药液浓缩的手段不包括（）
A.薄膜蒸发
B.减压蒸发
C.超滤
D.冷冻
E.反渗透
参考答案：D
The local police said they had received reports of seven cases of murder, which caused_____ among the
locals.[ ]
A. panic
B. dilemma
C. settlement
D. coincidence
应用局部局部冷水浴法治疗时，首次浸入时间应为（）。
A.1～2min
B.30～60m
C.15～30s
D.10～15s
E.2～3s
