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(共33张PPT)
Unit 3
Same or Different ？
Section A （Grammar focus）
Learning objectives
Lead-in
How to say it in English
Which apple is bigger
The left apple is bigger than the right one.
Lead-in
Can you say a sentence with ‘more than’
Who jumps more times
He jumps more times than she does.
There are more activities this year. It is more colorful than last year.
Emma is taller than Ella, but her hair is shorter than Ella’s.
Ella dances better than Emma, but Emma sings louder than her.
Emma always gets up earlier than me, but I work as hard as her!
Tips: 形容词与be动词连用；副词修饰行为动词，并往往位于动词后面。
Grammar Focus
Read the sentences and notice the comparatives in bold. Find more examples in Section A.
3a
the comparatives 比较级
Grammar Focus
定义：大多数形容词和副词有三个等级:原级(即原形)、比较级和最高级。其中比较级表示“较……”或“更……一些”,用于两者之间的比较,说明“前者比后者更(不)……”
the comparatives 比较级
Grammar Focus
1）规则变化
分类 构成方式 示例
一般情况 在词尾加-er tall-taller
fast-faster
以字母e结尾的词 在词尾加-r nice-nicer
late-later
重读闭音节词词尾只有一个 辅音字母 先双写该辅音字母，再加 -er thin--thinner
wet-wetter
以“辅音字母+y”结尾的双音节词 先把y改为i,再加-er easy-easier
early-earlier
多音节词和部分双音节词 在词前加more interesting
-more interesting
comfortable
-more comfortable
the comparatives 比较级
Grammar Focus
1）规则变化助记
比较级有变化，一般词尾加 -er。
词尾若有字母e,直接加-就可以。
辅音字母若加y,记得将y改为 i。
一辅重读闭音节,末尾字母要双写。
多双音节有规律,词前加more 就可以。
(注:“多、双音节”指多音节词和部分双音节词。)
the comparatives 比较级
Grammar Focus
2）不规则变化
good/well-better
bad/badly -worse
little -less
many/much -more
far -farther/further
the comparatives 比较级常用句型
Grammar Focus
(1)“甲+be+形容词比较级 +than+乙.”或“甲+实义动词+副词比较级+than+乙.”,意为“甲比乙……”
e.g. Tom is taller than Kate.
汤姆比凯特高。
e.g. I got up earlier than my mother this morning.
今天早晨我起得比我妈妈早。
the comparatives 比较级常用句型
Grammar Focus
(2)疑问词+be+形容词比较级,甲or乙
e.g. Which is bigger , the Earth or the Moon
哪一个更大,地球还是月球
(3)疑问词+实义动词+副词比较级,甲or乙？
e.g. Who draws better, Jenny or Danny
谁画得比较好,珍妮还是丹尼
the comparatives 比较级常用句型
Grammar Focus
(4)“甲+be+the+形容词比较级+of the two(+..).”
意为“甲是两者中较……的”
e.g. Look at the two boys. My brother is the taller of the two.
看那两个男孩,我弟弟是两个当中较高的那个。
the comparatives 比较级常用句型
Grammar Focus
(5)“比较级+and+比较级”或“more and more+原级(多音节词和部分双音节词)”,意为“越来越……”
e.g. It is getting cooler and cooler.
天气变得越来越凉爽了。
e.g. The flowers are more and more beautiful.
花儿越来越漂亮。
the comparatives 比较级常用句型
Grammar Focus
(6)“the+比较级…,the+比较级 …”意为“越……,就越……”
e.g. The more carefully you listen in class ,the more easily you can understand the knowledge.
你在课堂上听得越仔细,就越容易理解知识。
the comparatives 比较级常用句型
Grammar Focus
(7)“甲+be+倍数+形容词比较级+than +乙.”或“甲+实义动词+倍数+副词比较级+than+乙”意为“甲是乙的几倍…”
e.g. This room is three times bigger than that one.
这个房间是那个房间的三倍大。
常见的修饰比较级的前置词
Grammar Focus
(1)much /a lot/far+比较级,意为“……得多”。
e.g. He's feeling a lot better today.他今天感觉好多了。
(3)even+比较级,意为“甚至更……”。
(2)a bit/a little+比较级,意为“稍微……”。
e.g. Can you come to school a little earlier tomorrow
明天你能早点儿到校吗
e.g. This book is even more useful than that one.
这本书甚至比那本书更有用。
Exercises
(2024江苏无锡中考）
— How are you feeling today, young man
—Much .The medicine works.Thank you, Doctor.
A.best B. better
C. worst D.worse
B
Exercises
解析
我们可用“关键词法”解答此题。
much修饰形容词比较级，故选项A、C不正确;根据“The medicine works.(这药有效)”可知，感觉更好了，应用good 的比较级 better。
答案 B
Exercises
(2024山东东营中考）
Today AI technology is developing we can imagine. Nobody knows what will happen tomorrow.
