报刊记者站未通过年度核验的,由哪个单位注销登记?()
A.批准机关
B.登记机关
C.报刊出版单位
D.主管主办单位
参考答案:B
— Spacecraft “Discovery” has failed in the course of launch.
— _______? They have been preparing for the test.
A.How come
B.When
C.How
D.Why not
综合调度的作用是什么?