请教一道gre双空题，谢谢~When theories formerly considered to be______ in their scientific objectivity are found instead to reflect a consistent observational and evaluative bias, then the presumed neutrality of science gives way to the recognition that categories of knowledge are human______. 空格1： (A) disinterested (B) callous (C) verifiable空格2： (D) imperatives (E) errors (F)constructions我知道第一个空填与bias相反的词，即disinterested，可第二个空为什么填constructions让我很难理解，求解释，谢谢~~
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此题中明显的态度词就是公正和不公正，疏通句义后得知第一空填公正，第二空应该填不公正，因为没有其他明显的态度词了。
查词典 construction: the act or result of construing, interpreting, or explaining
就是表示不公正的意思