当比较的两组数据内部构成不同时,可作()
A.直接法标化
B.间接法标化
C.根据具体情况,选择直接法或间接法标化
D.两组不可比较
E.以上都不对
参考答案:C
The influence of this book might not have been reaching so far, ________for Mr. William, who dared to publish it.
A.if had it not been
B.is it not being
C.had it not been
D.its only having been
碘量法测定复方碘口服液中碘含量的计算式
A.不溶性微粒B.酸值与皂化值C.溶出度检查D.融变时限检查E.溶化性检查