中小学教育资源及组卷应用平台
Unit7 Section A(2a-2d)教案
一、教学目标：
A. The aims of linguist (语言知识目标)
Key vocabulary: population, Asia, feel free, tour, tourist, wall,
amazing, ancient, protect, wide, as far as I know, man-made.
Sentence structures: as... as; ...than.... the...
B. The aims of capability (能力目标)
.To use and read numbers correctly.
.To use the comparative and superlative of adjectives to compare
things.
C. The aims of emotion (情感目标)
.To know knowledge about the world and love nature.
.To know more knowledge about China and love our motherland.
4. Teaching important and difficult points (教学重难点)
A. Teaching important points (教学重点)
a. The usages of the comparative and superlative of adjectives.
b. How to use numbers to express the length, width and height of
things.
B. Teaching difficult points (教学难点)
a. The usages of the comparative and superlative of adjectives.
b. How to use and read big numbers.
（Teaching Procedures）:
Step1：Greetings and talking
1．教师向学生表示友好的问候，并复习之前所学到的问候语。
2．采用多种自由交际方式，创设浓厚的英语学习氛围与学生进行
Step2 Review
展示图片进行师生互动复习上节课的重点句型：
A: What is the highest mountain in the wor1d
B:Qomo1angma is the highest mountain in the world, it is
higher than any other mountain in the wor1d.
A: What’ s the biggest desert in the world
B: Sahara is the biggest desert in the wor1d.
A: What’ s the deepest salt 1akes in the wor1d
B: The Caspian Sea is the deepest of a11 the salt 1akes..
A: What’s the 1ongest river in the wor1d
B: The Nile is the longest river in the wor1d.
Step 3 Presentation
Learn the new words:
Show some pictures to learn new words.
2.Finish 2a
Listen and number the facts(1- 4) in the order you hear them.
Finish 2b
Listen again and fill in the blanks in 2a with the numbers in the box.
Finish2c
Make conversations using the information in 2a.
A: Did you know that China is one of the
oldest countries in the world
B: Yes, I did. It’s much older than my
country.
Finish2d
Read 2d and answer the questions on the Bb.
1. How long is the Ming Great Wall
2.Why did the ancient emperors build the wall
3. Which is the most famous part of the Ming Great Wall
(2) Listen to 2d and fill in the blanks on the Bb.
5. Exercise
Let students work in group and discuss then finish the exercise on the Bb.
Step 4板书设计
Unit7What's the highest mountain in the world
Section A (2a-2d)
Key vocabulary: population, Asia, feel free, tour, tourist, wall,
amazing, ancient, protect, wide, as far as I know, man-made.
Sentence structures: as... as; ...than.... the...
Important sentences：
A: What is the highest mountain in the wor1d
B:Qomo1angma is the highest mountain in the world, it is hi gher than any other mountain in the wor1d.
A: What’ s the biggest desert in the world
B: Sahara is the biggest desert in the wor1d.
A: What’ s the deepest salt 1akes in the wor1d
B: The Caspian Sea is the deepest of a11 the salt 1akes..
A: What’s the 1ongest river in the wor1d
B: The Nile is the longest river in the wor1d.
Step5: Homework
Recite the sentences in 2d.
HYPERLINK "http://21世纪教育网(www.21cnjy.com)
" 21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
Unit7 Section A (2a-2d)练习题
一、单项选择
1. The population of China is much _______ than that of England.
A. more B. larger C. smaller D. less
2. —______ is the Caspian Sea
—1025 meters.
A. How soon B. How far C. How high D. How deep
3.There are lots of endangered animals. We should do something to _________ them.
A. provide B. protect C. treasure D. encourage
4. —Mount Huangshan is famous all over the world.
—Yes, you’re right. A lot of ________ visit it every year. They take photos here and there.
A. tourists B. readers C. writers D. teachers
6.Jack is _______ than any other student in his class
A strong B. stronger C the strongest D. strongest
二．用挂号内所给词的适当形式填空
1. Many_______ (tour) come here to visit the big tree every year.
2. India is one of the________ (old) countries in Asia.
3. The population of China _________(be) the biggest in the world.
4. Mountain Tai is a lot________ (high) than any other mountain in
Shandong.
5. Dale didn’t go to the party. The main reason was________(study) for the test.
三．句型转换
1. This is a 2, 500-meter-long river. (改为同义句)
This river is 2, 500 ________ _________ .
2. The US is not as large as Russia. (改为同义句)
Russia is _______ __________ the US.
3. The population of Australia is 19, 300, 000. (对画线部分
提问)
__________ __________ the population of Australia
4. The Great Wall is the longest wall. (改为同义句)
The Great Wall is _________ ___________any other wall.
