Unit 7 What's the highest mountain in the world Section A (Grammar focus-4c) 课件

Unit 7
What's the highest mountain in the world?
Section A(Grammar focus-4c)
Can you translate the following sentences into Chinese?
What’s the highest mountain in the world?
What’s the longest river in the world?
Which is the deepest salt lake in the world?
Lead-in
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.
Grammar
（一）基数词
考点1
表示数量
表示确切的数量直接用基数词，表示不确切的数量则用hundred, thousand, million, billion 等的复数再搭配介词of。
考向
eg: Two hundred people were present at the meeting.
两百人参加了会议。
Hundreds of students are playing on the playground.
数百名学生正在操场上玩。
Grammar
—Have you heard of TFBOYS?
—Certainly. About________ teenagers love them very
much in our school.
A. hundreds B. two hundreds of
C. two hundreds D. two hundred

【点拨】用语法判定法解题。考查数词用法。hundred、thousand 等数词前有数字用原形，变复数其后接of，如：hundreds of 表示数百的。
D
Let's Do It
Unluckily, _______ people were killed in the earthquake. (安顺)
A. two thousands B. thousand of
C. two thousands of D. thousands of
D
Let's Do It
考点2
表示时刻
数词表示时刻时，一般先读整点数，再读分钟数，后面可加上a.m./p.m., a. m. 表示“上午”，p.m. 表示“下午”。也可先读分钟数，再读整点数。分钟数不超过30( 包括30 分钟在内)，借助past 表示；分钟数超过30，借助to 表示。
考向
Grammar
8:30 a. m.读作eight thirty a. m.(上午8点30分)
4:05 p. m. 读作 four o five p. m.( 下午4 点5 分)
6:10 读作ten past six
9:56 读作four to ten
魔法记忆
巧记hundred，thousand，million 的用法：
模糊数目两有( 有s，有of )，
具体数目两无( 无s，无of )。
Grammar
　　（二）认识比较等级
考点 1
形容词、副词比较级和最高级构成
形容词、副词比较级和最高级有规则构成
和不规则构成两种。具体见下表：
考向
规则 示例
规则构成 一般加-er， -est high 高的 fast 快地
higher 较高的 faster 更快地
highest 最高的 fastest 最快地
Grammar
规则构成 good/well 好的/ 地 better 较好的/ 地 best 最好的/ 地bad/badly 差的/ 地 worse 较差的/ 地 worst 最差的/ 地much 多的/ 地　 more 更多的/ 地 most 最多的/ 地
little 少的/ 地　 less 更少的/ 地 least 最少的/ 地
far 远　 farther( 指距离) 较远
further( 指距离和抽象概念) 较远
farthest( 指距离) 最远
furthest( 指距离和抽象概念) 最远
规则 示例
规则构成 以“辅音字母+y”结尾的词， 将y 变为i 再加-er,-est busy 忙的 ugly 丑的
busier 较忙的 uglier 比较丑的
busiest 最忙的 ugliest 最丑的
early 早期的
earlier 更早的 earliest 最早的
其他双音节词和多音节词及分词式形容词，在词前加more,most expensive 昂贵的
more/most expensive 较/ 最贵的
quickly 快地
more/most quickly 更/ 最快地
规则 示例
不规则构成 以字母e 结尾只加-r，-st brave 勇敢的 late 晚的
braver 较勇敢的 later 更晚的bravest 最勇敢的 latest 最晚的
以一个辅音字母结尾的重读闭音节，双写这一辅音字母后再加-er, -est big 大的 hot 热的
bigger 较大的 hotter 更热的
biggest 最大的 hottest 最热的
thin 薄的
thinner 更薄的 thinnest 最薄的
形容词比较级句型
考点 2
A + be + 比较级than B.
考向一
eg: The Amazon is longer than the Yangtze , but the
Yangtze is the longest river in China.
亚马孙河比长江长，但是在中国长江是最长
的河流。
Grammar
主语+ 谓语+ 比较级+ 名词＋ than ＋对等成分。
考向二
eg: Tom has shorter hair than Sam.
汤姆的头发比萨姆的头发短。
Which/Who + be + 比较级，A or B?
考向三
eg: Which is easier, math or English?
哪个更简单，数学还是英语？
Who is taller, Tom or Jack?
谁更高，汤姆还是杰克？
Grammar
A + be + the+ 比较级+ of the two. 用于两个人或事物之间的比较，其中一个比另一个“更……”
考向四
eg: Tom is the taller of the two boys.
汤姆是这两个男孩中较高的那个。
... 数量＋比较级＋ than ...
考向五
eg: This elephant is 200cm taller than this panda.
这头大象比这只熊猫高200 厘米。
Grammar
比较级+and+ 比较级， 表示“ 越来越……”
考向六
eg: The weather is colder and colder.
天气越来越冷了。
The+ 比较级...，the+ 比较级... 表示“越……，就越……”。
考向七
eg: The more you eat, the fatter you will be.
你吃得越多，你就越胖。
Grammar
比较级表达最高级
考向八
eg: Tom is taller than any other boy in his class.
汤姆比班上其他任何一个男孩都高。
(=Tom is the tallest boy in his class. 汤姆
是班上最高的男孩。)
Grammar
I hope my school life of senior high will be _______ than that of junior high.
A. more exciting B. very exciting
C. as exciting as D. the most exciting

