ADMICRO

Choose the word or phrase (a, b, c or d) that best fits the blank space in the following passage.

BELL’S TELEPHONE

A pioneer in the (51)________ of telecommunications, Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. He moved to Ontario, and then to the United States, (52)______ in Boston, before beginning his career as an inventor. Throughout his life, Bell had been interested in the (53)________ of deaf people. This interest led him to invent the microphone and, in 18 76, his “electrical speech machine,” which we now call the telephone. News of his invention quickly (54)________ throughout the country, even throughout Europe. By 1878, Bell had set up the first telephone exchange in New Haven, Connecticut. By 1884, long-distance connections were (55)_____ between Boston, Massachusetts, and New York City. Bell imagined great (56)________ for his telephone, like the model from the 1920s, but would he ever have imagined telephone lines being used to (57)__________ video images? Since his death in 1922, the telecommunication industry had undergone an amazing revolution. Today, (58)_________ people are able to use a special display telephone to communicate. Fiber optics are improving the quality and speed of data transmission. Actually, your ability to (59) _______ this information relies upon telecommunications technology. Bell’s “electrical speech machine” paved the (60)______for the Information Superhighway. 

60__________

Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ZUNIA12
ZUNIA9
AANETWORK