资源简介

(共41张PPT)
Section A
Grammar Focus
Unit
Amazing Animals
and Plants
Learning Aims
语言能力
文化意识
思维品质
学习能力
1.学生能够全面且熟练地掌握形容词和副词比较级、最高级的构成规则，包括规则变化和不规则变化并能在实际运用中准确进行形式转换。
2.熟练运用比较级和最高级的常用句型，显著提升学生在听说读写活动中对比较级和最高级的运用能力.
1.通过观察大量例句、分析语法结构、归纳总结规律的过程，培养学生自主探究语法知识的能力，使其掌握科学有效的语法学习方法，提高自主学习效率。
2.在小组合作学习和语法实践活动中，增强学生的团队协作能力、沟通交流能力和互相评价能力，学会在合作中共同探讨语法难点、分享学习经验，实现共同进步。
1.激发学生对英语语法学习的兴趣和热情，消除对语法学习的畏难心理，感受语法学习的乐趣，增强学习自信心和成就感。
2.通过对动植物相关语法知识的学习，进一步培养学生对大自然的热爱之情和保护动植物的责任感
引导学生了解英语国家文化中运用比较级和最高级描述动植物时所蕴含的文化内涵和价值观念，对比中国文化中类似表达的差异，拓宽文化视野，增强跨文化理解能力。培养学生在跨文化交际中，依据不同文化背景准确、得体使用比较级和最高级的意识，避免因文化差异导致的误解。
Watch the video
Lead-in
What does this video talk about
World’s Records
Grammar Focus
Presentation
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
形容词
副词
Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb
Which parts of speech (词性) have superlative forms
最高级
3a
Grammar Focus
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
形容词
形容词
副词
形容词
形容词
形容词
形容词和副词最高级的构成
tallest
fastest
1. 一般情况下在词尾加-est。
tall
fast
2. 以不发音的字母e结尾的单词在词尾加-st。
late
fine
latest
finest
一、单音节词和部分双音节词的最高级的构成方法：
large largest
old oldest
3. 重读闭音节词尾只有一个辅音字母时，
先双写该辅音字母，再词尾加-est。
thin
big
4. 以“辅音字母+y”结尾的双音节词，把
y变为i，再词尾加-est。
busy
early
thinnest
biggest
busiest
earliest
在单词前加most。
slowly
careful
carefully
dangerous
beautiful
beautifully
quickly
most slowly
most careful
most carefully
most dangerous
most beautiful
most beautifully
most quickly
二、多音节词和部分双音节词的最高级的构成方法：
The superlative 最高级
2）不规则变化
1）规则变化助记
最高级有规律,词尾加上 -est。
结尾若有字母e,直接加上 -st。
辅音字母加y,y变i,再加 -est。
一辅重读闭音节,末尾字母要双写。
形、副单词多音节,须把 most 前面贴。
(注:“多、双音节”指多音节词和部分双音节词。)
原级 比较级 最高级
good, well better
bad, badly worse
many/ much more
little less
far farther/ further farthest/ furthest
best
worst
most
least
1. He swims very well. You swim better. I can swim best.
2. Tom did badly in the exam. Jerry did worse. Paul did worst.
3. You have much homework. She has more homework. I have the most.
4. You've got little chocolate. He's got less. I've got the least.
有些形容词有两种比较级和最高级的变化方式。如：
原级
common
old
far
比较级
commoner/
more common
older/ elder
farther/
further
最高级
commonest/
most common
oldest/eldest
farthest/
furthest
The superlative 最高级常用句型
(1)“主语+be +the+形容词最高级 +in/of短语”意为“……是……中最……的”
e.g. Tom is the tallest in his class/of all the students.
汤姆是他班上/所有学生中最高的。
【注意】 在表示最高级的句子中常 含有表示比较范围的in或of。in后一般接表示单位或场所的名词;of后一般接表示-群人或事物的代词或名词。
(2)“主语+实义动词(+ the)+副词最高级+in/of短语”意为“……是…中最……的”
e.g. I jump ( the ) farthest in my class/of all the students.
我是我班/所有学生中跳得最远的。
(3)“主语+be +one of the+形容词最高级 +可数名词复数 +in/of 短语”意为“……是……中最……的……之一”
e.g. Beijing is one of the largest cities in China.
