(共32张PPT)
Unit 6
When was it invented
Section A (1a-2d)
初中英语 人教版 九年级上册
New words: heel, style, project, pleasure, daily,
website, pioneer, list, mention,
New phrases: think of，with pleasure，have a point
Grammar： ★ Practice passive voice in the past tense in listening and speaking. Learn when to use passive voice.
S＋was/were＋past participle＋…
eg：The telephone was invented in 1876.
Learning Goals
New sentences: 1.—When was the telephone invented
— I think it was invented in 1876.
2.—What are they used for
—They are used for…
3. —What is it/are they used for
—It's/They're used for…
Learning Goals
Warming up
Do you know these Great Inventions and their Inventors
Lead-in
Chinese ancient inventions.
Invention Papermaking.
made by Cai Lun
Lead-in
Chinese ancient inventions.
Invention Movable-type Printing
made by Bi Sheng
Lead-in
Chinese ancient inventions.
Invention Compass
made by
Lead-in
Chinese ancient inventions.
Invention Gunpower
made by alchemists
(accidental意外的)
Discuss
In what order do you think they were invented
Look at the things below. In what order do you think they were invented Then number them[1-4](1=first,4=last).
telephone
1a
Discuss
computer
car
TV=television
Look at the things below. In what order do you think they were invented Then number them[1-4](1=first,4=last).
1
2
3
4
1a
Check
Listen and match the inventions with the years.
d
1876
1885
1927
1971
a
c
b
d
1b
When was the
...invented
Listen & Match
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented.
When was the telephone invented
I think it was invented in 1876.
1c
Memory Game
When was the car invented
It was invented in 1885.
When was the TV invented
It was invented in 1927.
Memory Game
When was the computer invented
It was invented in 1971.
Memory Game
Listen and number the inventions[1-3] in the order you hear them.
1
2
2a
Listen & Number
Listen and number the inventions[1-3] in the order you hear them.
2a
3
1
2
Check
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
2b
Listen
What are the shoes with lights used for
They’re used for seeing in the dark.
2c
Pair work
What are hot ice-cream scoops used for
They’re used for serving really cold ice-cream.
What are shoes with special heels used for
They’re used for changing the style of the shoes.
Pair work
Read the passage quickly and answer the questions.
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.
2d
Role play
3. Why does Roy think it is a great inven-
tion
4. When was the zipper invented
5. When did the zipper become popular
Because it is often used in our daily lives.
It was invented in 1893.
Around 1917.
Role play
1. Well, you do seem to have a point…
have a point 有道理
e.g. I admit (that) you have a point.
我承认你有理。
Language Points
2. They are used for seeing in the dark.
be used for doing sth. 表示“被用来做某事”。 = be used to do sth. 表示用途、目的。
e.g. This computer is used to control all the
machines.
这台电脑是用来控制所有机器的。
Do you know what this tool is used for
你知道这个工具是用来做什么的吗
Language Points
3. Think about how often it’s used in our
daily lives.
think about 表示“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. 她正在回想她的童年时期。
Language Points
【拓展】有关think的短语
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
I.用所给单词的正确形式填空。
When the telephone (invent)
The computer can us do math problems (help).
invented
was
help
Exercises
Exercises
II.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. kept
C. turned D. looked
D
B
Exercises
( )3.I think the short story ______by Lu
Xun.
A. is writing B. is written
C. written D. was written
( )4.—Who _____ the electric light
lamp_____ —Edison.
A. was; invented B. is; invented
C. was; invented by
D. did; invented by
D
C
Exercises
★Used the Passive Voice to talk about the history of some inventions.
1.—When was the telephone invented
— I think it was invented in 1876.
2.—What are they used for
—They are used for…
3. —What is it/are they used for
—It's/They're used for…
Summary
Homework
Preview the passage in 3a.
Look for some information about some famous inventions.
Thank you
