— There are 28 or 29 days. Which month is it?
— _____.[ ]
A. January
B. February
C. May
答案:B
膀胱是形成尿液的主要器官.…______.
使用药物氢氯噻嗪降压治疗的过程中,应尤其注意观察
A.心率B.血压C.血钠D.血钾E.肾功能