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(共40张PPT)
2. Whose birthday is it
Unit 4
The Wonders of Nature
人教版 英语（八年级下册）
Section A
1a-1d
2. Whose birthday is it
通过听、说、看等方式，获取并正确认读关于自然奇观的地理类词汇（如waterfall, desert, trench等），感知描述自然景观特征的词汇用法（如level, surface, depth等）（学习理解）
01
通过听力捕捉、对话练习，获取文本中自然奇观的维度、规模等关键信息，归纳并内化用大数描述事物特征、问答自然奇观相关信息的常用表达（如...is the highest in the world, It’s...metres high/deep）（应用实践）
02
通过讨论和合作交流，理解自然奇观的独特价值，能够主动分享自己熟知的自然奇观信息，并认同探索和保护自然的重要性。 （迁移创新）
03
学习目标
1.Do you know the name of the waterfall in the photo
The waterfall in the photo is Victoria Falls.
It’s special for its immense width (about 1,708 meters) and height (about 108 meters), creating a breathtaking scene.
2.What do you think is special about it
3.What other natural wonders do you know
Examples: Mount Huangshan, Huangguoshu Waterfall, Zhangye Danxia Landform.
Look and share
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.
2. Whose birthday is it
01 情景导入
Scenario import
Let’s watch
and think.
Let’s know about the top of the world.
Warming-up
2. Whose birthday is it
02 学习理解
Learning to understand
What is the highest mountain in the world
Mount Qomolangma 珠穆朗玛峰
Mount Qomolangma is the_______mountain in the world.
highest
How high is it
It is 8,844.43 meters high.
eight thousand, eight hundred
and forty-four, point four three
珠穆朗玛峰:简称珠峰，是喜马拉雅山脉的主峰，同时是世界海拔最高的山峰，位于中国与尼泊尔边境线上，北部在中国西藏定日县境内（西坡在定日县扎西宗乡，东坡在定日县曲当乡，有珠峰大本营），南部在尼泊尔境内，是世界最高峰，也是中国跨越四个县的珠穆朗玛峰自然保护区和尼泊尔国家公园的中心所在。
What is the longest river in the world
the Nile 尼罗河
The Nile is the_______ river in the world.
longest
How long is it
It is 6,671 kilometers long.
six thousand, six hundred
and seventy-one
尼罗河(Nile)是一条流经非洲东部与北部的河流，自南向北注入地中海。与中非地区的刚果河以及西非地区的尼日尔河并列非洲最大的三个河流系统。尼罗河长6670公里，是世界上最长的河流。
Nile River
the longest river in the world
Length: 6671 kilometers
the second longest river in the world
Length: 6400 kilometers
The Nile
The Amazon
length
(长度)
/le θ/
It’s ________ kilometers long.
6671
six thousand,
six hundred
and seventy-one
Dead sea
What is the lowest place on Earth
死海是世界上最低的湖泊，也是地球上盐分居第三位的水体。截至2019年，死海表面积为605平方千米。 死海的湖岸是地球上已露出陆地的最低点，湖面海拔-430.5米。湖最深处380.29米，最深处湖床海拔-800.112米，有“世界的肚脐”之称。
"There is a place where you CANNOT sink. You can read a newspaper while floating on your back!"
It’s _____metres below sea level.
416
sea level （海平面）
four hundred and sixteen
What is the biggest desert in the world
the Sahara 撒哈拉沙漠
Sahara Desert is the _______ desert in the world.
biggest
How big is it
It is 9,600,000 square kilometers in size.
平方千米
在大小方面，在规模上
nine million,six hundred thousand
/s hɑ r dez t/
撒哈拉沙漠约形成于250万年前，是世界仅次于南极洲的第2大荒漠，也是世界最大的沙质荒漠。它位于非洲北部，该地区气候条件非常恶劣，是地球上最不适合生物生存的地方之一。其总面积约容得下整个美国本土。 "撒哈拉"是阿拉伯语的音译，在阿拉伯语中"撒哈拉"为大沙漠，源自当地游牧民族图阿雷格人的语言，原意即为"大荒漠"。
Sahara Desert
The Sahara
China
Area: about 9,600,000
square kilometers
the biggest dessert in the world
It’s about ________ square kilometers in size.
9320000
area
(面积)
nine million
three hundred and twenty-two thousand
Angel Falls / e n.d l f lz/
What is the highest fall in the world
安赫尔瀑布位于委内瑞拉玻利瓦尔州圭亚那高原的卡罗尼河支流丘伦河上，是世界落差最大瀑布 。丘伦河水从平顶高原奥扬特普伊山直流而下而形成瀑布，分为两级，总落差979米，以离丘伦河谷地172米的分结晶岩平台为界，其上为长的一级，高达807米。
It’s _____metres high.
979
nine hundred and seventy-nine
Mariana Trench
/ meri n trent /
Where’s the deepest point in the ocean
马里亚纳海沟全长2550千米，为弧形，平均宽70千米。据估计这条海沟已形成6000万年。其最深处的地方达6~11千米，是已知的海洋最深处。2020年11月10日8时12分，中国“奋斗者”号载人潜水器在马里亚纳海沟成功坐底，坐底深度10909米。
It’s about _____ metres deep.
