Unit 7 What's the highest mountain in the world?Section A 1a-1c课件(共41张PPT)

(共41张PPT)
形容词，副词的
比较级和最高级
Tip1:一般情况加-er;-est
tall
taller
the tallest
Tip2:以e结尾的词加-r;-st
nice
nicer
the nicest
Tip3: 辅音字母+y，变Y为i再加-er; -est
happy
happier
the happiest
fat
the fattest
fatter
Tip4:以重读闭音节结尾且末尾只有一个辅音，
双写末尾辅音再加-er;-est
Tip5:部分双音节或多音节词，在其前加more ; most
beautiful
more beautiful
the most beautiful
important ______________ _________________
easy___________________ ___________________
wet___________________ ____________________
happy________________ ____________________
careful ________________ __________________
thin _________________ __________________
hot __________________ ____________________
easily ________________ ____________________
many________________ ____________________
nice ________________ ____________________
big _________________ ____________________
heavy______________ ____________________
delicious____________ ____________________
much_______________ _____________________
more important
most important
easier
easiest
wetter
wettest
happier
happiest
more careful
most careful
thinner
thinnest
hotter
hottest
more easily
most easily
more
most
nicer
nicest
bigger
biggest
heavier
heaviest
more delicious
most delicious
more
most
原级 比较级 最高级
good/well
bad/badly
many/much
little
far
better
best
worse
worst
more
most
less
least
farther
farthest
further
furthest
Irregular Inflection（不规则变化）:
Shanghai
Hong Kong
Shanghai is big.
Shanghai is bigger.
Shanghai is bigger than Hong Kong.
Shanghai is the biggest.
Shanghai is the biggest in China.
Swimming is dangerous.
Swimming is more dangerous.
Swimming is more dangerous than dancing.
Swimming is the most dangerous.
Swimming is the most dangerous of all sports.
swimming
dancing
It's becoming hotter and hotter.
“越来越.....” 比较级+and+比较级
The girl is becoming more and more beautiful.
多音节和部分双音节用 more and more+原级
My English is getting _______________.
It’s becoming ______________________ to find a job.
找工作越来越困难了。
我的英语越来越好了。
more and more difficult
better and better
The more careful you are, the fewer mistakes you will make.
你越细心，犯的错就会越少。
“越....就越....” the+比较级，the+比较级。
The sooner，the better.
越快越好。
-Do you know______ you eat, _____ you will be
-Sorry, I won't eat too much. I'm too fat now.
A. the more, the fatter
B. more, fatter
C. the more, the more fatter
D. more, more fatter
A
Tom is much younger than Sam.
我的自行车比她的更好看。
My bike is _________________________ beautiful than hers.
even/ much/ a lot more
In Changsha, it's hot in July, but it's much _____ in August.
A. hot B. hotter C. hottest D. the hottest
much/ a lot/ quite ...得多； even 更
a little/ a bit/ a little bit 一点
B
The ruler is as long as that one.
The girl runs as fast as the boy.
“与...一样...” as...as...
“不如...” not as/so...as...
1.他和我一样忙。
2.她的头发和我的一样长。
He is as busy as I/me
Her hair is as long as mine/my hair.
桂林是中国最美丽的城市之一。
Guilin is ___________________________ in China.
one of the most beautiful cities
one of the+形容词最高级+复数名词
“最……之一”
The Yellow River is the second longest river in China. 黄河是中国第二长河。
the+序数词+最高级+单数名词
“第几...”
（ ）1. The pen is __________ than that one.
A. more cheap B. cheap
C. much cheaper D. quite cheaper
C
( ) 2. He jumps ________ of the three.
A. far B. further C. farthest D. furthest
C
( ) 3. Susan’s flowers are ______than Kitty’s.
A. beautifuler B. more beautiful
C. beautiful D. the most beautiful
( ) 4.The _____you listen to English, the ____ it becomes.
A. many；easy B. many; easier
C. more; easy D. more; easier
( ) 5. He is getting ______ and ________.
A. stronger; stronger B. strong; strong
C. stronger; strong D. strong; stronger
B
D
A
( )7. The Changjiang River is one of ______ in the world.
A. the longest river B. longest rivers
C. the longest rivers D. longer rivers
( ) 8.Who has___ apples now, Jim, Lily or Lucy
A. much B. biggest
C. better D. the most
( ) 9. It is hot today, thought not so___ as yesterday.
A. hot B. hotter C. hottest D. the hottest
( ) 10. —How are you today, Lucy
—Much ______ .
A. well B. good C. better D. best
( ) 11. What are you___at, speaking or writing
A. good B. well C. better D. best
C
D
A
C
C
Let’s read!
three
one thousand
and twenty-three
twenty-three
one hundred
and twenty-three
six thousand
six hundred
and twenty-three
23
1023
123
3
6,623
Ask：Where is the “and”
十位数前！
百
101
320
678
542
769
298
hundred
one hundred and one
three hundred and twenty
six hundred and seventy-eight
five hundred and fourty-two
seven hundred and sixty-nine
two hundred and ninty-eight
1,000
2,000
one thousand
two thousand
3,025
three thousand and twenty-five
6,325
six thousand three hundred and twenty-five
8,005
eight thousand and five
eight thousand eight hundred and forty-four
point four three
8,844.43
111 ,111 ,111
要读一组长数字，可以先把这组数字分3个数字一组用逗号隔开
111111111
million
（百万）
thousand
（千）
英语里没有万，十万的表达
10,000：ten thousand
100,000： one hundred thousand
one hungred and eleven million
one hundred and eleven thousand
one hunderd and eleven
2.16
zero point one
0.1
two point one six
52.358
fifty two point three five eight
1.米
2.千米,公里
3.平方米
4.平方公里
meter
square meter
kilometer
square kilometer
Unit 7
What's the highest mountain in the world
What can you learn from geography classes
geography
Some facts about the world
（世界知识）
mountain
desert
river
lake
ocean 洋
sea
What is the highest mountain in the world
Qomolangma
How high is Qomolangma
It's 8,844.43 meters high.
eight thousand
eight hundred and forty-four
point four three
What is the longest river in the world
the Nile
尼罗河
How long is the Nile
It’s 6,671 kilometers long.
six thousand
six hundred and seventy-one
What is the deepest salt lake in the world
the Caspian Sea
里海
deep--deeper--deepest 深的
How deep is the Caspian Sea
It's 1,025 meters deep.
one thousand
and twenty-five
what is the biggest desert in the world
the Sahara
撒哈拉沙漠
How big is the Sahara
It's 9,600,000 square kilometers in size.
nine million
six hundred thousand
沙漠
How big...
How deep...
How long...
How high...
summary
长，宽，高, 深的表达：基数词+单位+形容词（long/deep/high/tall/wide)
1025 meters deep
8844.43 meters high
6671 kilometers long
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
“比其他任何都...”
比较级表最高级
1b
Listen and complete the sentences.
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
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!
1c
Use the information in 1a and 1b to make conversations.
Qomolangma
What is the highest
mountain in the world
Qomolangma
How high is it
It’s 8,844.43
meters high
1c
Use the information in 1a and 1b to make conversations.
The Sahara
What is the highest mountain in the world
the biggest desert
\the longest river
\the deepest salt lake
....
How high is it
big
long
deep
It’s ...
The Nile
The Caspian Sea
highest mountain
the deepest salt lake in the world
biggest desert /of all
longest river
higher than any other…
…meters long/deep/high/wide.