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八年级上册
英 语
仁爱版
仁爱版 英语 九年级上册
Warming up—Pre-reading—While-reading—Post-reading—Exercises —Summary
Unit 4 Amazing Science
Topic 1 When was it invented
Section D
Warming up
What's a rocket used for
It is used for sending satellites or spaceships into space.
Where was it developed It was developed in Japan.
When was the digital camera deveioped
It was developed in the 1970s.
The radio was invented by Guglielmo Marconi in 1895.
What’s it used for
It’s used for listening to music.
What’s it made of
It’s made of plastic.
Where was it invented
It was invented in Korea.
When was it invented
It was invented in 1998.
What’s it used for
It’s used for communicating easily.
What’s it made of
It’s made of plastic and metal.
Where was it invented
It was invented in America.
When was it invented
It was invented in 1973.
learn new words
explorer n.探险者,勘探者 [ ks'pl r ]
Mark n.标示;记号v.做记号 [mɑ k]
system n.体系,方法,制度 [ s st m]
man-made adj.人造的;非天然的 ['m nme d]
用括号内所给单词的适当形式填空, 每空一词。
1. Zhang Qian was a great _________ (explore) in
ancient China.
2. Gulangyu was _________ (list) as a UNESCO
World Heritage Site(遗产) in 2017.
explorer
listed
3. They are going to _________ (design) the house
because it’s out of fashion.
4. I don’t want to _________ (courage) you,
but I don’t think it’s a good idea.
redesign
discourage
5. It’s necessary for us to make a _________ (detail) plan
before we start our work.
detailed
Pre-reading
What method did you use to find your lost cellphone
GPS is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. The early explorers used the stars as landmarks to know where they were and in which direction they were going. This method worked well at night as long as the weather was good. But it didn’t work so well during the rest of the time.
Let’s use the GPS.
n.探险者，
勘探者
1. How did the early explorers know where they were
They found out where they were by using stars.
2. What’s the disadvantage of using the stars as guiding marks
Its disadvantage is that it didn’t work well when the weather was bad and the stars could not be seen.
3. What is a GPS Is it useful to use
It is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. It is very useful.
4. What do you think the GPS will be used for in the future
…
Read the passage and discuss the questions on Page88.
Key words
explore
explorer, mark
find out, in…direction
work well, as long as
the rest of the time
solve, like, use, the shape of
great invention
n.标示，记号，符号
v.做记号，做标记
Retell it !
根据首字母提示，完成短文。
Thanks to GPS, we can exactly know w _____we are now. GPS is like a man-made “star”. It can be u____ in any place and any weather condition to find out our p________. In the past, the early explorers had to use stars in the s____ to tell them where they were, however, this method didn’t work well when the weather was bad. So GPS is a great invention that can help humans to better e________ our planets.
here
osition
sed
ky
xplore
Exercise
Grammar
Passive Voice (Ⅱ)
The radio was invented by Guglielmo Marconi
in 1895.
When was the digital camera developed
Where was it developed
What is a rocket used for
It was developed in the 1970s.
It was developed in Japan.
It is used for sending satellites or spaceships into space.
Functions
I wish I could go into space some day.
I hope your dream will come true.
It’s said that he invented more than two thousand things during his life.
Inventing is interesting and exciting and everyone can be an inventor.
Exercises
Passive voice was /were +done
( ) 1. A big market _____in our city last year.
A. is built B. were built C. was built
( ) 2.Could you tell me who the radio ____ by
A. invents B. invented C. was invented
( ) 3. Many trees and flowers _____ in our school last
They made our school more beautiful.
A. have planted B. were planted C. planted
( ) 4.The children ____ swim last summer and they can swim
very well now.
A. are taught B. were taught C. were taught to
( ) 5.It is said that potato chips _____by mistake about one
hundred years ago.
A. were invented B. invented C. are invented
C
B
C
A
C
Grammar exercise
1. The old lady was taken to hospital by the police in time. (改为主动语态)
The police ___________ the old lady ____ _______ in time.
2. He invited me to his 16th birthday party. (改为被动语态)
I _____ _______ to his 16th birthday party.
took to hospital
was invited
根据括号内的要求完成下列句子, 每空一词。
3. The old houses in this area were built in the 1920s. (对画线部分提问)
_______ _______ the old houses in this area _________
4. The lift was invented by an American. (对画线部分提问)
_____________ _______ the lift invented _______
When were built
Who/Whom was by
5. The machine is used for making shoes. (对画线部分提问)
_______ _______ the machine used _______
What is for
看图写话。
1. because, lose
The boy/He is crying because he lost his way.
2. invent, by chance
Potato chips were invented by chance.
1.You are late, all the tickets __________(sell) out an hour ago.
2.This type of cellphone ____________(make )in Shenzhen.
3. I _________________ ( not invite) to yesterday’s party.
4. ________ those machines __________(check) this morning
5. Many trees and flowers ______________(plant) in our school last year, and they made our school a beautiful garden.
were sold
were made
were/was　+　v.的过去分词
Exercises
wasn’t invited
Were
checked
were planted
1.People use radios to learn English in the past.
_____________________________________________
2.Jim will show me the picture.
______________________________________________
3.They have raised much money for the Project Hope.
______________________________________________
4.I often see Kate dance to music at home.
_______________________________________________
5.We mustn’t throw litter about.
________________________________________________
6.People can visit planets like Mars.
_________________________________________________
dance
Radios were used to learn English in the past.
The picture will be shown to me.
Much money has been raised for the Project Hope.
Kate is often seen to dance to music at home.
Litter mustn’t be thrown about.
Planets like Mars can be visited.
Change the following sentences into Passive Voice.
Project (1)
This is Kangkang’s invention.
Look at the information and the picture.
What do you think of it
Discuss with your partners.
Name: Plar (plan-car)
Inventor: Kangkang
Year: 2014
Use: Both flying and driving
2. Design your own invention. Draw a picture of it and write down the information about it.
Name :____________
Inventor:___________
Year:_____________
Use:______________
Project （2）
Describing Your Invention
3. Show the picture of your invention and describe it to the class.
4. Discuss in groups to decide which is the most useful /interesting/funny invention.
Summary
We Learn: 1. Some words : mark, explorer
2. Some phrases: find out, in …, direction,
as long as, work well, the rest of the time,
be used to, the shape of
3. Some sentences:
This method worked well at night as long
as the weather was good and the stars could be seen.
We can: 1. Use the passive voice of the simple past tense more
properly.
2.Talk about new technology GPS.
3. Develope our imagination and creativity by
designing our own inventions.
Homework
Read 1a.
Memorize the useful expressions and key sentences that we learn in this topic.
Finish Section D in your workbook.
Preview Section A of Topic 2.
Thanks!

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