(共55张PPT)
Unit 6 When was it invented
人教版九年级全册
Section A (1a-2d)
Learning objectives
Key words & phrases:
history, invent, invention, heel, scoop, electricity, style, project, pleasure, zipper, daily, have a point, website, pioneer, list, mention
Key sentences:
1. I think the TV was invented before the car.
2. What is it / are they used for
3. It’s used for serving really cold ice-cream.
Students can talk about when an object was invented.
Students can talk about what an invention is used for.
Let's enioy a video !
Four ancient Chinese inventions:
What is it
paper-making
Who was it invented by
Cai Lun
When was it invented
It was invented in 105 A. D.
/ n ven n/n.发明物；创造物
/ n vent/v.发明；创造
Four ancient Chinese inventions:
What is it
printing
Who was it invented by
Bi Sheng
When was it invented
It was invented in the 9th century.
Four ancient Chinese inventions:
What is it
compass
When was it invented
What is it used for
It was invented in the 11th Century.
It is used for telling people directions.
Four ancient Chinese inventions:
What is it
gunpowder
When was it invented
What is it used for
It was invented in the 9th Century.
It is used for wars.
Inventions change people’s lives!
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 = first, 4 = last)
Bell invented the first telephone in 1876.
The first telephone was invented (by Bell) in 1876.
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
Baird invented the first TV in 1927.
The first TV was invented (by Baird) in 1927.
The first personal computers was invented in 1971.
John von Neuman invented the first computer.
1b
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____ 1927
_____ 1971
a
b
c
d
d
a
c
b
年份怎么念？
两个数字一组，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，按数字读
531
two thousand
2001
two thousand and one
nineteen eighty nine
nineteen hundred
2
千年
年份读法
five hundred and thirty-one
1865 eighteen sixty five
1989
two thousand
2001
1. What didn’t grammar have when she was a kid
A. Telephones. B. Cars. C. TVs.
2. Why didn’t grammar have a personal computer when she was a kid
A. Because it was expensive.
B. Because it wasn’t invented then.
C. Because her parents didn’t buy one.
Listen again and choose the right answers:
Alice: Was your life very difficult you were a kid
Grandma: Oh, not really. Why
Alice: Well, you didn’t have modern inventions a telephone, right
Grandma: Of course we did! How old do you think I am The telephone was in
1876. You need a history class, Alice!
Alice: Haha! How about They weren’t invented yet, they
Grandma: Yes, they were. Cars were invented in 1885. My family had car.
Alice: Well, did you have a TV
Grandma: No, we couldn’t one. They were expensive in those days. The TV was
invented 1927, I think.
Alice: Well, I know that you didn’t have a computer because we learned in school that
personal computers were invented in 1976.
Grandma: You’re right. I have one now!
invent be a when like around take car but afford
when
like
invented
to take
were
cars
a
afford
around
But
like 比如 = such as
=What about
反义疑问句
around = about = or so 大约
afford sth. 买得起 can’t afford sth. 买不起
上一节历史课
被发明
还(否定句)
困难的
私人的
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.
Look at the picture and answer the questions.
1. What can you see on the table
2. What is the boy doing
3. What is the girl doing
4. What is the scoop used for
5. What are the shoes used for
2a
Listen and number the inventions [1-3] in the order you hear them.
3
1
2
2b
Listen again and complete the chart.
changing
in the dark
serving
What are they
used for
They are used
for …
2c
Make conversations using the information in 2b.
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.
Now work in pairs and make conversations using the things
around you.
For example:
A: What is a pen used for
B: It is used for writing.
用句型
A: What is/are... used for
B: It/They is/are used for...
What’s this
Where can you see it
pants
trousers
bag
backpack
dress
shoes
suitcase
pencil case
zipper n. 拉链；拉锁
Read the conversation of 2d on Page 42 and try to
answer the questions.
1. Who invented the zipper
2. When was the zipper invented
3. When was it first used widely
Whitcomb Judson invented the zipper.
It was invented in 1893.
It became popular around 1917.
2d
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.
n. 项目；工程
很乐意
adj. 每日的；日常的
有道理
n. 网站
它提到……
so great an invention
想起，认为
拉链
几乎
似乎
think about 思考
先驱
列清单
在那时
① I think the TV was invented before the car.（教材P41）
invent v. “发明”，指经过认识和实践创造出前所未有的事物。
invention和inventor都是名词， 前者意为“发明”，后者意为“发明家”。
e.g. Edison invented the light bulb.
爱迪生发明了电灯泡。
Language points
1. The boy is so clever, we all believe he will be an __________in the future.
2. There are many great ________________ in human history.
3. Edison ____________ many useful things in his life.
4. He is good at _____________ funny things for little kids.
inventor
inventions
invented
inventing
用invent的适当形式填空：
be invented by+sb 被某人发明
be invented in+时间或地点 发明与何时或何地
把下例句句子中的汉语部分译成英语：
1. Cars __________________ 1885. (被发明于)
2. These mini-cars ________________ Shanghai, China. (被发明于)
3. The lights _________________ Edison.(被......发明)
were invented in
are invented in
were invented by
辨析：discover, invent和find
e.g. The lost bike was discovered at the bus stop.
丢了的自行车发现在公共汽车站那儿。
Later I discovered that he was so kind.
后来我发现他如此善良。
Do you know who invented the computer
你知道谁发明的电脑吗？
I found some old photos in that drawer.
我在那个抽屉里发现了一些旧照片。
② What are they used for （教材P42）
be used for sth. / doing sth. 意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于be used to do sth.
e.g. Clothes are used for keeping (= to keep) warm.
衣服被用来保暖。
Wood can be used for building (= to build) houses.
