—_____ do you have the music lesson?
—On Monday. [ ]
A. Where
B. Why
C. How
D. When
答案:D
湿热下注,扰动精室而致遗精的首选方为()
A.黄连清心饮
B.三才封髓丹
C.程氏革藓分清饮
D.知柏地黄丸
打捞井下落物时,常见哪几种工具?各有何特点?