Unit 7 What’s the highest mountain in the world Section A （1a-2d）课件(共27张PPT，内嵌音频)

(共27张PPT)
Unit 7
What’s the highest mountain in the world
Section A 1a-2d
课时教学目标
语言目标：
1. 掌握本课时重点词汇：
square, meter, deep, desert, population, Asia, tour, tourist, wall, ancient, wide, protect等;
2.掌握本课时重点短语：
feel free, as far as I know, in size等;
3. 熟练运用形容词和副词的最高级。
文化意识：
了解自然景观中的世界之最，拓宽视野，培养爱国情结和爱家乡情结。
学习能力：
通过自主学习、合作学习、探究学习、跨学科学习培养合作意识与学习能力。
思维品质：
学生在多次听力和对话练习后，能听懂和谈论有关地理和自然的话题，了解大自然的瑰丽景观，更加热爱大自然，增强保护环境的意识。
Some natural wonders in the world
Qomolangma
the Nile
the Caspian Sea
the Sahara
Lead-in
Match the facts you know.
1a
Qomolangma About 9,000,000 square kilometers in size
The Sahara 1,025 meters deep
The Caspian Sea 6,671 kilometers long
The Nile 8,848.86 meters high
Can you read these large numbers
9,000,000
1,025
6,671
8,848.86
nine million
one thousand and twenty-five
six thousand six hundred and seventy-one
eight thousand eight hundred and forty-eight point eight six
1a
Key points:
1. meter n. 米；公尺 ...meters high/deep/wide ……米高 / 深 / 宽
【拓展】表示长度单位的名词：mile 英里；foot 英尺；inch 英寸；kilometer 千米；decimeter 分米；centimeter 厘米；millimeter 毫米
2. square n. 正方形；广场 Tian’anmen Square 天安门广场；
adj. 平方；正方形的 square meter 平方米，square kilometer 平方公里
3. deep adj. 深的；纵深的；深（呼吸）的；深沉的 “ 基数词 + 单位
词 + 形容词（long，wide，high，deep）” 表示“ 物体的长、宽、高、深”；take a deep breath 做深呼吸
【拓展】depth n. 深（度）；deeply adv. 深深地
“Key points” 练习
根据汉语意思完成句子，每空一词。
1. 山西博物院的面积大概是 112000 平方米。
Shanxi Museum is about 112,000 _______ _______ _______ _______.
2. 亚马逊河流的最大深度为124米。
The maximum ______ of the Amazon River is 124 _______.
square meters in size
depth
meters
Qomolangma is _____________ than any other mountain in the world.
The Sahara is _____________ desert in the world.
The Caspian Sea is _______________ of all the salt lakes.
The Nile is _________________ river in the world.
Listen and complete the sentences.
1b
higher
the biggest
the deepest
the longest
n. 沙漠
在世界上
所有咸水湖
任何其他
Mountain River Sea/Lake Desert
Feature
Most
Least
height
Fill in the table.
highest/tallest
lowest/shortest
length
longest
shortest
depth
deepest
shallowest
area
biggest
smallest
Listen and read.
Teacher: Yesterday, we learned some important geographical facts. I hope you all still remember them. I’m going to test you now by asking a few questions. First, what’s the highest mountain in the world
Boy 1: Qomolangma! It's higher than any other mountain in the world.
Teacher: That’s right. And who can tell me what the Sahara is
Girl 1: The Sahara is the biggest desert in the world.
Teacher: Very good. And which is the deepest salt lake in the world
地理事实
Girl 2: The Caspian Sea is the deepest of all the salt lakes.
Teacher: You’re all so smart! Now, for the last question, which is the
longest river in the world
Boy 2: I know! The Nile is the longest river in the world.
Boy 1: And the Amazon is the second longest river in the world.
Teacher: It seems that you know the answers to all my questions. Good job!
the+序数词+形容词最高级 第几……的
Key points:
1. desert n. 沙漠【拓展】形近词：dessert n. ( 饭后 ) 甜点，甜食
2. “any other + 可数名词单数 ” 任何其他……
3. in the world (=all around the world) 在世界上
4. all the salt lakes 所有咸水湖；salt 盐；salt lake 咸水湖
Use the information in 1b to make conversations.
1c
Qomolangma.
What is the highest mountain in the world
the highest mountain 最高的山；
high 的最高级：
high + -est=highest
Think of other objects that are high, big, deep or long and describe them.
I live in the highest building in the city.
We have the biggest field of all the high school in town.
Helen has the longest hair in the class.
Listen and number the facts [1-3] in the order you hear them.
2a
6,300 5,000 5,464 300
____ The Yangtze River is about ________ kilometers long and the Yellow River is ________ kilometers long.
____ China is over ________ years old. It has a much longer history than the US. The US is not even ________ years old.
____ China is bigger than the US, and it is the biggest country in Asia.
3
2
1
n. 亚洲；Asian n. 亚洲人，adj. 亚洲的
长江
Listen again and fill in the blanks in 2a with the numbers in the box.
