【单选题】在科学史上,首次研究了科学认识的“归纳-演绎”程序及所遵循的方法,并在形式逻辑之上建立了科学方法论的哲学家、思想家的是
【判断题】古代时,每个朝代都出现过土地兼并现象。()
【单选题】原凭证始是在经济业务( )取得或填制的,用以记录或证明经济业务的发生或完成情况的书面证明。
【单选题】Between 1993 and 1995, 24 states implemented three ( ) laws. These laws responded to public frustration with the idea that states released repeat, violent offenders back on the streets too quickl...
【单选题】If you have trouble pronouncing these words, you can repeat them over and overagain ______ you are comfortable with them.
【单选题】下列选项中,( )由投标人自主确定,但其中安全文明施工费应按国家或省级、行业建设主管部门的规定确定。