题目

四川省乐山市2011届高三第二次调研考试 --- Bob feels really sorry, Jean.     ---         I wouldn’t accept his excuses unless he takes back what he said.        A．What for? B．So what?  C．No doubt. D．No wonder. 答案：C某县人口普查以“万”作单位，用四舍五入法统计约是45万，这个县实际人口最多可能是（ ）A．445000 B．449999 C．454999