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I. One of the inventions made in the world of science and technology is the telephone. This instrument has become an important part in our daily life The word "telephone " comes from two Greek words" tele " and " phone". These words mean "far" and "sound". The telephone uses electricity to carry sound over distance. So you see, the two Greek words tell us exactly what the instrument does. Since its invention by Alexander Graham Bell in 1876, the design of the telephone set has changed greatly....
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I. One of the inventions made in the world of science and technology is the telephone. This instrument has become an important part in our daily life The word "telephone " comes from two Greek words" tele " and " phone". These words mean "far" and "sound". The telephone uses electricity to carry sound over distance. So you see, the two Greek words tell us exactly what the instrument does. Since its invention by Alexander Graham Bell in 1876, the design of the telephone set has changed greatly. However, the way the telephone works is still the same. I. What has become an important part in our daily life? 2. What do the words " tele" and" phone " mean? 3. How does the telephone carry sound over a distance? 4. Who invented the telephone? 5. When was the telephone invented? 6. Has the design of the telephone set changed a lot since its invention? 2.Alexander Graham Bell was born in Scotland. He emigrated to Canada first and then to the USA in 1870s In America, he worked with the deaf-mutes at Boston University. Soon, Bell started experimenting with ways of transmitting speech over a long distance. He worked with Thomas Watson, his assistant. Bell and Watson conducted many experiments. He successfully demonstrated his invention to the public at countless exhibitions, he invented the telephone. By 1877 the first telephone was in commercial use. 1. Where was Alexander Graham Bell born ? 3. Who did Bell work with at Boston University? 4. What did Bell invent ? 5. Did Bell conduct many experiments in America? 6. Where did he successfully demonstrate his invention? 2. Where did he emigrate first ?

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20 tháng 9 2018

. 1. Where was Alexander Graham Bell born ?

In Scotland

2. Where did he emigrate first ?

He emigrated to Canada first

3. Who did Bell work with at Boston University?

Thomas Watson

4. What did Bell invent ?

The telephone

5. Did Bell conduct many experiments in America?

Yes, he did

6. Where did he successfully demonstrate his invention?

At the countless exhibitions

14 tháng 9 2017

1. Alexander Graham Bell was born in Scotland

2. Alexander Graham Bell went to live in Canada

3. Alexander Graham Bell went to live in the United States

4. Alexander Graham Bell worked with people who could neither speak nor hear

5. Alexander Graham Bell worked with Thomas Watson

6. Alexander Graham Bell invented the telephone

19 tháng 1 2018

Đáp án là B.

Alexander Graham Bell was born in 1847 in Edinburgh, Scotland.

16 tháng 12 2018

1, Where was Alexander Graham born?

He was born in Edinburgh, Scotland

2, When did his family govto live in America?

His family went to live went to live in America in 1870

3, What did he do in Boston?

He taught in a school for the deaf

4,Why did he begin to work on a new invention?

Because he thought why not use the electricity to send the human voice from one place to another

16 tháng 12 2018

Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. His father was an expert in phonetics, the study of the sounds of languages. As a boy, Bell became interested in sounds and speech.

In 1870 the Bells decided to emigrate to America. They lived in Boston, where Alexander taught in a school for the deaf. Then he began experimenting with a machine to help the deaf hear. While experimenting with this machine, Bell had an idea. Why not use electricity to send the human voice from one place to another place? Bell began to work on a new intention.

1, Where was Alexander Graham born?

=> He was born in Scotland.

2, When did his family go to live in America?

=> His family went to live in America in 1870.

3, What did he do in Boston?

=> He taught in a school for the deaf

4,Why did he begin to work on a new invention?

=> Because he wanted to use electricity to send human voice from one place to another place.

9 tháng 3 2017

Đáp án là C.

They lived in Boston, where Alexander taught in a school for the deaf – mutes.

14 tháng 6 2019

Đáp án là C.

C (Bell began work on a new invention of the telephone.)

4 tháng 4 2019

Đáp án là A.

A (They lived in Boston…).

21 tháng 8 2019

Đáp án là A.

A (emigrate = leaves somebody’s country to live in another country: di cư).