your parents at home last week?[ ]
A. Is
B. Was
C. Are
D. Were
答案：D
急性肾炎2周，血压160/100mmHg，尿红细胞散在、满视野。首先选用（）
A.降压对症治疗
B.泼尼松
C.应用止血药物治疗
D.抗炎治疗应抗菌药物
E.中药治疗
世界上第一艘蒸汽动力船舶是何时出现的？
