考博考试

根据网考网考试中心的统计分析，以下试题在2018/8/16日考博习题练习中，答错率较高，为：38%
【单选题】 The association between ______ has not yet been found in Australia.
A．ozone levels and hospital admissions for asthma
B．hazy days and more asthma attacks in children
C．the levels of particles in the air and death rates
D．high levels of pollution and more. symptoms

网考网参考答案：C，答错率：38%
网考网试题解析：
参看原文Recently an association has been found between the levels of particles in the air and death rates in North American cities．The reason for this association is not understood and as vet there is no evidence this occurs in Australia．意思是说，最近发现北美空气中微粒的浓度与死亡率之间存在联系，但是原因尚不知晓，而且在澳大利亚并未发现此类现象。 查看试题解析出处>>