1£®(2011Ä곤°²Ò»ÖС¢¸ßÐÂÒ»ÖС¢½»´ó¸½ÖС¢Ê¦´ó¸½ÖС¢Î÷°²ÖÐѧ)ÒÑÖª¼¯ºÏA£½{x||x|≤2£¬x∈R}£¬B£½{x|≤2£¬x∈Z}£¬ÔòA∩B£½(¡¡¡¡)

A£®(0,2)¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡                  B£®[0,2]

C£®{0,2}                                               D£®{0,1,2}

´ð°¸£ºD

2£®(2010Äêºþ±±¸ß¿¼)É輯ºÏA£½{(x£¬y)|£«£½1}£¬B£½{(x£¬y)|y£½3^x}£¬ÔòA∩BµÄ×Ó¼¯µÄ¸öÊýÊÇ(¡¡¡¡)

A£®4¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡                          B£®3

C£®2                                                     D£®1

½âÎö£ºÔÚͬһ×ø±êϵÖУ¬×÷³ö¼¯ºÏA¡¢BËù±íʾµÄͼÐΣ¬ÔËÓÃͼÐÎÖªA∩Bº¬Á½¸öÔªËØ£¬¹²ÓÐ×Ó¼¯µÄ¸öÊýÊÇ2²£½4£¬¹ÊÑ¡A.