(共25张PPT)
Unit 7
What’s the highest mountain in the world
Section A 2d+GF
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.
6,300 5,000 5,464 300
six thousand three hundred
five thousand
five thousand four hundred and sixty-four
three hundred
6,300
5,464
5,000
300
Tips:
可以修饰比较级的词：much,a lot,far,even
可以修饰原级的词：
quite，very，too，so
即修饰比较级又修饰原级：
a little, a bit
population ：人口（数量）
e.g：The population of China is very large.
2.the population of ...
4
1
3
2
1.当表示人ロ“多”或“少”时,
常用形容词large, big或small修饰
population。
Activity 5 Listening
8,844.43
30,000
7,000
eight thousand eight hundred and forty-four point four three
thirty thousand
Can you read these large numbers
seven thousand
61,021
sixty-one thousand and twenty-one
Reversal Game
Reversal Game
1,430,672
2,760,431
one million, four hundred and thirty thousand, six hundred and seventy-two
two million, seven hundred and sixty thousand, four hundred and thirty-one
Look and review.
Qomolangma
No mountain in the world is ________ Qomolangma.
It is 8848.86 meters _____.
lt is ________ mountain in the world.
It is ______ than any other mountain in the world.
high
higher
the highest
as high as
Look and review.
the Nile
No river in the world is ________ the Nile.
It is 6,671 kilometers _____.
lt is _________ river in the world.
It is ______ than any other river in the world.
long
longer
the longest
as long as
the Caspian Sea
Look and review.
No salt lake in the world is ________ the Caspian Sea.
It is 1025 meters _____.
lt is _________ salt lake in the world.
It is ______ than any other salt lake in the world.
deep
deeper
the deepest
as deep as
the Sahara
Look and review.
No desert in the world is ________ the Sahara.
It is 9600000 square kilometers _______.
lt is _________ desert in the world.
It is ______ than any other desert in the world.
in size
larger
the largest
as large as
Grammar Focus
What’s the highest mountain in the world Qomolangma.
How high is Qomolangma It’s 8,848.86 meters high. It’s higher than any other mountain.
Which is the deepest salt lake in the world The Caspian Sea is the deepest of all the salt lakes.
Did you know that China is one of the oldest countries in the world Yes, I did. It’s much older than the US.
世界上最高的山是什么
珠穆朗玛峰。
珠穆朗玛峰有多高
它有8848.86米高。它比其他任何一座山都高。
世界上最深的盐水湖是哪个
里海是所有盐湖中最深的。
你知道中国是世界上最古老的国家之一吗
是的，我知道。它比美国古老得多。
Read the following sentences and find the comparatives and superlatives.
Grammar Focus
What’s the highest mountain in the world Qomolangma.
How high is Qomolangma It’s 8,844.43 meters high. It’s higher than any other mountain.
Which is the deepest salt lake in the world The Caspian Sea is the deepest of all the salt lakes.
Did you know that China is one of the oldest countries in the world Yes, I did. It’s much older than the US.
此句型用比较级表达最高级含义
形容词和副词的原级,比较级,最高级
原级
Positive form
比较级Comparative form
最高级Superlative form
没有比较含义,“……”
两者间比较,“更……”
三者及三者以上比较,“最……”
注意：某些形容词和副词只用原级，如：perfect，excellent，dead等。
比较级和最高级的变化规则
smart→smarter→smartest
tall→taller→tallest
high→higher→highest
short→shorter→shortest
slow→slower→slowest
small→smaller→smallest
1.一般在词尾直接加-er/-est
Can you think of more words
2. 以字母e结尾的词(去e)加-r/-st
wide→wider→widest
fine→finer→finest
brave→braver→bravest
large→larger→largest
late→later→latest
cute→cuter→cutest
Can you think of more words
thin→thinner→thinnest
fat→fatter→fattest
big→bigger→biggest
hot→hotter→hottest
red→redder→reddest
wet→wetter→wettest
Can you think of more words
funny→funnier
lazy→lazier
early→earlier
easy→easier
happy→happier
heavy→heavier
3. 重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-er/-est。
4. 以“辅音字母+y”结尾的双音节词，改“y” 为 “i”，再加-er/-est。
Can you think of more words
beautiful→more/mostbeautiful
interesting→more/most interesting
hard-working→more/most hard-working
popular→more/most popular
5. 多音节词和部分双音节词,比较级前加more，最高级前加most。
Can you think of more words
good/well→better→best
bad/badly/ill→worse→worst
many/much→more→most
little→less→lest
old→older/elder→oldest/eldest
far→farther/further→farthest/furthest
特殊不规则变化
(3)the＋比较级，the＋比较级，“越…，越…”，
The harder you study, the better grades you will get.
