【判断题】根据UCP600的规定,信用证上未明确注明可否撤销字样的,应视作为不可撤销信用证,未明确注明可否转让字样的应视作为不可转让信用证。( )
【单选题】肉类可以放在冰箱冷冻室中储藏较长时间,也可以通过腌制保存较长时间.这两种食品保存方法的共同之处是( )
【简答题】Linux操作系统和WindowsNT,NetWare等传统的操作系统的最大区别是______。
【多选题】People attend academic conferences for _________.
【单选题】Which one of the following is NOT the reason for a scholar to provide academic service?
A.
Academic service is a way to integrate into the world of science and technology.
B.
Academic service is a way to have an influence in international academic community.
C.
Academic service is paid much.
D.
Academic service proves that you play an important role in academic community.
【简答题】WindowsNT/2000安全模型主要由()、()、()和()构成。
【单选题】以下关于食品冷藏、冷冻贮存的做法,不符合规定的是:
B.
食品在冷藏、冷冻柜(库)存放时,应做到动物性食品、植物性食品和水产品分类摆放。
C.
冷藏、冷冻贮藏时,为确保食品中心温度,不得将食品堆积、挤压存放。