(共34张PPT)
人教新目标版 九年级（全）
Unit6 When was it invented
Period1 Section A 1a-2d
听说课优质课
Presentation
Learning aims
1.学习本课新词汇: heel, style, project, pleasure, daily, website, pioneer, list, mention,be invented by/in..., be used for/to do...
掌握句型：When was the car invented
It was invented in 1885.
What are they used for
They’re used for seeing in the dark.
3. 在听力练习中，能听懂一般过去时被动语态的句子谈论发明和发明的历史以及发明的用途等。
4.在听说练习中能够使用被动语态谈论生活中的发明。
Presentation
Lead in
Pre-listening
Look and say.
Talk about Chinese four great ancient inventions.
What are the four great inventions in ancient China
Can you guess which one of them was invented first
paper-making 造纸术
printing [ 'printi ] 印刷术
compass ['k mp s] 指南针
gunpowder ['g npa d (r)]
火 药
Presentation
Discussion
Pre-listening
Look and say.
When were they invented
Who were they invented by
paper making \105 B.C.
printing\1041-1045
compass
11th Century
gunpower
9th Century
Han Dynasty\Cai Lun
Song Dynasty\Bi Sheng
When was… invented It was invented in...
Who was … invented by It was invented by...
Who was the paper making invented by
It was invented by Cai Lun.
= Cai Lun invented the paper making.
Who was the printing invented by
It was invented by Bi Sheng
Presentation
Lead in
Pre-listening
Look and say.
bulb
Talk about modern inventions.
Which one do you think is the most helpful in our daily life
calculator
car
cell phone
plane
IV
computer
telephone
Presentation
Presentation
Pre-listening
Look and say.
Do you know who these inventions were invented by
Karl Benz
卡尔 奔驰
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz).
Alexander Bell
亚历山大 贝尔
The first telephone was invented (by Bell) .
Bell invented the first telephone.
J. L. Baird
贝尔德
The first television was invented (by J. L. Baird) .
J. L. Baird invented the first television .
Presentation
Practice
Pre-listening
Look and say.
light bulb
Edison
1879
A. Edison_____________________________
Sentences:
invented the light bulb in 1879.
was invented by Edison in 1879.
B. The light bulb_______________________________
A. Wright Brothers ________________________
Sentences:
invented the plane in 1903.
B. The plane _________________________________
was invented by Wright Brothers in 1903.
Wright Brothers 1903
plane
iPad
Steve Jobs
2010
Sentences:
A. Steve Jobs____________________________
invented the iPad in 2010.
B. The iPad_______________________________
was invented by Steve Jobs in 2010.
Presentation
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4].
1a
2
3
1
4
A: I think the TV was
invented before the car.
B: Well, I think the TV was invented after the car.
Pre-listening
Look and say.
Presentation
Practice
Pre-listening
Look and say.
A: I think … was invented before …
B: Well, I think … was invented after ….
The telephone was invented before the car.
The car was invented before the television.
The television was invented before the computer.
一般过去时的被动语态
was/ were + 及物动词-ed形式
Presentation
Presentation
Pre-listening
Look and say.
1
两个数字一组，分为前后两组
1865 eighteen sixty five
1989
eighteen hundred
1900
531 five hundred and thirty-one
two thousand
2001
3
前两个数字不为零，后两个数字为零。
2
千年的读法
4
非四位数的年份的读法
年份的读法
two thousand and one
nineteen eighty nine
nineteen hundred
Presentation
Listening
While-listening
Look and say.
1b
Listen and match the inventions with the years.
Grandma
Alice
____1876
____1885
____1927
____1976
b
They are talking about the time of the inventions.
When was the
...invented
d
a
c
Presentation
Listening
While-listening
Look and say.
Alice: Was your life very _________ when you were a kid
Grandma: Oh, _________. Why
Alice: Well, you didn’t have modern inventions like a telephone, right
Grandma: Of course we did! How old do you think I am The telephone
___________ in_____. You need to take a _______ class, Alice!
Alice: Haha! How about ____ They weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented in _____. My family had a car.
Alice: Well, did you have a ____ Grandma: No, we couldn’t ______ one. They were ________
in those days. The TV was invented around ______, I think.
Alice: Well, I know that you didn’t have a ________because we learned in school
that personal computers were invented in ______.
Grandma: You’re right. But I have one now!
difficult
not really
was invented
1876
history
cars
1885
TV
afford
expensive
1927
computer
1971
Listen and fill in the blanks.
Presentation
Reading
一般过去时的被动语态：
was/ were + 及物动词-ed形式
Listen and repeat.
While-listening
Presentation
Practice
Post-listening
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.
When was the telephone invented
I think it was invented in 1876.
When was the car invented
It was invented in 1885.
When was the TV invented
It was invented in 1927.
When was the computer invented
It was invented in 1971.
Presentation
Practice
Post-listening
A: When ____the telephone _______
B: I think it was ________ _____ 1876.
was
invented
invented
in
A: When was the car invented
B: I think it ___ _____ ___1930.
A: When ____ the TV _________
B: I think it was invented in 1927.
A: When was the computer invented
B: I think it _____ ________ in 1976.
Complete the sentences and then practice in pairs.
was invented in
was
invented
was invented
Presentation
Presentation
Pre-listening
There are three new interesting inventions.
Let's look at what they are.
Shoes with lights
有灯光的鞋子
hot ice cream scoop,
runs on electricity
加热的冰激凌勺，电力运行
shoes with special heels
有特殊鞋跟的鞋子
move the heels up and down
Presentation
Listening
While-listening
2a
Listen and number the inventions [1-3] in the order you hear them.
