¼«ÏÞ
Ìâ×éÒ»
Ò»¡¢Ñ¡ÔñÌâ
1£®£¨¸£½¨Ê¡ÏÃÃÅË«Ê®ÖÐѧ2011½ì¸ßÈý12ÔÂÔ¿¼ÌâÀí£©º¯Êý µÄÁãµãËùÔÚµÄÇø¼äÊÇ£¨ £©
£¨A£©£¨0£¬1£© £¨B£©£¨1£¬10£© £¨C£©£¨10£¬100£© £¨D£©£¨100£¬+∞£©
´ð°¸ B.
2. £¨¹ãÎ÷±±º£¶þÖÐ2011½ì¸ßÈý12ÔÂÔ¿¼ÊÔÌâÀí£©ÒÑÖªµÈ±ÈÊýÁÐ ÖУ¬¹«±È £¬ÇÒ
ΪÊýÁÐ µÄÇ° ÏîºÍ£¬Ôò µÈÓÚ