二次骨化中心的结构是 A.软骨 B.松质骨 C.密质骨 D.结缔组织 E.皮质骨 发布时间:2018-04-29 11:12 │ 来源:www.tikuol.com 题型:单项选择题 问题: 二次骨化中心的结构是A.软骨B.松质骨C.密质骨D.结缔组织E.皮质骨
题型:单项选择题 ---Excuse me, would you please tell me ________? ---Certainly. Go straight along here. It's next to a hospital. [ ]A. how we can get to the post office B. how can we get to the post office C. how get to the post office D. how could we get to the post office 查看答案
题型:单项选择题 缔约过失责任与违约责任的区别主要表现为( )A.前者产生于订立合同阶段,后者产生于履行合同阶段B.前者须主观故意,后者须主观过失C.前者是侵权责任,后者是合同责任D.前者无须约定,后者须有约定 查看答案