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(共24张PPT)
Unit 6 When was it invented
Period 1 Section A （1a-2c）
（人教版）九年级
01
Learning objectives
Content
02
Lead-in
03
While-listening
05
06
Pre-listening
07
Post-listening
04
Summary
08
Homework
Assessment
Learning objectives
Learn some core words and expressions of the conversations;
2. Talk about the history of inventions.
Lead -in
How do you read the following numbers
年份的读法
1. 两个数字一组，分为前后两组
2.千年的读法
3. 前两个数字不为零，后两个数字为零。
4. 非四位数的年份的读法
1865 eighteen sixty-five
1989
eighteen hundred
1900
531 five hundred and thirty-one
two thousand
2001
two thousand and one
nineteen eighty-nine
nineteen hundred
Presentation
the four great inventions in ancient (古代的)China
compass
gun powder
printing
paper-making
printing
Bi Sheng invented the printing.
The printing ______________ Bi Sheng.
was invented by
Who was the printing invented by
paper-making
The paper-making ______________ Cai Lun.
was invented by
Cai Lun invented the paper-making.
Who was the paper-making invented by
What’s the video about
The evolution of the telephone.
When was the phone invented
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).
1a
A: I think the TV was invented
before the car.
B: Well, I think the
TV was invented
after the car.
2
3
1
4
While-listening
1b Listen and match the inventions with the years.
____ 1876
____ 1885
____ 1927
____ 1971
d
a
c
b
The car was invented in 1885.
The computer was invented in 1971.
The TV was invented in 1927.
The telephone was invented in 1876.
Who invented them
约翰·贝尔德（1888年8月13日－1946年6月14日）是工程师及发明家，是电动机械电视系统的发明人，他的发明贡献包括发展光纤、电视、无线电测向仪、红外线夜视镜及雷达。
Karl Benz
Bell
卡尔·弗里德里希·本茨（Karl Friedrich Benz，德国著名的戴姆勒-奔驰汽车公司的创始人之一，现代汽车工业的先驱者之一，人称“汽车之父”、“汽车鼻祖”。
亚历山大·格拉汉姆·贝尔，1847年3月3日－1922年8月2日），是著名的苏格兰裔美国发明家、企业家。
他获得了世界上第一台可用的电话机的专利权，创建了贝尔电话公司（AT&T公司的前身）。关于电话的发明者尚存争议，美国国会2002年6月15日判定意大利人安东尼奥·梅乌奇为电话的发明者，加拿大国会则于2002年6月21日通过决议，重申贝尔是电话的发明者，另外一部分人则认为伊莱沙·格雷是电话的发明者。
Post-listening
Edison
light bulb 1879
A: When was it invented
B: It was invented in 1879.
A: Who was the light bulb invented by
B: It was invented by Edison.
A: What’s it used for
B: It’s used for seeing in the dark.
A: When was it invented
B: It was invented in 1879.
A: Who was the light bulb invented by
B: It was invented by Edison.
A: What’s it used for
B: It’s used for seeing in the dark.
Bell /1876
talking with
people far away
Karl Benz /1885
traveling fast
the Wright brothers/1903
flying in the sky
1c Make conversations using the information in 1a. Then talk about your own town/city.
When was
the computer invented
It was invented
in 1971.
2aListen and number the inventions [1–3] in the order you hear them.
2
1
3
2b
Listen again and complete the chart below.
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
changing
in the dark
serving
被用来做某事
A: What are the shoes with special heels used for
B: They are used for…
2c Make conversations about the other places in the picture in 2a.
What are
they used for
They’re used
for…
Exercises
1. Keys _______ used for ______ the doors.
is, opening　 B. is, opened　
C. are, opening　 D. are opened
2. When ______ the car ________
A. did, invent　　 B. was, invented　　
C. does, invent　 D. in, invented
3. The light bulb is used for ______(照明) in the dark.
seeing
Summary
use sth to do
used to do sth
be used to doing sth
get used to doing sth
be used to do sth
be used for doing sth
过去常常做某事
现在习惯于做某事
被用来做某事 (被动)
使用某物去做某事
The box can be used as a desk.
被当作----使用
Homework
Recite the useful expressions.
Listen and repeat 1b,2a,2b.
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Thanks!

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