ACT真題每日一練12.24
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Tuning In During the Twenties
[1]
Modern broadcasting began to develop afterthe First World War. Before 1920, radio was simply a useful way to send electrical signals ashore from a |
| ship at sea, or, from one "ham" operator to another. The new technology associated with movies and airplanes was already developing rapidly by the time soldiers started returning from European trenches |
| in 1918. The vast potential of the airwaves, therefore, had scarcely been touched. [2]
[1] Then a vice president of Westinghouse,looking for a way to make the transmission of radio |
| signals more profitable, decided on a two-fold strategy. [2] First, he would entice an audience with daily programming of great variety. [3] Second, he would sell this audience the radio receivers necessary |
| to listen to this entertainment. [4] The plan succeeded |
beyond anyone's expectations.  [3]
The federal Radio Division in Washington, D.C., |
| was created to license stations, because it had no power to regulate them. Broadcasters multiplied wildly, some helping themselves to the more desirable frequencies, others increasing their transmission |
| power at will. Chaos means things were out of control. [4]
Yet even in the midst of such anarchy, |
| some commercial possibilities and organizations saw clearly of a medium whose regulation seemed imminent. In 1926, RCA paid the American Telephone & Telegraph Company one million dollars for station WEAF in New York City—and NBC was |
| born. Years later, the Radio Law of 1927 was |
| enacted. It authorized it's control for licensing and of policing the broadcasters. [5]
|
| The RCA executives who created the powerful NBCnetwork were right to see that sizable profits would come from this new medium. |
| Even in 1930 for example an hour's advertising on nationwide radio to forty-seven cities cost $10,180. Advertising turned broadcasting into an industry, and the untapped potential of the airwaves |
| began to be realized. |
Choose the best alternative for the underlined part 9.
A. NO CHANGE
B. A year later,
C. Factually,
D. In conclusion,
謎底：B
【剖析】The best answer is B, which proposes the most logical transitional phrase to connect this sentence with the preceding one. The other choices are either illogical or create poor transitions. Choice A would only confuse the reader because the Radio Law of 1927 did not occur "years later"; it occurred just one year later. Choice C does not logically connect the two sentences. Choice D is also illogical because a conclusion is not being made at this point in the essay.
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