为明确诊断还需要进行的检查是
A.膀胱镜检查B.肾动脉造影C.磁共振检查D.CT和尿培养E.KUB及IVP
参考答案:E
神经细胞动作电位的去极相中,通透性最大的离子是()
A.K+
B.Na+
C.Cl-
D.Ca2+
E.Mg
Mary is one of the girls who _____ always on time.[ ]
a. is
b. am
c. are
d. was