invent inventor invention calculator be used for scoop adjustable v. 发明;创造 发明家...
TRANSCRIPT
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invent
inventor
invention
calculator
be used for
scoop
adjustable
v. 发明;创造发明家发明n.计算器用来做……v. 用勺舀 adj. 可调整的
Words and expressions
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heel
battery
operate
battery-operated
slipper
heat
heated
n. (鞋、袜等的)后跟,足跟n. 电池v. 操作;作业电池供电的n. 拖鞋v. 加热;使变热可加热的
Words and expressions
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What are the Four Great Inventions
in ancient China?
Do you know?
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paper-making 造纸术
compass 指南针
printing 印刷术
gunpowder 火 药
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car
What’s this called in English?
television telephone
computercalculator
microwave oven
light bulbbattery
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Look at the things. In what order do you think they were invented?
A: I think the calculator was invented before the computer.
B: Well, I think the calculator was invented after the computer.
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A: I think the calculator was invented before the computer.B: well, I think the calculator was invented after the computer.
Talk about with your partner.
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Edison invented the light bulb.
The light bulb was invented by Edison.
Who was the light bulb invented by ?
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The telephone _____________by Bell.The telephone _____________by Bell.was invented
Bell invented the telephone.
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_______was invented by _________._______was invented by _________.
Karl Benz invented the car.
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A: What is the car used for?B: The car is used for traveling.
be used for 被用做于……
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A: What is the _______
used for?
B: I think it is used for
__________________.
A: What is the _______
used for?
B: I think it is used for
__________________.
talking with people
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When was the calculator invented?
What is it used for?
It is used for counting.
(1971)
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What are they used for?
They are used for giving light.
light bulbslight bulbs
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Inventions When was it invented?
Who was it invented by
What is it used for?
1976 two Americans
Getting information from the world
1876 Bell talking with people
1879 Edison Giving us light
Ask and answer in pairs.
computer
light bulb
telephone
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A: When was …invented?B: It was invented in…A: Who was it invented by?B: It was invented by…A: What is the … used for?B: The … is used for doing…
1924Beld
1976 two Americans
1885Carl Benz
1876Bell
1879Edison
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Sample dialogues:
A: When was the telephone invented?
B: I think it was invented in 1876.
A: When was the car invented?
B: I think it was invented in 1885. I
think it was invented after the
telephone.
Sample dialogues:
A: When was the telephone invented?
B: I think it was invented in 1876.
A: When was the car invented?
B: I think it was invented in 1885. I
think it was invented after the
telephone.
PairworkPairwork1c
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It’s used for scooping really cold ice cream.【经典习题】完成句子:邮票是用来发送信件的。Stamps are ____ ___ ______ letters.【要点点拨】 be used for doing sth. 表示“被用于干某事”,意思与 be used to do sth. 相同。如: The camera is used for taking photos. = The camera is used to take photos.
used for sending
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【拓展延伸】◆be used as sth. 表示“被用作某物”。如:English is used as the second language in many countries. ◆be used by sb. 表示“被某人使用”,后接动作的执行者。如: These textbooks are used by students. ◆be / get used to do sth. 表示“习惯于做某事”。如: She is used to running every morning. ◆used to do sth. 表示“过去常常做某事”。如: Miss Li used to dance after work.
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1. The names of some inventions.
2. 句型① When was...invented?
It was invented in ...
I think... was invented before / after ...
② Who was it / were they invented by?
It was / They were invented by ...
③ What is it / are they used for?
It is / They are used for ...
课时重点回顾
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2.The telephone was invented by Bell.
对划线部分提问:
1.The computer was invented in 1976.
______ was the telephone invented ?
____ was the telephone invented ___?
3.Light bulbs are used for giving us light.
______ ___ light bulbs used for?
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2.The telephone was invented by Bell.
对划线部分提问:1.The telephone was invented in 1876.
______ was the telephone invented ?
____ was the telephone invented ___?
When
Who by
3.Light bulbs are used for giving us light.
______ ___ light bulbs used for? What are
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把下列句子改为被动语态。1. They made these computers in Shenzhen.
These computers ____ _____ in
Shenzhen.
2. She bought a new bike yesterday.
A new bike ____ ______ by her
yesterday.
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把下列句子改为被动语态。1. They made these computers in Shenzhen.
These computers ____ _____ in
Shenzhen.
2. She bought a new bike yesterday.
A new bike ____ ______ by her
yesterday.
were made
was bought
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3. The students clean the room every day. The room ___ ______ by the students every day.
4. He will sing a new song at the party.
A new song ____ __ _____ by him
at the party.
5. Students can’t take the books out of the
library.
The books ____ ___ _____ out of the
library by students.
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3. The students clean the room every day. The room ___ ______ by the students every day.
4. He will sing a new song at the party.
A new song ____ __ _____ by him
at the party.
5. Students can’t take the books out of the
library.
The books ____ ___ _____ out of the
library by students.
is cleaned
will be sung
can’t be taken
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中考真题链接中考真题链接中考真题链接中考真题链接1. — I feel very happy that I ____ to be t
he host. — Congratulations! (07’ 江西 ) A. choose B. am chosen
C. was chosen D. haven chosen 2. Today Chinese ________ by more and
more people around the world. (07’ 北京 ) A. was spoken B. is spoken C. spoke D. speak
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中考真题链接中考真题链接中考真题链接中考真题链接1. — I feel very happy that I ____ to be t
he host. — Congratulations! (07’ 江西 ) A. choose B. am chosen
C. was chosen D. haven chosen 2. Today Chinese ________ by more and
more people around the world. (07’ 北京 ) A. was spoken B. is spoken C. spoke D. speak
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3 . (07’ 重庆 ) — Your hometown has changed a lot . — Yes. Take a look at these tall buildings. They ______ last year . A. build B. built C. was built D. were built — Why is the classroom so dirty? — Sorry, sir. It _______ yesterday . We forgot to do it . A. don’t clean B. didn’t clean C. weren’t cleaned D. wasn’t cleaned
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3 . (07’ 重庆 ) — Your hometown has changed a lot . — Yes. Take a look at these tall buildings. They ______ last year . A. build B. built C. was built D. were built — Why is the classroom so dirty? — Sorry, sir. It _______ yesterday . We forgot to do it . A. don’t clean B. didn’t clean C. weren’t cleaned D. wasn’t cleaned
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1.Recite the key words and phrases.
2.Make up three conversations.
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