EDTA滴定0.01mol/L金属离子的可行性界限是( )。
A．lgk'稳＜8
B．lgk'稳≥8
C．lgk'稳≥9
D．lgk'稳≤9
参考答案：B
As a youngster, there was nothing I liked ______ Sunday afternoons at my grandfather's farm in
western Pennsylvania.[ ]
A. other than
B. fewer than
C. rather than
D. better than
事件表是用来记录有关信息系统需求关键信息的比较方便的方法。
