第一篇文章
定位在“Yet beneath the overlay of cultural detail, they, too, are said to be biological in direction, and therefore as natural to us as are our appendixes.”
2. It can be inferred that in his discussion of maladaptive frailties the author assumes that
(A) evolution does not favor the emergence of adaptive characteristics over the emergence
of maladaptive ones
(B) any structure or behavior not positively adaptive is regarded as transitory in
evolutionary theory
(C) maladaptive characteristics, once fixed, make the emergence of other maladaptive
characteristics more likely
(D) the designation of a characteristic as being maladaptive must always remain highly
tentative
(E) changes in the total human environment can outpace evolutionary change