A:She studies better than you.
B:You study better than her.
C:Neither you nor she studies well.
D:Either you or she studies well.
下列关于溶液的说法不正确的是( )
一辆汽车沿平直公路以v0=10m/s匀速运动,忽然以加速度为2m/s2刹车,求汽车刹车后6s内的位移是多大?
跨经度最多的区域是( )