人教版八年级上册 Unit 4 Amazing Plants and Animals Section A (3a-3c)课件+教学设计+课堂练习

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人教版八年级上册 Unit 4 Amazing Plants and Animals Section A (3a-3c)课件+教学设计+课堂练习

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Unit4 Amazing Plants and Animals
SectionA (3a-3c)
人教版 八年级上册
01
02
03
通过观察和分析 3a 中含形容词、副词最高级的例句,说出最高级的用法,总结最高级的变化规则。
通过在具体语境中,根据单词音节数灵活选择 “- est” 或 “most” 的最高级形式,提升最高级运用的准确性和熟练度。
Learning objectives
通过分析银杏的特征(如年代、外观、常见度等),将信息转化为连贯的最高级表达,展示对最高级语法的实际运用能力。
在全国范围内进行选拔,
大量精英或高水平选手参与,受众广泛
选拔精英
B
难点
有效引导学生自主观察总结语法规律,发展独立思考与发散思维;帮助学生熟练、准确运用最高级完成表达,深化语法理解与长期记忆。
教学重难点
在全国范围内进行选拔,
大量精英或高水平选手参与,受众广泛
选拔精英
A
重点
依托表格探究活动,帮助学生理解并掌握形容词与副词的最高级相关知识点;引导学生结合自身实际,找到适配自己的英语学习方法。
01
Lead-in
Video
02
Presentation
Know about superlatives
Exercises about superlatives
Activity 1: Let’s review to nswer the questions.
Q1: What’s the largest and heaviest animal in the world
The blue whale is the largest and heaviest animal in the world.
Q2: What’s the biggest land animal in the world
The biggest land animal in the world is the African elephant.
Q3: What animal runs the fastest among all land animals
The cheetah runs the fastest among all land animals.
Q4: What’s the most useful plant in the world
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
Introduction about ginkgo
Task 1: Know about superlative
Know about superlatives
Exercises about superlatives
Activity 2: State the usage of superlatives.
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.
3a
表示三者或三者以上(人或事物)的比较,其中有一个在某一方面超过其他几个,后面可用带有of、in、among的短语等来说明比较的范围。形容词最高级的前面一般要加定冠词the,副词最高级前的the可以省略。
形容词和副词最高级的用法:
Introduction about ginkgo
Know about superlatives
Exercises about superlatives
Introduction about ginkgo
Activity 3: Summarize the formation rules of superlatives.
tall-tallest
1.一般情况,词尾加-est
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,然后在词尾加-est
2.以字母e结尾,词尾加-st
单音节词和部分双音节词
short-shortest
large-largest
late-latest
fast-fastest
high-highest
big-biggest
fat-fattest
thin-thinnest
4.以辅音字母+y结尾的双音节词,先把y改为i,然后在词尾加-est
easy-easiest
heavy-heaviest
early-earliest
Know about superlatives
Exercises about superlatives
Activity 3: Summarize the formation rules of superlatives.
beautiful-most beautiful
词前加more构成最高级
多音节词和部分单音节词
quickly-most quickly
popular-most popular
Introduction about ginkgo
形容词与副词的最高级
三、形容词和副词的最高级的构成(不规则变化)
原级 最高级
good (形容词) / well (形容词/副词) best
bad (形容词) / badly (副词) worst
many (形容词) / much (形容词/副词) most
little (形容词/副词) least
far (形容词/副词) farthest/furthest
四、最高级的常用句型结构
(1)主语 + be + the + 形容词最高级 +in/of 短语 意为 “…… 是…… 中最…… 的”。
Linda is the shortest of all the girls.琳达是所有女孩里面个子最矮的。
(2)主语 + 实义动词 (+the) + 副词最高级 + in/of 短语 意为 “…… 是…… 中最…… 的”。
She draws (the) best in our class.她是我们班画画最好的。
注意:在表示最高级的句子中,一般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 后一般接表示一群人或事物的代词或名词。
02
最高级的常用句型结构
(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”。
Shanghai is one of the busiest cities in China.上海是中国最繁忙的城市之一。
(4)疑问词 (组)+ be + the + 形容词最高级, A, B or C 用于三者的比较。
Which animal is the strongest, the dog, the cat or the tiger 狗、猫和老虎,哪一种动物最强壮?
最高级的常用句型结构
(5)疑问词 (组)+ 助动词 + 主语 + 动词原形 (+the) 最高级, A, B or C
Which sport do you like (the) best, swimming, running or skating 游泳、跑步、滑冰,你最喜欢哪一项运动?
