(共62张PPT)
新课标 八年级下册
Unit 7
What's the highest mountain in the world?
Section A
2a-2d
学 习 目 标
Objectives
1. 掌握和运用下列重点单词和短语：
population, Asia, tour, tourist, ancient, protect,
wide, as far as I know, feel free??
2. 熟练使用形容词的比较级和最高级介绍你所知
道的名胜。
3. 了解我国的悠久历史、灿烂文化和大好河山。
Learn some new words!
New words
population [?p?pju'lei∫?n]
n. 人口；人口数
population of 后跟地名时，用定冠词 the；询问“人口是多少？”?不用how much,而用what/how large。?
What is the population of this country?
这个国家的人口是多少？
Kandahar has a population of 230,000. 坎大哈市有23万人。
population of后跟数词时，用不定冠词a。
Learn some new words!
New words
Asia ['ei∫?]
n.亚洲,亚细亚
The band toured Asia, Europe and America.
这支乐队在亚洲、欧洲和美洲举行了巡回演出。
China is a developing country in Asia.
中国是亚洲的发展中国家。
asian ['ei∫n]
adj. 亚洲的;亚洲人的
n. 亚洲人
How many Asian countries took part in the sport meeting?
有多少亚洲国家参加这次运动会？
That Asian stopped me and asked if I was Chinese.
那个亚洲人拦住我，问我是不是中国人。
tour [tu?(r)]
n. 旅游; 观光; 巡回
v. 周游; 旅行; 巡回
Learn some new words!
New words
They're going on a world tour. 他们正在环球旅行。
She plans to tour about the world. 她打算周游世界。
Tour指根据一定的路线,事先预定了逗留地点,旅行结束后仍回原地的旅游,其主要目的多为观光、视察或进行其他活动, 路程一般比较长。
Trip常指时间较短、距离较近的旅行,并且意味着旅行结束后还要回到原来的地方。
travel意思广泛,表示不论时间长短,不论路途远近,不论什么目的或使用什么交通工具的旅行或游历,
tourist n. 游客
visitor n. 游客
traveller 旅客
amazing [?'meizi?]
adj. 令人惊异的
Learn some new words!
New words
She is an amazing engineer. 她是位了不起的工程师。
It's amazing to find you here. 在这里见到你真令人惊讶。
【派生】
amaze v. 使惊异
amazed adj. 吃惊的
amazingly adv. 惊人地
amazement n.
【辨析】
surprise 多指因未预料或意外的事而引起的惊奇之感。
amaze 语气比surprise强，尤指对不太可能事（好事）的发生感到惊叹。
shock 语气很强，一般指某事（坏事）让人大为惊讶、震惊。
ancient ['ein∫?nt]
adj. 古代的；古老的
Learn some new words!
New words
old 指长期以来一直存在着的事物，与times连用指古代，与days连用时指从前或旧社会。
She loved the big old house. 她喜欢这幢古老的大房子。
ancient 指很久以前发生或存在的事物。用于描述历史时，指远古时代。
Some ancient towns have walls round them .
有些古老的城市周围有城墙。
Ancient men made tools of stone .
古代的人制作了石头工具。
Learn some new words!
New words
protect [pr?'tekt]
vt. 保护，防卫；警戒
Miss Nash has worn a fur coat to protect her from the cold.
纳希小姐已穿上毛皮大衣来御寒。
He is always protecting against others.
他总是防范着别人。
Our PLA men protect us against invasion.
我们的解放军战士保卫我们，抵御侵略。
protection n. 保护；防卫
wall [w?:l]
n. 墙壁，围墙；墙状物
Learn some new words!
New words
Someone knocked on the wall and he knocked back.
有人敲了一下墙壁，他应声回敲。
The cat jumped onto the wall.
猫纵身跳上围墙。
Over the wall he had hung a big map.
他把一张大地图挂在了一面墙上。
Learn some new words!
New words
wide [waid]
adj. 广泛的；宽的，广阔的
adv. 广泛地; 广阔地; 充分地
The bridge is wide enough for trucks to pass.
桥很宽，卡车过得去。
Come, let us go out into the wide world!
走吧，让我们离家出走到外面广阔的世界去！
Open your mouth wide when you pronounce this sound.
发这个音时,嘴要张大。
man-made [?m?n'meid]
adj. 人造的; 人工的; 合成的
Learn some new words!
New words
In 1970, China successfully launched a man-made satellite.
1970年, 中国成功地发射了一颗人造卫星。
There is a man-made lake over there.
在那边有一个人工湖。
Cotton is a natural fibre, nylon is a man-made fibre.
