Unit 4 Topic1 When was it invented.SectionC课件（28张，含音频）

Unit 4 Topic 1 When was it invented?
Section C
Part 1 Review
Make dialogs with you partner.
{5940675A-B579-460E-94D1-54222C63F5DA}Invention
Inventor
Year
car
Karl Benz
1885
telephone
Alexander Graham
Bell
1876
TV
John Baird
1926
E.g: A: When was the car invented?
B: It was invented in 1885.
A: Who was the car invented by?
B: It was invented by Karl Benz.
Part 2 Lead- in
['r?k?t]
[?n'ven?(?)n]
[l?st]
[θ??t]
['s?li]
['bre?nst??m]
[?'v?ljue?t]
['di?te?ld]
[?ri?d?'za?n]
[??m?d??'ne?n]
[b?'lu?n]
[ɡ?n]
['r??b?t]
['ki?b??rd]
Read the following words aloud and try to spell them
invention 发明 n.
list 列清单 v. 名单 n.
crayon 彩色铅笔、蜡笔 n.
thought 想法 n.
silly 愚蠢的 adj.
brainstorm 集思广益，动脑筋 v.
evaluate 估价 v.
redesign 重新设计 v.
detailed 详细的 adj.
imagination 想象力 n.
balloon 气球 n.
gun 枪 n.
robot 机器人 n.
keyboard 键盘 n.
Read the following new words
Part 3 Pre-reading
invention
An invention may be a new product
or a new way of doing things.
Task 1
brainstorm
list
List the inventions you know ,
as many as possible
In your opinion,which is the most useful and the least useful invention？
Tell us your reasons.
Task 2
Part 4 while-reading
Task 1
Go through the the text ,and find out the structure of the text.
The text can be divided into _______________parts.
Para 1
Para 2
Pare 3
Para 4
Para 5
Para 6
Para 7
Para 8
Part I
Part II
General ideas about inventions
The steps of inventing process
two
Read Para 1,and Think

1.What is an invention?
2.How do the inventions come about ?
3.What does the writer think about the inventing?
4.What 's the function (作用）of
Do you want to be an inventor? There are a few steps to follow in
the invention process.
Task 2
An invention may be a new product or a new way of doing things
Most of the time ,they happen because someone works to solve a problem.
sometimes they are the result of accidents.
Inventing is interesting and exciting and everyone can be an inventor.
Transitional sentence (过渡句）.It connects the two parts naturally.
Read Para 2-Para 8,and find out the key words of each paragraph.
Task 3
Para 2
Para 3
Para 4
Para 5
Para 6
Para 7
Para 8
thought
drawing
model
test
plan
name
share
A. Draw your invention. B. Name your invention.
C. Test your invention. D. Use your imagination.
E. Plan and design your invention.
D E A C B
1b .check your answer
Task 4
Take these notes
1.come about
出现
happen
2.in many ways
以多种方式
on the way /in the way/ by the way
3.the result of accidents
by accident
偶然的产物
4.be made in
在……制造
be made by /into
6.brainstorm for ideas
5.laugh at
7. make a detailed drawing
8.Others will understand how your invention works
你的发明是如何运作的
9.See if your invention works as it is planned.
as 和……一样 ，if 是否
10.If not
If 如果 If so ,如果这样
11.Share… with
与……分享
多想主意
画幅详细的草图
嘲笑
1c Read 1a again and fill in the blanks.
When you want to have an invention , first you must use your
________. Then you should plan and design it. Careful planning
is very _________ in the invention. Third, you should make
a _______ drawing of your invention and make a model of it.
If you want to make your invention more successful,
you must ______ it again and again. After that, you _______
your invention. Last, remember that you should _______
your invention with others.
imagination
important
detailed
test
name
share
Task 5
Part 5 Post-reading
Main structure of a composition
If you are required to add an ending to this passage,
what are your ideas?
All in all,
Generally speaking,
In a word ,
Above all ,
Believe it or not ,
As we all know,
In my opinion,
Personally,
The following expressions may help you:
All in all ,inventions play such an important part in
humans' history ,and most of them have changed our life
for better .We should pay great respect to all those
hard -working inventors ,and meanwhile, we are looking
forward to more useful inventions .
One possible version:
Part 6 Exercise
( )1.Our teacher says that the classroom must _____________ every day.
A.clean B. be cleaned C.will clean
( )2.Many teenagers _________the old and they often offer the seats to them on the bus.
A. play with B. laugh at C. care for
( )3.China takes the leading position _____ space industry.
A.in B. at C. of
( )4.This sign is used ________tourists to stay away from the lions in the zoo.
A. to warn B. to warning C. to ask
( )5.Maria has _____ difficulty _____ math, so she often asks her math teacher for help.
A. much, understanding B. no, with C. many, understanding D. not, to understand
√
√
√
√
√
1、你妈妈昨晚不允许你看电视，你可以这样跟你朋友说:
2、你在朋友家看到一张奇怪的桌子，你很好奇它的原料，
你可以这样问朋友:
3、你看到好几个同学都拿着一张海报（poster）,你不知道他们拿海报干嘛，
你可以这么问:
4、你忘记了灯泡何时发明的，你可以这样问朋友:
5、现在手机被设计出来不仅为了通话，而且也可以娱乐。
你可以这样跟你奶奶介绍:
My mother didn't allow me to watch TV last night.
I wasn't allowed to watch TV by my mother last night.
What’s the table made of?
What's the poster used for?
When was the light bulb invented?
The cellphone was invented not only for communincating but also for having fun.
Part 7 Summary
1.Words .
2.Phrases and sentences
3.Steps of inventing process.
4.Structures of writing
We 've learned today:
Part 8 Homework
图示
Review the steps of inventing processes.
Write a passage in 3
Preview Section D
Thank you