CBS, one of the three major commercial networks, were organized in

游客2023-09-12  19

问题     CBS, one of the three major commercial networks, were organized in          【S1】______
1928 which its founder, William Paley, acquired ownership of a group of         【S2】______
radio stations. As the Columbia Broadcasting System expanded-its
operations, soon become the largest radio network in the United States, it      【S3】______
precociously recognized the potential for the rapidly evolved television        【S4】______
broadcasting technology. On July 13th, 1931, it began experimentally            【S5】______
television broadcasting in New York, and ten years later began regular
black and white week broadcasts over its WCBW TV station in the same            【S6】______
city, that became WCBS TV in November 1946. With Television City in             【S7】______
Hollywood, CBS launched the industry’s first full scale production studio.
    Today CBS owns television stations, radio stations, and home video
production and distribution interests. The CBS Broadcasting Group composed      【S8】______
of six divisions: television network, entertainment, sports, news, local
television stations, and radio. For most of commercial television history, CBS
has been the leader in prime time ratings, having the highest rated shows in
almost every year from the mid 1950s through the mid 1980s. During the late
1980s, however, CBS lost its top position from NBC. CBS has traditionally       【S9】______
been strong in the TV news area. The network began the first regular TV news
program in 1948 with Douglas Edwards as anchor. Journalism legends such as
Edward R. Murrow and Walter Cronkite gave CBS its reputation as quality         【S10】______
news broadcaster. [br] 【S3】

选项

答案 become→becoming

解析 语法错误As the Columbia Broadcasting System expanded its operations是一个由as引导的伴随状语,与soon become the largest radio network in the United States之间有一种逻辑上的因果关系,而不是并列关系,因此,用become是不合适的。由于become的逻辑主语是the Columbia  Broadcasting System,因而将become变为becoming,这样就使整个句子具有逻辑连贯性了。
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