峰
死海
撒哈拉沙漠
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Pre-listening
Today let’s join a game show. I’m the host.
Can you guess what it is about
Geography
challenge
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Place Description
Mount Qomolangma the ________________in the world
Sahara Desert the in the world
Dead Sea the on earth
Mariana Trench the ________________in the ocean
highest mountain
biggest desert
lowest place
deepest point
Listen to the game plete the descriptions of the places.
1b
What do you know about these wonders
How high is Mount Qomolangma
8,848.86
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Do you know how to read the words
Let’s review
416 8,848.86 11,000 9,000,000
Let’s read the numbers!
大数字读法：
从____往____，_____位一截
每截都按三位数读
截完加单位：___________/ _______/________
______ 用在百十间
右
左
三
and
thousand
million
billion
大数字读法：从右往左数，每三位为一个区间用逗号隔开，分别读thousand千（4位数）,million百万（七位数）,billion十亿（10位数）;百位和十位之间and连接，小数点读point.
英语中没有万、亿
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8,848.86
Do you know how to read the large numbers
Let’s learn
thousand
point
eight six
and
8,848.86: eight thousand,eight hundred and forty-eight point eight six
416
11,000
9,000,000
million
four hundred and sixteen
eleven thousand
nine million
Let’s read the numbers!
416 8,848.86 11,000 9,000,000
416
三位数
读法
four hundred and sixteen
367
three hundred and sixty seven
five hundred and nine
509
________________________________________________
三位数：百位数字 + hundred + and + 十位和个位（十位若是0，直接读个位）
416 8,848.86 11,000 9,000,000
8,848.86
四位数
读法
thousand
eight hundred and forty-eight
point
eight six
小数部分逐个读出每个数字
读法：eight thousand eight hundred and forty - eight point eight six
Let’s read the numbers!
416 8,848.86 11,000 9,000,000
四位数
读法
5,961.37
five thousand, nine hundred and sixty-one ，point three seven
四位数：千位数 + thousand + 后面三位数（小数部分逐个读出数字）
Let’s read the numbers!
416 8,848.86 11,000 9,000,000
五位数读法
11,000
eleven thousand
259,613
two hundred and fifty-nine thousand ，six hundred and thirteen
Let’s read the numbers!
六位数读法
9,000,000
nine million
七位数读法
million
thousand
十位数读法
9,876,543,200
thousand
千
million
百万
billion
十亿
从左往右，第一个逗号读thousand,第二个逗号读million,第三个逗号读billion。
nine billion,eight hundred and seventy-six million,
five hundred and forty-three thousand,two hundred
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Listen again. Complete the measurements.
1c
Place Measurement
Mount Qomolangma ________metres high
Sahara Desert about ________ square kilometres in size
Dead Sea ________metres below sea level
Mariana Trench about________metres deep
8,848.86
9,000,000
416
11,000
Learning tip:
长、宽、高、深、面积的表达方法: 基数词 + 单位词 + 形容词（long, wide, high, deep等）/介词短语（in size, below sea level等）
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Host: Welcome to our game show! Today, it's all about geography. Answer as quickly as you can! Question one: ________________________ in the world
Fu Xing: It's Mount Qomolangma!
Host: Correct! ________________
Lin Hongyu: I know this—it's 8,848.43 metres high.
Host: No, sorry. Fu Xing
Fu Xing: Is it 8,848.86 metres
Host: Yes! But some scientists say Qomolangma is still growing taller! Now, ________________________ in the world.
Fu Xing: The Taklimakan Desert
Host: Wrong! Ella
Listen and fill
What is the highest mountain
How high is it
name the biggest desert
What questions did the host ask
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Ella: The Sahara Desert.
Host: Right! Now, ______________
Ella: It's about 9,000,000 square kilometres.
Host: That's right! ______________________on earth
Lin Hongyu: It's the Dead Sea!
Host: Well done! Its surface is 416 metres below sea level. Now ___________________________ in the ocean
Fu Xing: It's in the Mariana Trench.
Host: That's correct! _________________
Fu Xing: It's about 11,000 metres deep.
Host: Correct!
how big is it
What's the lowest place
where's the deepest point
How deep is it
Listen and fill
-What is the highest/biggest/lowest/deepest...in the world/ on earth/in the ocean 、、、的最、、、
-It’s...
-How high/big/deep/long is it 有多高/大/深？
-It’s about.../ Its surface is... 大约是、、、
Pair-work
Talk about the places you have learnt about.
1d
8,848.86
9,000,000
416
11,000
6,650 kilometers long
979.6 meters high
A: What's the lowest place on earth
B: It's ...
A: How low is it
B: Its surface is ... metres below sea level.
A: Now, what's ...
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You all did a great job in geography challenges!
Here comes a deep-sea researcher. Let’s welcome and learn more!
Are you interested in the world in the deep sea Let’s have a look!
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strange fish
What do you know about the deep sea
submarines can reach
Let’s share
cold
dark
/ s bm rinz/
Fendouzhe is China's manned deep-sea submersible, which reached a depth that set a new record for China's deep-sea diving.
Complete the sentences with the information from the picture.
Do you have any questions
(1) Fendouzhe
reached ____.
(2) The deep sea
　 begins at ____.
(3) The Titanic
　 rests at ____.
(4) A whale can
　 dive to ____.
Depth of the
Mariana Trench
D
A
C
B
A class is asking a deep-sea researcher some questions after his talk. Guess 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
deep-sea researcher
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 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.
deep sea / ocean floor
Listening tip
Find the key words. When you hear them, pay close
attention — the answer is usually nearby.
2020
blind
light
11,000
Why is it important to research the deep sea
Think further.
Curiosity: It is the largest part on earth, and we still don’t know much about it.
Amazing Life: It is home to unusual animals.
Protection: Human activities affect everywhere. We should do something about it and protect our home.
…
12. Think of more questions you would like to ask the deep-sea researcher.
Talk about reasons:
Why ...
Talk about features (特征) :
What are ... like
Ask for more information and give an answer:
Which ... / What is the ...
Are there any other … about ...
What else ...
Ask for opinions:
What do you think of ...
What should we do
Language bank
13. Suppose you are at a geography lecture, think of more you would like to ask
the deep-sea researcher. Make up a conversation with your group members.
Ask and answer geography facts
Section A What is amazing about nature
Talk about reasons:
Why ...
... is one reason. Because ...
Talk about features (特征) :
What are ... like
... are / can ...
Ask for more information and give an answer:
Are there any other ... about ...
What else ...
There is / are ...
Ask for opinions:
What do you think of ...
What should we do
I think ...
We should ...
Talk about natural wonders:
What is the ... in the world It’s ...
How ... is it It’s ...
Host:　　 Thank you for the wonderful
　　　　 talk. Now, does anyone have
　　　　 any questions
Student 1: I do! Why ...
Student 2: ... is one reason. Because …
　　　　　　　　
Student 3: What are ... like ...
(Researcher)
Checklist
Talking about geography facts
Content (内容) □ Ask questions about different aspects (方面) of the topic □ Share geography facts □ Summarize key points ☆☆☆
Language (语言) □ Use wh- questions to ask about geography facts □ Use superlatives to describe geography facts □ Use adjectives to express feelings and add details ☆☆☆
Performance (表现) □ Pronounce correctly, speak loudly and confidently ☆☆☆
14. Evaluate with the following checklist.
Homework
1. Research the answers for the questions in 2d.
What is the largest shark in the deep sea
What is the bottom of the deep sea like
2. Organize and practise your conversation with your partner.

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