钠离子选择电极对钾离子的选择性系数为0.002,则电极对钠离子的敏感性为钾离子的()
A.200倍
B.500倍
C.2000倍
D.5000倍
参考答案:B
This special school accepts all disabled students, educational level and background.
A.according to
B.regardless of
C.in addition to
D.in terms of