内容正文:
Unit 4 Inventions
Vocaburary&Grammar
八年级上册
How do these inventions change our life?
We can use the words we have learnt in page 51 to help you! pay attention to using the degrees of adjectives.
The telephone
keep in touch with, more quickly, more convenient . over longer distance
How do these inventions change our life?
The telephone can keep in touch with each other more quickly and convenient, and they can speak over longer distance.
How do these inventions change our life?
the bulb
practical do many things as …as
The bulb is a very practical invention. we can do as many things in the evenings as we can in the daytime.
How do these inventions change our life?
The computer
find information, more quickly, easily, more fun
The computer is a useful invention, we can find our information more quickly and easily, it can give us more fun.
【词 汇 精 讲】
1. funny adj. 滑稽的;好笑的例句:That is a funny story. What’s so funny?词性转换:fun n. 乐趣(不可数名词) adj. 有趣的=interesting例句:We had a lot of fun at her party. Swimming in summer is fun.典例分析:(1) 我给我的妹妹讲了一个好笑的故事。I told my little sister a story.(2) 和朋友去海滩非常有趣。It is great to go to the beach with friends.
funny
fun
2. create v. 创造;创作 例句:The government plans to create more jobs for young people. 政府计划为年轻人创造更多的就业机会。 This kind of poem was created by an American poet in the 19th century. 这首诗是由一位美国诗人在19世纪创作的。词性转换:creator n. 创造者 creation n. 创造;创作 creative adj. 有创造力的典例分析:这个创造者创作了这个作品,他很有创造力。The the . He is .
creative
creator
created
creation
3. invent v. 发明;创造 例句:The ancient Chinese invented the abacus. 古代中国人发明了算盘。词性转换: inventor n. 发明家 intention n. 发明典例分析:(1) Do you know who (invent) the printer?(2) Edison is famous for his (invent). 拓展:invent 和 create 都有“创造”之意,但两者是有区别的:① invent 是指通过想象、实验、研究而创造 出前所未有的东西,尤指科技上的发明创造。 ② create是指上帝、自然等“创造”某物,作家塑造人物形象或创作作品等。它既可用于创造具体的事物,也可用于创造抽象的事物。
inventions
invented
4. develop v. 开发;研制 例句:The company develops and markets new software. 该公司开发和销售新的软件。 He claims that several countries have developed nuclear weapons secretly. 他声称,有几个国家已经秘密发展了核武器。词性转换:development n. 发展 developed adj. 发达的 developing adj. 发展中的典例分析:发达国家: a country 发展中国家:a country
developed
developing
1. This invention can make our city (beautiful) than before.2. He is a (create) boy.3. Taking a plane is much (comfortable).4. Zhou Xingchi is a (fun) actor.
课堂训练
more beautiful
creative
more comfortable
funny
一、good , bad, far比较级和最高级
good, bad, far的比较级和最高级比较特殊,详见下表:
如:Your idea is good, but his is better. 你的主意不错,但他的更好。
We draw a lot of pictures and this one is the best.
我们画了很多画,这幅是最好的。
Li Hua got ill yesterday. He feels worse today. 李华昨天病了,今天感觉更糟糕。
This is the worst film among the three. 这是三部影片中最差的一部。
The park is the farthest / furthest from my home of the three places.
这三个地方中公园离我家最远。
【语 法 精 讲】
二、(not)as… as 的用法
(not) as... as意思是“和……(不)一样……”,表示人或事物在某个方面程度(不)相当。常见于以下结构中:
1 (not) as +形容词原级+ as...
This advertisement is as funny as that one. 这个广告和那个一样趣。
My mobile phone is not as expensive as yours. 我的手机没有你的那么贵。
2 (not) as many+可数名词复数+as...
(not) as much+不可数名词+as...
I have as many notebooks as my brother. 我的笔记本跟哥哥的一样多。
I don’t know as many people as you do. 我认识的人没有你多。
We’ll give you as much help as we can. 我们将尽量帮助你。
注意:在否定句中,第一个 as 也可换成 so,即not so... as...。如:
This new sofa is not so comfortable as the old one. 这个新沙发不如旧的那个舒服。
I’m not so lucky as you. 我不像你那么幸运。
as + 形容词/副词原形+ as :和……一样……
not as +形容词/副词+as: 和……不一样…
Goofy is as tired as Minnie.
Micky cannot skate as well as Minnie.
Does Anna work harder than Helen ?
Anna
Helen
No, she doesn’t.
She works as hard as Helen.
Who works harder ?
The bike goes fast.
The car goes ______than the bike.
faster
Let students read and find frequency adverbs.
15
一、单项选择。
1 Mike is ______ student in his class.
A. good B. better C. best D. the best
2 Which one is ______ , the telephone or the mobile phone?
A. best B. the best C. better D. good
3 The weather today is ______ than yesterday.
A. bad B. more bad C. worse D. worst
4 Today is ______ day in my life.
A. the worst B. worst C. worse D. bad
课堂训练
5 The airport is _______from our school than the train station is.
A. far B. farther C. more father D. farthest
6 He is as clever _______ you.
A. as B. so C. than D. like
7 The candle is not as _______as the lamp.
A. bright B. brighter C. more brighter D. brightest
8 This bus can carry as _______ passengers as that one can.
A. much B. many C. more D. most
(二)用所给词的适当形式填空。
I am not _________ (good) at Maths, but Jack is_________ (bad) than me.
I think this picture is _________(good) than that one.
What ________ (bad) weather! I hope it will get ________ (good) soon.
4 Tom’s home is the _________ (far) from school in his class.
5 Lucy is as _________ (smart) as Lily.
good
worse
better
bad
better
farther
smart
(三)完成句子。
1 我认为李老师是我校最好的老师。
I think Mr Li is in our school.
2 你的语文比你姐姐好吗?
Are you at Chinese your sister?
3 杰克的音乐成绩全班最差。
Jack got mark in Music in his class.
4 我现在的感觉比昨天更糟。
Now I’m feeling yesterday.
5 博物馆比电影院离我家更远。
The museum is from my home the cinema is.
the best teacher
better
the worst
worse than
farther than
than
6 她和她姐姐一样高。
She is her sister.
7 这盏灯没有那盏便宜。
This lamp is that one.
8 我收集的邮票和李华的一样多。
I collect stamps Li Hua does.
9 我的零花钱没有你多。
I don’t have pocket money you.
as tall as
not as / so cheap as
as many as
as much as
Thank you!
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