为了减少手术区创面出血,常在局麻药中加入一定浓度的
A.酚磺乙胺
B.卡巴克洛
C.肾上腺素
D.去甲肾上腺素
E.异丙基肾上腺素
参考答案:C
_____ was expected, he failed in the exam.
A.That
B.As
C.Which
D.It
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