【课堂无忧. AI赋能】Unit 4 The Wonders of Nature(第4课时) Section B 1a- 2c情境教学课件+音频视频 人教八下

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【课堂无忧. AI赋能】Unit 4 The Wonders of Nature(第4课时) Section B 1a- 2c情境教学课件+音频视频 人教八下

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Unit 4 The Wonders of Nature
Section B 1a-2c
Reading&Vocabulary in use
Learning Objectives
To acquire and correctly read the core vocabulary related to adventure and mountain climbing; master the corresponding relationship between words and their antonyms, including below, common, risky, survive, deep and recognize the usage of “how + adjective/adverb” in special questions, pronounce them accurately and understand their meanings.
To understand the significance and value of human exploration of nature; combine their own experiences and understanding, and identify with the positive qualities of courage, determination and perseverance through group discussion and sharing .
To extract and sort out key information about the process of climbing Mount Everest, summarize the main idea of each paragraph, judge the authenticity of information by using reading strategies such as skimming, scanning and careful reading.
Watch and Say
What is the video about
Free Talk
What do you know about Mount Qomolangma Tell a partner.
1a
It is 8848.86 metres high.
It is the highest mountain in the world.
It lies on the eastern border of China and Nepal.
/n p l/尼泊尔
It ...
Watch and Answer
What did they do
They reached the top of Mount Qomolangma.
Would you like to know more details about their climbing to the top of Mount Qomolangma
Let’s read an article together.
Read and Find
1. __________: what climbers called the way up the northern side of the mountain
2. ___________: the distance between the Second Step and sea level
3. _______________: when the first Chinese team reached the top of Qomolangma
4. _______: when the second Chinese team reached the top of Qomolangma
5. ______________: the height of Qomolangma in 2020
Scan the article to find the information below.
1b
Scanning
You can read a text quickly to find specific information, such as numbers, years, names, and places. Numbers and years are usually in Arabic numerals, while names and places usually start with capital letters.
Death Road
8,600 metres
On 25 May 1960
In 1975
8,848.86 metres
Read and Match
Read the article and match the main ideas with each paragraph.
Part 1