A. much faster than B. as fast as
C.more slowly than D. as slowly as
A
Exercises
解析
我们可用“语境分析法”解答此题。由第二句“Nobody knows what will happen tomorrow,”可知，此处意为“如今人工智能技术的发展速度比我们想象的要快得多”，应用fast的比较级 faster,much 可修饰比较级。答案 A
Exercises
(2024四川达州中考）
The you are , the mistakes you’ll make.
A. more careful; more
B, less careful;fewer
C. more careful; fewer
C
Exercises
解析
我们可用“固定句式法”解答此题。“the+比较级…, the+比较级 …”为固定句式,表示“越…,就越…”,根据句意“你越小心,犯的错误就越少”可知,第一空用careful的比较级 more careful,第二空用 few 的比较级 fewer。
答案C
Practice
1. Q: Is Julie slimmer than you ( Julie / slim / you)
A: No, she isn’t. She is as slim as me.
2. Q: _____________________________________ (you / serious / cousin)
A: No, I’m not. I am ___________ than he is.
3. Q: _____________________________________ (Tom / smart / Sam)
A: No, I don’t think so. I think Sam is as ___________ as Tom.
4. Q: _____________________________________ ( Jack / swim / fast / Sally)
A: No, he doesn’t. He swims as ___________ as Sally.
Are you as serious as your cousin
less serious
Do you think Tom is smarter than Sam
smart
Does Jack swim faster than Sally
fast
3b
Use the words in brackets to write questions and answers.
/sl m/ adj. 苗条的；薄的
Look at the chart. Then complete the sentences to compare Guangzhou and Chicago. Use the words in the box and than.
Facts
Population (2022) 18.734 million 2.665 million
Area 7,436 square km 589 square km
Average rainfall per year 1,923 mm 910 mm
Average January temperature 16 °C -6 °C
Average July temperature 31 °C 23 °C
Guangzhou
Chicago
3c
/f kt/ n. 事实；现实
/ v r d /
adj. 平均的；平常的
/ p pju le n/ n. 人口
large small much warm cool
1. The population of Chicago was _________________ that of Guangzhou in 2022.
2. In area, Guangzhou is _________________ Chicago.
3. If you don’t like rain, you may like Chicago’s weather _________________ Guangzhou’s.
4. Guangzhou has a pleasant temperature in January. It is much _________________ Chicago in January.
5. Chicago is _________________ Guangzhou in July.
smaller than
larger than
more than
warmer than
cooler than
/ pleznt/ adj. 宜人的；友好的
Exercises
—________ is the population of Guizhou
—It has more than________ people.
A. How much; thirty eight millions of
B. How many; thirty-eight million of
C. What; thirty -eight million
D. How large; thirty- eight millions
Exercises
The population of China is _________ than _________ of Japan.
A．big, that B．larger, those
C．larger, that D．bigger, those
After taking tennis classes, Tim is much _________ than last year.
A．strong B．stronger C．strongest D．the strongest
用所给词的适当形式填空
1.Though I failed a lot ________ (many) times than I succeeded, I know how to fail well.
2.Every match was (exciting) than I thought.
3.Paul is not as _________ (popular) as Mary, but he is _________ (funny) than Mary.
4.—Mary, your brother is much __________ (tall) than before.
—Yes, he is also stronger.
5.Compared with the past, the community canteens (食堂) are providing people, both young and old, with (healthy) and cheaper dishes now.
Exercise
more
more exciting
popular
funnier
taller
healthier
cool→
按要求完成句子
1.由于环境保护，山越来越绿了。(完成译句)
Thanks to environmental protection, the mountains are becoming .
2.他的心像石头一样沉重。(完成译句)
His heart is a stone.
3. Judy has fewer magazines than Amy.(同义句转换)
Amy has magazines Judy.
4.Jane doesn’t run as fast as Mary.(保持句意不变)
Mary runs Jane.
greener and greener
as heavy as
more
than
faster than
Exercise
Exercises
1. 这个房间比那个房间大一点儿。
This room is a bit bigger than that one.
2. 她学习比我更努力。
She studies harder than me.
3. 这本书比那本书有趣得多。
This book is much more interesting than that one.
4. 他是班里最高的男孩（用比较级表达最高级）。
He is taller than any other boy in the class.
5. 今天比昨天热吗？
Is it hotter today than yesterday
Summary
规则变化：tall—taller；nice—nicer；happy—happier；beautiful—more beautiful
不规则变化：good/well—better；bad/badly—worse；many/much—more
比较级构成规则
Homework
Finish the grammar exercises in the workbook and hand them in；
Please observe people or things around you, such as your parents, your room and your desk. Use comparative degrees to describe them and prepare to share with us in the next class.
Thank you！

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