单选题:It didn't come as a big surprise________the flight was going 题目分类:公共英语二级 题目类型:单选题 查看权限:VIP 题目内容: It didn't come as a big surprise________the flight was going to be delayed. A.what B.which C.how D.that 参考答案: 答案解析:
两座高层民用建筑相邻较高一面外墙为防火墙时,其防火间距( )。 两座高层民用建筑相邻较高一面外墙为防火墙时,其防火间距( )。A.不宜小于4m B.不宜小于3.5m C.不宜小于2m D.可不限 分类:公共英语二级 题型:单选题 查看答案