Unit 4 The Wonders of Nature Section B 1a-2d课件(共29张PPT)人教版(2024)八年级下册

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Unit 4 The Wonders of Nature Section B 1a-2d课件(共29张PPT)人教版(2024)八年级下册

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(共29张PPT)
UNIT 4
The Wonders of Nature
Section B 1a-2d
Reading & Information
Scan the text to find key facts about Qomolangma and Chinese climbing achievements.
Identify details about the mountain’s dangers, team milestones, and exploration motives.
01
Language & Vocabulary
Use new words (e.g., temperatures, cliffs, perseverance, ladder) to talk about mountain climbing.
Correct false statements and use simple English to explain ideas.
02
Learning Objectives
Critical Thinking
Discuss the feelings and motivations of climbers.
Identify the qualities needed for exploration and teamwork.
03
What do you know about Mount Qomolangma
Where is it
How high is it
Why is it famous
Who has climbed it
What is the weather like
Lead in
The Question
"Look at these numbers. Would you still want to climb Why or why not "
-30°C
(colder than your freezer!)
1/3 of sea level
(every breath is a fight)
above 8,000m
(body starts to die slowly)
The Numbers Behind Qomolangma
The changing numbers...
8,848.13 m
8,844.43 m
8,848.86 m (最新数据)
1975
2005
2020
“Why do you think the numbers are different ”
Erosion (侵蚀)
earth movement
Earthquake
Better measurement tools
Changes of snow and ice
"This is a photo taken on Mount Qomolangma.”
Why is it there
Who put it there
The ladder in the photo has been on the mountain for over 40 years. It saved many lives
"The years are missing. Can you guess when these happened "
The Footprints of the Chinese Mountaineering Team
Do you want to know the answers of the above questions
Today, let’s enter the world of one of the greatest wonders-----Qomolangma
Lead in
Read the title and predict
What is the article mainly about
What new heights might it refer to
1b Scan the article to find the information below.
A.It is mainly about new exploration and achievements on Mount Qomolangma.
B.It is mainly about climbing and measuring Mount Qomolangma.
C.It is mainly about new stories of Mount Qomolangma.
What‘s your answer
______: what climbers called the way up the northern side of the mountain
____________________: the distance between the Second Step and sea level
____________________: when the first Chinese team reached the top of Qomolangma
______: when the second Chinese team reached the top of Qomolangma
_____________: the height of Qomolangma in 2020
1b Scan the article to find the information below.
Death Road
8,600 metres above sea level
On 25 May 1960 (at 4:20 a.m.)
In 1975
8,848.86 metres
How many Chinese climbing teams are mentioned in the article What years did they climb
2.According to the article, why do people risk their lives to climb Qomolangma
Three teams – 1960, 1975, and 2020
Because of human curiosity and ambition.
3.Why does the writer use so many numbers in the passage
Numbers make the passage clear, true and convincing.They show facts, time and achievements.
Detail reading
1.Why do you think climbers called the northern side the “Death Road” Find at least TWO reasons from the article.
Before 1960, no one was able to reach the top from the northern side.
The conditions are terrible: temperatures can fall to -30 degrees, thin air, high cliffs, and changeable weather.
2.What did Liu Lianman do to help his teammates pass the Second Step What does this tell us about him
This tells us he was selfless, brave, and a true team player.
Detail reading
1c Read the article again. Match the paragraphs with the main ideas.
C. Difficulties and dangers
A. Achievements of Chinese teams
B. Reasons for climbing Qomolangma
How is the article organized
总分总
1.To reach the top of Qomolangma, one needs both a strong body and a strong mind.
T F
2.The climber Gong Bu helped his teammates go past the Second Step.
T F
3.More than one Chinese team used the "Death Road" to reach the top of Qomolangma.
T F
4.Two Chinese teams reached the top of Qomolangma in 1975.
T F
5.Climbers first started to use the "Chinese Ladder" in 2007.
T F
1d Read again. Circle T for true or F for false. Then correct the false statements.
Liu Lianman helped his teammates go past the Second Step by allowing them to step on his shoulders.
One Chinese team reached the top of Qomolangma in 1975.
Climbers first started to use the "Chinese Ladder" in 1975.
1e Discuss the questions.
1.How do you think the Chinese climbers felt when they placed the national flag on top of Qomolangma
They must have felt extremely proud, excited.
Placing the national flag on the world's highest peak was a great honor for their country.
