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
