【培优课堂】U6-Period 1 SectionA 1a-2d (课件)人教九年级Unit6 When was it invented

(共15张PPT)
Unit 6
When was it invented
(Section A 1a-2d)
Language goal: Talk about history of intentions
Do you know what these inventions are
a telephone
a TV
a car
a computer
Lead in
was
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4]
P41.
I think the telephone was invented before the TV.
I think the car was invented after the telephone.
1a
Listen and match the inventions with the years.
___ 1876
___ 1885
___ 1927
___ 1971
d
a
c
b
1b
Interaction
p139
The ... was invented before/after the ....
telephone
TV
car
computer
Listen and number the inventions [1-3] in the order
you hear them.
1
2
3
2a
Interaction
p139
通过电运作
seeing _________
serving
________ the style of the shoes
Listen again and complete the chart. P42
changing
in the dark
What is it / are they used for
Invention
shoes with lights
hot ice-cream scoop
shoes with special heels
many styles of shoes
n. 勺子； v. 舀
2b
Interaction
p139
_______ really cold ice-cream
Interaction
2c
A: When was the telephone invented
B: I think it was invented in 1876.
A: What is it used for
B: It is used for talking to the people who are far away.
1927
1927
1885
1903
Pair work
a computer
a car
a TV
a washing machine
a plane
1885
They are usually made of cloth and metal.
They are used for locking things
on our clothes and bags.
Lead in
Guess what they are!
They were invented in 1893.
zippers
Read the conversation between Paul and Roy, then answer the following questions.
1. What is Paul's subject for his school project
2. What invention did Roy think of
3. Who was it invented by
When was it invented
Small inventions that changed the world.
He thought of the zipper.
It was invented by Whitcomb Judson in 1893.
2d
Interaction
Find out the expressions.
the subject for my school project
think of
with pleasure
such a great invention
in our daily lives
do seem to have a point
the pioneers of different inventions
我校项目的课题
想出，想起
乐意效劳
一个如此伟大的发明
在我们的日常生活中
确实好像有道理
不同发明的创始者
Interaction
zippers
2d
Interaction
Paul: Hey Roy, the subject for my school is “small inventions that
changed the world”. Can you help me think of an invention
Roy: ____________. Let me think…hmm I know! The zipper!
Paul: The zipper Is it really_________________
Roy: Think about ____________________________. You can see
zippers on dresses, trousers, shoes, bags… almost everywhere!
Paul: Well, ______________________...
Roy: Of course! I thought about it because I saw a website last week.
__________________________________________. For
example, it mentioned that the zipper was invented by Whitcomb
Judson in1893. But at that time, it wasn’t used widely.
Paul: Really ___________________________
Roy: Around 1927.
With pleasure
such a great invention
how often it’s used in our daily lives
you do seem to have a point
The pioneers of different inventions were listed there
So when did it become popular
1. ---Thank you very much ---My pleasure. （不用谢。）
2. I spent a pleasant trip last month.
3. We felt pleased when we heard the pleasant news.
adj. （感到）愉快的，满意的（主语通常是人）
pleasure
n. 高兴，愉快 （不可数）
pleasant
adj. 令人愉快的（主语通常是物）
pleased
Check your momory.
1. They sold the fridge at a low price.
The fridge was sold at a low price.
2. Somebody stole my camera from my hotel room.
My camera was stolen from my hotel room.
3. Where did you take these photos
4. Our parents advised us not to go out alone.
5. Different writers translated the book into different languages.
Where were these photos taken
We were advised not to go out alone.
The book was translated into different languages by different writers.
Rewrite the sentences using the passive voice.
4a
Feedback
低价销售...
建议某人不要做某事
translate...into 把……翻译成……
1. You ____________ to the party last night, weren’t you
Why didn’t you go
2. The earthquake happened all of a sudden, but luckily the villagers
__________ to a safe place.
3.The door ________ when we arrived, so we____ the bell.
were invited
were brought
Complete the sentences with correct forms of the verbs in the box.
eat, like, invite, tell, lock, ring, break, bring
was locked
rang
4. The students _________ not to eat or drink in class, but Ruby ______ the rule when she started eating a biscuit in science class.
5. The cookies __________ by the hungry kids in less than 20 minutes, and they really _____ them.
broke
were told
were eaten
liked
4b
突然
The telephone ______________ (invent) by Alexander Graham Bell. He __________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell _________ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone _____________ (invent) in 1876. The first sentence that _________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ________ (use) around the world.
was born
was invented
worked
Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.
learned
was invented
was said
is used
4c
Review
run on electricity
the subject for my school project
with pleasure
such a great invention
in our daily lives
do seem to have a point
the pioneers of different inventions
sell at a low price
advise sb. not to do
translate … into …
all of a sudden
通过电运作
我校项目的课题
乐意效劳
一个如此伟大的发明
在我们的日常生活中
确实好像有道理
不同发明的创始者
以一个低价销售...
建议某人做某事
把……翻译成……
突然
一般过去式的被动语态
Key points
Summary