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(共34张PPT)
Section A
1a~2d
Unit 6 when was it invented
Four great inventions
gun powder
printing
paper making
What did they invent
Karl Benz
卡尔 奔驰
Alexander Bell
亚历山大 贝尔
J. L. Baird
贝尔德
John von neuman
约翰·冯·诺伊曼
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
The first telephone was invented (by Bell) in 1876.
Bell invented the first telephone in 1876.
The first television was invented (by J. L. Baird) in 1927.
J. L. Baird invented the first television in 1927.
John von neuman invented the first computer in 1971.
The first computer was invented (by John von neuman) in 1971.
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4].
1a
2
3
1
4
1876
1885
1927
1971
d
a
c
b
1b.Listen and match the inventions with the years.
When was the telephone invented
I think it was invented in 1876.
Pair work.
Listen and number the inventions [1-3] in the order you hear them.
2a
___ shoes with special heels
___ shoes with lights
___ hot ice-cream scoop, runs on electricity
1
2
3
Invention What is it / are they used for
shoes with special heels ________ the style of the shoes
shoes with lights seeing ___________
hot ice-cream scoop ________ really coldice-cream
Listen again and complete the chart.
2b
changing
serving
in the dark
Role-play the conversation.
2d
[ pr d ekt]
任务；作业；
项目;课题；研究项目;
[ ple ] 娱乐，;令人高兴的事
有道理
[ web sa t]
网站
[ pa n ]
先驱者；先锋；
创始人
n.列表v.列出
[ men n]
提及，说起;
Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention
Role-play the conversation.
2d
My pleasure! Let me think… hmm… I know! The zipper!
n. 项目; 工程
n. 高兴; 愉快
n. 拉链
The zipper Is it really such a great invention
Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags… almost everywhere!
adj. 每日的；日常的
Well, you do seem to have a point…
Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there.
n. 网站
n. 先锋; 先驱
v. 列表; 列清单 n. 名单; 清单
For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely.
v. 提到; 说到
Really So when did it become popular
Around 1917.
1. Well, you do seem to have a point…
have a point 有道理
e.g. I admit (that) you have a point. 我承认你有理。
2. They are used for seeing in the dark.
be used for doing sth.表示“被用来
做某事”。与be used to do sth. 同义。
表示用途、目的。
e.g. This computer is used to control
all the machines. 这台电脑是用
来控制所有机器的。
Do you know what this tool is used for
你知道这个工具是用来做什么的
3. Think about how often it’s used in our daily lives.
think about 表示“考虑，想起”。
e.g. He is thinking about travelling in
the summer holidays.
他正在考虑暑假旅游的事。
She was thinking about her childhood days.
她正回想她的童年时期。
【拓展有关think的短语】
think of 指“考虑, 记忆, 记起”
e.g. You think of everything!
你全都提到了。
I can’t think of his name at the
moment.
我一时想不起他的名字。
think sth. over指“仔细想, 审慎思考, 作进一步考虑”。
e.g. Please think over what I said.
请仔细考虑我说的话。
I want to think it over.
我想仔细考虑一下这件事。
The passive voice.
被动语态
被动语态的用法:
不知动作执行者时,常用被动语态.
eg. My bike was stolen yesterday.
This car is made in American.
2. 不必要说出动作执行者时,常用.
eg. Rome was not built in a day.
3. 为了突出强调动作的承受者时,常用被动语态.
eg. Thousands of beaches are polluted (污染).
The passive voice.
被动语态
主动语态变被动语态的结构图:
Bell invented the telephone in 1876.
The telephone was invented by Bell in 1876.
主语
谓语动词过去时
宾语
时间状语
主语
谓语动词的过去分词
宾语
时间状语
The passive voice.
被动语态
主动语态改被动语态:
Bell
invented
the telephone
in 1876.
was
by
把下列的句子变为被动语态的句子：
1、They speak English in Canada .
2、People used wood for making tables.
3、They make computers in the USA.
English is spoken in Canada(by them).
Wood was used for making tables.
Computers are made in the USA.
4、They grow rice in South China.
5. We planted more trees this year.
6. I cleaned our classroom this morning.
Rice is grown in South China.
More trees were planted this year.
Our classroom is cleaned this morning.
各种时态的被动语态的构成：
1.一般现在时态 am, is, are +过去分词
2.一般过去时态 was, were +过去分词
3.一般将来时态 will be + 过去分词
am, is, are+ going to +be 过去分词
1.电话是什么时候发明的？When the telephone
我认为它是1876年发明的。I think in 1876.
2. 他们是用来做什么的？What they
他们是用来在黑暗中看东西的。They’re in the dark.
3.他们是被谁发明的？Who were they
1.Who’s the little baby in the photo, Li Ying？
-It’s me. This photo _____ fourteen years ago.
A is taken B took C takes D was taken
2.Many accidents by careless drivers last year.
A are caused B were caused
C have caused D will cause
3.An official by reporters on food problems in Shanghai yesterday.
A. is interviewing B is interviewed
C. was interviewing D was interviewed
4.The telephone ___ (use ) for calling somebody.
5.Personal computers ____(see) in many families now.
6.English _____ (speak) the most widely in the world.
7. This machine is used for ____ (make) camps.
is used
are seen
is spoken
making
无to不定式
一感 二听
三让
四看
feel
listen to.hear
let.have.make
watch. see. look at. notice
变为被动时加上to
eg. We often see him play basketball.
He is often seen to play basketball by us.
The boss made the children work for long.
The children were made to work for
long by the boss.
1.We often hear Tom play the piano.
2.The teacher let Jack clean the classroom.
Tom is often heard to play the piano .
Jack was let to clean the classroom by the teacher .
Thank you for listening!

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