[ B] it is still at an early stage of development， compared with the radio

    [ C ] the programs have to be developed in the interests of the sponsors for economic reasons

    [ D] it is controlled by radio companies

    52. The second paragraph is mainly about_________.

    [ A ] TV as the sustainer of American life

    [ B ] TV as the major transmitter of culture

    [ C ] the educational effect of TV on society

    [ D ] the strong influence and the poor quality of American TV

    53. In the author' s view American TV should _________.

    [A] be critical but entertaining

    [ B] be creative and educational

    [ C ] change with the development of society

    [ D ] attract as many viewers as possible

    54. The author believes that television in the United States has become important to most people because _________.

    [A] it promotes family unity

    [ B] it helps them develop their speaking ability

    [ C] it attracts their life in many ways

    [ D] it challenges society

    55. The author ' s attitude towards American television is _________.

    [ A ] critical [ B ] praising

    [ C ] doubtful [ D ] sympathetic

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