【简答题】A.He doesn't understand his staff. B.His computer doesn't work properly. C.He doesn't know how to apply computer theory. D.He is trouble to add the figures.
【多选题】霍金的科学贡献包括( )。
D.
试图把广义相对论和量子理论合并成完备的统一理论
【单选题】关于电力系统事故备用容量的分配,下列表述中( )不正确。
B.
调节性能好和靠近负荷中心的水电站(尤其是蓄水式水电站)可担负较大事故备用容量
D.
承担事故备用容量的各类电源,均应具有相应的能量或燃料储备
【简答题】A.He doesn't understand his staff. B.His computer doesn't work properly. C.He doesn't know how to apply computer theory. D.He is unable to add the figures.
【判断题】对于农产品,农民可以通过降价实现总收入的增加