偏心受压构件破坏始于混凝土压碎者为(    )。    A．受压破坏    B．大偏心受压破坏    C．受拉破坏    D．界限破坏

The design feature of [填空1] means that human languages ...

问答题The design feature of [填空1] means that human languages enable their users to refer to objects, events and concepts which are not present (in time and space) at the moment of communication.

A、正确 B、错误

单项选择题
A、正确
B、错误

【单选题】下列哪种元素不是以国家命名的（）A．Fr B．Am C．Ge D．Ag

单项选择题【单选题】下列哪种元素不是以国家命名的（）