Unit 7 Section A Grammar Focus-4c 课件 （人教版八年级下册Unit 7 What's the highest mountain in the world?）

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人教新目标Go For It八年级英语下册
Unit7 what's the highest mountain in the word SectionA Grammar Focus-4c
What do these conversations have in common
Comparisons.
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.
翻译：Grammar Focus
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？
珠穆朗玛峰是多高？
它比任何其他山脉高。
世界上哪个盐湖最深？
里海是世界上最深的盐湖。
是的，它比美国古老
你知道中国是世界上最古老的国家之一吗？
To read without reflecting is like eating without digesting
形容词和副词的原级,比较级,最高级的用法
比较级
This mountain is much higher than that one.
My mom got up earlier than me this morning.
“比较级+than…”意为 “比……更……一些”
Let’s learn
To read without reflecting is like eating without digesting
形容词和副词的原级,比较级,最高级的用法
Bajie, stop eating!
The more you eat,
the heavier you will be.
I just love the delicious food. I don't agree with you!
The more I eat,
The stronger I will be.
The+比较级…,
The+比较级…
意为“越……，越……”
比较级
Let’s learn
To read without reflecting is like eating without digesting
形容词和副词比较等级的常用结构
1. “比较级+ than any other +名词+其他”
表示“比其他任何一个……都……”
该结构可与“the+最高级+其他”相互转换
The bag is cheaper than any other bag in the store.
=The bag is the cheapest in the store.
2. “比较级 + and + 比较级”表示“越来越……”
The earth is getting warmer and warmer.
地球变得越来越暖和。
To read without reflecting is like eating without digesting
3. “the + 比较级, the + 比较级”表示
“越……， 就越……”
The more you practice, the better you’ll play the piano.
4. “the + 比较级 + of the two”表示“两者之中更……的那一个”
Susan is the taller of the two girls.
5. “数词 + times + 比较级 + than”表示
“……是……的几倍”
The elephant weighs ten times more
than the panda.
另: 比较级前可用much, a little, a lot,
even等修饰， 表强调，如：
The girl sang even worse this time than usual.
To read without reflecting is like eating without digesting
Grammar Focus
比较级的特殊结构：
形容词比较级+than+any other+名词单数
形容词最高级+than+any +名词单数
最高级结构：
the+形容词最高级+（名词单数）+in/of+范围
one of+the+形容词最高级+名词复数+in+范围
What’s the difference between what and which
many
a few
Fill in the blanks with the correct forms of the words in the box.
4a
big much popular long old high
The Amazon River is one of the _______ rivers in the world. It’s a little ______ than the Yangtze River.
Qomolangma is 8,848.43 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.
longest
longer
high
popular
big
older
much
Be very interested in activity and spend a lot of time doing it.
The Pacific Ocean is the biggest ocean in the world.
Japan has 1700 years history but Canada only has 100 years history.Canada is the second biggest country in the world.
To read without reflecting is like eating without digesting
比较级（Comparative Degree）就是将二者进行比较产生的词形
一般情况下
变化方式
构成条件
例词
1、直接加—er
2、直接加—r
以不发音字母e结尾
3、变y为i加—er
happier
nicer
辅音字母+y结尾
smaller
4、双写末尾词字母加—er
bigger
more interesting
辅元辅结尾（巧记：大红胖瘦湿热悲）
5、在形容词前加more
多音节词或带有adj或adv后缀的词
To read without reflecting is like eating without digesting
1.“比较级+than any other+可数名词单数”=“比较级+than the other+可数名词复数”表示“比其他任何……都……”, 表示最高级含义， 可与表示最高级的句子进行转换。
My father is the tallest one in my family.
=My father is taller than any other member in my family.
=My father is taller than the other members in my family.
Presentation
可用于修饰形容词和副词比较级程度的副词（短语）有：
much, a little, even, a lot, a bit, far等。
二、比较级的用法
一、原级的用法
基本结构 as ... as ... “和..….一样”
Zhang Hong is as tall as Tom. 张红和汤姆一样高。
To read without reflecting is like eating without digesting
Two cities:
Singapore & Kuala Lumpur (吉隆坡)
Kuala Lumpur is as modern as Singapore.
Singapore is bigger than Kuala Lumpur and has a larger population than Kuala Lumpur.
Sample answers:
Two animals:
Monkey and Dog
A dog is bigger than a monkey.
2. A monkey is smaller than a dog, but it
climbs a tree faster than a dog.
To read without reflecting is like eating without digesting
Write two comparisons about two topics. Write true facts.
4b
Two rivers: _______________ and _____
____________
1. ______________________________________
________________________________________
2. ______________________________________
_____________________________________
Two cities: __________ and ___________
1. __________________________________
2. __________________________________
Two animals: __________ and ___________
1. __________________________________
2. __________________________________
the Yangtze River 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.
策略：可以比较城市的面积、人口、历史等
策略：可以比较动物的height、weight、speed奔跑速度、appearance外貌特征等
rules:
1.as...(形容词或副词原级) as...
