We can learn from the passage that SAD is______.A.a common condition among peopleB.a term
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We can learn from the passage that SAD is______.
A.a common condition among people
B.a term referring to the winter dumps
C.a term not being totally understood
D.a term of evolutionary biology
请帮忙给出正确答案和分析,谢谢!
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正确答案:C
细节题。第二段提到,SAD是一种没有被完全理解的精神障碍,也是被进化生物学的作用复杂化了的问题,故选[C],同时排除[D]。根据第二段第一句可知,SAD经常泛指冬季低谷期,但是,专家称这个概念常被错误地使用,这种情况实际上并没有人们想象的那么普遍,故排除[A]和[B]。
