糖尿病酮症酸中毒患者，小剂量胰岛素静脉滴注及生理盐水大量输液最常见的副作用是（）
A.脑水肿
B.低血钠
C.低血糖
D.低血钙
E.低血钾
参考答案：E
After studying in America for seven years, Lily’s brother ______ his job as a doctor in Japan.
A．took up
B．took over
C．took in
D．took on
精液pH测定应在射精后多长时间内完成()
A．0.5h
B．1h
C．1.5h
D．2h
E．3h