(1)A+比较级+than+B “A比B更...”
Jim is older than Geoffrey.
(2)A+less+原级+than+ B “A不如B...”
The book is less interesting than that one.
(4)具体数字、实物、倍数等+比较级+than，与具体倍数比较。
This box is three times bigger than that one.
形容词副词比较级的运用
比较级的修饰词：
a little, a bit,far , even, a lot, much
(5)比较级+than any other+单数名词(表最高级)
“比其他任何的…都…”
The Nile is longer than the other rivers in the world.
比较级
运用
Summary
(3)the+序数词+最高级+名词单数 表示“第几……的……”
The Yellow River is the second longest river in China.
(1)The +最高级+of (in) (最……)
Spring is the best season of the year.
(2)“one of the+ 最高级+可数名词复数+in/of短语”， …是最…的之一
Beijing is one of the biggest cities in China.
注意：
最高级前有物主代词时，不再加the。
Wu Fen is my best friend.
最高级
运用
形容词副词最高级的运用
形容词最高级前必须加the；副词最高级前的the可省略。
Summary
1. The Amazon River is one of the _________ rivers in the world. It’s a little ________ than the Yangtze River.
2. Qomolangma is 8,844.43 meters _______. It’s one of the most __________ places for serious mountain climbers.
3. No ocean in the world is as ________ as the Pacific Ocean.
4. Although Japan is _______ than Canada, it is ________ smaller.
Fill in the blanks with the correct forms of the words in the box.
4a
big
much
popular
long
old
high
longest
longer
high
popular
big
older
much
太平洋
n. 大海，海洋
Make comparisons according to the table.
the Nile River the Amazon River the Yangtze River the Yellow River
6,671 km 6,480 km 6,300 km 5,464 km
The Nile River is the longest river in the world.
No river in the world is as long as the Nile River.
The Amazon River is one of the longest rivers in the world.
The Amazon River is a little longer than the Yangtze River.
The Nile River is much longer than the Yellow River.
Write two comparisons about two topics. Write true facts.
e.g. Two rivers: the Yangtze River and the Amazon River
The Yangtze River is almost as long as the Amazon River.
The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China.
4b
Two cities: ________________ and _______________
________________________________________________
________________________________________________
________________________________________________
Two animals: ________________ and _______________
________________________________________________
________________________________________________
________________________________________________
Singapore
Kuala Lumpur
Kuala Lumpur is as modern as Singapore.
Singapore is bigger than Kuala Lumpur and Singapore is one of the most famous cities.
Rabbit
Snail
A Snail is not as big as a rabbit.
A rabbbit runs much more quickly than a snail and it is the cutest animal in the world.
Do you know what is the
most famous place of
interest in China
It is also one of the
greatest wonders
(奇迹) in the world.
I strongly recommend that you visit the Great wall.
He who has never been to the Great Wall is not a true man.
_______________ part of the wall.
1. How long is the Ming Great Wall
2. Why did the ancient emperors(皇帝) build the wall
3. Are there any man-made objects bigger than it？
4. Which is the most famous part of the Ming Great Wall
Badaling
It’s about __________ kilometers long.
To protect their part of the country.
Listen carefully and answer the questions.
2d
No, there aren’t.
8,850
Guide : Feel free to ask me anything on today’s Great Wall tour.
Tourist1: 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 8850 kilometers long.
This makes it the longest wall in the world.
feel free to do sth. 随便/随意…
N.&V.—旅行
tourist—游客
明朝
长8850千米
Tourist2: Wow, that’s amazing! Why did the ancient emperors build the wall
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.
Tourist3: Is Badaling part of the Ming Great Wall
Guide : Yes, it’s the most famous part.
Adj.令人惊讶的
=surprising
Adj.古代的
V.保护
Adj.宽的
就我所知=so far as I know
Adj.人造的
Let's feel free ________(talk)about the Great Wall. If we are only talking about the parts from Ming Dynasty, it is about 8,850 ________________.This makes it __________ (long)wall in the world.
The ancient emperors built it __________(protect) their part of country. It's quite ___and _____. There are no other man-made ________(object)as ____(big)as it. And Badaling is _______________ (famous)part of the Great Wall.
to talk
kilometers long
the longest
to protect
tall
wide
objects
big
the most famous
If you are a tour guide, introduce the Great wall to the visitors.
