衡量联系强度的指标可选用（）。
A.率差
B.率比
C.患病率
D.χ2
E.人群归因危险度
参考答案：A, B, E
—Are all the titles of the articles in the contents?
—Yes, all .
A．listed; included
B．listing; includes
C．listed; including
D．being listed; being included
用寒远寒，用热远热，属于：（ ）
A．因病制宜
B．因地制宜
C．因人制宜
D．因时制宜
E．因证制宜
