妊高征的基本病理变化是
A.高血压B.蛋白尿C.全身小动脉痉挛D.肾小球滤过率降低E.血液黏稠度增加
参考答案:C
Thousands of people after the powerful earthquake happened in Japan on March 11th.
A saved B was saved C were saved D has saved
无向图中一个顶点的度是指图中()。
A.通过该顶点的简单路径数
B.通过该顶点的回路数
C.与该顶点相邻的顶点数
D.与该顶点连通的顶点数