考博考试

根据网考网考试中心的统计分析，以下试题在2018/4/19日考博习题练习中，答错率较高，为：52%
【单选题】 The "chronic reference doses" (in boldface in Paragraph 3) refer to ______.
A．the safe levels of pesticide exposure
B．the amount of fruits one can safely eat
C．one's digestive capacity for fruits
D．health values of fruits and vegetables

网考网参考答案：A，答错率：52%
网考网试题解析：
由Used appropriately, these levels represent the maximum amount of pesticide that could be consumed daily for life without concern可知正确答案是A(杀虫剂接触量的安全剂量)。 查看试题解析出处>>