第3题: [单项选择]It can be inferred from the passage that a major interest of the officials of Glacier National Park is to ______ A. Iimit land development around the park B. establish a new park in Montana C. influence national legislation D. settle border disputes with Canada 参考答案:A 答案解析:文章第二段“A draft plan has been prepared,with objective of maintaining traditional economic uses but lim
第9题: [单项选择]从科学性角度看,保险费率厘定和保险准备金提取的依据是()。 A. 国家管理的要求 B. 社会的平均利润 C. 经济效益的核算 D. 科学的数理计算 参考答案:D 答案解析:保险精算以概率论的大数法则为基本原理。保险精算还遵循收支相等原则。因此,保险费率厘定和保险准备金提取的依据是科学的数理计算。