实行计划生育是女性公民的义务，与男性公民无关。
参考答案：错
---It’s more and more important to protect our earth.
----I think so. If everyone ______a contribution to it, our world will be more beautifu..
A．make
B．makes
C．will make
D．make
用SDH光通信传送线路纵联差动保护主要通信接口方式有（）。
A.2Mbit/s
B.4WE/M
C.64kbit/s
D.X.21
