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3 、百、千、万 百 hundred 100 one hundred
200 two hundred
以此类推 ····
千 thousand 1 000 one thousand
2 000 two thousand·········
英语里没有“万”这一单位,万也用 thousand
表示。如: 10 000 ten thousand 一万 20 000
twenty thousand 两万 ·····
4 、十万、百万十万的说法是: 100.000
a (one) hundred thousand
200.000
two hundred thousand
million 百万 a (one) million 1,000,000
two million 2,000,000
········ 以此类推 ······
8,000,000 eight million
练一练
345
1001
18,657,421
three hundred and forty-five
one thousand (and) one
eighteen million, six hundred
and fifty-seven thousand, four
hundred and twenty-one
1.The project lasted 5 years and cost 2 billion dollars.
2. The Chinese have been making paper for two thousand years.
3. One thousand pounds is a lot of money.
表示确定数量时 用基数词 + hundred , thousand , million , billion
1.The project lasted 5 years and cost 2 billion dollars.
2. The Chinese have been making paper for two thousand years.
3. One thousand pounds is a lot of money.
表示确定数量时 用基数词 + hundred , thousand , million , billion
多位基数词读法
457
890
608
389 three hundred and eighty-nine
four hundred and fifty-seven
eight hundred and ninety
six hundred and eight
11 )) 101~999101~999 的三位数由的三位数由“百位数+“百位数+ and+and+ 两位两位数组成”。数组成”。 如:如: 325—three hundred 325—three hundred and twenty-and twenty-fivefive 102 one hundred and two
635 six hundred and thirty-five
2) 三位数以上的数,从个位往前数,每三位数加一个逗号,从后往前数的第一个逗号代表thousand, 第二个逗号代表 million, 第三个逗号是 billion ,注意这几个词不能用复数形式,后也不能加 and 。例如:
2,648
two thousand, six hundred and forty-eight
16,250,064
sixteen million, two hundred and fifty thousand, sixty-four
确切数目与不确切数目的表达:hundred, thousand, million, billion 等前面有基数词,表示确切数目时,用单数,后直接接复数名词;如:three hundred books
one hundred people
five thousand students
seven million starts
表示不确切数目时,这类词后加 -s 且与 of
连 用。如: hundreds of people
thousands of students
millions of birds
billions of lions
注意:这类短语中,名词前如有定冠词、指 示代词或形容词性物主代词时,可加 of, 但 表示的是范围。如: two hundred of the
workers 工人中的二百(人)
square n. 平方70 square kilometers in size面积 120 平方千米
meter n. 米1.62 meters tall /high1.62 米高
ancient adj. 古代的
wide adj. 宽的;宽阔的3 meters long / wide/ deep 3 米长 / 宽 / 深
deep adj. 深的 desert n. 沙漠
population n. 人口
Asia n. 亚洲
tour v. n. 旅行 tourist n. 旅行者
wall n. 墙 amazing adj. 令人大为惊奇的
Do you know these places of interest? 游览胜地
Qomolangma
Qomolangma runs along the border 边界 between China and Nepal. It is covered with snow all the year round 终年被雪覆盖 . It’s 8844.43 meters high, the highest in the world. It’s 26 kilometers long.
The Nile is the longest river in the world. It’s more than 6600 kilometers long. It runs through 9 countries, it’s one of the largest river flows 河流 through the international states in the world and runs into the Mediterranean Sea( 地中海 ) in the end 最终 .
The Nile
The Caspian Sea
The Caspian Sea is the biggest lake in the world. It lies in the border 边界 between Asia and Europe.
The Sahara is the biggest desert in the world. It is located in 坐落于 the northern Africa, climate conditions 气候条件 are very bad, is one of the earth‘s most not suitable 适合 for biological survival 生物生存 .
The Sahara
The Yangtze River is the third longest river in the world. It’s 6211.31 kilometers long. The Yangtze River Basin 流域 , east-west width 宽度 of 3219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces 省 . It runs into the East Sea in Shanghai finally.
