A few years ago a lone American campaigner wrote a book in which he set out the main points of his fascinating crusade —to aboli

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问题     A few years ago a lone American campaigner wrote a book in which he set out the main points of his fascinating crusade —to abolish television. His manifesto(宣言、声明) Four Arguments for the Elimination of Television is an American Cult bestseller, and after eight editions is still generating concern and savage debate in the United States.
    Jerry Mander, a former advertising expert, is convinced that for the sake of our freedom, and mental and physical health, we should learn to live without Television. Through his advertising background Mander is aware of how much of television is concerned with advertising. He sees the planting of values for profit as a deep, profound and disturbing act by the few against many, for a trivial purpose. And, even without commercials, he sees TV as disturbing because it crams people’s heads with images which alter the way they feel and behave. Pictures formed by 300 000 tiny dancing dots altering 30 times per second, bombard their eyes as people scan the images 10 times a second. But, argues Mander, even if you reject or doubt what you see consciously, it is too late, the crucial messages have gone home.
    He further argues that TV is a deadening experience as it is restricted to just two senses/sight and sound. Perception is dulled and flattened, says Mander, when you can’t feel and smell and totally experience an event. People are just sitting passively for up to four hours a night watching a flickering screen and listening to artificial sound. "No culture in history has spent such an enormous amount of time looking at artificial light," says Mander, "and another worrying fact is that prolonged exposure to artificial light alters human cells, which is why it is being used for certain medical treatment Researchers do not know if lifelong TV exposure is a physical risk or not, but as Mander would argue, why run the risk? It is important that people get up now and switch off before the harm is done; They might also become brainwashed, or, who knows, even moribund(濒死的).
Why does Jerry Mander see TV as a disturbing influence?

选项 A、It is because people’s eyes scan a TV screen 10 times a second.
B、It is because people’s mind and behavior tend to be changed by TV.
C、It is because the conscious mind registers all images it perceives.
D、It is because it is ineffective in getting across its messages.

答案B

解析 文章第二段中作者说明杰里反对看电视是因为电视使人们的脑子里充斥着大量的画面和形象,而这些都会改变他们原有的感知方式和行为习惯。
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