电场力在一段时间内所做的功称为()
A.电功率
B.电能
C.电功
参考答案:B
May I have a rest? I have already finished _______ the report. [ ]
A. write
B. writing
C. to write
D. written
出现脓尿和菌尿的疾病是()
A.溶血性黄疸
B.肝细胞性黄疸
C.急性肾小球肾炎
D.泌尿系结石
E.膀胱炎