单选题:How these big stones were moved to the mountain tops remains 题目分类:成人英语三级 题目类型:单选题 查看权限:VIP 题目内容: How these big stones were moved to the mountain tops remains a________ , that is, nobody knows how. A.mystery B.Possibility C.responsibility D.faith 参考答案: 答案解析:
Linda________,has lived next door to me about 10 years, will Linda________,has lived next door to me about 10 years, will move to another cit 分类:成人英语三级 题型:单选题 查看答案
气体灭火系统按系统结构特点分为( )。 气体灭火系统按系统结构特点分为( )。A.管网灭火系统 B.全淹没灭火系统 C.预制灭火系统 D.局部应用灭火系统 E.外储压式灭火系统 分类:成人英语三级 题型:单选题 查看答案
柴油发电机房、直燃机房、锅炉房等不应布置在( )。 柴油发电机房、直燃机房、锅炉房等不应布置在( )。A.民用建筑首层 B.人员密集场所的上一层 C.人员密集场所的贴邻 D.人员密集场所的下一层 E.民用建筑下 分类:成人英语三级 题型:单选题 查看答案