Unit 6 When was it invented Section A （1a-2d）(第1课时）课件43张PPT

Unit 6 When was it invented？
Section A(1a-2d)
第1课时
2020年秋人教新目标英语九年级上册精品课件
学 习 目 标
1
听并用被动语态谈论重要的发明及其历史
(1)—When was … invented?
—I think it was invented in…
(2) I think … is invented before/after…
听并用被动语态谈论发明物的用途
What is/are … used for?
It is/they are used for...
2
课 堂 导 入
Amazing Chinese inventions
paper-making
造纸术
printing
印刷术
compass
指南针
gunpowder
火药
Do you know what these inventions are?
课 堂 学 习
Karl Benz
卡尔·奔驰
Do you know who these inventors are?
Alexander Bell
亚历山大·贝尔
J. L. Baird
贝尔德
Can you match the inventions with the right inventors?
The first telephone was invented (by Bell) in 1876.
Bell invented the first telephone in 1876.
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
The first television was invented (by J. L. Baird) in 1927.
J. L. Baird invented the first television in 1927.
Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4].
2
3
1
4
1a
A: I think the TV was invented
before the car.
B: Well, I think the TV was invented
after the car.
Talk about with your partner.
A: I think the calculator was invented
before the computer.
B: Well, I think the calculator was invented
after the computer.
Talk about with your partner.
一般过去时的被动语态：
was/ were + 及物动词-ed形式

Listen and match the inventions with the years.
d
1876
1885
1927
1971
a
c
b
1b
When was the
...invented?
a
b
c
d
一般过去时的被动语态：
was/ were + 及物动词-ed形式
两个数字一组，分为前后两组
1
1865 eighteen sixty five
1989
3
前两个数字不为零，后两个数字为零。
eighteen hundred
1900
4
非四位数的年份的读法
531 five hundred and thirty-one
two thousand
2001
two thousand and one
nineteen eighty nine
nineteen hundred
2
千年的读法
年份的读法
Pair work
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
Shoes with lights
hot ice cream scoop,
runs on electricity
shoes with
special heels
有灯光的
鞋子
加热的
冰激凌勺，
电力运行
有特殊鞋
跟的鞋子
Listen and number the inventions[1-3] in the order you hear them.
3
1
2
___ shoes with
special heels
___ shoes
with lights
___ hot ice-cream
scoop runs on
electricity
2a
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
Listen again and complete the chart.
changing
serving
in the dark
2b
n. 样式; 款式
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
Listen again and pay attention to the structure “be used for”.
be used for 被用做于……
Make conversations using the information in 2b.
What are the shoes with lights used for?
They’re used for seeing in the dark.
2c
Pair work
Lead-in
What’s this?
Zipper.
n. 拉链
Where can you see it?
Pants, trousers, bags, backpacks, shoes, suitcases, etc.
Role-play the conversation.
Read the passage quickly and answer the questions.
2d
1. Who invented the zipper?
It was invented by Whitcomb Judson.
2. When was the zipper invented?
It was invented in 1893.
3. When was it used widely?
It was invented in 1917.
1) 拉链是在1893年被惠特科姆.贾德森发明的。
The zipper ___ ________ ___ Whitcomb
Judson ___ 1893.
2) 但是在那个时候，它还没有被广泛使用。
But ___ ____ _____, it ______ ______
widely.
was invented by
in
at that time
wasn’t used
Read and translate.
Role-play
1. Read the dialogue aloud for a
few minutes by yourself;
2. Role play in groups;
3. Role play in front of the class.
Crazy inventions
used for dancing
used for driving and flying
used for walking and singing
used for living and walking
used for driving in the sea
used for driving
I. 根据语境, 从方框中选择恰当的短语填空, 有的需要变换形式。
think of, have a point, with pleasure,
be used for, see a website
1. Pencils _______________ drawing and writing.
2. Who can ______________ a good way to remember the English words?
are used for
think of
课 堂 达 标
think of, have a point, with pleasure,
be used for, see a website
3. I _________________ this morning. I think it can help you with English.
4. —Could you please clean the room? I’m
going to cook dinner.
—_________________. I’ll do it at once.
5. You _______________. Computers play an important part in our daily lives.
have a point
saw a website
With pleasure
II. 根据汉语意思及括号内所给提示语，将
下列句子翻译成英语。
1. 这些树不是我们去年种的。 (not plant)
These trees weren’t planted by us last year.
2. 自行车是什么时候发明的？ (when)
When was the bike / bicycle invented?
Homework
Preview the passage in 3a.
Look up some information about some famous inventions.
Thank you !
谢谢
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