人教版九年级全Unit 6 When was it invented- section A 1a-2d课件(共36张PPT)

(共36张PPT)
Unit 6
When was it invented
Do you know what these inventions are
Karl Benz
Do you know who these inventors are
Alexander Bell
J. L. Baird
Can you match the inventions with the right inventors
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.
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
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
I think the telephone was invented before the computer.
Well, I agree with you.
Listen and match the inventions with the years.
1b
___ 1876
___ 1885
___ 1927
___ 1971
d
a
c
b
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
1c
When was the telephone invented
I think it was invented in 1876.
When was the car invented
It was invented in 1885.
When was the TV invented
It was invented in 1927.
When was the computer invented
It was invented in 1971.
heel n. 鞋跟; 足跟
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
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 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
Make conversations using the information in 2b.
What are the shoes with lights used for
2c
They’re used for seeing in the dark.
What are hot ice-cream scoop used for
They’re used for serving for really cold ice-cream.
What are shoes with special heels used for
They’re used for changing the style of the shoes.
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。
think sth. out 指“想通, 想出, 熟思”。
e.g. He thought out a new idea.
他想出了一个新主意。
That wants thinking out.
那件事需要仔细考虑。
Recite the conversation in 2d.