When a typist gets tired, ______.
A.she has to try hard to raise her automatic
B.she can type only automatically
C.she cannot think about what she is doing
D.she can seldom type automatically
第9题
下列药物中不可以用非水碱量法测定含量的是
A.对乙酰氨基酚
B.盐酸氯丙嗪
C.地西泮
D.硫酸阿托品
E.维生素B1
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