控制人口過快增長的關鍵是

A.晚婚                                                                                B.晚育

C.少生                                                                                D.優生

控制人口過快增長的關鍵是

1. A.
   晚婚
2. B.
   晚育
3. C.
   少生
4. D.
   優生

控制人口過快增長的關鍵是

A.晚婚                                                                                B.晚育

C.少生                                                                                D.優生

控制人口過快增長的關鍵是

A．晚婚          B．晚育           C．少生           D．優生

控制人口過快增長的關鍵是

A、晚婚             B、少生            C、優生            D、晚育