木材可以被用来建造房屋。
辨析：be used for, be used by和be used as
1. The cars are used for _____________ .(驾驶)
2. A knife is used to ___________ things. (切)
3.English is used _____a foreign language in China.
4. Rubbers are often used _______ students to correct mistakes.
drivinging
cut
as
by
style在此处作可数名词。in style 流行的，out of style 过时的
eg: The style of this dress is different from hers.
这条裙子的款式和她的不一样。
Her clothes are always in style.
她的衣服总是很时髦。
This song was written 20 years ago, but it is not out of style.
这首歌是20年前写的，但现在并不过时。
③ changing the style of the shoes（教材P42 2b）
④ — Can you help me think of an invention
— My pleasure! （教材P42）
My pleasure也可说成It’s a / my pleasure.或 A pleasure.意思是
“我的荣幸；愿为你效劳；这是件愉快的事”。
e.g. — Will you please help me take the books to the classroom
请你帮我把这些书带到教室里去好吗？
— My pleasure. / It’s a pleasure.
愿意为你效劳。
pleasure n. “高兴；愉快”。常用短语 :
My pleasure. / With pleasure. / It’s a pleasure.
pleased adj. “高兴的”，短语 be pleased to do sth.“乐于做某事”；
be pleased with “对……满意”，句子的主语通常为人
pleasant adj.“令人愉快的”，可作定语、表语，修饰物
辨析：pleasure, pieased和pleasant
根据句意，选择pleasure、pleased、pleasant完成句子。
1.跟你在一起带给我很多的乐趣。
2.这是一个令人愉快的假期。
3.见到你我很高兴。
I’m _____________ to see you.
It gives me much _____________ to be with you.
It’s a __________________ vacation.
pleasure
pleasant
pleased
⑤Well, you do seem to have a point … （教材P42）
1. 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。
e.g. Do Stay for supper! 一定要留下吃晚饭!
He did come here yesterday. 他昨天的确来这儿了。
Do come to my birthday party. 一定要来我的生日聚会。
2. have a point 有道理
e.g. I guess you have a point there. 我想你说的有道理。
Strangely, both of them may have a point.
奇怪的是, 两个人似乎都有道理。
⑥ For example, it mentioned that the zipper was invented
by Whitcomb Judson in 1893. （教材P42）
mention表示“提到；提及”，是及物动词，
常见用法有：mention sb. /sth.提到某人/某事物；
mention sth. to sb.向某人提起某事/某物；
mention +从句 提到……；如：
Don’t mention this problem this evening. 今晚别提这个问题。
He never mentioned his new friend to me.他从未向我提及他的新朋友。
Did she mention where she was going 她提到她要去哪里了吗？
2. 若后接动词，要用动名词，不能用不定式。
e.g. Whenever I mention playing football, he says he’ s too busy.
我一提起踢足球，他就说太忙。
3. not to mention意为“更不用说；还不算”。
e.g. He can speak French, German and Japanese, not to mention
English.
他会说法语、德语和日语，更不用说英语。
4. 口语中说Don’ t mention it. 主要用来回答感谢，有时也用来回答道歉。如：
e.g. A: Thank you very much. 非常感谢。
B: Don’ t mention it. 不客气。
A: I’ m sorry to have troubled you. 不好意思打扰你了。
B: Don’ t mention it. 没关系。
根据句意和所给汉语提示填写恰当的单词。
1. Edison _________ the electric lamp.
2. I lost my necklace last night. I haven’t ________ it.
3. Who ___________ America first
4. The telephone _______________ in 1876.
invented
found
discovered
was invented
Exercises
5. That book will be _________ (有用的) to you.
6. It is said that Thomas Edison had 1,093___________ (发明) during his lifetime.
7. — What is this kind of machine used for
— It’s used for _________ (看) movies at home.
8. You should _______ (加热) the food, dont’ eat anything cold.
9. Small children also need much time _________ (玩耍) every day.
useful
inventions
watching
heat
to play
用所给单词的适当形式填空。
1. What ______ the scoop ______(use) for
2. It's used for ________(serve) really cold ice-cream.
3. I like books ________(write) by Lu Xun.
4. The car ______ ________(invent) in 1885.
5. Do you have shoes with ________(special) heels
is used
serving
written
was invented
special
1. —I have difficulty learning English well. Could you help me
— ________.
A. It’s my pleasure B. With pleasure C. No, I couldn’t
2.—Would you please come to the dancing party with me tonight
— _____. I suppose we shall have a wonderful night!
A. Never mind B. Have a good time
C. Not exactly D. With pleasure
单选题。
3. The lovely cup is used _______ drinking______him.
A. to; as B. as; for C. by; for D. for; by
4.I think the short story ______by Lu Xun.
A. is writing B. is written
C. written D. was written
5.—Who _____ the electric light lamp_____ —Edison.
A. was; invented B. is; invented
C. was; invented by D. did; invented by
D
B
句型转换
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 __________ ____
A Chinese named Cai Lun invented paper. (改为被动语态)
Paper _______ ________ _______ a Chinese named Cai Lun.
When
was
invented
Who
were
invented
by
was invented by
把下列句子改写成一般过去时态的被动语态。
1. The lovely cup is used for drinking by him.
____________________________________________
2.I think the short story is written by Lu Xun.
____________________________________________
3. Who is the electric light lamp invented by
____________________________________________
4. When is the telephone invented
____________________________________________
The lovely cup was used for drinking by him.
I think the short story was written by Lu Xun.
Who was the eletric light lamp invented by
When was the telephone invented
Homework
1.Remember the words and phrases of this class.
2. Do the exercises in students’ book.
谢谢
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