【单选题】After so many years' endeavours, his contribution to the company was______ with a promotion.
【判断题】一对外啮合的圆柱斜齿轮用于平行轴传动时,两轮的螺旋角应相等,旋向应相反。
【单选题】After ________in the research for so many years,the scientist succeeded in finding the result at last.
【简答题】American women were ________ the right to vote until 1920 after many years of hard struggle. A) ignored B) neglected C) refused D) denied
【判断题】如果需求曲线向右下方倾斜,则供给曲线向右移动提高均衡价格和均衡数量。
【单选题】After so many years of war, there was a great _________ for peace between the two countries.
【多选题】下列各项中,属于政府主体资产的有( )。(2018年)