Unit 6 When was it invented? (Section A 1a-1c ) 课件 (共22张PPT，内嵌音频) 人教版英语九年级全册

(共22张PPT)
Unit 6
When was it invented？
Section A 1a-1c
What are the Four Great Inventions in ancient China
Lead-in 2
Talking
paper-making
printing
compass
gunpowder
When and who invented them
paper
105 A. D.
printing
1041-1045
It was invented …
compass
11th Century
gunpowder
9th Century
It was invented …
Karl Benz
Do you know who these inventors are
Alexander Bell
J. L. Baird
Look at the things below. In what order do you think they were invented
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car.
A: I think … was invented before / after ...
B: Well, I …
Listening
Listen and match the inventions with the years.
_____1876
_____1885
_____1927
_____1971
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
Listen and match the Inventions with years.
1b
_______ 1876
_______ 1885
_______ 1927
_______ 1971
d
a
c
b
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.
When was the telephone invented
I think it was invented in 1876.
1c
Who was the telephone invented by
It was invented by Alexander Graham Bell.
Let’s talk about the pictures.
There are some interesting inventions. Let’s see what they are.
shoes with special __________
shoes with ___________
hot ice-cream _________, runs on ___________
heels
lights
scoop
electricity
heel /hi l/
n. 脚后跟；鞋跟
light n. 光线；光源
scoop /sku p/
n. 勺；铲
run on
运行
electricity / lek tr s ti/
n. 电；电力
fridge / Harrison / 1862
washing machine/ Smith / 1858
airplane/ Wright brothers/ 1903
What are they used for
light bulb / Edison / 1879
The ... is used for...
The airplane is used for traveling fast.
The fridge is used for keeping food fresh.
The washing machine is used for washing clothes.
The light bulb is used for giving light in the dark.
Do you know any other invention more interesting
What are they used for
--
1. invent v. 发明
指经过认识和实践创造出前所未有的事物。
Edison invented the light bulb.
爱迪生发明了电灯泡。
invention和inventor都是名词, 前者意为“发明”, 后者意为“发明家”。
Language points
--
1. Edison _________ the electric lamp.
2. I lost my necklace last night. I
haven’t ________ it.
3. Who ___________ America first
invented
found
discovered
用discover，invent和find填空
4. The telephone _________ in 1876.
was invented
--
看图完成句子。
1. (1885, invented)
Cars _______ _______ in 1885.
2. (around 1927, invented)
The TV _______ _______ around 1927.
were
invented
was
invented
--
3. (1971, invented)
The personal computer ______ ______ ______ 1971.
4. (1896，invented)
The telephone _______ ______ ______ ______.
was
invented
in
was
invented in
1876
一、 根据句意及汉语提示完成句子
1. The （勺） is used for serving really cold ice-cream.
2. — Do you like that pair of shoes with special （鞋跟）？
— Yes. I think they look cool.
scoop　
heels　
3. There are many new （样式） of children’s clothes in our shop.
4. Scientists are making more efficient cars which can run on
（电能）.
5. I think the TV was （发明） around 1925.
styles　
electricity　
invented　
二、 用括号中所给词的适当形式填空
1. The Internet is （wide） used in our life now.
2. My uncle is a great in our country and he has many
good .（invent）
3. The cup is used for （drink） tea.
4. This piece of cloth is used （keep） the table clean.
5. I didn’t go to his birthday party yesterday， because I
（not invite）.
widely　
inventor　
inventions　
drinking　
to keep　
wasn’t invited　
三、 根据句意用合适的词填空
1. — Do you know whom the computer was invented ？
— Sorry， I don’t know.
2. Was the car invented 1885？
3. — Which was invented earlier， the telephone or the television？
— I learned in the history class that the telephone was invented
the television.
by　
in　
before　
4. Diana wants to have shoes lights. She thinks they are useful.
5. The flashlight helps people to see the dark.
with　
in