依据我国现行法规,可跨省签转的社会保险是()。
A.养老险、医疗险
B.失业险、工伤险
C.生育险
D.公积金
参考答案:A
A.使v0增大1倍
B.使板间电压U减半
C.使v0和U同时减半
D.初速度增为2v0,同时使板间距离增加d/2
As a surgeon, I cannot any mistakes; it would be dangerous for the patient.
A.appreciate
B.remove
C.offer
D.afford