肝肠循环较多的是()
A.地高辛
B.洋地黄毒苷
C.毒毛花苷K
D.毛花苷C
E.去乙酰毛花苷C
参考答案:B
—Would you like some drinks, boys?
—Yes, ______ please. [ ]
A. some oranges
B. two boxes of chocolates
C. some cakes
D. two bottles of orange
若邻接表中的有奇数个表结点,则一定()
A.图中有奇数个顶点
B.图中有偶数个顶点
C.图为无向图
D.图为有向图