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Linh Hoàng

A pioneer in the field of telecommunications , Alaxander Graham Bell , was (1)............... in 1874 in Edinburgh , Scotland . He moved to Ontario , and then to the United States , setting in Boston , before beginning his career as an inventor . Throughout his life , Bell had been interested (2) ........... the education of deaf people . This interest led him to (3) ...............the microphone and , in 1867 , his " electrical speech machine " , which we now call a (4) .............. News of his invention quickly (5) ...........throughout the country , even throughout Europe . By 1878 , Bell had set up the first telephone exchange in New Havan , Connecticut . By 1884 , long distance connections were (6) .............between Boston , Massachusetts and New York City .

Bell imagined great uses for his telephone , like the model from (7) ............ 1920s , but would he ever have (8) ................telephone lines being used to transmit video images ? Since his (9) .............in 1922 , the telecommunications industry has undergone an amazing revolution . Today , non-hearing people are able to use a special display telephone to communicate . Bell's " electrical speech machine " paved the way (10)................ the information superhighway .

Huy Thắng Nguyễn
25 tháng 12 2017 lúc 13:06

A pioneer in the field of telecommunications , Alaxander Graham Bell , was (1).......born........ in 1874 in Edinburgh , Scotland . He moved to Ontario , and then to the United States , setting in Boston , before beginning his career as an inventor . Throughout his life , Bell had been interested (2) .....in...... the education of deaf people . This interest led him to (3) .......inviting........the microphone and , in 1867 , his " electrical speech machine " , which we now call a (4) .......telephone....... News of his invention quickly (5) ......spreaded.....throughout the country , even throughout Europe . By 1878 , Bell had set up the first telephone exchange in New Havan , Connecticut . By 1884 , long distance connections were (6) ......made.......between Boston , Massachusetts and New York City .

Bell imagined great uses for his telephone , like the model from (7) ......the...... 1920s , but would he ever have (8) ........imagined........telephone lines being used to transmit video images ? Since his (9) .......death......in 1922 , the telecommunications industry has undergone an amazing revolution . Today , non-hearing people are able to use a special display telephone to communicate . Bell's " electrical speech machine " paved the way (10)........for........ the information superhighway .

Cầm Đức Anh
25 tháng 12 2017 lúc 13:03
1. importance 2. knowledge 3. worldwide 4. protection 5. scientific 6. boredom 7. psychological 8. variety 9. daily 10. unconvinced

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