2.adv.+形容词或副词比较级
much/a lot/even/much/far
a little bit/kind of
3.two people
To read without reflecting is like eating without digesting
表示比较的几种基本句型
1.A=B（程度相同）；
as…as … 和...一样
① He is as tall as Tom.
他和Tom一样高。
② He runs as fast as Tom.
他跑的和Tom一样快。
To read without reflecting is like eating without digesting
2. “比较级 + and + 比较级”表示“越来越……”
The earth is getting warmer and warmer.
地球变得越来越暖和。
3. “the + 比较级, the + 比较级”表示“越……，就越……”
The more you practice, the better you’ll play the piano.
4. “the + 比较级 + of the two”表示“两者之中更……的那一个”
Susan is the taller of the two girls.
5. “数词 + times + 比较级 + than”表示
“……是……的几倍”
The elephant weighs ten times more than the panda.
To read without reflecting is like eating without digesting
Qogir 乔戈里峰, 世界第二高峰
Qomolangma
8844 meters
8611 meters
3099 meters
1260 meters
Qogir
Emei
Qingcheng
The highest mountain
Of all the mountains, Qomolangma is/rises the highest.
Qomolangma is higher than any other mountain.
=
To read without reflecting is like eating without digesting
形容词和副词的原级,比较级,最高级的用法
比较级
The weather is getting colder and colder. We should wear more!
You are right, Wujing. The task will be more and more difficult, too.
“比较级 + and + 比较级” 或 “more and more+ 形容词/副词原级”，表示 “越来越……”
Let’s learn
To read without reflecting is like eating without digesting
形容词和副词的原级,比较级,最高级的用法
比较级
The task is much more difficult.
The task is a lot more difficult.
The task is far more difficult.
Be optimistic(乐观的)! The task is just a little more difficult.
当表示一方超过另一方的“程度”时，可以用much, a lot, a little, a bit, even, far等来修饰形容词比较级。注意：比较级不能用very, so, too等修饰。
Let’s learn
To read without reflecting is like eating without digesting
Fill in the blanks with the correct forms of the words in the box.
4c
big much popular long old high
The Amazon River is one of the _______ rivers in the world. It’s a little _____ than the Yangtze River.
Qomolangma is 8,848.43 meters _____. It’s one of the most ________ places for serious mountain climbers.
longest
longer
high
popular
Practice
3. No ocean in the world is as ___ as the Pacific Ocean.
4. Although Japan is _____ than Canada, it is _____ smaller.
big
older
much
To read without reflecting is like eating without digesting
形容词和副词的原级,比较级,最高级的用法
最高级
主+be+形容词最高级+名词+范围。
主+动词或动词短语+副词最高级(the可省略)+范围。
The Yangtze River is the longest river in China.
She jumps (the) farthest of the three.
最高级常与介词in或of短语连用表范围
Let’s learn
形容词和副词的原级,比较级,最高级的用法
比较级
My mom is taller than my dad.
___________________________
Who is taller, My mom or my dad
The horse walks faster than the turtle.
_________________________
Which animal walks faster
Who/Which+……+比较级, A or B
Let’s learn
To read without reflecting is like eating without digesting
Two animals:
Monkey and Dog
A dog is bigger than a monkey.
A monkey is smaller than a dog, but it climbs a tree faster than a dog.
策略：可以比较动物的身高(身长)、体重、奔跑速度、外貌特征以及寿命等
To read without reflecting is like eating without digesting
Write two comparisons about two topics. Write true facts.
Two cities:
Singapore and Kuala Lumpur(吉隆坡)
Kuala Lumpur is as modern as Singapore.
Singapore is bigger than Kuala Lumpur and has a larger population than Kuala Lumpur.
For example:
策略：可以比较城市的面积、人口、历史等
To read without reflecting is like eating without digesting
1. Jack是他们班最高的男生。
Jack ___________ boy ___ his class.
2. 我现在感觉比昨天好多了。
I ____ much ______ than yesterday.
3. —北京最好的季节是哪个？
—我觉得是秋天。
I. Put the following sentences into English.
is the tallest in
feel better
—Which is the best season in Beijing
—I think it’s autumn.
To read without reflecting is like eating without digesting
4. — How was your math exam, Nancy
— I think I did it well, although it was
____________ (difficult) than the
last one.
5. I’d like to know if Linda is the second
______ (tall) girl in her class.
6. — Did you have a wonderful time at
the party
— Yes, it’s the _______________
(exciting) one I’ve ever been to.
more difficult
tallest
most exciting
1. Does China develop ______ (fast) of all the countries in the world
2. My brother Jimmy writes _________　　　　 _________ (careful) in his class.
3. Which shirt do you like _____ (good), the white one or the blue one
4. Tom finishes his work ____________ (quick) than Jim.
1. Does China develop ______ (fast) of all the countries in the world
2. My brother Jimmy writes _________　　　　 _________ (careful) in his class.
3. Which shirt do you like _____ (good), the white one or the blue one
4. Tom finishes his work ____________ (quick) than Jim.
fastest
the most
better
more quickly
carefully
II. 用括号内所给单词的适当形式填空。
To read without reflecting is like eating without digesting