Part 2
Part 3
Difficulties and dangers
of climbing Qomolangma
Achievements of China’s Qomolangma climbing teams
Reasons for people risking
lives to climb Qomolangma
Tip: We can get the main idea of each paragrah by the first or the last sentence in each paragragh .
Read and Answer
Read Para. 1 (difficulties) and answer the questions.
To most people, Mount Qomolangma is one of the greatest wonders of the world. On the highest place on earth, you will feel like you are able to touch the sky. But only the best climbers reach the top, and that is only if they survive the terrible conditions first. On the mountain, temperatures can fall to -30 degrees. Climbers must also deal with thin air, high cliffs, and changeable weather.
They feel like they are able to touch the sky.
1. How do people feel on the top of Mount Qomolangma
对大多数人来说
be able to do sth 能够做某事
处理,应对
/ kla m (r)/ 攀登者
/s va v/ 生存,存活
/kl f/ 悬崖,峭壁
/ t e nd bl/ 常变的
/d ɡri / 度数,程度
/k n d n/条件
2. Why is it difficult to climb Qomolangma
Because on the mountain, temperatures can fall to -30 degrees. Climbers must also deal with thin air, high cliffs, and changeable weather.
Read and Answer
Read Para. 2 (dangers) and answer the questions.
Before1960, no one was able to reach the top of Qomolangma from the northern side. Mountain climbers even called that way the “DeathRoad”, but a Chinesec limbing team was determined to make the climb.
Because it is dangerous and before 1960, no one was able to reach the top of
Qomolangma from the northern side.
1. Why did climbers call that way the “Death Road”
2. What was the Chinese climbing team determined to do
They were determined to climb Qomolangma from the northern side.
/d t m nd/ 坚决的
Read and Complete
On 24 May 1960, climbers Liu Lianman, Wang Fuzhou, Qu Yinhua, and Gong Bu arrived at the Second Step. It was 8,600 metres above sea level. People said it was so high that even birds could not reach it. Liu allowed his teammates to step on his shoulders. Bit by bit, the climbers pulled themselves up, and they made it past the Second Step. At 4:20 a.m. On 25 May, the Chinese national flag flew above the world's highest mountain for the first time.
In 1975, another Chinese team climbed to the top of Qomolangma to do research. This time, they brought a ladder to the Second Step. Until 2007, almost all climbers from the northern side used this"Chinese Ladder" to reach the top much faster. In 2020, a third team returned to Qomolangma to measure its height—8,848.86 metres.
On 24 May 1960, Chinese climbers _________ 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 ___________.
Until 2007, almost all climbers from the northern side used this “ ______________ ” to reach the top much _____.
In 2020, a third team returned to Qomolangma to ________________ — 8,848.86 metres.
arrived at
for the first time
do research
Chinese Ladder
faster
measure its height
Read Para. 3-4 (achievements)and complete the blanks.
Read Para. 5 (reasons)and answer the questions.
Read and Answer
Climbing Qomolangma is dangerous. Some climbers reach the top successfully,but many fail. Why do people still risk their lives to climb the highest mountain inthe world It is because human curiosity and ambition cannot be stopped. Or, as the English explorer George Mallory put it, it is simply “because it's there” !
1. Why do people risk their lives to climb Qomolangma
Because human curiosity and ambition cannot be stopped or simply because the
mountain is there.
2. What do you think George Mallory meant by “ because it’s there ”
He meant that human curiosity and ambition drive people to climb it simply for
its existence.
/ kj ri s ti/ 好奇心
/ m b n/ 野心,抱负
as sb put(s) it 正如某人所说
1d
Read and Circle
Read again. Circle T for true or F for false. Then correct the false statements.
1. A few climbers reached the top of Qomolangma from the northern
side before 1960.
2. In 1960, Liu Lianman’s teammates used a ladder to get past the
Second Step .
3. The Chinese brought a national flag to the top of Qomolangma in 1960.
4. The “Chinese Ladder” was placed at 8600 metres above sea level.
5. Climbers first started to use the “Chinese Ladder” in 2007.
T
F
T
T
T
T
F
F
F
F
in 1975
No one
Liu Lianman allowed his teammates to step on his shoulders. Bit by bit, the climbers pulled themselves up, and made it pass the Second Step.
Think and Talk
1. How do you think the Chinese climbers felt when they placed the national flag on
top of Qomolangma
They felt great pride and achievement when placing the national flag on the top of
Qomolangma. / ...
2. What qualities do you think a good mountain climber needs to have
They felt great pride and achievement when placing the national flag on the top of
Qomolangma. / ...
When we face the "Qomolangma" in our life, we should be determined, keep trying,
and work hard to overcome difficulties. Even if we meet hard conditions, we should
move step by step and never lose hope. / ...
3. What should we do if we face the "Mount Qomolangma" in our lives
My friend is interested in mountain climbing. He wants to join the activity of climbing Qomolangma which organized by our National Geographic. Could you make a tip list for him
Sample
Tip 1: Know more about....
Tip 2: He should...
Tip 3: He had better...
Tip 4: ...
Discuss and Share
Discuss in groups and share your ideas.
Read and Learn
Language Points
1. On the highest place on earth, you will feel like you are able to touch the sky.
在地球的最高点,你会感觉仿佛能够触摸到天空。
feel like意为“感觉像/好像是”,还可意为“想要”,后可接名词(短语)、动词-ing形式。
eg: I feel like a cup of tea/dring a cup of tea. 我想要一杯茶/喝一杯茶。
2. But only the best climbers reach the top, and that is only if they survive the terrible
conditions first.
但只有最优秀的登山者才能登顶,而且前提是他们首先要能在恶劣的条件下生存。
only if 引导条件状语从句,表示“ 只有在......的情况下”,强调条件的“ 唯一性 ”,后面接“ 真实条件 ”,常用倒装句。
eg: Only if we take a taxi will we catch the train. 我们只有乘出租车才能赶上火车。
3. ...but a Chinese climbing team was determined to make the climb.
...但一支中国登山队决心进行这次攀登。
be determined to do sth 下定决心做某事
Read and Learn
4. Bit by bit, the climbers pulled themselves up, and they made it past the Second Step.
登山者们一点一点地向上爬,最终成功越过了“第二台阶”。
bit by bit 意为“一点一点地”,同义表达为little by little或gradually。
pull oneself up意为“奋力站起来/爬起来”,同义表达为little by little或gradually。
5. Why do people still risk their lives to climb the highest mountain in the world
eg: I feel like a cup of tea/dring a cup of tea. 我想要一杯茶/喝一杯茶。
为什么人们仍然要冒着生命危险去攀登世界最高峰?
risk one’s life to do sth 意为“冒着生命危险做某事”,此处risk为动词。risk作名词时意为“风险”,“do sth at the risk of one’s life”也意为“冒着生命危险做某事”。
6. Or, as the English explorer George Mallory put it, it is simply “because it's there” !
或者,正如英国探险家乔治.马洛里所说,只是“因为山就在那里”!
as sb put(s) it 正如某人所说
eg: As my teacher puts it, practice makes perfect. 正如我老师所说,熟能生巧。
After exploring Mount
Qomolangma, let’s move on to our next stop — Lake Baikal
/le k ba kɑ l/贝加尔湖
Can you tell the Chinese meanings of the following words and choose some words that can be used to describe Lake Baikal
Think and Choose
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
注:答案不唯一
2a
Look and Match
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
D
E
G
F
B
C
A
H
There are some Baikal seals swimming freely below the ice.
Think and Say
What do you know about Lake Baikal
Lake Baikal is the deepest freshwater lake in the world.
...
What else would you like to know about Lake Baikal
Read the examples and make more sentences using how and the words in the box.
2b
Read and Write
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
long high deep low fast soon
1. _______________________________
How long is the coastline of the lake
海/湖岸线
2. _______________________________
3. _______________________________
How hign are the mountains around the lake
How deep is Lake Baikal
4. _______________________________
5. _______________________________
6. _______________________________
How low is the water level of Lake Baikal in winter
How fast can the Baikal seal swim under the ice
How soon can we reach the bottom of the lake
Our trip to Lake Baikal is coming to an end. Can you help me finish the scientific record below
Complete the passage with the correct forms of the words in the box.
2c
Read and Complete
deep environment 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 ___________. 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
environment
wonder
Summary
Our trip today is over. What did you learn from it
key vocabularies and sentences
Reading skills
skimming
scanning...
“how+adj/adv”
特殊疑问句
Reasons for exploring nature
Teacher’s Words
Don’t let your ______ control you. Try to calm down.
The more we explore, the more we learn.
Nature opens our eyes and warms our hearts.
Basic(必做)
复习并牢记本堂课的重点单词、短语和句型。
Improving(选做)
绘制思维导图复述人类攀登珠穆朗玛峰的原因、困难、危险、成就和意义。
Extend(必做)
利用网络资源搜寻国内外的自然景观以及人们探索这些景观的原因并在班级分享。
Homework
让教学更有效
Thank you!
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