波分系统应用时应考虑色散距离，这里的距离应该是（）
A.相邻站点光缆距离
B.整个组网的距离
C.电再生段距离
D.电复用段距离
参考答案：C
—What do you think of the lecture of Li Yang s Crazy English?
—I think it's_________，but someone thinks it's much too _______.
A．wonderful enough; bored
B．enough wonderful; boring
C．wonderful enough; boring
D．enough wonderful; bored
类比
