我国专利申请的原则之一是 ( ) 。
A.申请在先
B.申请在先与使用在先相结合
C.使用在先
D.申请在先、使用在先或者二者结合
参考答案:A
(2013·辽宁五校一模)The little child ________ go out alone at night, so he ________ walk in the dark that night.
A.doesn't dare to; dared not to
B.daren't to; didn't dare to
C.daren't; dared not
D.doesn't dare to; dare not
乳痈热毒炽盛证最常用的方剂是()
A.瓜蒌牛蒡汤加减
B.牛蒡解肌汤加减
C.透脓散加减
D.橘叶散加减
E.开郁散加减