【点拨】本题用寻找题眼法。考查形容词比较等级。从句中题眼than 知，本空应填形容词比较级，而exciting 的比较级形式为more exciting。
A
Let's Do It

【点拨】本题用语境分析法。A 项“越来越小”；B项“越来越糟糕”；C 项“越来越好”；D 项“越来越好”。由答语中“政府必须做些事情来解决它”可知，这一问题正变得越来越糟糕。
—The “Food Safety” problem is becoming _______these days.
— I think so. The government must do something to deal with it.
A. smaller and smaller B. worse and worse
C. better and better D. nicer and nicer
B
Let's Do It
形容词最高级句型
考点 3
C + be + the + 最高级+ of/in ( 三者及以上范围的).
考向一
eg: My mother is the busiest in my family.
我的妈妈在我家里是最忙的。
C + be + one of the + 最高级+ 名词复数+ in/of ...
考向二
eg: Shenzhen is one of the biggest cities in China.
深圳是中国最大的城市之一。
Grammar
C + be + the + 序数词+ 最高级+ 名词+in/of ...
考向三
eg: The Yellow River is the second longest river in
China.黄河是中国第二长河。
Wh- 词+ be + the + 最高级，A, B or C?
考向四
eg: Which is the biggest, the moon, the earth or the
sun? 月球、地球和太阳，哪一个是最大的？
Grammar
C +be +the + 最高级+ 名词＋定语从句(I have seen/heard/met/ read).
考向五
eg: She is the most beautiful girl (who/that)I have met.
她是我遇见过的最漂亮的女孩。
Grammar

【点拨】考查形容词的最高级。句意: 崂山是青岛最著名的山脉之一。每年都有许多游客喜欢爬崂山。one of 的固定用法是：one of+ the+ 形容词最高级+名词复数，表示“最……的……之一”。
Mount Lao is one of ______ mountains in Qingdao. Many tourists like climbing it every year. (青岛)
A. famous B. the more famous
C. most famous D. the most famous
D
Let's Do It
—Which city is ________ beautiful, Hangzhou, Beijing or
Shanghai?
—Hangzhou, I think.
A. the most B. the better C. more
A
Let's Do It
同级比较句型
考点 4
A+be as+ 原级+as+B.
考向一
eg: This box is as big as mine. 这箱子和我的一样大。
He ran as fast as Tony. 他跑得和托尼一样快。
A+be not so/as+ 原级+as+B.
考向二
eg: This box is not as big as mine. 这箱子不如我的大。
He did not run as fast as Tony. 他跑得不如托尼快。
Grammar

【点拨】本题用语法判定法。句意：丹尼尔和他的双胞胎兄弟一样高。他们都是1.75 米的身高。根据“他们都是1.75 米的身高。”可知，丹尼尔和他的双胞胎兄弟一样高。用as...as 意为 “和……一样”表达。
Daniel is ________ his twin brother. They are both 1.75 meters tall. (宿迁)
A. taller than　　　　　B. shorter than
C. as tall as　　　　　 D. so tall as
C
Let's Do It
比较级和最高级的修饰语
考点 4
比较级的修饰语
考向一
比较级的常用修饰语主要有much(……得多), even( 更加), still( 更), yet( 更), far(……得多),
a lot( 很), a great deal( 很多), a little( 有点), a
bit( 有点), rather( 很)，倍数、分数、百分数等。
Grammar
eg: These tomatoes are a little cheaper than those.
这些西红柿比那些稍便宜点。
Cotton output is 57 percent higher than that of last year.
棉花产量比去年高57%。
最高级的修饰语
考向二
最高级的常用修饰语有序数词以及much(……得多), by far( 最；很), nearly( 几乎), almost( 几乎) 等。
Grammar
eg: Tourism has become the second largest industry in the
country.旅游业已成为该国的第二大产业。
This is by far the best song that I’ve ever heard.
这是我听过的最好听的歌。
This tree is almost/nearly the tallest one.
这棵树几乎是最高的。
Grammar