5. Qomolangma is the highest mountain in the world. (对
画线部分提问)
________ __________ the highest mountain in the world
参考答案：
一．1-5 BDBAB
二．1.tourists 2.oldest 3is 4.higher 5.to study
1. meters long 2. larger than 3. What is 4. longer than 5. What is
HYPERLINK "http://21世纪教育网(www.21cnjy.com)
" 21世纪教育网(www.21cnjy.com)(共21张PPT)
Unit7What's the highest mountain in the world
人教版 八年级
SectionA(2a-2d)
A: What's the highest mountain in the world
B: Qomolangma is the highest mountain in the world.
A: How high is it
B: It's 8,844.43 meters high.
8,844.43 meters high
Review
A: What's the biggest desert in the world
B: The Sahara is the biggest desert in the world.
A: How big is it
B: It's about 9,600,000 square kilometers in size.
9,600,000 square kilometers in size
Review
A: What's the deepest salt lake in the world
B: The Caspian Sea is the deepest salt lake in the world.
A: How deep is it
B: It's 1,025 meters deep.
1,025 meters deep
Review
A: What's the longest wall in the world
B: The Great Wall is the longest wall in the world.
A: How long is it
B: It's about 8,850 kilometers long.
8,850 kilometers long
Review
A: What's the longest river in the world
B: The Nile is the longest river in the world.
A: How long is it
B: It's 6.671 kilometers long.
6,671 kilometers long
Review
A: What's the longest river in China
B: The Yantze River is the longest river in China.
A: How long is it
B: It's about 6,300 kilometers long.
6,300 kilometers long
Review
A: What's the second longest river in China
B: The Yellow River is the second longest river in China.
A: How long is it
B: It's about 5,464 kilometers long.
5,464 kilometers long
Review
population n. 人口
Asia n. 亚洲
wall n. 墙
tour v. n. 旅行
tourist n. 旅行者
amazing adj.
令人大为惊奇的
Presentation
ancient adj. 古代的
wide adj.
宽的；宽阔的
Presentation
2a Listen and number the facts(1- 4) in the order you hear them.
6,300 5,000 5,464 300
___ The Yangtze River is about ____ kilometers long and the Yellow River is ___ kilometers long.
___ China has the biggest population in the world. It’s a lot bigger than the population of the US.
___ China is over ___ years old. It has a much longer history than the US. The US is not even ___ years old.
___ China is almost as big as the US, but it is the biggest country in Asia.
4
2
1
3
6,300 5,000 5,464 300
___ The Yangtze River is about ___________ kilometers long and the Yellow River is ____________ kilometers long.
___ China has the biggest population in the world. It’s a lot bigger than the population of the US.
___ China is over ___________ years old. It has a much longer history than the US. The US is not even _____________ years old.
___ China is almost as big as the US, but it is the biggest country in Asia.
4
2
1
3
6,300
5,464
5000
300
2b Listen again and fill in the blanks in 2a with the numbers in the box.
A: Did you know that China is one of the
oldest countries in the world
B: Yes, I did. It’s much older than my
country.
Make conversations using the information in 2a.
Group work
2c
The Great Wall
He who does not reach the Great Wall is not a real man!
1. How long is the Ming Great Wall
It’s about 8,850 kilometers long.
2.Why did the ancient emperors build the wall
The main reason was to protect their part of the country.
3. Which is the most famous part of the Ming Great Wall
The Badaling part.
Read and answer the questions in 2d.
G: Feel free _________ (ask) me anything on today's Great Wall tour.
T1: __________ is the wall
G: Ah, the most popular question! If we're only talking about the parts from
the Ming Dynasty's , It's about 8,850 kiometers long. This makes it ___________(long) wall in the world.
T2: Wow, that's amazing! Why did the ancient people _____(build) the wall
G: The main reason was _______ (protect) their part of the country. As you can see, it's quiet ______ (tall) and ______(wide). _______________, there are no other man-made object as ______(big) as this.
T3: Is Badaling part if the Ming Great Wall
G: Yes, it's the _______________(famous) part.
Listen to 2d and fill in the blanks.
2d
to ask
How long
the longest
to protect
tall
wide
As far as I know
big
most famous
Exercise
I.用所给词的适当形式填空
1. Many____________ (tour) come here to visit the big tree every year.
2. India is one of the_____________ (old) countries in Asia.
3. The population of China
(be) the biggest in the world.
4. Mountain Tai is a lot__________ (high) than any other mountain in
Shandong.
5. Dale didn’t go to the party. The main reason was_____________
(study) for the test.
tourists
oldest
higher
to study
Homework
Recite 2d's sentences.
Thank you !
https://www.21cnjy.com/help/help_extract.php
