ON MARCH 3,1847,ALEXANDER GRAHAM BELL was born in edin burgh. He was a scotsman although he later emigrated, first to Canada and then to the USA in the 1870s. 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 the telephone. 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 telephone: 'Mr. Watson, come here. I want you.' Thí was the first telephone message. Traveling all over America, Bell demonstrated hí invention to the public at countless exhibitions, and by 1877 the first telephone was in commercial use.

Tóm tắt đoạn văn này giúp em với ạ chiều nay em học rồi

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 ?

I. Chose the most appropriate word or phrase to fill in each blank.

1. My grandma looked ............... us when my parents were away from home.( for, after, at, up)2. She wore a hat to ................... the sun out of her eyes.( make, let, get, keep )3. My child can't wash his face ...................( myself, itself, himself, herself)4. After the death of his parents, he was sent to a(n) ................... (orphan, age, planet, hospital school)5. Mrs. Lien said you could reach her .................... 8603530 (on, to, in, at)6. Deaf-mutes can ............. speak ............... hear (both...and, not only...but also, neither...nor, eight...or)7. It was ............... of you to share your food with me.(sociable, generous, humorous, reserved)8.Her parents won't let her .......... ............. with her friends.(go out, goes out, to go out, going out)9. She came ................... with a new ideas for increasing sale.(on, up, in, over)

Giúp mk nha

I. Đặt các từ theo đúng thứ tự để tạo thành câu có nghĩa.

1. demonstrated / Bell / . / at countless / his inventions / exhibitions / to the public

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2. neither speak / worked with people / In America, / who / Bell / nor hear / . / could

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3. the armchair / I think / . / we ought / between / and the couch / to put the rug

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4. locked cupboard / must / You / all chemicals / put / in . / and drugs
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5. may / because they / Children / drink or eat / . / all chemicals and drugs / soft drink or candy / look like
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6. try / must cover / into them / . / You / so that / electrical sockets / Children / anything / to put / do not
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giúp mình với

Reorder to make a complete sentence.

1. enough / Jane / stay / to / alone / old / isn't / at home.

2. you / going / to / are / what / do / next weekend?

3. she / hair / black / has / long / straight.

4. in the east / rises / sun / the / in the west / sets / and.

5. table / large / was / in the kitchen / there / a / wooden / round.

6. awful / an / what / house!

7. have / money / buy / that / we / enough / to / didn't / car.

8. free / he / most / time / sport / spends / of / his / playing.

Read the passage and choose the best answer

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 – mutes. There, 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? Bell began work on a new invention of the telephone.

Bell was the inventor of the ____________.

A. bicycle

B. television

C. telephone

D. gas cooker