【单选题】(4)企业上月固定资产折旧额为50,000元,上月新增一项固定资产折旧额为2,500元,本月新增一项固定资产折旧额为3,000元,上月减少一项固定资产折旧额4,000元,则该企业本月固定资产折旧额为( )元。
【简答题】牛顿以天体之间普遍存在着引力为依据,运用严密的逻辑推理,建立了万有引力定律。在创建万有引力定律的过程中,牛顿( ) (A)接受了胡克等科学家关于“吸引力与两中心距离的平方成反比”的猜想 (B)根据地球上一切物体都以相同加速度下落的事实,得出物体受地球的引力与其质量成正比,即Fμm的结论 (C)根据Fμm和牛顿第三定律,分析了地月间的引力关系,进而得出Fμm1m2 (D)根据大量实验数据得出了比例系...
【多选题】库仑力和万有引力有诸多相似,以下关于两种力之间的比较正确的是( )
C.
库仑力和万有引力做功都与过程无关,只与初始状态和结束状态有关
【单选题】Blood sports have become a hot topic for debate in recent years. As society develops it is increasingly seen as an uncivilized activity and cruel to the helpless animals that are killed. All blood spo...
【单选题】最先验证万有引力定律的事件与以下哪个天体有关
【单选题】人细胞中除核之外含有遗传物质DNA的细胞器是
【简答题】As society develops, man tends to become less _______ on nature directly, while indirectly his dependence grows.
【单选题】下面关于牛顿万有引力定律说法错误的是()
【简答题】“Blood sports have become a hot topic for debate in recent years. As society develops it is increasingly seen as an uncivilized activity and cruel to the helpless animals that are killed. Blood sports...