Some people say the world is smaller than before because ______ . People learn better through TV than through radio because ___

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问题 Some people say the world is smaller than before because ______ .
People learn better through TV than through radio because ______ .

选项 A、TV sets are bigger than radios
B、people can not only hear but also watch
C、without TV people can’t open their eyes
D、it’s easier to turn on TV than to turn on radio

答案B

解析 看电视的效果比听收音机、看书、读报好,是因为看电视时可同时使用听觉和视觉,并不是比收音机大或是开电视比开收音机容易。故只有B是合乎逻辑的解释。
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