Ò»¡¢Ñ¡ÔñÌ⣺±¾Ìâ¹²8СÌ⣬ÿСÌâ5·Ö£¬¹²40·Ö¡£ÔÚÿСÌâ¸ø³öµÄËĸöÑ¡ÏîÖУ¬Ö»ÓÐÒ»Ïî

ÊÇ·ûºÏÌâÄ¿ÒªÇóµÄ¡£

1.ÒÑ֪ȫ¼¯U={x∈N|0C_UB)= {1,2},C_U(A∪B)={5,6},B∩(C_UA)={4,7},ÔòA¼¯ºÏΪ

A.{1,2,4}           B.{1,2,7}     C.{1,2,3}                       D.{1,2,4,7}