该病在病理上届于
A.小头畸形
B.先天性颅骨缺损
C.鼻骨发育不良
D.显性颅裂
E.隐性颅裂
参考答案:D
Wearing blue or sleeping in a blue room good for our .
A.are, healthy
B.is, health
C.are, health
D.is ,healthy
A.两条磁感线不可以相交
B.磁感线是磁场中实际存在的线
C.磁感线总是从N极出发,到S极终止
D.磁感线可以相切