Unit 6 When was it invented SectionA 1a-2d课件＋音频(共37张PPT) 人教版九年级全册

(共37张PPT)
Unit6 When was it invented
SectionA (1a-2d) on P41
Jingkai Branch of Kunming
No.1 Middle School
Bella
1.热冰激凌勺
2.有特殊鞋跟的鞋子
3.靠电运行
4.鞋子的风格
5.带灯光的鞋子
6.提供冰激凌
7.被用来...
8.学校项目
8.school project
1.hot ice-cream scoop
2.shoes with special heels
3.run on electricity
4.the styles of shoes
5.shoes with lights
6.serve ice-cream
7.be used for
重点短语
9.改变世界的小发明
10.如此好的一个发明
11.很乐意
12.在我们日常生活中
13.有道理
14.不同发明的先锋
15.在那时
16.被广泛使用
17.变得流行
17.become popular
9.small inventions that changed the world
10.such a good invention
11.with pleasure
12.in our daily lives
13.have a point
14.pioneers of different inventions
15.at that time
16.widely used
重点短语
e.g. Edison, a great inventor, invented many great inventions during his life.
Do you know what it means
V. 发明
compass 指南针
gun powder 火药
printing 印刷术
Paper making 造纸术
Do you know what Chinese four great ancient inventions are
中国古代四大发明
Do you know what these modern inventions are
calculator 计算器
Which one do you think is the most helpful in our daily life
laptop
笔记本电脑
cellphone
watch
car
radio 收音机
bike
juicer
computer
Karl Benz
卡尔 奔驰
Alexander Bell
亚历山大 贝尔
J. L. Baird
贝尔德
John von neuman
约翰·冯·诺伊曼
Do you know who these inventors are What did they invent
Bell invented the first telephone in 1876.
The first telephone was invented (by Bell) in 1876.
改写句子：主动语态变成被动语态
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.
John von neuman invented the first computer in 1971.
The first computer was invented (by John von neuman) in 1971.
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.
A:I think …was invented before/after ...
B: Well, I think ...
1876
1885
1927
1971
d
a
c
b
Listen and match the inventions with the years.
1b
Alice: Was your life very _______ when you were a kid
Grandma: Oh, _________. Why
Alice: Well, you didn’t have modern inventions like __________, right
Grandma: Of course we did! How old do you think I am The telephone ___________ in 1876. 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 afford 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!
Listen again and fill in the blanks.
difficult
not really
a telephone
was invented
history
cars
1885
TV
expensive
1927
computer
1971
Watch and read，pay attention to passive voice (past tense).
1. The telephone was invented in 1876.
2. They weren't invented, weren't they
3. Cars were invented in 1855.
4. The TV was invented around 1972.
5. Personal computers were invented in 1971.
一般过去时的被动语态：
was/ were + 及物动词-ed形式
1、中国的张小龙发明了微信。
Zhang Xiaolong from China invented Wechat.(改为被动语态)
Wechat was invented by Zhang Xiaolong from China.
2、中国的马云发明了支付宝。
Ma Yun from China invented Alipay.(改为被动语态)
Alipay was invented by Ma Yun from China.
一般过去时的被动语态：was/ were + 及物动词-ed形式
3、人们经常坐高铁去旅行。
People take the China railway high- speed train to travel today.(改为被动语态)
The China railway high- speed train is taken to travel by people today.
年份的读法
1865 eighteen sixty five
1989
nineteen eighty nine
2000 two thousand
2001
two thousand and one
1900 eighteen hundred
1900
nineteen hundred
531 five hundred and thirty-one
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.
A: Who was it invented by
B: It was invented by Alexander Bell.
A: What is it used for
B: It is used for communication.
造句
the telephone
in 1876
A: When was the car invented
B: It was invented in 1885.
A: Who was it invented by
B: It was invented by Benz.
A: What is it used for
B: It is used for traveling.
A: When was the light bulb invented
B: It was invented in 1879.
A: Who was it invented by
B: It was invented by Edison.
A: What is it used for
B: It’s used for helping people see in the dark.
the light bulb
in 1879
the car
in 1885
A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really When ______ it _________
B: I think it ______ _________ in Han Dynasty.(汉朝)
A: What ______ it ______ for
B: Guess!
