餐饮业经营者应实施采购索证索票和进货验收记录制度的食品种类不包括:()。
A、食品及食品原料
B、餐桌椅
C、食品添加剂
D、食品相关产品(集中消毒企业供应的餐饮具等)
参考答案:B
There are so many CDs that I don't know ______. [ ]
A. to buy which one
B. which to buy one
C. which one to buy
D. to buy one which
吸水纸压干干燥法常用于以下()类型修补后的纸质档案干燥。
A、补缺
B、溜口
C、加边
D、接后背