Television is now playing a very important part in our life. But television, like other things, has both advantages and disadvantages. Do the former overweighs the latter? In the first【B1】, television is not only a convenient source of entertainment, but also a(n)【B2】cheap one. For a family of four, for example, it is more【B3】as well as cheaper to sit comfortably at home, with almost unlimited entertainment【B4】, than to go out in【B5】of other sorts of entertainment【B6】. They do not have to pay for expensive seats at the theater, the cinema, or the opera, only to discover, perhaps, that the show is【B7】. All they have to do is【B8】a button, and they can see plays, films, operas, and shows of every kind, not to【B9】political discussions and the【B10】exciting football match. Some people,【B11】, maintain that this is precisely where the danger lies. The television viewer【B12】no initiative. He makes no choice and exercises no judgment. He is completely【B13】and has everything presented to him without any effort【B14】his part. Television, it is often said, keeps one【B15】about current events, allows one to【B16】the latest developments in science and politics, and offers an endless【B17】of programs which are both instructive and【B18】. The most distant countries and the strangest customs are brought right into one's sitting room.【B19】here again there is a danger. We get so used to looking at it, so dependent on its sparkling pictures, that it begins to【B20】our lives. 【B1】