What is the literal meaning of the word "television"? Which of the following is not mentioned in the passage as a function of e

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问题 What is the literal meaning of the word "television"?
Which of the following is not mentioned in the passage as a function of electronics in television transmissions?

选项 A、The feeding of impulses into a television set.
B、The conversion of an image into electronic impulses.
C、The sending of impulses through a wire cable.
D、The turning of one image into another.

答案D

解析 不是把一种图像换成另一种图像,而是在receiver上显示出相同的图像,见文章第二段第二句。
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