托福阅读细节题汇总(100题).docxVIP

细节题?100 因果关系 2-11 Paragraph 5： These forces were the rapidly expanding electronics and telecommunications companies that were developing and linking telephone and wireless technologies in the 1920s. In the United States, they included such firms as American Telephone and Telegraph, General Electric, and Westinghouse. They were interested in all forms of sound technology and all potential avenues for commercial exploitation. Their competition and collaboration were creating the broadcasting industry in the United States, beginning with the introduction of commercial radio programming in the early 1920s. With financial assets considerably greater than those in the motion picture industry, and perhaps a wider vision of the relationships among entertainment and communications media, they revitalized research into recording sound for motion pictures. 11. In paragraph 5, commercial radio programming is best described as the result of oa financially successful development that enabled large telecommunications firms to weaken their competition. othe desire of electronics and telecommunications companies to make sound technology profitable oa major development in the broadcasting industry that occurred before the 1920s othe cooperation between telecommunications companies and the motion picture industiy 2-12 Paragraph 6: In 1929 the United States motion picture industry released more than 300 sound films—a rough figure, since a number were silent films with music tracks, or films prepared in dual versions, to take account of the many cinemas not yet wired for sound. At the production level, in the United States the conversion was virtually complete by 1930. In Europe it took a little longer, mainly because there were more small producers for whom the costs of sound were prohibitive, and in other of the world problems with rights or access to equipment delayed the shift to sound production for a few more years (though cinemas in major cities may have been wired in order to pl