(6)the + 序数词 + 形容词最高级 + 名词 意为 “第几最…… 的……”。
The Yangtze River is the third longest river in the world.长江是世界第三长河。
比较级表最高级
(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。
Shanghai is bigger than any other city in East China.= Shanghai is the biggest city in East China.上海是华东地区最大的城市。(说明:上海属于华东,需要和华东其他城市对比)
(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。
Shanghai is bigger than any city in Yunnan.上海比云南任何一座城市都大。(说明:上海不在云南,和云南所有城市对比)
Exercises about superlatives
Know about superlatives
Activity 1: Choose the best answer.
1. This apple is ________ one in the box.
A. sweet
B. sweeter
C. sweetest
D. the sweetest
2. Which is ________, the sun, the moon or the earth
A. big
B. bigger
C. biggest
D. the biggest
3. This flower is ________ in the garden.
A. beautiful
B. more beautiful
C. most beautiful
D. the most beautiful



Introduction about ginkgo
Exercises about superlatives
Know about superlatives
Introduction about ginkgo
Activity 2: 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
3. Look at that butterfly! It has ________________ (colourful) wings.
4. Which animal jumps ___________ (high), the lion, the monkey, or the tree frog
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
the most beautiful
the most colourful
the highest
the cutest
the heaviest
3b
know about ginkgo
Know about superlatives
Exercises about superlatives
Activity 1: Enjoy the video.
Task1: know about ginkgo
.
Introduction about ginkgo
Know about superlatives
Exercises about superlatives
Activity 2: 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 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 most beautiful
the most ancient
the best
the most common
the most popular
3c
用法
表示三者或三者以上(人或事物)的比较
形容词和副词的最高级
变化规则
Summary
单音节词和部分双音节词
1.一般情况,词尾加-est
2.以字母e结尾,词尾加-st
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,然后在词尾加-est
4.以辅音字母+y结尾的双音节词,先把y改为i,然后在词尾加-est
多音节词和部分单音节词:词前加more
用最高级介绍银杏树
The ginkgo tree is one of the most ancient living trees on earth.
The ginkgo tree is one of the most popular trees in streets, parks, and gardens across China.
Exercise
1.What a lovely reading room! It’s one of ________ rooms in our school.
A.nice B.nicer C.nicest D.the nicest
2.Among all the parks in Wuhu, Yijiang Park is ________ with local people because of its beautiful river view.
A.popular B.more popular
C.most popular D.the most popular
3.—What do you think of the store, Harry
—It has ________ service, so no people go there to buy things.
A.worst B.the best C.best D.the worst
Homework
基础作业:
记忆形容词和副词最高级的用法和变化规则。
提升作业:
用形容词和副词最高级写5句话介绍“世界之最”。
拓展作业:
仿照3c写一篇小短文介绍竹子,不少于5句话。/ 让教学更有效 精品试卷 | 英语学科
一、将下列句子翻译成中文。
The bamboo is the most useful plant in China.
_____________________________________________
This story is the most interesting story among all stories.
_____________________________________________
He is the most popular student of the three.
_____________________________________________
That bird flies the highest among all birds.
_____________________________________________
The blue whale is the heaviest animal in the world.