棉花是天然纤维，尼龙是一种人造纤维。
n. 人口；人口数量
n. 亚洲
随便（做某事）
n. 旅行；观光
n. 旅行者；观光者
n. 墙
Let's read together!
population
Asia
feel free
tour
tourist
wall
New words
adj. 令人惊叹的
adj. 古代的；古老的
v. 保护；防护
adj. 宽的；宽阔的
就我所知
人造的
Let's read together!
amazing
ancient
protect
wide
as far as I know
man-made
New words
What's the highest mountain in the world?
Qomolangma
['t∫?um?ulα:?m?]
How high is Qomolangma ?
It is 8,844.43 meters high.
Top of the world
世界之最
Revision
What's the biggest desert in the world?
the Sahara
[s?'hα:r?]
How big is the Sahara?
It is about 9,600,000 square kilometers in size.
What's the deepest salt lake in the world?
the Caspian Sea
['k?spi?n]
How deep is the Caspian Sea?
It is 1,025 meters deep.
What's the longest river in the world?
the Nile
[nail]
How long is the Nile ?
It is 6,671 kilometers long.
It's one of the oldest countries in the world.
How much do you know about China?
It has a long history.
It's been around for over 5,000 years.
How long has it been there?
Lead-in
What size is it?
It's about 9,600,000 square kilometers in size.
It's the biggest country in Asia.
It's the third biggest country in the world.
How much do you know about China?
It has the biggest population in the world.
What is the population of China?
It has a population of 1,400,000,000.
How much do you know about China?
In Beijing.
Tian'an Men Square is the largest square in China.
Where is the capital of China?
How much do you know about China?
Yangtze River
Yellow River
What are the important rivers in China?
It's the third longest river in the world.
It's the longest river in Asia.
They are the cradle of the Chinese nation.
It's the second longest river in china.
It's the fifth longest river in the world.
How long is the Yangtze River?
It is 6,397 kilometers long.
How long is the Yellow River?
It is 5,464 kilometers long.
How much do you know about China?
How much do you know about China?
What is the most famous place of interest in China?
the Great Wall
It's is the biggest man-made object in the world.
It is also a symbol of the Chinese nation.
视 频
Warm up
上下五千年，悠悠华夏史，中华民族创立的灿烂辉煌文明，永远是华夏儿女的骄傲！
Warm up
How long is the Yangtze River?
How long is the Yellow River?
How long does the history of China last?
How old is the USA?
What's the population of China?
What's the population of America?
Which country is larger, China or America?
Do you know?
My pen pal Mike from the USA is in China now. Can you tell him a bit more about China? Can you find the differences between China and America?
Before-Listening
Listening
___ 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, and it is the biggest
country in Asia.
Listen and number the facts (1- 4) in the order you hear them.
4
2
1
3
Listening
Listening
___ 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, and it is the biggest
country in Asia.
4
2
1
3
6,300 5,000 5,464 300
Listen again and fill in the blanks with the numbers in the box.
Listening
Listening
Can you read them?
6,300
six thousand three hundred
5,000
five thousand
5,464
five thousand four hundred and sixty-four
300
three hundred
Listening
___ 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, and it is the biggest
country in Asia.
4
2
1
3
6,300 5,000 5,464 300
Listen again and fill in the blanks with the numbers in the box.
6,300
5,464
5,000
300
Listening
Listening
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.
听力原文
中国是世界上最古老的国家之一
中国人口比美国多很多
中国和美国国土面积差不多大
长江是亚洲最长的河流
Listening
A: I hear that China is very old. How old is it?
B: _________________________
A: It's much older than our country. What about the population of China?
B: _____________________________________ It's much bigger than the
population of the US.
A: ___________________________________
B: It's sure China. It's bigger than any other country in Asia. And the
Yangtze River is the longest in Asia.
A: _______________
B: It's about 6,300 kilometers long. It's very important to China.
用恰当的句子完成对话
It's over 5,000 years old.
It has the biggest population in the world.
Which is the biggest country in Asia?
How long is it?
After-Listening
Listening
1. Did you know that China is one of the oldest countries
in the world?
1) “one of the + 形容词最高级 +可数名词复数”意为 “最…的…之一”。此结构作主语时,谓语动词要用第三人称单数。
One of the girls in red is my sister.
2) that China is ...是know的宾语从句，尽管主句的时态是一般过去时，但由于宾语从句陈述的是客观事实，所以从句仍用一般现在时。
He told me that the earth is larger than the moon.
Language points
2. It’s a lot bigger than the population of the US.
1) a lot 修饰形容词的比较级bigger, 表示“……得多”。
在比较级结构中, 为了强调程度, 可在比较级前加上 a lot, a little, a bit, much, even, still等修饰语。
much/a lot/far表示“…的多”; a little/a bit表示“ 一点儿，稍微”; even “甚至”; still “还要，还”, 等。
Lesson One is much easier than Lesson Two.
