阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填人一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31～40的相应位置上。

　　Television is now playing a very important role 31 our life. But television, like many 32 things, has both advantages and disadvantages. Do the 33__ outweigh(比…更重要)the latter?

　　In the first place, television is not only a convenient source of entertainment, but also 34 comparatively cheap one. For a family of four, for example, it is more convenient as well as 35 (cheap) to sit comfortably at home, with almost unlimited entertainment available, than to go out in search of amusement elsewhere. __ 36 they have to do is to press a button, and they can see plays, films, operas, and shows of every kind, not to mention the latest 37 (excite) football match. Some people, 38 , maintain that this is precisely 39 the danger lies. The television viewer makes no choice and exercises no judgment. He is completely passive and has everything 40 (present) to him without any effort on his part.

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