_____________________________________________
二、写出下表中形容词和副词的最高级。
原级 最高级 原级 最高级
cute early
large fat
big colourful
beautiful fast
interesting popular
三、单项选择题
1. The Sahara is ______ desert in the world.
A. large B. larger C. largest D. the largest
2. Shanghai is one of ______ cities in China.
A. the most busy B. the busiest C. busier D. busyest
3. Which animal runs ______, the tiger, the lion or the cheetah
A. fast B. faster C. fastest D. the fastest
4. This is ______ interesting story I have ever heard.
A. most B. the most C. more D. the more
5. Mount Qomolangma is ______ mountain in the world.
A. high B. higher C. the highest D. highest
五、用所给词的适当形式填空。
1. This is ____________ (beautiful) picture in this gallery(美术馆).
2. Tom is ____________ (tall) student in our class.
3. Among all books, this one is ____________ (interesting).
4. Winter is ____________ (cold) season of a year.
5. She writes ____________ (carefully) of all the girls.
六、短文创作
假如你是吉姆,现在正在参观四川省宜宾市的蜀南竹海,请根据以下提示写一篇短文介绍竹子。
提示:1.竹子在中国绘画作品中是最受欢迎的主题之一。
竹子是生长最快的植物之一。
竹子是世界上最有用的植物之一。
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_____________________________________________________________________________试卷第1页,共3页
试卷第1页,共3页
八上 Unit 4 Amazing Plants and Animals Grammar Focus (3a-3c)课堂练习参考答案:
一、将下列句子翻译成中文
1. 竹子是中国最有用的植物。
2. 在所有故事当中,这个故事是最有趣的。
3. 他是三个人当中最受欢迎的学生。
4. 在所有鸟类中,那只鸟飞得最高。
5. 蓝鲸是世界上最重的动物。
二、写出下表中形容词和副词的最高级
原级 最高级 原级 最高级
cute cutest early earliest
large largest fat fattest
big biggest colourful most colourful
beautiful most beautiful fast fastest
interesting most interesting popular most popular
三、单项选择题
1-5 DBDBC
五、用所给词的适当形式填空
1. the most beautiful
2. the tallest
3. the most interesting
4. the coldest
5. (the) most carefully
六、短文创作(参考范文)
I’m Jim. Now I’m visiting the Bamboo Sea in Yibin, Sichuan. Bamboo is one of the most popular subjects in Chinese paintings. It is one of the fastest growing plants. Some bamboo can grow almost one metre in one day. And it is also one of the most useful plants in the world. People can use it to build houses and make tools. Pandas love eating bamboo and we can eat bamboo shoots too. It is really amazing./ 让教学更有效 精品试卷 | 英语学科
Unit 4 Amazing Plants and Animals Grammar Focus (3a-3c)教学设计
课题名称 Unit 4 Amazing Plants and Animals Grammar Focus (3a-3c) 课型 语法课
设计者 Mary 计划课时 1
学习目标 ① 通过观察和分析 3a 中含形容词、副词最高级的例句,说出最高级的用法,总结最高级的变化规则。
② 通过在具体语境中,根据单词音节数灵活选择 “- est” 或 “most” 的最高级形式,提升最高级运用的准确性和熟练度。
③ 通过分析银杏的特征(如年代、外观、常见度等),将信息转化为连贯的最高级表达,展示对最高级语法的实际运用能力。
学习重点 依托表格探究活动,帮助学生理解并掌握形容词与副词的最高级相关知识点;引导学生结合自身实际,找到适配自己的英语学习方法。 学习难点 有效引导学生自主观察总结语法规律,发展独立思考与发散思维;帮助学生熟练、准确运用最高级完成表达,深化语法理解与长期记忆。
核心问题 通过学习形容词和副词最高级的用法,变化规则,在真实的语境中运用最高级语法。
教学流程
学习内容 教师活动 学生活动 伴随评价
1. 观察并识记形容词和副词最高级的用法及变化规则。
(对应目标①) Task 1: Know about superlatives
Activity 1:设置问题,引导学生观察并感知形容词和副词的最高级。
Activity 2:观察和分析 3a 中含形容词、副词最高级的例句,说出最高级的用法。
Activity 3:分别呈现单音节词和部分双音节词的例词,多音节词和部分单音节词的例词,归纳总结出最高级的变化规则。 Activity 1:回答问题,初步感知形容词和副词的最高级。
Activity 2:说出形容词和副词最高级的用法。 Activity 3:观察例词并归纳总结出最高级的变化规则。 学生是否能从回答的问题中感知形容词和副词的最高级。 学生是否能在语境的感知下说出形容词和副词最高级的用法及变化规则。
2. 在具体语境中,用最高级完成练习题。(对应目标②) Task 2: Exercises about superlatives
Activity 1:呈现3个单项选择题,让学生在具体的语境中运用最高级。 Activity 2:完成3b,用括号中所给词的适当形式填空。 Activity 1:读单项选择的题目,选择正确答案。 Activity 2:圈画题干关键词,写出括号中所给词的最高级。
随机提问学生是否能选择正确答案。 检查并提问学生的完成情况。
3. 在介绍银杏的短文中,进一步运用最高级。
(对应目标③) Task 3: Introduction about ginkgo
Activity 1:播放有关银杏的视频。
Activity 2:呈现3c的短文,扫清短文中的生词和短语。 Activity 1:根据视频,进一步认识银杏。 Activity 2:用方框中词的适当形式完成短文。 检查并提问学生的完成情况。
分层作业 基础作业:记忆形容词和副词最高级的用法和变化规则。 提升作业:用形容词和副词最高级写5句话介绍“世界之最”。 拓展作业:仿照3c写一篇小短文介绍竹子,不少于5句话。

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