A: ______ it ______ for holding water
B: No. It _____ ______ for testing earthquakes.
A: Wow, it’s really amazing!
was
invented
was
invented
is
used
Is
used
is
used
Exercise 1
一、Fill in the blanks.
1. 电话是什么时候发明的？
When was the telephone invented
2. 汽车是谁发明的？
Who was the car invented by
3. ---电视机的发明早于电话吗？
---Was the TV invented before the telephone
---不是。电视机的发明晚于电话。
--- No, it wasn't.The TV was invented after the telephone.
二、Put the following into Chinese.
Exercise 2
Listen and number the inventions [1-3] in the order you hear them.
2a
3
1
2
带有...的鞋子
靠电力运行
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 below .
n. 样式; 款式
changing
in the dark
serving
2b
Pay attention to the structure “be used for” on P139
be used for doing sth.“被用来做某事”。
与be used to do sth. 同义。表用途、目的。
Fill in the blanks.
The first invention is ______________. People always hit their toes against something________________________ at night. So people can use them for ________________.
The second invention is a hot ice-cream ______. It __________________ and becomes hot. It___________ serving really cold ice-cream.
The last invention is shoes with special _____. People can move the heels_____________. You can raise the heels if you are going to a party or ______ them if you are just going out for shopping.
shoes with lights
on the way to the bathroom
seeing in the dark
scoop
runs on electricity
is used for
heels
up and down
lower
1.What’s this
2.Where can you see it
Zipper.
Pants/trousers
suitcase
backpacks
boots
3.Do you think it's a great invention
Yes, the zipper is often used in our .
日常生活
daily lives
Do you know
Read the passage quickly and answer the questions.
2d
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
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
Whitcomb Judson in 1893.
Around 1917.
Whitcomb L. Judson (1846 –1909) was an American machine salesman, mechanical engineer and inventor. He developed and invented the zipper in 1893.
Background knowledge
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: My 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 zipperson 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.
help sb. do sth. 帮助某人做某事
let/make/have sb. do sth. 让/使某人做某事
such+(a/an+adj.)+n.
so+adj./adv.
在我们的日常生活中
有道理
例如
在那时
系动词后接形容词
Listen and role play the conversation.
很乐意！
它提到...
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!
subject 主题
project 项目
invent v.发明 invention n.发明 inventor n.发明家
定语从句，修饰....的
1.-Can you help me
-With pleasure .很乐意 （别人提出请求）。
2. Thank you .
It is my pleasure. 不客气，帮助之后。
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.
宾语从句
表“强调”
sb. seem to do sth. 某人似乎做某事
sb. seem adj to do sth. 某人做某事似乎..
It seems that +句子 似乎....
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.
宾语从句
around= about大约
Match the phrases with the correct answers
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。
③ find强调找的结果，即“找到”，通常指偶然发现。
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”。
知识点
1. 靠电力运行
2. 被用来做……
3. 想出
4. 乐意效劳！
5. 如此伟大的一项发明
6. 在我们的日常生活
7. 有道理
8. 不同发明的先驱者
run on electricity
be used for ...
think of
With pleasure!
such a great invention
in our daily lives
have a point
the pioneers of different inventions
Ⅰ.根据句意及汉语提示完成句子。
1．I like the color of this coat but I don't like its ____(款式)．
2．It's my great ________(高兴) to have a talk with you.
3．The little inventions have helped me a lot in my ____(日常的) life.
4．Julia introduced a good _______(网站) to me to learn English.
5．My mother always _____(列清单) all things that she wants to buy before shopping.
style
pleasure
daily
website
lists
Exercise
Ⅱ.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 _______ _____
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
When was invented
Who was invened by
III.单项选择
( ) 1. The kind of cup is used _______ drinking.
A. to B. as C. by D. for
( ) 2. My mother and my sister kept on talking, but my father ________ silent all the time.
A. got B. remained C. turned D. looked
( )3.I think the short story ______by Lu Xun.
A. is writing B. to write C. written D. was written
( )4.—Who _____ the electric lightlamp_____ —Edison.
A. was; invented B. is; invented C. was; invented by D. did; invented by
D
B
D
C