11,000
eleven thousand
How to read numbers
① 1—12: (one, two, three, four, five, six, seven,
eight, nine, ten, eleven, twelve)
② 13—19: -teen (thir-, fif-, eigh-)
③ 20—90: -ty (twen-, thir-, for-, fif-, eigh-)
④ 21—99:
十位
_
个位
⑤ 三位数：
整百100, 200, ... 900:
_______ hundred
非整百101—999:
_______ hundred and
__
__
个位
十位
_
个位
Do you know how to read larger numbers
十亿
百万
千
百
点
three billion and sixty-eight million, six hundred and nine thousand, nine hundred and eighty point one five.
billion
million
thousand
hundred
point
3, 068, 609, 980. 15
billion
million
thousand
point
one five
and
读时，将每三位数看做一个单位，自右向左依次为thousand千，million百万，billion十亿。
每个单位按百、十、个位向右读。
其中百位到十位之间要加入 and。
小窍门
自右向左三逗分；
一逗千(thousand)
二逗百万(million)
三逗十亿(billion)
左右三位分开读；
百位十位and连。
Here are some tips for you.
Read!
Who is
the best
9,752.22
5,660,000,000
8,653,325
6,000,080,000
eight million, six hundred and fifty-three thousand, three hundred and twenty-five.
five billion, six hundred and sixty million.
nine thousand, seven hundred and fifty-two point two two.
six billion and eighty thousand.
Competition !
1a
Match the places with the pictures.
____Nile River ____Angel Falls ____Mount Qomolangma
____Dead sea ____Sahara Desert ____Mariana Trench
A
B
D
E
C
F
F
A
D
C
E
B
2. Whose birthday is it
03 应用实践
听说活动
Application Practice
1b
Listen to the game plete the descriptions of the places.
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
听力技巧：听主旨，抓描述性最高级词汇（highest,
largest...）
highest mountain
biggest desert
lowest place
deepest point
1c
Try to read the following numbers.
英语数字的读法
416 8,848.86 11,000 9,000,000
英语中，数字从后往前数，每三位标一个逗号。
例： 9,000,000
百位和十位中间加and
小数点读作point, 小数点后的数字逐个单独读出。
thousand
million
1c
Listen again. Complete the measurements.
Place Measurement
Mount Qomolangma ________metres high
Sahara Desert about ________square kilometres in size
Dead Sea ________metres below sea level
Mariana Trench about________metres deep
听力技巧：精听，边听边记录关键数据。
8,848.86
9,000,000
416
11,000
Host: Welcome to our game show! Today, it's all about geography. Answer as quickly as you can! Question one: What is the highest 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 8,848.86 metres
Host: Yes! But some scientists say Qomolangma is still growing taller! Now, name the biggest desert in the world.
Fu Xing: The Taklimakan Desert
Host: Wrong! Ella
Ella: It's the Sahara Desert.
Host: Right! Now, how big is it
Ella: It's about 9,000,000 square kilometres.
Host: That's right! What's the lowest 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 deepest 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 11,000 metres deep.
Host: Correct!
“the + 形容词 / 副词最高级”后面可用带有 of 、in、on 的短语等来说明比较的范围，意为“……在……中最……”。
2. Whose birthday is it
04 迁移创新
Migration Innovation
、
Useful expressions:
主语+谓语(+the)+最高级+ in/of/among短语.
1d
Talk about the places you have learnt about.
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 ...
n. 表面；表层
Report your group’s discussion result to the class.
Evaluation(评价) Complete content (内容完整)
Correct language (语言准确)
Clear voice (自信表达)
Hello, everyone! I'd like to share our group’s result about amazing places we will go.
We choose... because it’s the ... in the world. It’s ... meters high/deep.
It’s very...
We also would like to explore ... Because ... it’s the ... in the world. It’s ... meters high/deep. It must be ...
We all love to explore the world. Thank you!
2. Whose birthday is it
05 回顾总结
Summary
Natural wonders
Mount Qomolangma
the highest
Sahara Desert
the biggest
Dead Sea
the lowest
Mariana Trench
the deepest
Summary
8,848.86
9,000,000
416
11,000
2. Whose birthday is it
06 考点大全
Language points
词
讲
练
wonder / w nd (r)/ v. 想知道；感到惊奇 n. 奇迹；奇观
---- wonderful adj. 精彩的；绝妙的 ---- wonderland n. 仙境；奇境
1.We all wonder ______ (at/in/for) the beauty of the sunset.
2. We had a _________(wonder) time at the beach last weekend.
3. The Grand Canyon(科罗拉多大峡谷) is one of the natural _________ (wonder)
in the world.
(1)想知道，后常接宾语从句、疑问词+不定式结构,相当于want to know。
例：I wonder what he is doing now.我想知道他现在在做什么。
(2)感到惊奇；惊叹，常用搭配wonder at sth
例：We all wonder at his rapid progress in English.我们都对他英语的快速进步感到惊叹。
(3)作名词，意为“奇迹；奇观”，常用搭配 the wonders of...（……的奇迹）
例：The Great Wall is one of the great wonders of the world.长城是世界上伟大的奇迹之一。
wonders
at
wonderful
(the+)最高级(+名词)+in/of 短语， 意为“……中最……的”。
I think spring is the best time of a year. 我认为春天是一年中最好的时节。
Tom works (the) hardest in Class3. 在三班汤姆学习最努力。。
one of the +形容词最高级+可数名词复数+in/of 短语，意为“……中最……的……之一”。 Hangzhou is one of the most beautiful cities in the world.
杭州是世界上最美的城市之一。
the +序数词+形容词最高级+可数名词单数+in/of 短语, 意为“在…中是第几……的……” As we all know, the Yellow River is the second longest river in China.
众所周知,黄河是中国第二长河。。
最高级（-est）的用法
2. Whose birthday is it
07 课堂小测
Exercise
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
词汇练习
2. Whose birthday is it
Homework
1. 词汇巩固：抄写本课核心活动词汇及重点句型，每个2遍，并确保会读会写。
2. 听力跟读：听读教材1b部分录音，模仿语音语调。
3. 能力提升：上网查询更多关于自然奇观的介绍， 绘制一幅“世界自然奇观探险地图”，标注英文名称和关键数据。
2. Whose birthday is it
Thanks
for watching!

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