对研究所需指标或数据进行测定或测量时产生的偏倚为()
A.诊断怀疑偏倚
B.入院率偏倚
C.现患-新发病例偏倚
D.易感性偏倚
E.测量偏倚
参考答案:E
关于巴比妥类药物理化性质表述正确的是()
A.巴比妥类药物易溶于水
B.巴比妥类药物加热易分解
C.含硫巴比妥类药物有不适臭味
D.巴比妥药物在空气中不稳定
E.通常对酸和氧化剂不稳定
Which of the following is the most appropriate title for the passage
(A) A Political Birthright: An Analysis of Revolutionary Psychology(B) The American Revolution, Its Causes and Effects(C) The Legacy of Progressive Historians: A Critical Perspective(D) Reaction or Revolution: A Re-Examination of the American Rebels’ Motives(E) Democracy In Action: The Legacy of the American Revolution