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 ?

Telephone was Graham Bell’s ………… invention………………………………..(invent)

Alexander Graham Bell was born in 1947 (1)……………… Edinburgh, but when he (2)……………… a young man of 23, he (3) ………………………with his parents to America. They lived in Boston, where Alexander taught in a school for the (4) ………………………. Soon, he started experimenting with ways of transmitting (5) ……………………….  over a long distance. For years Bell and his (6) ………………………Thomas Watson, worked day and night and finally (7) ……………………… up with a device which they first introduced in 1876. They did not know that one day this talking machine would become the (8)………………………and would change people’s lives.

Can I take the message?

     à Would you  ……………………………………………………………?

 Alexander Graham Bell invented the telephone.

    à Alexander Graham Bell was……………………………………………………………

 chia V trong ngoac

1. she is beautiful with a .............(love) simile

2.each of my frends has a ...................(differ) character

3.alexander graham bell ............................(success) demonstrated his invention

4."the lost shoes " is one of the ........................(tradition) stories I like best

5.is there anything ....................(interest)on TV tonight

6.relax for some minuter and you"ll feel more ..........................(comfort)

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