Tom looks even younger than before.
汤姆甚至比以前更年轻。
It is still colder today than yesterday. 今天比昨天还冷。
Language points
2) population “人口，人口数”
① population指某个国家、地区或城市的人口,常与定冠词the连用,作主语用时,谓语动词常用第三人称单数形式。
The world's population is increasing faster and faster.
② 当主语是表示"人口的百分之几、几分之几"时,谓语动词用复数形式。例如:
About 70℅ of the population in China are farmers.
③ population of与数词连用，其前可用不定冠词。
China has a population of about 1.3 billion.
= The population of China is about 1.3 billion.
Language points
? 表示人口的"多"要用large/big/great; 表示人口“少”要用small修饰。例如:
India has a large/big population. 印度人口众多。
Singapore has a small population. 新加坡人口少。
⑤ 询问“某地有多少人口”要用What或How large提问，不用how many或how much等词语。
- How large is the population of your hometown?
你们家乡有多少人口?
- What is the population of Canada?
加拿大的人口有多少?
Language points
3. China is almost as big as the US, but it is the biggest
country in Asia.
“as + 形容词或副词的原级+ as”意为“和……相同；
与……一样”，用于同级之间的比较。
This film is as interesting as that one.
Your pen writes as smoothly as mine.
补充：
“not as / so + 形容词或副词的原级 + as”意为“和……不一样；与……不同”。
This dictionary is not as/so useful as you think.
Language points
4. China is about the same size as the US.
1) the same as... 意思是 “与 ... 同样的”。e.g.
Mary looks the same as her mother.
She felt just the same as he did. 她和他的感受相同。
the same...as...表示"与……同样的..."。e.g.
My father works in the same company as lisa's uncle.
This is the same pen as I lost last week.
这同我上周丢失的那支钢笔一样。
2) about adv. “几乎，差不多” = almost
Dinner is about ready. 中饭就要做好了。
Language points
Make conversations using the information in 2a.
Group work
A: Did you know that China is one of the oldest
countries in the world?
B: Yes, I did. It’s much older than any country.
Did you know that China is
one of the biggest country
in the world?
Yes, I did. It's almost as big as
the US.
Role-play
Example 1
Role-play
Did you know that China has the biggest population in the world?
Yes, I did. It’s a lot bigger than
the population of the USA.
Example 2
Did you know that Yangtze
River is much longer than
the Yellow River?
No, I didn't. How long is it?
It's 6,300 kilometers long.
Wow! That's very long.
Example 3
Role-play
It lies in many provinces. It is very famous all over the world. It is
about 21,196.18 kilometers long. It was built by emperors in different times. They want to protect their part of the country.
It was made of stones and earth. It was difficult to build it in ancient times without any modern (现代的)machines. All the work was done
by hand. So it is a man-made object.
It is wide enough for five horses or ten men to walk side by side. As far as I know, it is an amazing wonder(奇迹). Lots of tourists vis it there every day .
The Great Wall
Let's play a guessing game
Lead-in
视 频
Warm-up
It is a man-made object.
(人造的)
As you can see.
It's quite long , wide and tall .
Warm-up
He who has never been to the Great Wall is not a true man.
That's amazing .
Warm-up
What's the conversation about?
It's about a tour to the Ming Great Wall.
Listen to the conversation and answer:
Listening
Listening
Read the conversation and answer the questions:
1. Which is the biggest man-made object in the world？
2. Which is the most famous part of the Great Wall?
3. How long is the part from the Ming Dynasty?
4. Why did the ancient emperors build the wall?
The Great Wall.
Badaling part of the Ming Great Wall.
It's about 8,850 kilometers long.
The main reason was to protect their part of the country.
Reading
Reading
Let's feel free ______ about the Great Wall. If we are only
talking about the parts from ______ ________, it is about
8,850 ______________. This makes it ______________ in
the world. The ancient emperors built it _________ their
part of country. ___ we can see, It's quite ____ and ____.
There are no other man-made _______ as ____as it. And
Badaling is _______________ part of the Great Wall.
to talk
kilometers long
the longest wall
to protect
tall
wide
objects
big
the most famous
Read again and complete the passage.
As
Ming Dynasty
Reading
Reading
G: Feel free to ask me anything on today's Great Wall tour.
T: How long is the wall?
G: 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.
T: Wow, that’s amazing! Why did the ancient emperors build the wall?
G: 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 man-made
objects as big as this.
T: Is Badaling part of the Ming Great Wall?
G: Yes, it’s the most famous part.
Role-play the conversation.
