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  3. What effect does excessive positive ionization have on some people? According to the passage, static electricity can be caused

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

admin2009-04-23  79
问题 What effect does excessive positive ionization 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 推理判断题。根据第一段最后一句话，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。据此可以推断接触上述物品可以产生静电，因此选C。A.“使用家用电器”，犯了以偏概全的毛病；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”，文章未提及。
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大学英语四级

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