2. 外语
  3. What effect does excessive positive ions have on some people? According to the passage, static electricity can be caused by ___

What effect does excessive positive ions have on some people? According to the passage, static electricity can be caused by ___

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问题 What effect does excessive positive ions have on some people?
According to the passage, static electricity can be caused by ______.
选项 A、using home-made electrical goods
B、wearing clothes made of natural materials
C、walking on artificial floor coverings
D、sorting food in a refrigerator
答案C
解析 文章第一段最后一句话提到，这种static electricity(静电)可能来源于地毯，人造纤维衣物，电视，复印机和电脑显示器。据此可以推断接触地毯可以产生静电，因此选C。A“使用家用电器”过于绝对，并不是所有家电都产生静电。B“穿着天然材质的衣物”不会引起静电。D“对冰箱食物进行分类”未提及。
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大学英语四级

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