—How about going out for a walk?
—Sorry. I prefer_________ at home rather than ___________ out for a walk.
A:to stay; go
B:to stay; going
C:staying ; go
D:staying; to go
下图是僧人、道士和儒者在少林寺同台打坐,在别处实为少见,意味深长。从图中可以得出的信息有( )
如图所示,三个等势面上有a、b、c、d四点,若将一正电荷由c经a移到d点,电场力做正功W1;若由c经b移到d点,电场力做正功W2,则W1与W2,c、d两点电势φc、φd关系为( )
已知点M(4,﹣1),点P是直线l:y=2x+3上的任一点,则|PM|最小值为____