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  3. What effect does excessive positive ionization have on some people? By observing the behaviour of animals, scientists may be ab

What effect does excessive positive ionization have on some people? By observing the behaviour of animals, scientists may be ab

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问题 What effect does excessive positive ionization have on some people?
By observing the behaviour of animals, scientists may be able to ______.
选项 A、prevent disasters
B、organize groups of people
C、predict earthquakes
D、control areas of California
答案C
解析 prevent disasters对此题造成干扰，原文把earthquake作为disaster的一种例子，很容易让人匆忙误选。但这里我们要避免想当然，原文只提到了foresee，与prevent并非一回事。
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