考博考试

根据网考网考试中心的统计分析，以下试题在2018/3/20日考博习题练习中，答错率较高，为：82%
【单选题】 In the passage, the author is primarily concerned with______.
A．rejecting an earlier explanation for the longevity of certain brachiopod species
B．reevaluating the implications of uniformity among existing brachiopod species
C．describing the varieties of environmental change to which brachiopods are vulnerable
D．reconciling opposing explanations for brachiopods' lack of evolutionary success

网考网参考答案：B，答错率：82%
网考网试题解析：
第一段中作者首先提出以往生物学家对uniformity的看法，即unable to compete successfully with other marine organisms in the evolutionary struggle，而第二段指出根据化石记录的结果，uniformity意味着更强的适应环境变化的能力。 查看试题解析出处>>