图中,甲是桃花结构模式图,图乙是桃的果实结构图,请据图分析回答下列问题:
新年联欢会上,小明在演出前调节二胡弦的松紧程度,他是在调( )
—Why are you so happy today?—Because I to London with my parents tomorrow.
药物说明书上印有“批号为050601”,其含义为()