题目

某商场购进物品后，加价50%作为销售价。商场搞优惠促销，决定由顾客抽奖确定折扣，某顾客购买甲、乙两种商品，分别抽到八折和九折，共付款450元，两种商品原销售价之和为525元，两种商品的进价分别为多少元 答案：p;【答案】设甲、乙两种商品进价分别为x元、y元，根据题意，得-------------------------------1分：                                              ---------------------5分            化简得：                         ------------------------------------1分解得：             �Mother was worried because little Alice was ill, especially ________ father was away in France. A．as B．that C．during D．if