2.What do you think George Mallory meant by “because it’s there”
He meant that the mountain itself is a big enough reason to climb it. People climb it just for the challenge and adventure, not for other practical reasons. It shows the human spirit of exploration.
3.What qualities do you think a good mountain climber needs to have
A good mountain climber needs courage, perseverance, strong body and mind, teamwork, and respect for nature.
Mount Everest (high) vs the Dead Sea (low).
The northern slope vs the southern slope.
Living animals vs the Dead Sea
"In nature, we see many opposites"
Can you give any examples "
The summit of Mount Everest (top) vs the Mariana Trench (bottom).
2a Match the words on the left with their opposites on the right. 1. below A. safe
2. common B. bottom
3. low C. southern
4. dead D. above
5. top E. unusual
6. northern F. living
7. risky G. high
8. survive H. die
Can you give more examples "
Asking with "How"
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
To ask about size, distance, frequency...,
we can use “How + adj/adv” + 一般疑问句语序的结构”
long high deep low fast soon
2b Read the examples and make more sentences using how and the words in the box.
1._____________________________________
2._____________________________________
3._____________________________________
4._____________________________________
5._____________________________________
6._____________________________________
How long is the Yangtze River
How high is Mount Qomolangma
How deep is the Mariana Trench
How low is the Dead Sea
How fast can a cheetah run
How soon will you come back
What Do You Know About Lake Baikal
Where is it
How deep is it
How large is it
What animals live there
| deep | environment | survive | wonderful | surface | dive |
Located in Siberia, Russia, Lake Baikal is one of the world's most famous lakes. It is the ______ (1) freshwater lake in the world. To reach the bottom, you must ______ (2) 1,620 metres! It is also larger than most other lakes. Its ______ (3) covers 31,500 square kilometres. That is bigger than the country of Belgium! Lake Baikal is very cold for most of the year. But over 1,200 different types of animals can still ______ (4) in this ______ (5). Today, the lake still attracts many curious travellers. After all, it is a great natural ______ (6)!
adj.
deepest
n.
v.
adj.
n.
v.
v.
dive
n.
surface
v.
survive
n.
environment
n.
wonder
adj.
2c Complete the passage with the correct forms of the words in the box.
1.To most people, Mount Qomolangma is one of the greatest wonders of the world
To most people:介词短语作评注性状语,表达说话人的观点或评价,可译为 “在大多数人看来”。
wonder
作名词 (n.) 奇迹;奇观;奇人 / 奇事
作动词 (v.) ① 想知道;感到疑惑 I wonder what he is thinking.
常见短语
No wonder (that)...:难怪……;怪不得……
No wonder you are tired; you worked all night.
It's a wonder (that)...:…… 真是个奇迹
It's a wonder that you didn't get hurt.
2.On the highest place on earth, you will feel like you are able to touch the sky.
feel like 感觉像....后可接名词、代词或宾语从句,此处接宾语从句,that 可省略。
be able to do sth.:表示 “经过努力后能够做某事”,与 can 相比,更强调通过自身能力或努力达成的结果。
Language points
3.But only the best climbers reach the top, and that is only if they survive the terrible conditions first.
only if:引导条件状语从句,表示 “只有在…… 的条件下才……”,强调条件的唯一性。
4.a Chinese climbing team was determined to make the climb.
be determined to do sth.:固定结构,表示 “下定决心做某事”,强调状态。
make the climb:动词 make 与名词 climb 搭配,构成固定表达,意为 “进行攀登”。
5.People said it was so high that even birds could not reach it.
so... that... 引导结果状语从句,表示 “如此…… 以至于……”
6.Bit by bit, the climbers pulled themselves up, and they made it past the Second Step.
Bit by bit:固定短语作状语,意为 “一点一点地,逐渐地”。
pull oneself up:固定搭配,意为 “(奋力)向上爬”。
make it:口语化表达,意为 “成功做到,设法完成”。
7.Until 2007, almost all climbers from the northern side used this "Chinese Ladder" to reach the top much faster.
Until 2007:介词 until 引导时间状语,表示动作或状态持续到某一时间点。
from the northern side:介词短语作后置定语,修饰 climbers。
to reach the top much faster:不定式作目的状语。
much faster:副词 much 修饰副词比较级 faster,表示程度 “…… 得多”。
8.Why do people still risk their lives to climb the highest mountain in the world
risk one's life to do sth. 固定结构,意为 “冒着生命危险做某事”
9.It is because human curiosity and ambition cannot be stopped.
表语从句
被动语态。含有情态动词的被动语态结构为 “情态动词 + be + 过去分词”。
10.Or, as the English explorer George Mallory put it, it is simply "because it's there"!
as 引导方式状语从句,意为 “正如……”。
put it:固定表达,意为 “说,表达”。
表语从句
For some
Reflection Writing:Write a short paragraph (100-150 words) about your personal understanding of the famous quote "Because it's there".
For all
Explorer Research:Select a famous explorer (not necessarily a mountain climber) and prepare a 2-minute presentation about their life and achievements for the next class.
Homework

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