酮尿可见于()。
A.未控制的糖尿病
B.运动
C.寒冷
D.饥饿
E.呕吐
参考答案:A, B, C, D, E
如图所示四幅电场线图,一正电荷在电场中由P到N做加速运动且加速度越来越大,则它应该是在哪个图示电场中运动 ( )
When the adjacency list method is used to store a graph,Which of the statements is(are) true( ) Ⅰ.The space required depends on the number of vertices Ⅱ.The space required depends on the number of edges
A.ⅠandⅡ
B.Ⅰ only
C.Ⅱonly
D.None