Unit 6 When was it invented? Section A（2a-2d）课件27张缺少音频

(共27张PPT)
Unit 6
When was it invented
Section A 1
2a~2d
学习目标
1.听说读写单词：
heel,scoop,electricity,style,in the dark,invention,inventor
2.能掌握以下被动语态句型：
①—When was the telephone invented
—I think it was invented in 1876.
② —What are they used for
—They are used for seeing at night.
Do you know the four great inventions of China
gunpowder
paper-making
printing
compass
105 B.C.
1041
It was invented …
When was … invented
paper
printing
11th Century
9th Century
When was … invented
It was invented …
compass
gunpowder
When was it invented Group Work
A: What is it used for
B: It is used for making dumplings .
be used for doing被用来做某事
When was it invented Group Work
A: What is it used for
B: It is used for carrying things .
When was it invented Group Work
A: What is it used for
B: It is used for cutting apples.
A: What are they used for
B: They are used for cleaning.
When was it invented Group Work
A: What are they used for
B: They are used for reading in the dark.
B: They are used for sleeping in the office.
Do you know these interesting inventions
what are they used for
shoes with special heels
shoes with lights
hot ice-cream scoop
Listening
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
3
2
n. 鞋跟; 足跟
n. 勺; 铲子
n. 电; 电能
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
n. 样式; 款式
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 ______. The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream. 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 _________.
Listen again and fill in the blanks.
something
seeing
dark
lights
scoop
electricity
used
cold
heels
up
down
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.
Read 2d quickly and answer:
When were the zipper invented
Who was it invented by
When were zippers popular
The zipper was invented in 1893.
It was invented by Whitcomb Judson .
Zippers were popular around 1917.
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.
My pleasure! Let me think… hmm… I know! The zipper!
n. 项目; 工程
n. 高兴; 愉快
n. 拉链
2d
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
Do you know these interesting inventions
what are they used for
Making conversations with the things around us,such as pens, rulers, knives, and so on.
A:What is it
B:It is a car.
A:What is it made of
B:It is made of steel .
A:Who was it invented by
B:I don’t know.
A: When was it invented
B: It was invented in 1885.
A:What is it used for
B:It is used for going to work.
完成句子：
1.汽车是什么时候发明的？它是在1885年被发明的。
When _________ the car________
It _____ _____ _____1885.
2. 带灯的鞋子是什么时候发明的？是去年发明的。
When ____shoes with lights _____ _ They _____ _____ last year.
was invented
was invented in
were invented
were invented
Exercises
3. 他们是谁发明的。是朱丽.汤普森发明的。
_____ were they ____ _____ They were _____ ____Julie Thompson.
4. 他们是用来做什么的？ 是用来在黑暗中视物的。
What are they ____ ____ They’re used _____ _____ in the dark.
5.我认为电话的发明要早于汽车的发明
I think the telephone _______
__________ _________the car.
Who invented by
invented by
for seeing
used for
was
invented before
1. 世界上许多国家都讲英文。
English is spoken in many countries
all over the world . 　　 　
2. 纸是中国发明的。
Paper was invented in China.
3. 这栋大楼是去年建造的。
The building was built last year.
Make sentences
　5. 这本小说已被译成了几种语言。
This novel has been translated into
several languages.
4. 那时这案子正在调查中。
The case was being investigated then.
6. 他们说生产成本已经下降了。
They said that production costs had been reduced.