—_____ the twins wearing the same clothes? [ ]
A. Is
B. Are
C. Do
D. Does
答案:B
尿毒症病人常见的水、电解质和酸碱失衡为
A.高血钠B.低血镁C.高钙低磷D.脱水和水肿E.碱中毒
心烦不寐患者,脉象多见()
A.滑
B.促
C.弦
D.涩
E.数