Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answers:

The invention of the electric telegraph gave birth to the communications industry. Although Samuel B. Morse succeeded in making the invention useful in 1837, it was not until 1843 that the first telegraph line of consequence was constructed. By 1860 more than 50,000 miles of lines connected people east of the Rockies. The following year, San Francisco was added to the network. The national telegraph network fortified the ties between East and West and contributed to the rapid expansion of the railroads by providing an efficient means to monitor schedules and routes. Furthermore, the extension of the telegraph, combined with the invention of the steam-driven rotary printing press by Richard M. Hoe in 1846, revolutionized the world of journalism. Where the business of news gathering had been dependent upon the mail and on hand-operated presses, the telegraph expanded the amount of information a newspaper could supply and allowed for more timely reporting. The establishment of the Associated Press as a central wire service in 1846 marked the advent of a new era in journalism.

Question: It can be inferred from the passage that _______.         

A.

A: Samuel Morse did not make a significant contribution to the communications industry.

B.

B: Morse's invention did not immediately achieve its full potential.

C.

C: The extension of the telegraph was more important than its invention.

D.

D: Journalists have the Associated Press to thank for the birth of the communications industry.

Đáp án và lời giải
Đáp án:B
Lời giải:

Đáp án B

Bài nói rằng mặc dù Samuel B. Morse đã thành công trong việc làm cho ngành điện tín hữu ích hơn vào năm 1837, nhưng mãi đến tận năm 1843 thì đường dây điện tín đầu tiên mới được xây dựng "it was not until 1843 that the first telegraph line of consequence was constructed".  

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