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Unit 3
Inventors and inventions
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courtyard walnut
distinguish
merciful product powder
perfume stainless
n. 院子;庭院;天井n. 胡桃;胡桃木vi. & vt. 显示……差别;使……有所不同;辨别adj. 宽大的;仁慈的n. 产品n. 粉末;火药n. 香水;香味adj. 无锈的;没有污点的
Words preview
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cube cubic abrupt
abruptly convenient
caution expectation
passive
n. 立方体;立方adj. 立方的adj. 突然的;意外的adv. 突然地;唐突地adj. 便利的;方便的n. 小心;谨慎n. 预料;期待;期望adj. 被动的;消极的; 被动语态的
Words preview
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merrymerrily
seize criterion
valid file
adj. 愉快的;高兴的adv. 高兴地;愉快地vt. 抓住;捉住;夺n. 标准;尺度adj. 有效的;确凿的n. 文件;档案;文件夹vt. 提交;把……归档
Words preview
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call up
now and then
set about
给……打电话偶尔;有时开始;着手
Expressions preview
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How can you divide 13 orangesbetween 9 children fairly?Make orange juice.
creative
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Do you know what are the four inventions in ancient China?
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What are they famous for?
Newton
gravity
discovered
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Benjamin Franklin
flash is electricity.
discovered
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Stephenson
the train
invented
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radium
Madame Curie
discovered
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Zhang Heng
the seismograph['saizməgrɑ:f] 地动仪
invented
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Discuss in pairs which pictures below show inventions and which show discoveries.
An amphibious car
Stephenson’s “Rocket”
DNA
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1. ____ isn’t Thomas Edison’s
invention.
Light bulb Record player “Rocket”
A quiz
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2.Paper, printing, gunpowder and ___ are
4 great inventions in ancient China.
abacusbalance
compass
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3. ________made the first train using a
steam engine in 1825.
A. Alexander Bell
B. Henry Ford
C. George Stephenson
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4. ____ invented the first airplane.
A. Wright ( 莱特) Brothers
B. Henry Ford
C. Benjamin Franklin
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5. ___ is called “ Father of Dynamite
(炸药)” .
A. Alfred Nobel
B. Albert Eins
tein C.
Alexander Bell
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An invention is ____________________________________.
A discovery is_____________________ ________________________________ ______.
already existing in nature but not yet
known
finding out something
not existing before
creating something
What’s the connection between discovery and invention?
Discoveries often lead to inventions.
Work out two rules:
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What if some snakes are in your home ?
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Unit 3The Problem of the Snakes
蛇 的 困 扰
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Skim the whole passage and get the main Skim the whole passage and get the main idea:idea:
Fast readingFast reading
The text tells the p______ of the snakes and
presents the p_________ of catching them
and applying for a p______.
roblem
rocedures
atent
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1. Applying for a patent2. Finding a problem 3. Doing research 4. Testing solution 5. Thinking of a creative solution 6. Deciding on the invention
Look at the list below and work out a suitable order.
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Read the passage
quickly to find the
main idea of each
part.
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Divide the text into four parts and work out the main idea for each part.Part I
Part II
Part III
Part IV
(Para.1)The discovery of the problem of the snakes.(Paras. 2-3)The research on the approaches to solve the problem.
(Paras. 4-6)The attempts to catch the snakes.
(Paras. 7-8)The requirement of getting a patent.
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Scanning to get
detail information
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1. In this passage, the writer wants to encourage the readers to consider carefully the problems in daily life.
2. The writer was successful in catching the snakes in the second attempt.
3. An inventor can easily get the patent for the invention.
T or F
scanning
Reading Comprehension III
_________
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4. The writer collected the passive snakes at his third attempt.
5. If you have a scientific theory or mathematical model, you can get a patent( 专利 ).
6. If your inventions pass the test, your application for a patent will be published 17 months from the date you apply.
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2. What instruments were used for
catching the snakes?
A. A bowl, ice-cubes, male perfume
B. A bowl, a bucket, female perfume
C. A small net, ice-cubes, a bucket
D. A small net, a bucket, powders
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scanning
Reading Comprehension IV
1. How did the writer catch the snakes?A. Using something to attract the snakes into a trap.B. Taking their habitat to another place.C. Cooling the snakes so that they became sleepy.D. All the above.
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3. The biggest advantage of the writer's
new idea is that ______.
A. it makes the snakes move slowly
B. it makes the snakes hardly bite us
C. it is easier for us to kill the snakes
without hurting ourselves
D. it is easier for us to catch the snakes
without killing them
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4. Which statement is true according to the text? A. The snakes were so sleepy in the second attempt that they couldn't bite the writer at all.B. The author and her mother released the snakes quickly after catching them.C. Your product must be different from everybody else's if you want to receive a patent.D. A patent will be published 17 months from the date you apply.
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5. According to the text, which subject do you think can be given a patent? A. A new star discovered by a scientist.B. A new novel written by Huo Da.C. A new kind of grass found in a mountain which can be used as a medicine.D. A new way to make dirty water clean.
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Para Stages in the inventing process
Example in this story
1
2
Find a problemThe snakes must be removed but not harmed
Do researchLook for methods of removal; the habits of snakes
scanning
Reading Comprehension V
The stages in making an invention.
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3
4,5,6
7
Test the solution
several times
Try three times to make it work efficiently
Apply for a patentThis means the solution is recognized
Think of a
creative solution
Identify three possible approaches: choose one
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Snakes came near my mother’s house ____ ____ _____, which u____ my mother much, and she wanted me to ____ ____ ___them. So I ___ _____ researching the _____ of snakes to find the easiest way to _____ them. I thought of three possible a__________. Firstly, removing their h________; secondly, attracting them into a _____and thirdly cooling them so that they would become s_______ and could be easily caught. I made up my mind to use the third one. I tried three times and the third _______ was finally successful. ________by my friends and relations, I decided to _____ the opportunity, hoping to get a ________ with my invention.
get abouthabits
trap
set
pproaches
attempt
patent
rid of
psetnowand
then
Review
seize
abitat
leepytrap
Pressed
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If you wish to succeed, you should use persistence as your good friend, experience as your reference, prudence as your brother and hope as your sentry. ---- Thomas Alva Edison
如果你希望成功,当以恒心为良友,以经验为参谋,以谨慎为兄弟,以希望为哨兵。 --- 爱迪生
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The text narrates the problem of
the snakes and presents the
procedures of catching them and
applying for a patent.
The text narrates the problem of
the snakes and presents the
procedures of catching them and
applying for a patent.
What’s the main idea of the text?
Skimming
Reading Comprehension I
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Discussion
1. What’s the writing purpose of the writer?2. What should we learn from this text?
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1. What’s the writing purpose of the writer?The writer wants to inform us of the
scientific methods to solve present problems so that we students can not only broaden the horizons but become more skilled in discovering and considering carefully the problems in daily life. We are also encouraged by the writer to be creative and hardworking as well as thinking independently.
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2. What should we learn from this text?
We can learn from the text the way of
doing scientific researches and how to
apply for a patent. We can also learn
that it takes an inventor great
determination or persistence to achieve
his or her goal in life.
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you are able to prove that you are
the first person to make the invention;
you are recognized as a real inventor;
you can make money if you sell your
invention to others.
Discuss with your partner what the
advantages might be of getting a patent.