禁止与磺胺药物同时用的是
A.利多卡因B.普鲁卡因C.丁卡因D.布比卡因E.丙胺卡因
参考答案:B
____ they decide which college to go to, students should research the admission procedures.
A.Once
B.While
C.Until
D.As
低压的汞蒸气弧光放电灯是指( )。
A.卤钨灯
B.日光灯
C.水银灯
D.高压水银灯