問題詳情
49.tWhy did many researchers choose to study only male rodents in laboratories?
(A)tThey think female rodents are not representative of the group.
(B)tThey fbund female rodents are more likely to be resistant to treatments.
(C)tMale rodents display more observable symptoms.
(D)tThe、think 伐male rodents' hormones make data inconsistent.
(E)tThis has been historically true and people stop questioning it.
參考答案
答案：D
統計：A:0,B:0,C:0,D:6,E:0
難度：計算中