下列哪项不属于无性生殖 [ ]
A．用马铃薯快茎来繁殖
B．枣树周围地面上冒出许多枣树
C．用茎尖来繁殖植物体
D．将种子种下去，长出植物体
答案：D
–The love story between Mary and Peter went public..
--Well, that is why Mary’s parents were so awkward ___ the news. She is still a child..
A．at
B．with
C．for
D．against
车站值班员在办理接发临客作业时，重点把好（）。
A.人员关、机车关、车次关
B.车次关、计划关、车流关
C.车次关、停通关、方向关
D.方向关、时间关、命令关
