题目

下列物品所使用的主要材料为有机合成材料的是                       A．青花瓷瓶      B．纯棉被单        C．腈纶运动衣       D.不锈钢餐具 答案：CI miss my daughter very much because she ___ from Chongqing for about a year.A. leftB. was awayC. has leftD. has been away