单选题 {{B}}B{{/B}}
Many people like to watch TV. Watching TV is one of the most important activities(活动)of the day. TV brings the outside closer to people's homes. Some people say the world is smaller than before—because of TV.
What's going on in the other countries? How do people live in places far away? Is there a good sports game somewhere? What's life in the deepest part of the sea.
If you want to answer these and other kinds of questions, just turn on the TV. Turn it on and watch. You can see a lot and learn a lot. Of course, people can also learn through reading or listening to the radio. But with TV they can learn better and more easily. Why? Because they can hear and watch, too.
TV helps to open our eyes. TV also helps to open our minds (思想). TV often gives us new ideas. We learn newer and better ways of doing something.
单选题 Some people say the world is smaller than before because ______ .
【正确答案】 D
【答案解析】本题是要说明世界变小的原因，这是由于电视把外部世界的信息带给人们，使人们不用出门就能了解更多的信息，在四个选项中D项正确的回答了这个问题。
单选题 We can ______ when we watch TV.
【正确答案】 C
【答案解析】第二段的一连串问句说明了我们看电视时能得到很多信息。A、B、D明显错误。
单选题 People learn better through TV than through radio because ______ .
【正确答案】 B
【答案解析】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。
单选题 The sentence"TV also helps to open our minds"means ______ .
【正确答案】 C
【答案解析】所谓open our minds实际是“增长知识”的意思，电视可使我们增长知识，但增长知识并非一定要电视才行，故A项错误，B、D项更与事实不符。