列哪种保藏技术是经过降低食品的水分活性来达到防止食品腐败变质的()A.腌渍保藏 B. 发布时间:2018-05-26 03:32 │ 来源:www.tikuol.com 题型:单项选择题 问题: 列哪种保藏技术是经过降低食品的水分活性来达到防止食品腐败变质的()A.腌渍保藏B.烟熏保藏C.辐照保藏D.高压保藏
题型:单项选择题 —How long have you _____ the dictionary? — For two weeks. [ ]A. had B. bought C. got D. borrowed 查看答案
题型:单项选择题 As many five courses are provided, and you are free to choose ______ suits you best.[ ]A. whateverB. whichever C. wheneverD. wherever 查看答案