北京是中国最大的城市之一。
(4)“疑问词(组)+ be+the+形容词最高级,A, B or C ”用于三者的比较。
e.g. Which country is the largest, China ,Brazil or Canada
哪一个国家最大,中国、巴西还是加拿大
(5)疑问词(组)+助动词+主语+动词原形(+the)+副词最高级, A, B or C
e.g. Which season do you like ( the ) best,spring，summer or autumn
你最喜欢哪一个季节,春季、夏季还是秋季
(6)“the+序数词+形容词最高级+名词意为“第几最……的…”
e.g. The Atlantic Ocean is the second largest ocean on Earth.
大西洋是地球上第二大洋。
1. The hotel is very old. It's one of _______ buildings in the city.
A. old B. older C. oldest D. the oldest
2. Zhao Chen ran ________ of all the students at the
sports meeting.
A. fast B. faster C. fastest D. less fast
3. - In this accident lots of girls were badly hurt.
- Yes. And the girl called Fiona was hurt ______ among them.
A. bad B. worse C. worst D. badly
当堂训练
4. My mother is the _______ person in my family. My father and I are both taller than her.
A. shortest B. shorter
C. tallest D. taller
5. - Who do you think does the maths homework 　　　
_______, Peter, Ben or Leo
- Leo. He always gets an A on his homework.
A. more careful B. more carefully
C. most careful D. most carefully
比较级表达最高级的含义
(1)“比较级+than any other+可数名词单数”意为“比其他任何一个…都……”,强调在同一范围内作比较。
e.g. China is larger than any other country in Asia.
= China is the largest country in Asia.
中国是亚洲最大的国家(说明:中国在亚洲,应和亚洲的其他国家相比)
(2)“比较级+than any+可数名词单数意为“比任何……都…”,强调不在同一范围内作比较。
e.g. China is larger than any country in Africa.
中国比非洲的任何国家都大。 (说明中国不在非洲,应和非洲的所有国家相比)
(3)否定词与比较级连用可表达最高级的含义。
e.g. —What do you think of the TV show 你认为这个电视节目怎么样
—Great! I have never seen a better one.
棒极了!我从没看过(比这)更好的电视节目。
1.The Qinghai Lake is lake in China. It is in Qinghai Province.
A. large B. larger
C. largest D. the largest
D
2.—Our class did well in the school singing competition.
—Yes , you sang of all.
A. beautifully B. more beautifully C. most beautifully
C
Complete the sentences with the superlative forms of the words in brackets.
1. Among all animals, I love pandas the best. I think they are ____________ (cute) animals in the world.
2. Which do you think is ______________ (beautiful), the rose, the peony, or the lotus flower
the cutest
the most beautiful
3b
3. Look at that butterfly! It has
_______________(colourful) wings.
4.Which animal jumps ___________(high), the lion, the monkey, or the tree frog
the most colourful
the highest
5. The elephant birds were____________(large) and
__________ (heavy) birds ever on earth. Some could
stand up to three metres tall and weigh up to 860 kg.
the largest
heaviest
Complete the passage with the superlative forms of the words in the box.
ancient beautiful common good popular
The ginkgo tree is one of _______________living trees on earth. Ginkgo trees first appeared over 200 million years ago. Chinese people love the ginkgo, as it is a symbol of hope and long life. Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is_______________. Thousands of tourists come to
the most ancient
the most beautiful
3c
see it each year, especially in mid-October, as it is _____________ time to see it. The ginkgo tree is one of _______________ trees in streets, parks, and gardens across China. When autumn comes, one of _______________ activities is to take a walk under ginkgo trees. People believe the bright yellow leaves can bring joy to their heart.
the best
the most common
the most popular
Work in pairs and make up a conversation by using superlatives, then share with the class.
Please make up a conversation with your partner. Pay attention to using superlatives.
Group works.
Boys and girls, please work in groups to create a short play. You can have a discussion with your group members to choose a good topic, and then try to show it to us. Don’t forget to use superlatives.
Create a short play
Vote for the best group according to the evaluation form
Language points
Point 1
The elephant birds were the largest and the heaviest birds ever on earth.象鸟是曾经地球上体型最大、最重的鸟。
on earth
①在地球上;在世界上，相当于 on the earth 或 on Earth。
e.g. I must be the happiest person on earth!
我一定是世界上最幸福的人!
Point 2
Some could stand up to three metres tall and weigh up to 860 kg.