1
3
2
Presentation
Listening
While-listening
2b
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
n. 样式; 款式
Presentation
The first invention is shoes with ________. People always hit their toes against __________ on the way to the bathroom at night. So people can use them for ________ in the ______.
The second invention is a hot ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
The last invention is shoes with special _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a ______ or ______ them if you are just going out for _________.
heels
down
up
raise
party
lower
shopping
Listen again and fill in the blanks.
lights
something
seeing
dark
scoop
electricity
used
cold
Listening
While-listening
Presentation
Reading
be used for 被用做于……
Listen and repeat.
While-listening
Presentation
Practice
Post-listening
2c
Make conversations using the information in 2b.
A: What are they used for
B: They’re used for ...
What are the shoes with lights used for
They’re used for seeing in the dark.
What are hot ice-cream scoop used for
They’re used for serving for really cold ice-cream.
What are shoes with special heels used for
They’re used for changing the style of the shoes.
Presentation
It was invented by________.
Who was ___________invented by
Bell
What is it used for
I think it is used for_________________.
talking with people
What is it used for
I think it is used for_________________.
It was invented by___________.
Carl Benz
Who was ___________invented by
What are they used for
I think they are used for_________________.
seeing in the dark
They were invented by___________.
Edison
Who were ___________invented by
traveling
Fill in the blanks and then ask and answer in pairs.
Bell
Carl Benz
Edison
Practice
Post-listening
Presentation
Lead in
Post-listening
Do you know who the zipper was invented by
What’s this
zipper n. 拉链；拉锁
Where can you find it
trousers
bags
shoes
suitcase
backpack
Presentation
Reading
4. Who was the zipper invented by
5. When was the zipper invented
6. When was it first used widely
Read 2d and answer the following questions.
What is the subject for their school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
It was invented by Whitcomb Judson.
It was invented in 1893.
It became popular in around 1917.
Post-listening
Presentation
Reading
Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world ”. Can you help me think of an invention
Roy: With pleasure! Let me think... hmm...I know! The zipper!
Paul: The zipper Is it really such a great invention
Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags.. almost everywhere!
Paul: Well, you do seem to have a point…
Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn't used widely.
Paul: Really So when did it become popular
Roy: Around 1917.
Post-listening
Listen and repeat.
Presentation
Practice
Post-listening
Inventions when who Purpose
washing machine 1858 Smith wash clothes
fridge 1862 Harrison keep food fresh
light bulb 1879 Edison see in the dark
Introduce these inventions using the information below.
Washing machine was invented in 1858.
It was invented by Smith.
It is used for washing clothes.
Fridge was invented in 1862.
It was invented by Harrison.
It is used for keeping food fresh.
Light bulb was invented in 1879.
It was invented by Edison.
It is used for seeing in the dark.
Presentation
Language points
Post-listening
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”。
辨析invent/discover/find/find out
① invent意为“发明；创造”，主要指通过想象、研究、劳动等创造出前所未有的东西，尤指科技上的创造发明。
② discover指发现或偶然发现本身就存在但未被认识的事物。
find强调找的结果，即发现某种本来存在,但以前未被发现或未为人所知的事物。
④ find out指经过观察、调查，把某事物查出来，意为“搞清楚；弄明白”。
用discover，invent和find填空
1. Edison _________ the electric lamp.
2. I lost my necklace last night. I haven’t ___________ it.
3. Who ________ America first
invented
found
discovered
4. The telephone _____________ in 1876.
was invented
Presentation
Language points
Post-listening
2. be used for ... 被用来……
是由“use sth. for sth. / doing sth.”结构转变而来, 介词for在这里表示用途或作用, 后面可以接名词、代词或动词-ing形式。
This machine can be used for cutting grass.
这个机器可以用来割草。
3. Well, you do seem to have a point …
you do seem to have a point … 是个强调句，用“助动词do +谓语动词原形”的结构。
He does work hard.
I did see him in the mall.
have a point 有道理
I admit (that) you have a point. 我承认你有理。
I guess you have a point there.
我想你说的有道理。
Presentation
Language points
Post-listening
4. … it mentioned that the zipper was …
（1）mention表示“提到；提及”，是及物动词，其后接名词或代词作宾语时，无需用任何介词；另外注意不接双宾语。
Don’t mention this problem this evening.今晚别提这个问题。
（3）not to mention意为“更不用说；还不算”。
Don’t mention it.意为“（别人道谢时回答）不客气”。
（2）若后接动词，要用动名词，不能用不定式。
Whenever I mention playing football, he says he’s too busy.
我一提起踢足球，他就说太忙。
5. Think about how often it's used in our daily lives.
think about表示“考虑；想起”。
He is thinking about travelling in the summer holidays.
他正在考虑暑假旅游的事。
She was thinking about her childhood days.她正在回想她的童年时期。
think of 指“考虑；记忆； 记起” I can’t think of his name at the moment. 我一时想不起他的名字。
think sth. over 指“仔细想, 审慎思考；作进一步考虑” Please think over what I said. 请仔细考虑我说的话。
think sth. out 指“想通；想出；熟思” He thought out a new idea. 他想出了一个新主意。
Language points
Post-listening
Presentation
Class test
Post-listening
完成句子， 每空一词
1.这个实验室是用来做医学研究的。
The laboratory ___________doing medical research.
2.你知道拉链是谁发明的吗
Do you know who zippers _____________
3.我喜欢这双带着特殊鞋跟的鞋子。
I like the shoes .
4.或许你说的有道理， 我同意你的观点。
Maybe you . I agree with you.
5.不同发明的先驱者在那家网站上被列举出来了。
The of different inventions on that .
is used for
were invented by
with special heels
have a point
pioneers
were listed
website
Presentation
Homework
Preview the passage in 3a.
Look up some information about some famous inventions.
https://www.21cnjy.com/help/help_extract.php
