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(共53张PPT)
Unit 6
When was it invented
R·九年级全一册
Section A 1a-2d
style
样式；款式
New words
项目；工程
高兴；愉快
每日的；日常的
project
pleasure
daily
网站
先锋；先驱
列表；列清单；名单；清单
提到；说到
website
pioneer
list
mention
Do you know what these inventions are
car
telephone
television
Karl Benz
Do you know who these inventors are
Alexander Bell
J. L. Baird
Can you match the inventions with the right inventors
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].
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 ______.
Well, I think ___________.
I think the TV was invented before the car.
Grammar
was invented 被发明
一般过去时的被动语态的结构：
was/were + 及物动词的过去分词
如：These trees were planted last year.
The car was bought yesterday.
一般过去时的被动语态的疑问句型
① 一般疑问句：
was/were+主语+过去分词+其他？
Were the flowers planted last spring
② 特殊疑问句：
特殊疑问词+was/were+主语+过去分词+其他？
When was the sports meeting held
invent v. 发明
指经过认识和实践创造出前所未有的事物。
翻译：爱迪生发明了电灯泡。
Edison invented the light bulb.
invention 名词，发明
inventor 名词，发明家
★discover 发现
指发现某种本来存在，但以前未被发现或未为人
所知的事物或现象。
翻译：后来我发现他如此善良。
Later I discovered that he was so kind.
辨析：discover, invent与 find
★ invent 发明
指发明以前不存在的东西。
翻译：你知道谁发明的电脑吗？
Do you know who invented the computer
★find 找到；发现
指偶然发现或几乎没有困难地发现
翻译：我在那个抽屉里发现了一些旧照片。
I found some old photos in that drawer.
1. Edison _________ the electric lamp.
2. I lost my necklace last night. I haven’t ______ it.
3. Who ___________ America first
invented
found
discovered
练一练
1b
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____1927
_____1971
d
a
c
b
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!
difficult
not really
was invented
1876
history
Tapescripts
Alice: Haha! How about ____ They weren’t
invented yet, were they
Grandma: Yes, they were. Cars were invented in
_____. My family had a car.
cars
1885
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!
TV
afford
expensive
1927
computer
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
A: When was the telephone invented
B: I think it was invented in 1876.
I think it was invented in ______.
When was the ______ invented
Grammar
cover在本句中为动词，意为“（用东西）盖住”。
cover…with… 用……盖住……
被动形式: …be covered with…
如：Snow covered the ground.
Student B, cover the dates. 学生B遮住日期。
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
Listen again and complete the chart.
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
changing
serving
in the dark
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 hot 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
Alex: Hi, Carol. Wow, what are those
Carol: Hello, Alex. Oh, these are some of the
interesting inventions that I’m writing
about for my English homework.
Alex: I see…What’s that, then
Carol: They’re shoes with lights. You use them for
seeing in the dark when you get up at night.
Tapescripts
Alex: Oh, that’s a cool idea! I always hit my toe
against something on the way to the bathroom
at night.
Carol: Next is a special ice-cream scoop. This is
my favorite invention. It runs on
electricity and becomes hot.
Alex: I know what it’s for! It’s used for serving
really cold ice-cream.
Carol: Yes, that’s right! The last invention I’m going to write about is shoes with special heels. You can move the heels up and down.
Alex: What are they used for
Carol: Well, you can change the style of your shoes.
You can raise the heels if you are going to a
party or lower them if you are just going out
for shopping.
被用来……
2c
Make conversations using the information in 2b.
A: What are they used for
B: They’re used for …
They are used for ______.
What are the ______ used for
Play roles
2d
Read the passage and answer the questions.
1. 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
4. Who and when was the zipper invented
5. When did the zipper become popular
1. What is the subject for their school project
2. What kind of invention does Roy think of
Small inventions that changed the world.
The zipper.
3. Why does Roy think it is a great invention
4. Who and when was the zipper invented
5. When did the zipper become popular
Because it is often used in our daily lives.
Whitcomb Judson invented it in 1893.
Around 1917.
Role-play the conversation.
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!① Let me think… hmm… I know!
The zipper!
Paul: The zipper Is it really such a great invention
拉链；拉锁
项目；工程
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…②
每日的；日常的
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 1893.③ But at that time,
it wasn’t used widely.
Paul: Really So when did it become popular
Roy: Around 1917.
网站
先锋；先驱
列表；列清单
提到；说到
1. —Can you help me think of an invention
—With pleasure!
Grammar
她觉得自己的工作毫无乐趣。
She took no pleasure in her work.
我会愉快地记着这次的会晤。
I will remember this meeting with pleasure.
和你一起工作真是一件乐事。
It is a pleasure to work with you.
p l e a s u r e n. 愉快；高兴
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。
翻译：他的确看起来气色很好。
He does look well.
你真把我给吓了一跳。
You did give me a fright.
2. Well, you do seem to have a point …
翻译：他昨天下午的确来这儿了。
一定要来我的生日聚会。
He did come here yesterday afternoon.
Do come to my birthday party.
have a point 有道理
我承认你有理。
I admit (that) you have a point.
我想你说的有道理。
I guess you have a point there.
奇怪的是，两个人似乎都有道理。
Strangely, both of them may have a point.
mention v. 提到；说到
翻译：今晚别提这个问题。
Don’t mention this problem this evening.
谁也没有提到这次会议的真正目的。
Nobody mentioned the real purpose of this
meeting.
3. … 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。
如：他从未向我提及他有个姐姐。
He never mentioned his sister to me.
② 若后接动词，要用动名词，不能用不定式
我一提起踢足球，他就说太忙。
Whenever I mention playing football, he says he’s
too busy.
③ not to mention意为“更不用说；还不算”
他会说法语、德语和日语，更不用说英语。
He can speak French, German and Japanese, not to
mention English.
④ 口语中说 Don’t mention it. 主要用来回答感谢。
如：
A：Thank you very much. 多谢你了。
B：Don’t mention it. 不客气。
1. —Thank you for taking me around your school,
Daming.
— _____
A. Don’t mention it. B. Never mind.
C. Of course not. D. No problem.
Exercise
单项选择。
2. —Sorry, Sir. I made a mistake again.
—_____. Practice more and you will do better.
　A. Never mind B. I’m not sure
C. You’re welcome D. Don’t mention it
1. That’s the most ________ (有用的) book.
2. It is said that Thomas Edison had 1,093
___________ (发明) during his lifetime.
根据句意和所给汉语提示，完成下列单词的拼写。
useful
inventions
3. —What is this kind of machine used for
—It’s used for _________ (听) to music.
4. If you _________ (加热) the ice, it will soon
become water.
5. Children also need time _________ (玩耍).
listening
heat
to play
1. The personal computer was invented in 1976.
(对划线部分提问)
______ ______the personal computer ________
2. The shoes with lights were invented by Julie
Thompson. (对划线部分提问)
_____ ______the shoes with lights _______ _____
When
was
invented
Who
were
invented
by
句型转换
3. Knives are used for cutting things. (对划线部分提问)
_______ _______ knives _______ _______
4. A Chinese named Cai Lun invented paper. (改为被
动语态)
Paper _____ _______ ___ a Chinese named Cai Lun.
What
are
used
for
was
invented
by

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