______ human behavior may be caused by eating substances that upset the delicate

游客2023-11-19  25

问题 ______ human behavior may be caused by eating substances that upset the delicate chemical balance in the brain.

选项 A、Deliberate
B、Consistent
C、Primitive
D、Abnormal

答案 D

解析 根据题干可判断,填空处应与upset the delicate chemical balance“破坏微妙的化学平衡”形成语义场共现。D Abnormal意为“反常的,异常的”,与破坏化学平衡有关联,即大脑中的化学平衡被破坏会导致反常的行为,符合题意,故为答案。A Deliberate“故意的”、B Consistent“持续的”、C Primitive“原始的”均与句意不符。
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