系统向用户提供的无功功率越小，用户电压就（）。
A.越合乎标准；
B.无变化；
C.越高；
D.越低。
参考答案：D
—What do you want to do next? We have half an hour until the basketball game.
— . Whatever you want to do is fine with me.
A. It just depends
B. It's up to you
C. All right
D. Glad to hear that
注射剂配伍所发生的物理化学变化，不包括（）
A.变色
B.沉淀
C.分层
D.升华
E.水解
