内容正文:
Unit 6
When was it invented?
Section A
1a~2c
What are the Four Great Inventions
in ancient China?
Do you know?
Lead in
Chinese four great ancient inventions
compass
Paper making
gun powder
printing
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?
Look at the things below. In what order do you think they were invented? 拖动图片到序号旁
1a
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.
I think … was invented before / after ...
Well, I …
_____1876
_____1885
_____1927
_____1971
Listening
Listen and match the inventions with the years.
拖动对应编号到横线上
1b
The first telephone _____ ________ (by Bell) in 1876.
Bell invented the first telephone in 1876.
was invented
Karl Benz invented the first car in 1885.
The first car _____ ________(by Karl Benz) in 1885.
was invented
The first television was invented (by J. L. Baird) in 1927.
J. L. Baird invented the first television in 1927.
一般过去时的被动语态:
was/ were + 及物动词-ed形式
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 ______invented?
It was invented in ________.
Pair work
heel n. 鞋跟; 足跟
Presentation
scoop n. 勺; 铲子
electricity n. 电; 电能
Listen and number the inventions [1-3] in the order you hear them.
2a
1
3
2
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
n. 样式; 款式
changing
in the dark
serving
be used for 被用做于……
Listen again and pay attention to the structure “be used for”.
What are the shoes with lights used for?
Make conversations using the information in 2b.
2c
They’re used for seeing in the dark.
be used for doing sth.“被用来做某事”。
与be used to do sth. 同义。表用途、目的。
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.
Presentation
e.g. Edison, a great inventor, invented many great inventions during his life.
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