随便…
关于
长城之旅
明朝
了不起的
古代皇帝
保护他们国家的部分领土
如你所见
据我所知
人造物品
Reading
Listen and repeat.
1. Feel free to ask me anything on today’s Great Wall tour.
feel free意思是 “ 随便, 感觉自由, 感觉轻松”，不及物动
词短语，是英语口语中一个常用表达。e.g.
They live in a free country, but they don't feel free.
feel free to do sth. “随意做某事”
Feel free to eat dinner here anytime!
你随时都可以来这里吃晚餐！
If you need help with anything, please feel free to ask me.
如果有什么需要我帮助之处尽管找我，请不要客气。
Feel free to go where you like.
你想到哪儿去就可以到哪儿去。
Language points
2. The main reason was to protect their part of the country.
1) to protect...是动词不定式短语作表语。
My habit is to collect the stamps。
His job is to paint the walls.
2) protect 意思是“保护,保卫”, 及物动词,可接名词或代词作宾语,也可接介词from/against引起的短语充当宾语补足语, 表示“保护…免遭…的损害或侵犯”, 较大的事件如天灾多用against，小事件如冷天气则用from。
We should protect the environment against pollution.
Wearing dark glasses can protect your eyes from the sun.
Language points
3. As you can see, it’s quite tall and wide.
as 在此充当关系代词, 引导非限制性定语从句, 指代前文或后文的整个句子, 它在从句中作主语、宾语或表语。从句可放在句首、句中和句末。译为 “正如，就像”。
As is known to us all, the earth turns round the sun.
He succeeded, as we had expected.
She's a fine dancer, as her mother used to be．
David, as you know, is a photographer.
Language points
3. As far as I know, there are no other man-made objects
as big as this.
1) as far as的用法：
① as far as 作从属连词, 意为“就…来说, 在…范围内”,
引导状语从句, 强调程度或范围, 从句中动词常用know, see
等, 相当于so far as.
As far as I know, he has been abroad.
② as far as作短语介词或连词, 意为 “像…那样远, 远
到…, 直到…”。
You can see as far as the coast.
She didn't go as far as the others(did).
Language points
2) man-made是一个合成形容词, 意为 “人造的”。这种复合形容词中的过去分词与名词之间具有主谓关系。其中的过去分词在时间上表示完成, 语态上表示被动, 相当于 “过去分词 + by sb./sth.”短语。再如：
hand-made “手工制作的” home-made “家做的“
machine-made “机制的” ailor-made “特制的, 定做的”
用以描述产品的生产或制造手段，特点等。
We only sell home-made bread and cakes.
The movie role was tailor-made for that actor.
Language points
一、根据句意选择恰当的单词填空。
deep, protect, tourist, wide, population
1. These American _______ are all interested in the Summer
Palace.
2. - How _____ is this lake? - About 30m. But I’m not sure.
3. - The __________ of this city is 80, 000, 000.
- Wow, so many people!
4. This river is 30m long and 12m _____.
5. Everyone should try their best to _______ our environment.
tourists
deep
population
wide
protect
Exercise
Exercises
1. Many ________ (tour) come here to visit the big tree every
year.
2. India is one of the oldest _________ (country) in Asia.
3. The population of China ___ (be) the largest in the world.
4. Mountain Tai is a lot ______ (high) than any other
mountain in Shandong.
5. Mary didn't go to the party,the main reason is ________
(study) for the test.
二、用所给词的适当形式填空：
tourists
countries
is
higher
to study
Exercise
Exercises
三、句型转换
1. This is a 2,500-meter-long river.(改为同义句)
This river is _____ ______ _____.
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. (划线提问）
_____ ___ the population of Australia?
4. The Great Wall is the longest wall in the world.(同义句)
The Great Wall is ______ ____ any other wall in the world.
5. Qomolangma is the highest mountain in the world.(划线提问）
_____ ___ the highest mountain in the world.
2,500 meters long
larger than
What is
longer than
What is
Exercise
Exercises
1. 孩子们，桌子上的东西随便吃！
Children, ____ ____ to eat anything on the table!
2. 在所有湖中哪一个最大？
Which one is the biggest __ __ ___ _____?
3. 他迟到了，主要原因是他起晚了。
He was late and the _____ ______ was that he got up late.
4.中国人口非常多。
China’s __________ ___ ____________.
5. 就我所知，他喜欢下棋。
___ ___ __ _ _____ , he likes playing chess.
feel free
of all the lakes
main reason
四、根据汉语意思完成英语句子，每空一词。
As far as I know
Exercise
Exercises
population is large / great
Homework
1. Write a passage about China, using the
information in 2a, 2b and 2d.
2. Preview the passage in 3a.
谢谢
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