内容正文:
Unit 6
When was it invented?
SectionA 1a-1c
Step 1 Lead in—Talk about Chinese four great ancient inventions.
Do you know the Chinese four great inventions?
Paper making
Printing
Compass
Gunpowder
Step 1 Lead in—Match the inventions with times and inventors
paper making
printing
compass
gunpower
Han Dynasty
Song Dynasty
11th Century
9th Century
Cai Lun
Sun Simiao
Bi Sheng
Make conversations with your partner:
A: When was the ... invented? B: It was invented in ...
A: Who was the ... invented by? B: It was invented by ....
Step 2 Presentation
What are these morden inventions called?
Computer
Car
Telephone
TV
Do you think they are useful?
—Talk about modern inventions.
Firdge
(n,冰箱)
Step 2 Presentation
—Talk about modern inventions.
Inventions
Inventors
Computer
Car
Telephone
TV
Alexander Bell
亚历山大 贝尔
Karl Benz
卡尔 本茨
J. L. Baird
贝尔德
John Neuman
约翰 诺伊曼
Make sentences like this:
John Neuman invented the first computer. =
The first computer was invented by John Neuman.
Karl Benz invented the first car.
The first car was invented by Karl Benz .
Karl Friedrich Benz
卡尔·弗里特立奇·本茨
The first telephone was invented by Bell.
Bell invented the first telephone .
Alexander Bell
亚历山大·贝尔
_____ ____________
The first television was invented by J. L. Baird.
J. L. Baird invented the first television.
J. L. Baird
约翰·洛吉·贝尔德
B: The first computer was invented by John von Neumann.
A: Who was the computer invented by?
John von Neumann
约翰·冯·诺依曼
When were they invented?
First, can you guess the order they were invented?
I think the TV was invented before the car.
1a
Listening
Listen and match the inventions with the years.
_____1876
_____1885
_____1927
_____1971
Listen again and answer the questions.
1. Did the older lady have a telephone?
2. Why didn’t the older lady have a TV?
3. Why didn’t the older lady have a personal computer?
4. Can you guess when the older lady was born?
While-listening
两个数字一组,前后两组
前两个数字不为零,后两个数字为零。
千年
非四位数的年份的读法
1865 eighteen sixty five
1989
nineteen eighty nine
1800 eighteen hundred
1900
nineteen hundred
2000 two thousand
2001
two thousand and one
531 five hundred and thirty-one
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.
Who was it invented by?
It was invented by Bell.
1.What is it/are they used for?
be used for doing sth.表示“被用来做某事”。同be used to do sth. 。
be used as... 被用作
e.g. The machine is used for cutting things/ to cut things.
这台机器是用来切割东西的。
This box is now used as a trash bin.
这个盒子现在被用作垃圾桶。
With the development of technology, glass can_________furniture. But I ________my apartment with wooden furniture.
A. use to make; used to decorate
B. be used to make; am used to decorate
C. be used for making; be used to decorate
D. be used to make; am used to decorating
D
Thank you
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