【点拨】本题用寻找题眼法。由oneof the +adj.( 最高级)+n.(pl.) 意为“最……的……之一”可知，第一个空选the oldest；第二个空需要填副词修饰形容词的比较级形式，故用much。
—Do you know that China is one of ________ countries in
the world?
—Yes, I do. It’s ________ older than America. (眉山)
A. the oldest; very B. old; very
C. the oldest; much D. oldest; much
C
Let's Do It
魔法记忆
比较等级用法口诀
两者相比用比较，三者及以上用最高。
两者若是一个样，as ... as 要用上。
甲不如乙加not，意思与less than 差不多。
程度递增“越来越……，比较级用and 连接。
两种情况同时变，The more ... , the better... 是样板。
Grammar
4a
Fill in the blanks with the correct forms of the words in the box.

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.
2. Qomolangma is 8，844.43 meters _________. It’s one of the
most ___________ places for serious mountain climbers.
longest
longer
high
popular
Let's Do It
3. No ocean in the world is as _________as the Pacific Ocean.
4. Although Japan is _________than Canada, it is _______
smaller.
big
older
much

big much popular　long old high
Let's Do It
4b
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.
Let's Do It
Two cities: ___________and ___________
1._______________________________________________
2._______________________________________________
Two animals: __________________and ___________________
1._______________________________________________
_______________________________________________
2._______________________________________________
______________________________________________
Shanghai is much smaller than Sydney.
Sydney is almost 2 times as big as Shanghai.
Shanghai
Sydney
an adult polar bear
an adult African lion
An adult polar bear can run as fast as an adult African lion, but it can’t run so long as an adult African lion.
An adult polar bear is many times heavier than an adult African lion.
Let's Do It
4c
Write five questions using comparisons. Then ask your partner your questions.
1. What is the highest building in our city？
2.______________________________________________
3.______________________________________________
______________________________________________
4.______________________________________________
5.______________________________________________
Which singer do you like best?
Who gets up earlier than anyone else in your family
every morning?
Whose hair is the longest in our class?
Who is the most popular of all the teachers?
Let's Do It
一、用括号中所给单词的适当形式填空
1. This question is quite __________. That one is
__________________than this one. (difficult)
2. I think table tennis is as _________ as soccer. (excite)
3. Which of these books would you like ________? (much)
difficult
more/less difficult　
exciting
most
Let's Do It
4. Take exercise one hour a day, and you will become ________
than before. (strong)
5. Uncle Wang doesn’t drive as__________ as Uncle Liu. I
think Uncle Liu drives_____________ . (carefully)
stronger
carefully　
more carefully
Let's Do It
6. The kids learn to be independent, the _______it is for their
future.
A. early; good B. early; better
C. earlier; better D. earlier; good
C
二、单项选择

【点拨】本题用固定句式法。句意：孩子们学会独立越早，对他们的未来就越好。本题考查the+ 比较级，the+ 比较级表示“越……，就越……”，根据句意选C。
Let's Do It
7. — Many boy students think science is_______ English.
—I agree. I’m weak in English.
A. much difficult than B. so difficult as
C. less difficult than D. more difficult than
C

【点拨】考查比较级。A 选项比较级句式表达有误，故排除。B 选项so...as 前面用否定形式，表示“不如……”，用于同级比较；C 选项less...than 表示“不如……”，D 选项more...than 比……更……，用于两者之间进行比较。结合语境可知选C。
Let's Do It
8. My daughter is_______ years old. Today is her _______
birthday.
A. nine; nineth B. nine; ninth C. ninth; nine
B

【点拨】考查数词。表示“……岁的”用基数词，表示“第……个生日”用序数词；nine 的序数词为ninth。故选B。
Let's Do It
9. He was advised to eat fewer hamburgers and drink
_______ cola to keep fit.
A. much B. more C. fewer D. less
D

【点拨】考查形容词的比较级。句意：他被建议少吃汉堡少喝可乐以保持健康。fewer 较少，修饰可数名词复数，less 较少，修饰不可数名词。cola 此处是不可数名词，用“less”修饰。故选D。
Let's Do It
10. —I don’t think history is more useful than physics.
—I disagree. In my opinion, history is______physics.

A. as useful as B. not so useful as
C. less useful than D. the most useful of
A
Let's Do It
本节课主要学习了单元重点语法形容词和副词的比较等级，学会了运用形容词和副词对事物进行比较。
Summary
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