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TELEVISION NETWORK. 
One of thethree major commercial networks, CBS were organized 1. ____in l928 which its founder, William Paley, acquired 2. ____ownership of a group of radio stations. As theColumbia Broadcasting System expanded its operations, 
soon become the largest radio network in the 3. ____United States, it precociously recognized the potential 
for the rapidly evoved television broadcasting 4. ____technology. On July 13th, 1931, 〓it began experimentally 5. ____
television broadcasting in New York, and ten years later began regular blackandwhite week broadcasts over 6. ____its WCBWTV station in the same city, that became 7. ____ WCBSTV in November 1946. With Television City in 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 of six 8. ____ divisions ： television network, entertainment, sports,news, local television stations, and radio. For most of commercial television history, CBShas been the leader in primetime ratings, having thehighest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. 9. ____CBS has traditionally been strong in the TVnews area. The network began the first regular TV news  program in l948 with Douglas Edwards as anchor,Journalism legends such as Edward R. Murrow and Walter Cronkite gave CBS its reputation as quality 10. ____news broadcaster. 
答案部分 
1.【参考答案】将were改为was。 
【参考译文】 作为美国三大商业广播电视网之一，哥伦比亚广播公司成立于1928年。 
【试题分析】 本题辨析谓语动词单复数的误用。 
【详细解答】 本句的主语为CBS (哥伦比亚广播公司)，而不是networks。因此，将were organized改为 was organized。 
2.【参考答案】将which改为when/in which。 
【参考译文】 那年，它的创始人威廉·佩利获得了数家广播电台的所有权。 
【试题分析】 本题辨析定语从句引导词的误用。 
【详细解答】 作“年代”的定语从句，其引导词可以是that,which,in which或when。这须判断定语从句缺少什么成分，its founder William Paley, acquired ownership of a group of radio stations中，缺少时间状语，故引导词应为when或in which。 
3.【参考答案】将become改为becoming。 
【参考译文】 随着哥伦比亚广播公司业务范围的拓展，它很快成了美国的最大广播网。 
【试题分析】 本题辨析谓语动词与分词状语的误用。故意将分词短语设计错误，这是六级鑫辉娱乐登录入口下载辨错题的一个常考类型。 
【详细解答】 As the Columbia Broadcasting System expanded its operations,是一个由as引导伴随状语，与soon become the largest radio network in the United Stat es之间有一种逻辑上的因果关系，而不是并列关系，而且soon become…在句法上也与并列句子不合。(由and连结)，因此，用become是不合适的，由于become的逻辑主语是the Colum bia Broadcasting Sytem，因而将become变为becoming，使这个句子成为结果状语后，就使整个句子符合逻辑连贯性了。 
4.【参考答案】将evolved改为evolving。 
【参考译文】 它一开始就认识到了未来广播电视技术迅猛发展的趋势。 
【试题分析】 本题辨析作前置定语时分词的误用。 
【详细解答】 作前置定语时，现在分词表示“正在或将要发生”，过去分词表示“已经成为过去”。根据句意，发展趋势是未来的，因此evolved是不合适的。要将evolved改为evolving。 
5.【参考答案】将experimentally改为experimental。 
【参考译文】 1931年7月13日，它开始在纽约试播电视节目。 
【试题分析】 本题辨析形容词，副词的误用。 
【详细解答】 副词作状语时，通常在实义动词之前，助动词之后。那么，experimentally放在began之后，是不合适的，那么experimentally 应修饰television broadcasting。但修饰名词应用形容词experimental，而不是experimentally。 
6.【参考答案】将week改为weekly。 
【参考译文】 10年后，开始在纽约通过其WCBWTV电视台每周播放一定的黑白电视节目。 
【试题分析】 本题辨析定语的误用。 
【详细解答】 名词也可以作定语，但一定要符合句意。week意为“周，星期”，与broad cast的搭配，没有什么合乎逻辑的含义，若将之换为weekly，“每周播放”则合乎句意。