根据CCITT的规定，国际网的信令点编码为（）位
A.12
B.14
C.16
D.24
参考答案：B
The peace talk is an important development on the peace process, _____ we have all been waiting
for a long time . [ ]
A . one
B. what
C. it
D. that
A．若电流表示数有显著变化，K应按a
B．若电流表示数有显著变化，K应按b
C．若电压表示数有显著变化，K应按a
D．若电压表示数有显著变化，K应按b
