处方中缩写为i．v．的中文含义（）
A.隔日一次
B.静脉注射
C.滴眼剂
D.眼膏剂
E.隔日一次静脉注射
参考答案：B
Bob, you can't go out to play with your friends until your homework
A．will finish
B．is finished
C．will be finished
D．has finished
这一部件使用寿命为多长？
