注射剂中热原污染的途径不包括()
A.溶剂带入
B.原辅料带入
C.外包装材料带入
D.使用过程中带入
E.配制过程中带入
参考答案:C
The most widely accepted theory about the beginning of drama is based on the concept ______ drama evolved from ritual.
A.which
B.that
C.when
D.as
供电线、回流线肩架施工允许偏差为()mm。
A.+20
B.+30
C.+40
D.+50