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(共30张PPT)
（人教新版）八年级
下
The Wonders of Nature
Unit4
Section B 2a-2c
01
02
03
04
巩固介绍珠穆朗玛峰的语篇内容，梳理语篇关于珠峰的介绍以及中国登山队员攀登珠峰取得的不同成就并能精准复述。
能够结合本单元主题，按照自然奇观、地貌特征、描述性形容词和副词、人类探索自然的活动等语义类别梳理单元话题词汇。
能够通过语篇练习词汇，并通过大数字和形容词的比较级别了解贝加尔湖，理解描述自然景观的词汇在实际语境中的运用，并认同保护自然奇观的重要性。
能够梳理本单元中出现的反义词，掌握利用反义词对照的方法理解和记忆单词的策略；能够掌握“How +adj. / adv.”结构，并学会使用该结构询问数量、频率、速度等。
Learning objectives
Warming-up
Let’s enjoy a video.
Reaching New Heights
Difficulties and dangers
Achievements of Chinese teams
Reasons for climbing
Revision
Let’s review.
Part 1
①
②
③
④
⑤
Part 2
Part 3
one of the greatest wonders of the world
the highest place on earth
temperatures can fall to -30 degrees
thin air, high cliffs, and changeable weather
before 1960, no one reached the top from the northern side（the “Death Road”）
Difficulties and dangers
Revision
Let’s analyze.
Part 1
Before 1960, no one _______________ from northern side; called "__________"; a Chinese climbing team ____________ __ make the climb.
On 24 May 1960, Chinese climbers _________ the Second Step. They ___________________, and they made it past the Second Step. On 25 May, the Chinese national flag flew above the world’s highest mountain _______________.
In 1975, another Chinese team climbed to the top of Qomolangma to ___ ________. This time, they _______________ to the Second Step.
In 2020, a third team returned to Qomolangma to __________ ______ — 8,848.86 metres.
Until 2007, almost all climbers from the northern side used this “Chinese Ladder” to ___________ much ______.
reached the top
Death Road
was determined
to
arrived at
pulled themselves up
for the first time
do
research
brought a ladder
reach the top
faster
measure its
height
Achievements of Chinese teams
Part 2
Reasons for climbing
Why do people risk their lives to climb Qomolangma
Human curiosity and ambition cannot be stopped.
Because it’s there! —George Mallory
Qomolangma is the highest mountain in the world.
It inspired a deep human desire to challenge and explore the unknown.
Part 3
Reaching New Heights
Difficulties and dangers
Achievements of Chinese teams
Reasons for climbing
one of .... wonders
the ....place on earth
temperatures can fall to....air,high ..., and..weather.
called the “.... Road”.
1960
1975
2007
2020
Date/Place /Story/Result
Event/Did
Fact
Event/Height
curiosity and ambition
it is simply “Because it’s there.”
Revision
Let’s retell.
Part 3
Part 1
Part 2
Can you tell the Chinese meanings of the following words that used to describe Qomolangma
below　　 　 top common　 　northern
low　　　 risky dead　　 survive
safe bottom　 living southern
high above die unusual
在......下面
顶部
常见的
北方的
低的
/ r ski/有危险的
死的
生存,存活
安全的
底部
活的
/ s n/南方的
高的
在......上面
死亡
不寻常的
New drills
Match the words on the left with their opposites on the right.
1.____ below　　　5. ____ top
2.____ common　　6. ____ northern
3.____ low　　　　7. ____ risky
4.____ dead　　　 8. ____ survive
A. safe　　　 E. unusual
B. bottom　　 F. living
C. southern　 G. high
D. above　　 H. die
在...下面
常见的
低的
死的
顶部
北部的
存活
north
south
在...上面
安全的
底部
不寻常的
活着的
高的
死去
D
E
G
F
B
C
A
H
adj.有危险的
adj.南部的
2a
Categorize the words.
/ k t ɡ ra z / 分类
below
common
low
dead
top
northern
risky
survive
above
unusual
high
living
bottom
southern
safe
die
adj.
adv.
v.
prep.
n.
common — unusual; low — high;
dead — living; northern — southern;
risky — safe
low — high; below — above
survive — die
below — above
top — bottom
Let’s learn some opposite words.
