单选题:【场景】 某公路山岭隧道,长度为2000m;穿越的岩层主要是坚硬岩,岩体较完整,块状或厚层状结构;采用新奥法钻爆施工。两 题目分类:公路工程管理与实务 题目类型:单选题 查看权限:VIP 题目内容: 【场景】 某公路山岭隧道,长度为2000m;穿越的岩层主要是坚硬岩,岩体较完整,块状或厚层状结构;采用新奥法钻爆施工。两洞口处由于岩层较破碎设有明洞,进口明洞长lOm,出口明洞长8m;两洞门采用端墙式洞门。根据此案例场景,回答下列问题:该隧道的围岩分级主要是( )。 A.Ⅱ B.Ⅲ C.IV D.V 参考答案: 答案解析:
No fasteners will be used in building A3XX because all compo No fasteners will be used in building A3XX because all components will be welded 分类:公路工程管理与实务 题型:单选题 查看答案
The coral island nations of the Pacific have a long history The coral island nations of the Pacific have a long history of civilization.A.Ri 分类:公路工程管理与实务 题型:单选题 查看答案
根据下列文章,请回答题。The Threat to KiribatiThe people of Kiribati are 根据下列文章,请回答题。The Threat to KiribatiThe people of Kiribati are afraid that one day 分类:公路工程管理与实务 题型:单选题 查看答案
Rescue vehicles had a hard time getting to people. Rescue vehicles had a hard time getting to people.A.Right B.Wrong C.Not mentione 分类:公路工程管理与实务 题型:单选题 查看答案