EDTA滴定0、01mol/L金属离子的可行性界限是（）。
A、㏒k′＜8
B、㏒k′≥8
C、㏒k′≥9
D、㏒k′≤9
参考答案：B
体积压缩系数
Though all of us hate Chinese style road crossing, there are still ______ people crossing the road when traffic lights are red in Yancheng. It must be changed.
A．few
B．a few
C．little
D．a little
