【单选题】关于胰腺头部周围血管的解剖,正确的是
C.
胰头上方为肠系膜上动脉及肝动脉,后方为下腔静脉
D.
胰头上方为肠系膜上静脉及肝动脉,后方为下腔静脉
【单选题】寿眉是以菜茶茶树芽叶制成的白茶,外形比白牡丹瘦小,白毫(),叶(),香味较低,味较淡,汤色浅,叶底较粗硬。
【多选题】两列波发生了干涉现象,得到了干涉图样,则( )
B.
振动加强的质点的位移,有时会小于振动减弱的质点的位移
【判断题】Edward was known as the "Confessor" because of his reputation for saintliness and he established the Westminster Abbey.
【单选题】______ was known as “the father of the British navy”。