尿药浓度()
A.与血液浓度直接相关
B.与血液浓度相关性差
C.通常变化较大
D.线性相关
E.与血液浓度相关性好
参考答案：B, C
公共行政的法治观
Dacron sails，when not in use，may be damaged if（）.
A.left in the sunlight
B.stowed wet
C.washed with soap
D.folded frequently
