单选题
Television, as source of entertainment, is______.
A、
not very convenient
B、
very expensive
C、
quite dangerous
D、
relatively cheap
【正确答案】
D
【答案解析】
细节题。第二段第一句提到" In the first place, television is not only a convenient source of entertainment,but also a comparatively cheap one.”可见,电视不仅方便,而且便宜。四个答案中只有D符合句意。
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