有些象鸟站立起来可以接近3米高、重达860千克。
weigh
v. 有……重；称重量
weight
n. 重量；分量
常见搭配
weigh about+数词 重约……
weigh over+数词 超过……重
weigh up to+数词 重达……
固定词组
put on weight 增加体重
lose weight 减重
— How much does the baby weigh — It weighs 4 kg.
weigh
①【动词】有……重，对重量提问常用“How much do/does/did..weigh " 或“How heavy... ”
He weighs 60 kilos.他体重 60 千克。
②【及物动词】称重量
He weighed the fish.他称了称那条鱼。
【拓展】weight【不可数名词】重量;分量
lose weight 减肥 put on weight 增加体重 the weightof..……的重量
e.g. What's the weight of the sheep 这头羊的重量是多少
Exercises
单项选择
一、单项选择
1. Steve is one of ________ boys in our class.
A. strong B. stronger C. most strong D. the strongest
2. It is the ________ clothes store in the town.
A. goodest B. good C. best D. better
3. Mr Yang is very friendly to us. He is ________ of all the people I know.
A. patient B. less patient C. the most patient D. more patient
D
C
C
4. —What is your favorite subject, Mary
—Of all the subjects, I like science ________ because it is interesting.
A. well B. better C. best D. the better
5. Who sings ________, Tom, Jack or Bill
A. more beautiful B. more beautifully
C. the most beautifully D. the most beautiful
6. —The sight of the Yellow River is quite beautiful. Is it the longest river in China
—No, it is ________ longest river in China. It’s the “Mother River” of the Chinese people.
A. second B. the second C. a second
C
B
C
二. 根据句意和首字母提示写出所缺单词
1.Some animals live in the sea and some live on l .
2.The girl took a fresh r out of the basket and smelled it.
3.The bird dropped on the ground because one of its w__________
was badly hurt.
4.People in Sichuan P_____________ like eating spicy food.
5.An elephant usually w___________ many times more than a panda.
weighs
Province
wings
rose
land
三、用括号内所给单词的正确形式填空
1. Elephants are the_________(large) land animals on earth.
2. After graduating from his university, he chose one of the __________ (far) villages in Heilongjiang to be a volunteer.
largest
farthest
3. She works ____________________ (careful) in her school.
4. Who goes to bed ____________ (late), Jim, Tom or Jack
5. I think turkey is ______________________ (delicious) of all.
（the） most carefully
（the） latest
the most delicious
6.Peter is the ____________(fast) runner in his class.
7.The elephant is one of the ___________(cute) animals in the
world.
8.In my hometown, Shuangpai, Yangming Mountain is the ____
__________________(beautiful).
9.Chongqing is the _________________(amazing) city that I have
ever known.
　most amazing
most beautiful
　cutest
　fastest
10.The _______(high) mountain in the world is Mount Qomolangma(珠穆朗玛峰).
11.Who is the _________(good) basketball player in your class
12.The zebra is an ____________(Africa) animal and eats leaves
as well as grass.
13.In spring, we can see bees and _____________(butterfly) flying in the school garden.
　butterflies
　African
　best
　highest
三、按要求完成下列句子，每空一词
1. The Yellow River is only shorter than the Yangtze River， the longest river
in China.(改为同义句)
The Yellow River is in China.
2. — is the river in China？ (根据答语补全问句)
—The Yangtze River.
3. No other student is more interesting than Mike in our class.(改为同义句)
Mike is student in our class.
the　
second　
longest　
river　
Which　
longest　
the　
most　
interesting　
4. I think Chongqing is bigger than any other city in China.(改为同义句)
I think Chongqing is city in China.
5. Julie is the earliest one to come to school in our class.(对画线部分提问)
one to come to school in our class？
the　
biggest　
Who　
is　
the　
earliest　
四、根据汉语意思完成句子，每空一词
1.法国是世界上最受欢迎的国家之一，它有着悠久的历史和丰富的文
化。
France is one of countries in the world with
a long and rich .
2. 银杏是地球上最古老的现存树木之一。
The ginkgo is one of living on earth.
3. 黄河是中国第二长河吗？
the Yellow River river in China？
the　
most　
popular　
history　
culture　
the　
most　
ancient　
trees　
Is　
the　
second　
longest　
4. 世界上最重的动物不是大象，是蓝鲸。有些蓝鲸重达180吨。
in the world is not the elephant， but the
blue whale. Some blue whales can 180 tons.
5. 在所有的动物中，树蛙跳得最高。
Among all the animals， the tree frog jumps .
6. 汤姆是我所见过的最勤奋的学生。
Tom is student I have ever seen.
The　
heaviest　
animal　
weigh　
up　
to　
the　
highest　
the　
most　
hard-working　
本课句型
Summary
我都 学会了!
Basic (必做)
Finish the self-check on the learning sheet.
Improving(选做)
2.Find out superlatives that are used in the real life.
Extend (选做)
Share examples of superlatives used to describe animals or plants in the world.
Homework
Thank you !

展开更多......

收起↑