人教版九年级全册Unit 6 When was it invented？Section A 课件(共52张PPT，无音频)

(共52张PPT)
Unit 6
When was it invented
Section A 1
1a~2d
invent v. 发明
inventor n. 发明家
invention n. 发明
e.g. Edison, a great inventor, invented many great inventions during his life.
Presentation
Do you know what these inventions are
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].
1a
2
3
1
4
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
I think the telephone was invented before the computer.
Well, I agree with you.
I think … was invented before / after ...
Well, I …
Listening
Listen and match the inventions with the years.
1b
___ 1876
___ 1885
___ 1927
___ 1971
d
a
c
b
Listen and complete the conversation.
Alice: Was your life very ________ when you were a kid
Grandma: Oh, __________. Why
Alice: Well, you didn’t have modern inventions like a __________, right
Grandma: Of course we did! How old do you think I am The telephone ____________ in ____. You need to take a ______ class, Alice!
difficult
not really
telephone
was invented
1876
history
Alice: Haha! How about ______ They _________________ yet, were they
Grandma: Yes, they were. Cars _____
________ in ______. My family had a car.
Alice: Well, did you ___________
Grandma: No, we couldn’t ________ one. They were ________ in those days. The TV ____________ around _____, I think.
cars
weren’t invented
invented
were
1885
have a TV
afford
expensive
was invented
1827
Alice: Well, I know that you didn’t have a _________, because we learned in school that personal computers _____________ in ______.
Grandma: You’re right. But I have one now!
computer
were invented
1971
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.
1c
When was the telephone invented
I think it was invented in 1876.
Pair work
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.
Listening
Listen and number the inventions [1-3] in the order you hear them.
2a
___ shoes with special heels
___ shoes with lights
___ hot ice-cream scoop, runs on electricity
1
3
2
n. 鞋跟; 足跟
n. 勺; 铲子
n. 电; 电能
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.
2b
changing
serving
in the dark
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
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 _____.
Listen again and fill in the blanks.
something
seeing
dark
lights
The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
scoop
electricity
used
cold
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
Make conversations using the information in 2b.
What are the shoes with lights used for
2c
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.
Lead-in
What’s this
Zipper.
n. 拉链
Where can you see it
Pants, trousers, bags, backpacks, dressers, shoes, suitcase, etc.
Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention
2d
With pleasure! Let me think… hmm… I know! The zipper!
n. 项目; 工程
n. 高兴; 愉快
The zipper Is it really such a great invention
Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags… almost everywhere!
adj. 每日的；日常的
Well, you do seem to have a point…
Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there.
n. 网站
n. 先锋; 先驱
v. 列表; 列清单 n. 名单; 清单
For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely.
v. 提到; 说到
Really So when did it become popular
Around 1917.
Answer the following questions.
1. Who invented the zipper
It was invented by Whitcomb Judson.
2. When was the zipper invented
In 1893.
3. When was it used widely
In 1917.
Role-play the conversation.
1. With pleasure!
pleasure n. 高兴, 愉快
with pleasure 高兴地
my pleasure 我乐意
e.g. She watched TV with pleasure.
take pleasure in sth.\doing sth.
很高兴做……
=It’s a pleasure to do sth.
e.g. I take great pleasure in studying with
you.
我非常高兴和你一起学习。
=It’s a great pleasure to study with you.
【拓展】
pleasant adj. 高兴的; 满意的
pleased adj. 令人高兴的; 令人满意的
please v. 使高兴; 使满意; 请
2. Well, you do seem to have a point…
嗯，看来你说的确实有道理……
have a point 指“某人的说法或想法有道
理”。
助动词do放在动词seem前面主要用来加强语气，“的确，确实”。在谓语动词前添加助动词do表示强调的用法常见于肯定句和祈使句中。
e.g. I admit (that) you have a point.
我承认你有理。
____________________________, but the problem is that we don’t have a choice.
也许你说的有道理，但问题是我们没有选择。
Perhaps you have a point there
3. They are used for seeing in the dark.
be used for doing sth.“被用来做某事”。与be used to do sth. 同义。表用途、目的。
e.g. 这台电脑是用来控制所有机器的。
This computer is used to control all
the machines.
你知道这个工具是用来做什么的
Do you know what this tool is used
for
4. Think about how often it’s used in
our daily lives.
think about “考虑，想起”。
e.g. 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.
她正回想她的童年时期。
【think短语】
think of 指“考虑, 记忆, 记起”
e.g. You think of everything!
你全都提到了。
I can’t think of his name at the
moment.
我一时想不起他的名字。
think sth. over “仔细想, 审慎思考, 作进一步考虑”。
e.g. Please think over what I said.
请仔细考虑我说的话。
I want to think it over.
我想仔细考虑一下这件事。
think sth. out “想通, 想出, 熟思”。
e.g. He thought out a new idea.
他想出了一个新主意。
That wants thinking out.
那件事需要仔细考虑。
5. For example, it mentioned that the zipper
was invented by Whitcomb Judson in 1893.
mention v. 提到; 说到
mention sth./sb. 提到某事/某人
mention sth. to sb. 向某人提及某事
e.g. Nobody mentioned anything to me
about it.
没有人向我提及这件事。
I. 根据句意及提示, 写出句中所缺单词。
1. The clothes in that store are in different _______ (样式).
2. It’s not right to waste water and __________ (电).
3. Please try this _______ (网站). I think it’s fantastic for beginners.
4. They found great ________ (愉快) in playing basketball.
pleasure
styles
electricity
website
5. The old man is the _______ (先驱) in the field (领域) of space.
6. Helen’s name was _______ (列出) on the blackboard.
7. Mr. Black told me not to ________ (提到) that at the meeting.
8. Dr. Wilson, could you please give a brief introduction to your _________ (工程)
project(s)
pioneer
listed
mention
II. 根据汉语意思完成英语句子, 每空一词。
1. 很抱歉我不能想起这部电影的名字。
I’m sorry I can’t _______ _______ the name of the film.
2. 你说的有道理，电脑在我们的日常生活中起着重要的作用。
You have a puters play an important part in our _______ _______.
daily lives
think of
3. 去年他去了很多国家，比如澳大利亚。
He went to many countries last year, ______ ________, Australia.
4. 那时我们正在上英语课。
We were having an English class _______ ______ ______.
5. 安娜似乎不太喜欢这个主意。
Anna doesn’t ______ ______ ______ the idea.
seem to like
for example
at
that time
III. 根据括号内的要求完成下列各题，每空
一词(含缩略形式)。
1. Mom washed these clothes last night. (改为被动语态)
These clothes ________ _________ by Mom last night.
2. Were these vegetables grown by your father last year (补全肯定答语)
________, they _________.
Yes were
were washed
3. The book was bought last week. (改为否定句)
The book ________ __________last week.
4. The bad man was caught yesterday. (对划线部分提问)
_______ _______ the bad man _________
5. Coal is used for cooking meals. (对划线部分提问)
________ _______ coal ________ for
What is used
wasn’t bought
When was caught
Recite the conversation in 2d.