2. 外语
  3. The modern age is an age of electricity. People are so used to electric lights, radios, televisions, and telephones that it is h

The modern age is an age of electricity. People are so used to electric lights, radios, televisions, and telephones that it is h

admin2010-02-20  56
问题 The modern age is an age of electricity. People are so used to electric lights, radios, televisions, and telephones that it is hard to【B1】______what life would be like without them. When there is a power failure, people【B2】______about in faint candlelight, cars【B3】______in the streets because there are no traffic lights to guide them, and food【B4】______. in silent in refrigerators.
    Yet people began to understand how electricity works only a little more than two centuries ago. Nature has【B5】______been experimenting in this field for millions of years. Scientists are discovering more and more that the living world may hold many interesting【B6】______of electricity that could benefit【B7】______
    All living【B8】______send out tiny pulses of electricity.【B9】______The brain, too, sends out brain waves of electricity, which can be recorded in an electric device.【B10】______—often so small that sensitive instruments are needed to record them. But for some animals, certain muscled cells have become so specialized as electrical generators that they do not work as muscle cells at all.【B11】______.
【B4】
选项
答案spoils
解析 此句和前面的各个半句是并列结构，空格前面是主语food，缺少谓语动词，宾语是冰箱不工作，可以知道此处应为一个动词且需含有贬义的概念，再根据录音，spoil为正确词汇，主语是单数第三人称，要加s。
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大学英语四级

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