A:The plant has some leaves.
B:The plant has some flowers.
C:I am going to invent a flying bike
明嘉靖时期,江苏巡抚曹时聘的奏疏中提到说:“吴民生齿最繁,恒产绝少,家杼轴而户纂组。机户出资,机工出力,相依为命久矣。”据此回答各小题。
设全集U=a,b,c,d,e,集合M=a,b,c,N=b,d,e,那么CUM∩CUN是( )