(共47张PPT)
Section A (1a-2d)
Unit 1
When was it invented
Leaning aims:
1. 知识与技能目标：
⑴ Master all these words：style，project，
pleasure，daily，website; pioneer; list; mention
⑵ 会用一般过去时的被动语态如be used for 来谈论
常用物品的发明等。
⑶ 能听懂听力材料中物品的发明时间.
2. 过程与方法目标：
会使用比较法对比句子结构；会通过听time ，
who等key words来把握听力信息。
3. 情感态度与价值观目标：
在听力和口语活动中体会世界物质文化的发展史。
重点、难点：一般过去时的被动语态的用法。
It was made by Bell at first .
贝尔（人名）
It used to be like this
It is used for watching programs.(节目）
It was made of steel and iron .
铁
inventions
发明
When were they invented
What are the Four Great Inventions
in ancient China
Do you know
Free talk
paper-making
造纸术
compass
指南针
printing
印刷术
gunpowder
火 药
Cai Lun
paper making
In Han Dynasty
A: When was …invented
B: It was invented in…
A: Who was it invented by
B: It was invented by…
A: What is the … used for
B: The … is used for doing…
record information
printing
1300 years ago
/ Song Dynasty
Bisheng
Printing
gun powder
compass
Chinese
Tang Dynasty
Exploding war and fireworks
Chinese
War Dynasty
Knowing the direction
inventions
car
What’s this called in English
television
telephone
computer
calculator
microwave
oven
light bulb
battery
light bulbs
When were they invented
They were invented in….
1879
They were invented by Edison.
Who were the light bulbs
invented by
Guess！
What are they used for
They are used for giving light.
light bulbs
Look at the things. In what order do you think they were invented
A: I think the TV was invented before the car.
B: Well, I think TV was invented after the car.
Discuss!
The telephone was invented
before the TV set.
A: I think … was invented before …
B: Well, I think … was invented after ….
The telephone was invented before
the computer.
A: I think … was invented before …
B: Well, I think … was invented after ….
1a Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1–4] (1 = first, 4 = last).
A: I think the TV was
invented before the
car.
B: Well, I think the TV
was invented after
the car.
4
2
1
3
1b Listen and match the inventions with
the years.
____ 1876
____ 1885
____ 1927
____ 1976
d
a
c
b
Strategy: Pay attention the time and the inventions
traveling.
A: When was …invented
B:
A: Who was it invented by
B:
A: What is the … used for
B:
Karl Benz
in 1885.
Pairwork
1976
Steven Wozniak
Steve Jobs
1876
Bell
1927
John Baird
heel n. 鞋跟; 足跟
Presentation
scoop n.
勺; 铲子
electricity n. 电; 电能
e.g. I like the style of the skirt.
我喜欢这条裙子的款式。
style
n. 样式; 款式
2a Listen and number the inventions [1–3]
in the order you hear them.
2
1
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 cold ice-cream
Listen again and complete the chart.
2b
changing
serving
in the dark
The first invention is shoes with ________. People always hit their toes on __________ on the way to the bathroom at night. So people can use them for ________ in the ______.
Listen again and fill in the blanks.
something
seeing
dark
lights
The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
scoop
electricity
used
cold
The last invention is shoes with special _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a ______ or ______ them if you are just going out for _________.
heels
down
up
raise
party
lower
shopping
zipper
Stop people from the cold,
decoration.
2d
Before reading, read the following questions.
What is the subject for Paul’s school project
What does Roy think is a great invention
Where is the zipper used
When was it invented
Who was it invented by
When did it become popular
Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention
Roy: My pleasure! Let me think ... hmm ... I know! The zipper!
Paul: The zipper Is it really such a great invention
Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags ... almost everywhere!
2d. Role-play the conversation.
n. 高兴，愉快
adj.每日的，日常的
Paul: Well, you do seem to have a point ...
Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely.
Paul: Really So when did it become popular
Roy: Around 1917.
有道理
n. 先锋、先驱
v,n 列表、列举
V提到，说明
Answer following questions.
What is the subject for Paul’s school project
What does Roy think is a great invention
Where is the zipper used
When was it invented
Who was it invented by
When did it become popular
It’s “Small inventions that changed the world”
He thinks zipper is a great invention.
It is used in our daily lives. You can see zippers on
dresses, trousers, shoes, bags… almost everywhere.
It was invented in 1893.
It was invented by Whitcomb Judson.
It became popular around 1917.
Explanations
the style of the shoes 鞋子的款式
style名词，意为“样式；款式”。
其常用短语 in style意为“时髦的”，
其反义短语为out of style, 意为“过时的”。
Her clothes are always in style.
她的衣服总是很时髦。
(2) style作名词，还可意为“方式”。
Our children need new learning styles.
我们的孩子需要新的学习方式。
2. list动词，意为“列表;列清单”。
List them and you will never forget
把它们列出来你就不会忘记了。
list用作名词，意为“名单；清单”。
I did not see his name on the list.
我在名单上没有看到他的名字。
3. My pleasure! 非常愿意！
pleasure n. 意为“高兴;愉快”。
常用短语 my pleasure. / With pleasure. / It’s a pleasure.
please v.使某人高兴， adv. 请。
pleasant adj. 令人愉快的. 修饰物
pleased adj. 对… 满意, 修饰人。 常用短语:
be pleased to do sth. /be pleased with sb
(1)He takes no _______ in his work.
(2) I am very _______for it is a very______ trip.
(3) He is a very hard man to _______.
pleasure
pleased
pleasant
please
4. Think about how often it’s used in our daily
lives.
想想看,在我们的日常生活中它被使用得多么频繁。
daily (happening, done or produced every day)
形容词，意为“每日的；日常的”。
Don’t you read the daily news in today’s
newspaper
weekly, monthly, yearly, manly.
5. Well, you do seem to have a point ...
嗯，看来你说的确实有道理……
have a point固定短语，意为“有道理”
You have a point — It would be better to
wait till tomorrow.
你说的有道理，还是等到明天比较好。
6. The pioneers of different inventions were
listed there.
各种发明的先驱者们被列到了上面。
pioneer (a person who does something first)
可数名词，意为“先锋；先驱”。
China Young Pioneers意为“中国少年先锋
队”。
He is a computer pioneer.
他是计算机方面的先驱。
7. For example, it mentioned that the zipper was
invented by Whitcomb Judson in 1893.
例如, 它提到拉链是在1893年由惠特科姆.贾德
森发明的。
mention动词，意为“提到，说到”其后可接
that 引导的宾语从句。
He mentioned that the food was invented by a
Chinese.
他提到这种食物是由一个中国人发明的。
8. 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。
Summary：
主动语态与被动语态结构对比
主动语态 被动语态
1. 一般现在时 （Unit5）
do/does(V.\V.s) am\is\are+done(V. p.p)
2. 一般过去时(Unit 6)
did(V.-ed) was\were+done(V. p.p)
3. 情态动词 （Unit7 ）
情态动词+V. 情态动词+be+done(V. p.p.)
Exercises
１．小汽车是什么时候发明的？
When_____ the cars __________
２．刀是用来干什么的？
What ____the knife ____ _____
３．当冰被加热时，就会变成水。
When ice ___ _____, it___ _____ into
water .
４．谁发明的电话？
Who ____ the telephone ______ ______
were
invented
is
used
for
is
heated
is
changed
was
invented
by
Homework
Read and recite 2d with your partner.
Complete the leading paper.
Preview 3a.
