根据题意得:1-x≥0,解得:x≤1.
故选C.
There are so many people in the shop. You must your things. [ ]
A. look at
B. look after
C. put away
D. put on
心脏不良反应发生率最高的抗精神病药是()
A.氯丙嗪
B.氟哌啶醇
C.三氟拉嗪
D.甲硫达嗪
E.泰尔登