The Yangtze River
Which is the highest mountain in the world?Which is the longest river in Asia?... …
1a Match the facts you know.
Qomolangma about 9,600,000 square kilometers in size
The Sahara 1,025 meters deep
The Caspian Sea 6,671 kilometers long
The Nile 8,844.43 meters high
Practice in pairs like this:
A: Which is the … in the …?
B: …
A: How high is Qomolangma?
B: It’s 8,844 meters high.
The biggest desert in the world
is about 8,000,000 square kilometers in size.
How big is the Sahara?
It’s about 8,000,000 square kilometers 平方米 in size 面积 .
Yesterday, we learned some important geographical 地理的 facts 事实 .
I hope you all still remember them.
I’m going to 准备 test 检测 you now
by asking a few questions 通过问一些问题 .
Are you good at geography 地理 ?
1.Which is the longest river in the world?
2.What’s the highest mountain in the world?
3.Which is the biggest desert in the world?
4. Which is the deepest salt lake in the world?
The Nile is the longest river in the world.
The Amazon is the second longest in the world.
Qomolangma is higher than any other mountain= the highest mountain in the world.
The Sahara is the biggest desert in the world.
The Caspian Sea is the deepest of all the salt lakes.
1.How big is China?
It’s about _________ square kilometers in size.
2. How high is Qomolangma ?
It’s about ___________ meters high.
3. How long is the Nile ?
It’s __________ kilometers long.
4. How deep is the Caspian Sea?
It’s ____________meters deep.
5. How big is the Sahara?
It’s about ________ square kilometers in size.
9,600,000
8,844.43
6,671
1,025
9,600,000
1b Listen and complete the sentences.
1. Qomolangma is ______ than any other
mountain in the world.
2. The Sahara is ____________ desert in the
world.
3. The Caspian Sea is ____________ of all
the salt lakes.
4. The Nile is _________ river in the world.
higher
the biggest
the deepest
the longest
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
2b Listen again and fill in the blanks in 2a with the numbers in the box.
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.
6,3005,464
5,000300
Can you tell me a bit more about China?
1. China is ________________( 世界上最古老的国家之一) .
2. It is _________________________ ( 5000 多年)
3.It is _________________( 比…悠久的多) than America.
4.China has ____________________________ ( 最多人口 ).
It’s _________________________________ ( 人口比美国多得多)
5.China is about ____________________ ( 和美国面积一样大 ).
It’s _________________________ ( 亚洲最大的国家)
6.The Yangtze River is ___________________( 亚洲最长的河流)
It’s about 6, 300 _______________ ( 千米长)
The Yellow River is 5,464 kilometers long. Both rivers ________________ ( 对中国很重要) .
one of the oldest countries in the world
over 5000 years old
much older
the biggest populationa lot bigger than the population of the United States
the same size as the USthe biggest country in Asia
the longest river in Asia
kilometers long
are very important to China
Who can tell me what the United States is ?
1.The United States is one of the youngest countries in the world. ( 世界上最年轻的国家之一)
it’s not even 300 years old.
2. It’s a lot smaller than the population of China.
It has smaller population than China.
3.It is about the same size as China.
2c 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.
A: Did you know that Yangtze River is the
longest river in China?
B: Yes, I did. It’s 6,300 meters long.
B: Wow! That’s long!
2d Read the conversation and answer the questions:
1. Which is the biggest man-made objects 人造物体 in the world ?
2. Which is the most famous part 最有名的部分
of the Ming Great Wall?
The Great Wall.
Badaling part of the wall.
feel free to do sth. 只管按意愿去做
on today’s Great Wall Tour 在今天的长城游览中
the most popular question 最普遍的问题
the parts from the Ming Dynasty 来自明朝的部分
the ancient emperors 古代的皇帝
the main reason 主要理由
as far as I know 据我所知
to protect their part of the country 为保护他们国家的地方
the man-made objects 人造物体
A: To memorize the important phrases
and sentences.
B: To make some dialogues about asking
the size of objects.