Taklimakan Desert塔克拉玛干沙漠
Sahara Desert撒哈拉大沙漠
large
small
Mount Qomolangma珠穆朗玛峰
Mount Tai 泰山
high
long
The Nile 尼罗河
The Yellow River 黄河
low
short
Let’s review.
Sahara Desert撒哈拉大沙漠
Mount Qomolangma珠穆朗玛峰
The Nile 尼罗河
How large is the Sahara Desert
How high is the Mount Qomolangma
How long is the Nile River
It’s about 9,320,000 square kilometres.
It’s about 8,848.86 metres high.
It’s about 6,670 kilometres long.
Let’s learn.
疑问副词 用法·含义
how often
how far
how heavy
how large
how high
how long
how deep
how fast
询问频率；多久一次
询问距离；多远
询问重量；多重
询问尺寸/面积/规模；多大
询问高度；多高
询问长度/时间；多长/多久
询问深度；多深
询问速度；多快
Read the examples and make more sentences using how and the words in the box.
How far is it from your home to school
How heavy is a blue whale
How large is your country
How often do you exercise
通过观察我们可以发现How后接的单词均为形容词或副词，即“How +adj./ adv.”。
2b
询问路程或距离
询问重量
询问面积或规模
询问频率
How + adj. + be + subject
询问人或物的属性、感受或状况
How + adv. + do(助) + subject + v. 询问动作的细节，包括进行方式、频率或时间
1 .
2 .
3 .
4 .
5 .
6 .
long high deep old fast soon
How long is the Yellow River
How high is Mount Taishan in Shandong
How old is your grandfather
How fast can a giraffe run
How soon will the rainy season start in this area
How deep is the Mariana Trench
Video time
Let’s watch!
Lake Baikal 贝加尔湖
贝加尔湖(Lake Baikal)，位于俄罗斯东西伯利亚南部，在布里亚特共和国和伊尔库茨克州境内，湖总容积23.6万亿立方米(2015年)，最深处达1637米(2015年)，是世界第一深湖、亚欧大陆最大的淡水湖。湖长636千米，平均宽48千米，面积为3.15万平方千米，由地层断裂陷落而成，湖面海拔455米，平均水深730米。
Complete the passage with the correct forms of the words in the box.
2c
deep　 survive　 wonderful 　surface 　dive
Located in Siberia, Russia, Lake Baikal is one of the world's most famous lakes. It is the ______ freshwater lake in the world. To reach the bottom, you must ______ 1,620 metres! It is also larger than most other lakes. Its ______ covers 31,500 square kilometres. That is bigger than the country of Belgium! Lake Baikal is cold most of the year. But over 1,200 different types of animals can still ______ in this environment. Today, the lake still attracts many curious travellers. After all, it is a great natural _______!
/l ke t d/ 位于
/sa b ri / 西伯利亚
/ fre w t (r)/ 淡水
/ beld m/ 比利时
/ta p/ 种类
/ tr kt/ 吸引
/ kj ri s/ 好奇的
/ tr vl (r)/ 旅行者
/ n t r l/ 自然的
deepest
dive
surface
survive
wonder
after all 毕竟；终归
占（一片面积）
adj.
v.
adj.
n.
v.
词
讲
练
located /l ke t d/ adj. 位于；坐落在
1. The small village ________ (locate) at the foot of a big mountain is very beautiful.
2. Our new school library is ________ (locate) in the east of our campus.
3. The hotel ________ (locate) by the sea is a popular place for travelers in summer.
located
动词：locate（v. 定位；找到；使坐落于） 名词：location（n. 位置；地点）
常见搭配：be located in/at/on（位于……）
例句：The famous castle is located in Scotland. 这座著名的城堡位于苏格兰。
Our company's new office is located at the foot of the mountain.
我们公司的新办公室坐落在山脚下。
located
located
Language points
词
讲
练
attract / 'tr kt / v. 吸引
1. After a decade, his home was turned into a popular tourist ________ (attract ) .
2. They hope that Hua Hua can help________ (attract ) more visitors to Chengdu.
3.The person who ________ (attract ) me is not you.
attraction
动词：attract （v. 吸引 ） 名词：attraction（n. 向往的地方；吸引力）
常见搭配：attract the attention of ...（吸引……的注意）
tourist attraction 旅游景点
例句：She tried to attract the waiter's attention.
