Unit 6 When was it invented？Section A 1a-1d 课件(共28张PPT)

(共28张PPT)
Section A (1a- 2d)
Unit 6
When was it invented
Learning Aims
1.To talk about the history of inventions.
2. To use the passive voice in past tense.
A: When was the car invented
B: It was invented in 1885.
What are the Four Great
Inventions in ancient China
paper-making
printing
compass
gunpowder
shoes with lights
shoes with special heels
hot ice--cream scoop
zipper
4
2
1
3
I think the telephone was invented before the car.
=I think the car was invented after the telephone.
1a. Look at the things below. In what order do you think they were invented Discuss them with your group.Then number them 【1-4】.
VS
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
VS
The telephone was invented before the computer.
Well, I think the telephone was invented after the computer.
1b. Listen and match the inventions
with the years.
____ 1876
____ 1885
____ 1927
____ 1971
d
a
c
b
Task 1
A: When was the telephone invented
B: It was invented in 1876.
d:The telephone was invented____ 1876.
a:The car was _________ ____ 1885.
c:The TV _____ ________ ____ 1927.
b:The computer ____ ______ __ ____.
in
invented in
was invented in
was invented in 1971
1973
1790
bike,
mobile phone,
1839
A: When was the mobile phone invented
B: It was invented in 1973.
plane, 1882
camera,
Task 2
2a. Listen and number the inventions [1-3] in the order you hear them.
Task 3
___ shoes with special heels
___ shoes with lights
___ hot ice-cream scoop, runs on electricity
3
1
2
2b.Listen again and complete the chart.
Task 4
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
in the dark
serving
changing
Answer the questions according
to the conversation in 2d.
1. When was the zipper invented
Task 5
2. Who invented the zipper
In 1893.
Whitcomb Judson.
3. Where can you see the zippers
On dresses, trousers, shoes, bags...
almost everywhere.
4. When did it become popular
Around 1917.
小小发明家
滑板婴儿手推车
Nothing is impossible if you put your heart into it.
世上无难事,只怕有心人
学以致用----闯关抢红旗
第一关
第三关
第二关
1. The telephone _______ in 1876.
A. invented B. was invented
C. was found D. was discovered
2.The bridge _____ by the farmers in 1992.
A. built B. was build
C. build D. was built
二、单项选择
B
D
3. ---When ____the computer____
--- Sorry, I don’t know.
A.is; invented B. did; invent . C. was ;invented D. was; invent
C
看图完成句子。
1. (1885, invented)
The car _______ _______ in 1885.
2. (1927, invented)
The TV ____ _______ in 1927.
was invented
was invented
When _______the computer ________
(1971, invented)
3.
was invented
B
D