2b
6,300 5,000 5,464 300
____ The Yangtze River is about ________ kilometers long and the Yellow River is ________ kilometers long.
____ China is over ________ years old. It has a much longer history than the US. The US is not even ________ years old.
____ China is bigger than the US, and it is the biggest country in Asia.
6,300
2
1
5,464
5,000
300
3
基数词 + 单位词 + 形容词
Listen and read.
Mike：Hi, I’m Mike. I’m from the United States.
Boy： Welcome to our class, Mike. We’re happy to meet you.
Mike：Can you tell me a bit more about China
Girl： Sure! Did you know that China is one of the oldest countries in the world It’s over 5,000 years old.
Mike：Yes, I did. It’s much older than my country—in fact, the United States is one of the youngest countries in the world. It’s not even 300 years old.
Boy： And China has the biggest population, too. It’s a lot bigger than the population of the United States.
Mike：But China is about the same size as the US, right
Girl： Yes, and it’s the biggest country in Asia. We also have some famous rivers. The Yangtze River is the longest river in Asia. It’s about 6,300 kilometers long.
Mike：Wow! I didn’t know that. I thought the Yellow River was longer.
Boy： No, the Yellow River is 5,464 kilometers long. But both rivers are very important to China.
Make conversations using the information in 2a.
2c
Did you know that China is one of the oldest countries in the world
Yes, I did. It’s much older than my country.
“one of the + 形容词最高级 + 名词复数 ” 最……的……之一
Free talk
1. What is the biggest man-made object in the world
The Ming Great Wall.
2. What is the most famous part of the Ming Great Wall
Badaling.
Guide: Feel free to ask me anything on today’s Great Wall tour.
Tourist 1: How long is the wall
Guide: Ah, the most popular question! If we’re only talking about the parts from the Ming Dynasty, it’s about 8, 850 kilometers long. This makes it the longest wall in the world.
Tourist 2: Wow, that’s amazing! Why did the ancient emperors build the wall
（可以）随便（做某事）, 其后接动词不定式。
n. & v. 旅行；旅游
n. 墙
adj. 令人大为惊奇的；
令人惊喜（惊叹）的
adj. 古代的；古老的
n. 旅行者；观光者
Role-play the conversation.
2d
Guide: The main reason was to protect their part of the country. As you can see, it’s quite tall and wide. As far as I know, there are no other man-made objects as big as this.
Tourist 3: Is Badaling part of the Ming Great Wall
Guide: Yes, it’s the most famous part.
v. 保护；防护
adj. 宽的；宽阔的
据我所知
adj. 人造的
不定式短语作表语
Make eye contact.
Express interest in what other person is saying.
If you are not familiar with the subject matter, just ask questions.
Feel confident and do not hesitate to take part in a conversation.
Enjoy the conversation.
Role-play in groups of four.
Some tips:
1. feel free to do sth. 为常用口语表达，表示 “ 随便做某事（无需拘束）”
2. tour n. & v.旅行；旅游 a tour of...去……的旅行；a tour around...环……的旅行；a tour guide导游；a tour group 旅行团
3. tourist n. 旅行者，观光者 tourist attractions 旅游景点
4. wall n. 墙，壁 on the wall 在墙上 the Great Wall 长城
5. amazing adj. 令人大为惊奇的，令人惊喜（或惊叹）的
【拓展】amazed adj. 感到惊异的 be amazed at 对……感到惊讶
【辨析】amazing 和 amazed: amazing 修饰事或物，amazed 修饰人。
Key points:
6. ancient adj. 古老的；其前有不定冠词时要用 an。
in ancient times 在古代
7. protect v. 保护 protect...from... 保护……不受……伤害
【拓展】protection n. 保护
8. wide adj. 宽阔的，宽的 a wide range of... 大范围的……
【拓展】width n. 宽度
9. as far as I know (= so far as I know) 据我所知
10. man-made adj. 人造的 man-made island 人工岛
1.— The 5G technology can help doctors treat patients who are hundreds of kilometers away.
— It’s really ______.
A. secret B. direct C. amazing D. traditional
2.____I know, more and more people in the world are
learning Chinese.
As well as B. As often as
C. As soon as D. As far as
D
C
“Key points” 练习
一、单项选择
1. He wears sunglasses _______ (protect) his eyes against the strong sunlight.
2. Feel free _______ (ask) me anything on today’s Great Wall tour.
3. It’s _______ (amaze) for him ______(pass) the English exam this time.
4 . A lot of _______(tour) went to China _______ (visit) the Great Wall every year.
二、用所给单词的适当形式填空。
to protect
to ask
amazing
to pass
tourists
to visit