【简答题】行列式D中若某行(列)为0,则D=0. 行列式D中若任一行(列)不为0,则D≠0?
【判断题】交换行列式中两行(或两列)的位置,行列式的值不变号。()
【单选题】Steve isn’t as ______ as Kelly. He often makes mistakes in his writing.
【判断题】城市维护建设税以及教育费附加是以增值税、消费税、营业税为计税依据征收的税费。( )
【简答题】补全对话。 Charley: Come on, Steve. 1 Steve: Wait a moment. 2 Charley: OK. Steve: By the way, can we give my sister a ride home tonight? Charley: Sure. 3 Steve: Yes. She wants to take some pictures. Charle...
【单选题】在存在溢折价的情况下,下列有关债权投资中投资收益确认的表述正确的是( )
B.
投资收益=应收利息或应计利息-折价摊销(或+溢价的摊销)
C.
投资收益=应收利息或应计利息-溢价摊销(或+折价的摊销)
D.
投资收益=应收利息或应计利息-折价摊销(或-溢价的摊销)
【单选题】– Steve. We will take an examination in physics next week. --- Yes, but don’t work too hard. _______.