【简答题】在工程中,若作用于物体上的力系中的各力作用线在同一平面内,则该力系称为( )。
【单选题】听力原文: In a police station, an officer managed to get some fresh mushrooms. He was so happy that he agreed to share the mushrooms. When their breakfast arrived the next day, each officer found some mus...
A.
He was so pleased that he wanted to share the mushroom with it.
B.
The dog would enjoy the mushroom.
C.
He liked the dog very much.
D.
He was afraid of mushroom poisoning and wanted to test the mushroom by the dog.
【多选题】梁式桥的施工方法有______和______。
【简答题】预应力连续梁桥的施工方法有______、装配一整体施工、______、______和移动式模架逐孔施工。
【简答题】one day a police officer managed to get some fresh mushrooms( 蘑菇). he was so (1) what he had bought that he offered to(2 )the mushrooms with his brother officers. when their breakfast arrived the next...
【单选题】( )是客房部的主体,其主要职能是负责客房及楼层公共区域的服务与管理,为客人提供优质的客房产品。