急性肾功能衰竭多尿期后期容易出现的水电解质酸碱失衡是
A．水中毒
B．酸中毒
C．低氯血症
D．低钾血症
E．高钙血症
参考答案：D
They have never been to Disneyland _____? [ ]
A. haven't they
B. have they
C. do they
D. have they
摩托车一般行驶（）km应进行一级维护。
A.500-2000
B.1000-4000
C.4000-5000
D.6000-10000
