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Anh 8 - Unit 2

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Soon, Bell started experimenting with ways of transmitting speech over a long distance.. Bell and his assistant, Thomas Watson, conducted many experiments and finally came up with a dev

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Welcome to the English class!

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It’s very useful

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AT HOME

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AT OFFICE

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FOR DRIVERS

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FOR TELEPHONISTS

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FOR CAPTAINS

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FOR POLICEMEN

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for every one every where

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What is it?

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Unit 2 : MAKING ARRANGEMENTS

ALEXANDER GRAHAM BELL

READ

page 21-22 English textbook

Grade 8

Trang 12

On March 3, 1847, Alexander Graham Bell was born in Edinburgh

He was a Scotsman although later he emigrated, first to Canada and then to The USA in the 1870s

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In America, he worked with deaf-mutes at Boston University Soon, Bell started

experimenting with ways of transmitting

speech over a long distance This led to the

invention of telephone.

Trang 14

Bell and his assistant,

Thomas Watson, conducted

many experiments and

finally came up with a device

which they first introduced in 1876 Bell said on the phone: “Mr Watson, come

here I want you.” This was the first

telephone message

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Traveling all over America,

Bell demonstrated his invention to the public countless exhibitions, and by 1877 the first

telephone was in commercial use.

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Vocabulary

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to be born (exp)

Alexander Graham Bell was born in Edinburgh on March 3, 1847.

: được sinh ra

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native of Scotland

Scotsman (n):

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CANADA THE USA

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• to emigrate (v) : xuất cảnh, di cư

• Scotsman (n) :người Scot

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deaf-mute (n):

a person who can’t speak

and hear

người câm điếc

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In America, he worked with deaf-mutes

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*experiment(n):

*to experiment(v):

cuộc thí nghiệm

làm thí nghiệm

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over a long distance

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-to pass through

-to send to another person/ place/ thing

to transmit (v) :

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*to transmit (v): truyền, dẫn

*over a long distance : qua 1 khỏang xa

*speech (n): cuộc nói chuyện

Bell started experimenting with ways of transmitting speech over a long distance

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This led to the invention of telephone.

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• Bell and his assistant, Thomas Watson,

conducted many experiments.

assistant (n):

to conduct (v):

trợ lý, phụ tá

thực hiện

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device (n)

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to introduce (v):

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to come up with (exp): đi đến kết cuộc

finally (adv): cuối cùng

device (n) : công cụ, thiết bị

to introduce (v): giới thiệu

• They finally came up with

a device which they first introduced in 1876.

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message (n):

• Bell said on the phone:

“Mr Watson, come here I want you.”

thông báo, lời nhắn

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to demonstrate (v)

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to demonstrate (v): thuyết minh

countless (adj): vô số

exhibition (n): cuộc triển lãm

• Traveling

all over America, Bell demonstrated his invention

to the public at countless exhibitions

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• 1 to be born (exp): được sinh ra

• 2 to emigrate (v): xuất cảnh

• 3 Scotsman (n): người Scotland

• 4 deaf-mute (n): người câm điếc

• 5 experiment (n): cuộc thí nghiệm

• 6 to experiment (v): làm thí nghiệm

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• 7 to transmit (v): truyền, dẫn

• 8 over a long distance : qua 1 khỏang xa

• 9 speech (n): cuộc nói chuyện

• 10 to lead-led-led (v): dẫn dắt, đưa đến

• 11 invention (n): sự phát minh

• 12 to invent (v): phát minh

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• 13 assistant (n): trợ lý, phụ tá

• 14 to conduct (v): thực hiện

• 15 to come up with (exp): đi đến kết luận

• 16 finally (adv): cuối cùng

• 17 device (n): công cụ, thiết bị

• 18 to introduce (v): giới thiệu

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• 19 message (n): thông báo, lời nhắn

• 20 to say-said-said (v): nói

• 21 to demonstrate (v): thuyết minh

• 22 countless (adj): vô số

• 23 exhibition (n): cuộc triển lãm

• 24 to be in commercial use (exp):

• đưa vào thương mại

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On March 3, 1847, Alexander Graham Bell was born in Edinburgh

He was a Scotsman although later he emigrated, first to Canada and then to The USA in the 1870s

Trang 41

In America, he worked with deaf-mutes at Boston University Soon, Bell started

experimenting with ways of transmitting

speech over a long distance This led to the

invention of telephone.

Trang 42

Bell and his assistant,

Thomas Watson, conducted many experiments and finally came up with a device which they first introduced in 1876 Bell said on the phone: “Mr Watson, come

here I want you.” This was the first

telephone message

Trang 43

Traveling all over America,

Bell demonstrated his invention to the public countless exhibitions, and by 1877 the first

telephone was in commercial use.

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True or False?

was born in the USA.

F

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b/ He worked with deaf-mute patients in a hospital in

Boston.

F

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c/ Thomas Watson was

Bell’s assistant.

T

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d/ Bell and Watson introduced the telephone

in 1877.

F

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e/ Bell experimented with

speech between mutes over a long distance.

deaf-F

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f/ Bell demonstrated his invention at a lot of exhibitions.

T

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Let’s check:

a/ Alexander G.Bell was born in the USA.

b/ He worked with deaf-mute patients in a hospital in Boston.

c/ Thomas Watson was Bell’s assistant.

d/ Bell and Watson introduced the telephone in 1877.

e/ Bell experimented with ways of transmitting speech between deaf-mutes over a long distance.

F

F T

F F

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Put the events in the correct order:

• a/ went to live in The United States.

• b/ successfully demonstrated his invention.

• c/ worked with Thomas Watson.

• d/ was born in Scotland.

• e/ went to live in Canada.

• f/ invented the telephone.

• g/ worked with people who could neither

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More information about

Alexander Graham Bell

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His mother was a deaf pianist

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Bell was the second boy of the three sons

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His wife, Mabel Hubbard was one of his students in

Boston

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Elise May Bell

They had two daughters :

Marian Hubbard Bell

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Bell was the leader of

the Aerial Experiment

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The model of Bell’s telephone

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There is a gallery about Alexander G Bell in Canada

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Telephones through years

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CELLULAR PHONE

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Good bye! See you

next time

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