Unit 6 When was it invented？第六课时 Section B（3a~Self Check）课件(共16张PPT)

(共16张PPT)
Unit 6
When was it invented
第六课时 Section B（3a~Self Check）
Look at the shirt.
It's made of cotton.
Look at the ring.
It's made in Japan.
Look at the zipper.
When was it invented
When was it invented
In 1893. In 1893.
Who invented the zipper
Who invented the zipper
By Whitcomb Judson.
By Whitcomb Judson.
Chant
Pre-writing
3a
Think of something that you do not like to do. Then think of an invention that could help you. Make notes.
Problem: quickly taking notes in class
New invention: a special pen
What it is used for:
What is your problem
Emm, I have to take notes quickly in class, but I can follow the teachers most of the time.
Exchange your chart with your partner and discuss it.
So what do you want to invent
…
3b
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
Try to tell us the following information:
What is it made of
What is it used for
What does it look like
Where or when can it be used
How much will it cost
3b
This special pen was invented by Liu Jie. It has three colors and is used for_________________________________________________________ _________________________________________________________________
_________________________________________________________________
_________________________________________________________________.
Write it like this:
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
Sample writing:
This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down. The pen comes with a microchip that can store a list of common words that you will use. You can program the words you will use often into the microchip’s memory, then assign a short form to each word. when you are writing, you just need to write the short forms with the pen, press a button on the pen and all the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to.
While-writing
Complete the passage with the correct forms of the words in the box.
invent　doubt　mention　website all of a sudden
It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ________ things which are almost the
invent
This is because... 这是因为……
系动词之后是表语，表语是由一个句子充 当的，即称为表语从句，连接表语从句的词有：because，why，that，what，who， when，where，which，whether，how等。
Self Check 1
same. It’s hard to tell who came up with the idea first.
Some inventions can also lead to other inventions ____________.So some people ________ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or ________ usually ________ more than one inventor when giving information about inventions.
all of a sudden
doubt
websites
mention
Self Check 1
Rewrite these sentences using the passive voice.
1．Someone stole my watch.
_______________________________________
2．They used five eggs to make this big cake.
____________________________________________
3．When did they invent the personal computer
_____________________________________________
My watch was stolen by someone.
Five eggs were used to make this big cake by them.
When was the personal computer invented by them
Self Check 2
4．They asked us not to run in the hallway.
_______________________________________________
5．Someone took the video back to the store.
_______________________________________________
We were asked not to run in the hallway by them.
The video was taken back to the store by someone.
Self Check 2
Rewrite these sentences using the passive voice.
Find out information about an invention you would like to know more about and write sentences below.
Invention：_______________________________
When：_________________________________
Who：___________________________________
Purpose：________________________________
Bell
Telephone
1876
To communicate with others
Self Check 3
3
4
1
2
5
who
when
how
...was/were invented by...
...invented ...
in+ 年份
on+月，日，年
at the same time although
because....in order to...
There be... color, shape, size
what
why
invention
How to introduce an invention
Summary
Basketball is a much loved and active sport that is _______ by many people for exercise and _______. It is played by more than 100 million people. In 1936 in Berlin，basketball became an event at the Olympics.
Basketball was__________ by a Canadian doctor. When he was a college teacher，he________a game to be played indoors. Players need to be________ into two teams.
根据句意选择恰当的词并用其适当形式填空。
enjoyed
pleasure
invented
created
divided
Exercises
pleasant, invent, achieve, create, popular, look up to, not only, hero, divide, enjoy
Players on the same team must work together to get the ball in the other team’s basket. At the same time，they need to stop the competing team from getting the ball into their own basket.
Now, the__________ of basketball has risen. Basketball has __________become a sport to play，but it has also become a sport to watch. There are more and more foreign players in the NBA and the CBA. Many young people dream of becoming famous players. Some even___________ those basketball players. They regard them as _______. Those basketball stars encourage young people to work hard to________ their dreams.
popularity
not only
look up to
heroes
achieve
Homework
1. Write an article about the greatest invention in your mind in no less than 60 words.
2. Preview Unit 7 Section A (1a-2d).