她试图引起服务员的注意。
attraction
Language points
to attract
attracts
词
讲
练
curious / kj ri s/ adj. 好奇的；求知欲强的
1.The little boy looked at the magic box _________ (curious), wondering what was inside.
2.Her __________ (curious) made her open the door and walk into the room.
3.孩子们总是对自然界的一切事物感到好奇。
Children are always _________ _________ everything in nature.
curiously
curiousity
curious
about
词形变换：curiosity n. 好奇心 curiously adv. 好奇地
固定搭配：be curious about 对……好奇
例句：He is such a curious boy, always asking questions.
他这个孩子好奇心很强，总是爱提问。
As a child, I’m curious about the UFO.作为一个小孩，我对不明飞行物感到好奇。
Language points
词
讲
练
natural / n t r l/ adj. 自然的；天然的；天生的
1._______ (nature) resources are important and we should use them wisely.
2. We should try to protect ______ (natural) and live in harmony with it.
3.She has practiced the piano for years, so she plays it _________ (natural) in
front of the audience.
Natural
自然的；天然的
常见搭配：natural resources/beauty/environment 自然资源/美景/环境
We can enjoy the natural beauty in the mountains.
我们可以欣赏大山里的自然美景。
天生的；本能的
It’s natural for people to wonder and worry about opinions of others.
好奇和在意别人的想法是人的天性。
nature n.大自然
naturally adv. 自然地
nature
naturally
Language points
1. How deep is Lake Baikal
2. How large is it
3. What did the passage compare Lake Baikal with Why
4. Why do you think many travellers visit Lake Baikal
It is 1,620 metres deep.
Its surface covers 31,500 square kilometres.
It compared Lake Baikal with the country of Belgium because it is larger than most other lakes.
Answer questions about Lake Baikal.
Because it is one of the world’s most famous lakes, the deepest freshwater lake on Earth, and a great natural wonder. Its huge size, unique environment, and rich wildlife attract curious travelers.
Complete the information card of Lake Baikal.Then introduce Lake Baikal.
Lake Baikal
Where:
What:
Surface:
Climate:
Animals:
Siberia, Russia
the deepest freshwater lake in the world (1,620 m)
31,500 square kilometres
cold most of the year
over 1,200 different types
Where is the lake
Post reading
Lake Baikal
Located in ______, ______ is one of the world’s
most famous ______.
It is the ______ in the world.
Its surface covers ______ square kilometres.
That is bigger than the country of ______!
______ is ______ of the year.
______ can still survive here.
Exercise
一、用括号中所给单词的适当形式填空。
1.Many kinds of birds spend winter in the _________(south) part of China.
2.We saw many______(type) of colourful fish swimming happily in the clear stream yesterday.
3.________(nature) resources are important for us. And we should use them wisely.
4.The little boy was _________(curiosity) about how the clock worked, so he took it apart carefully.
5.As ________(travel), we should remember: When in Rome, do as the Romans do.
6.It’s _____(risk) to cross the road without looking both ways first.
southern
types
Natural
curious
travellers
risky
二、根据汉语提示完成句子。
1. 经过长时间的攀登，他们终于到达了山顶。
They finally ________ ______ _____ of the mountain after a long climb.
2. 汤姆对这台机器的工作原理很好奇。
Tom _____ ________ ________ how the machine works.
3. 坐落于湖南湘西土家族苗族自治州，凤凰古城是一座历史悠久的古镇。
_________ _____ Tujia-Miao Autonomous Prefecture of Xiangxi, Hunan, the Ancient Town of Fenghuang is a historic town with a long history.
4. 这座山不是最高的，但海拔有1860米。
This mountain isn’t the highest, but it’s 1,860 metres _______ _____ ________.
5.位于新疆北部的城市阿勒泰吸引了人们的目光。
Altay, a city in northern Xinjiang, _______ _________ __________.
Located in
above sea level
reached the top
is curious about
attract people’s attention
Homework
【基础作业】完成本节课词汇相关的填空和匹配练习。
【进阶作业】使用至少5个本课词汇，写一段介绍贝加尔湖或者你最喜欢的自然景观的短文。
【拓展作业】上网查询更多关于世界自然景观的资料，阅读后以自己喜欢的方式（如海报、简报、口头报告）在班级分享。

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