下列哪个药物属非麻醉性镇痛药
A.罗通定
B.阿法罗定
C.美沙酮
D.吗啡
E.哌替啶
参考答案:A
精液果糖正常为()
A.9.11~17.67mmol/L
B.9.8~17.67mmol/L
C.10.3~17.67mmol/L
D.8.3~17.67mmol/L
E.6.3~17.67mmol/L
The purpose of storm oil in a sea anchor is to().
A.weigh down the anchor
B.lubricate the anchor
C.repel dangerous fish
D.smooth the sea