人教版九年级全册Unit 6 when was it invented？SectionA1 1a—2d 课件(共21张PPT，无音频)

(共21张PPT)
Unit 6 when was it invented
SectionA1
1a—2d
Four great inventions
compass
gun powder
printing
paper making
[ k mp s]罗盘，圆规，指南针、界限
Alexander Bell
亚历山大 贝尔
Karl Benz
卡尔 奔驰
J. L. Baird
贝尔德
John von neuman
约翰·冯·诺伊曼
说说电视、汽车、计算机、电话是谁发明的？
1876
1885
1927
1971
a
b
c
d
When was the telephone invented
I think it was invented in 1876.
一般过去时的被动语态：
was/ were + 及物动词-ed形式
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].
1
2
3
4
4
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car.
√
1c
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.
For example:
Bell invented the first telephone in 1876.
The first telephone was invented (by Bell) in 1876.
Please design questions based on material and answer them.
For example:
When was telephone invented
It was invented in 1876
Was computer invented in 1971
Yes,it was.
1.这座桥是1968年修的。
2.我的词典是前天买的。
3. 这些小车是上个世纪制造的。
4.那些西红柿是去年种植的。
The bridge was built in 1968.
My dictionary was bought the day before yesterday .
These cars were made last century .
The tomatoes were planted last year.
翻译句子
一般过去时的被动语态：
was/ were + 及物动词-ed形式
一般过去时的被动语态：
was/ were + 及物动词-ed形式
2a
Listen and number the inventions [1-3] in the order you hear them.
3
2
1
2b
Listen again and complete the chart.
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
style n. 样式, 款式
in style 流行的, 时髦的
out of style 过时的
the style of…. ……的样式\款式
be used for 被用做于 ……
be used for doing sth.
be used to do sth.
可以用来表目的、用途
被用来做某事
根据听力材料，学生设计问题，并回答
2d
Listen to 2d ,Answer the following questions.
What was shoes with lights used for
Was shoes with lights used to move the heels up and down
Role play
带有后跟的鞋子是用来做什么的。
2) 在那个时候，计算机还没有被广泛使用。
___ ____ _____, computer______ ______ ______.
Exercise
at that time
wasn’t used widely
What shoes with heels _ _
was
used for doing
3)小车是1885年发明的吗？是的
Was car invented in 1885 Yes ,it was