Bell displayed his invention at a lot of exhibitions.
Bell displayed his invention at a lot of exhibitions.
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 ?
1. Trung and his brother like.....movies very much. (ACT)
2. Bell experimented with ways of transmitting....... a long distance. (SPEAK)
3 Bell....... demonstrated his invention. (SUCCESS)
4. Mr. Phong made an........to see us at two o'clock. (ARRANGE)
5. Thomas Watson was Bell's......(ASSIST)
6. I'll make..... for the meeting tonight. dim (ARRANGE)
7. There was still no ........on what to do next. (AGREE)
8. Ho Chi Minh City is an important..,,,,center. (COMMERCE)
9. Michael Faraday made a lot of......in the field of electricity. (INVENT)
10. We're thinking of......,to Australia. (EMIGRATE)
11. There was an ......of paintings at the Art Gallery. (EXHIBIT)
12. Your order is ready for..... (DELIVER)
13. This old man is .......in one ear. (DEAFEN)
14. Thomas Watson was Bell's .......wasn't he? (ASSIST)
15. He was ....in demonstrating his invention. (SUCCESS)
16. We have two postal ....every day. (DELIVER)
17. She was born..... (DEAFEN)
18. Have you seen the Picasso..... (EXHIBIT)
19. They are discussing the ......for the concert. (ARRANGE)
20. Ha Noi is a famous.... center. (COMMERCE)
Alexander Graham Bell, the American (1) ……………… and teacher of the deaf, was most famous (2) ……………… his invention of the telephone. He was born on March 3, 1847, in Edinburgh, Scotland and educated at the universities of Edinburgh and London. He (3) ……………… to Canada in 1870 and to the United states in 1871. In the United States he began teaching deaf mutes, publicizing the system called visible (4) ………………. The system, which was developed by his father, the Scottish educator Alexander Melville Bell, shows (5) ……………… the lips, tongue and throat are used in the articulation of sound. In 1872 Bell founded a school for deaf – mutes in Boston, Massachusetts. The school subsequently became part of Boston University, (6) ……………… Bell was appointed professor of vocal physiology. He became a naturalized U.S citizen in 1882.
1. A. scientist B. doctor C. architect D. inventor
2. A. with B. of C. for D. about
3. A. departed B. emigrated C. sent D. left
4. A. message B. demonstration C. information D. speech
5. A. how B. why C. which D. that
6. A. when B. what C. where D. All are correct
his invention/successfully/Alexander Graham Bell/at countless exhibition/demonstrated/
=> Alexander
Supply the correct word form
1. I'll make .................... for the meeting tonight ( arrange )
2. There was still no ............... on what to do next ( agree)
4.Michael Faraday makde a lot of .................... in the field of electricity . ( invent )
6. There was an ............... of painting at the Art Gallery . ( exhibit )
9.Thomas Watson was Bell's ............................ , wasn't he ? ( assist )
10.He was ....................... in the demonstrating his invention.( success)
what was alexxander graham bell's greateast invention?
to what did bell dedicate the last years of his life
I . use the correct form of the words in brackets .
1. Bell .............. demonstrated his invention ( success )
2. Mr . Phong made an ........................ to see us at two o'clock . ( arrange )
3. Thomas Watson was Bell's .................. , wasn't he ? ( assist )
4. I'll make ................ for the meeting tonight ( arrange )
5. There was still no ...................... on what to do next ( agree )
6. Ho Chi Minh City is an important .................... center ( commerce )
7. Michael Faraday made a lot of ............ in the field of electricity ( invent )
8. We're thinking of ............... to Australia . ( emigrate )
9. There was an.................. of paintings at the Art Gallery . ( exhibit )
10. your order is ready for .......................... ( deliver )
1. I’ll make ...................................... for the meeting tonight. (arrange)
2. There was still no................................... on what to do next. (agree)
3. HCM city is an important .................................. center. (commerce)
4. Michael Faraday made a lot of ... in the field of electricity. (invent)
5. We’re thinking of ....................................... to Australia. (emigrate)
6. There was an .................... of paintings at the Art Gallery. (exhibit)
7. Your order is ready for..................................................... . (deliver)
8. This old man is ................................................ in one ear. (deafen)
9. Thomas Watson was Bell’s ............................... , wasn’t he? (assist)
10. He was..................... in the demonstrating his invention. (success)