()是衡量电源将其他能量转换为电能的本领大小的物理量。
A、电流
B、电压
C、电动势
D、电功率
参考答案:C
正常产后1天,诉下腹阵痛,汗多,低热。检查:体温37.5℃,宫底平脐,无压痛;会阴切口无红肿,恶露鲜红,量多,腥味,双乳胀满。该产妇腹痛原因是()
A.子宫复旧不良
B.产褥感染
C.子宫内膜炎
D.产后宫缩痛
E.肠炎
You can hold a party in the garden ____ you clean it up afterwards. [ ]
A. as long as
B. even if
C. now that
D. as soon as