【简答题】降低水分活度可以提高食品稳定性的原因,请选出下列不正确的答案( )A. 降低水分活度可使食品中自由水的比例减小 B. 降低水分活度可抑制食品中的离子反应 C. 降低水分活度可直接杀死食品中的微生物 D. 降低水分活度可以抑制食品中酶的活力
【判断题】人类历史上最早拥有城市规划的城市是摩亨佐·达罗。
【判断题】D/A转换器可以用作数字系统和模拟系统之间的接口电路。()
【单选题】某药品批发企业,益母草膏在仓库中有4个批号,分别是20151210有40盒、20150721有80盒、20160207有80盒、20160524有30盒,要给M客户配货30盒益母草膏,应怎样拣出?
【简答题】Hello, I’m Liu Xing. This is a photo of my family. The woman in the photo is my mother, Liu Mei. She is a nurse (护士) and she is very kind (善良). The man is my father, Xia Donghai. He is always happy. B...
【单选题】听力原文:M: You can put the article on the front page without a photo or print it, with the photo, on page five. It is up to you really. W: I'd prefer to put it on the front page with a photo. Where do yo...
【判断题】雌、雄同体现象,即在同一鱼体的性腺中同时存在卵巢和精巢组织。()
【单选题】Is your photo in the desk? ________.
【单选题】降低水分活度可以提高食品稳定性的原因,请选出下列不正确的答案( )