【简答题】请在规定时间内提交作业源文件和模型截图文件。
【单选题】All his plan for starting his own business fell ______
【单选题】(1994.III)设y=f(x)是微分方程 的解,且 ,则f(x)在(C)
【简答题】臂部是工业机器人用来支撑 和 ,实现较大运动范围的部件 。
【单选题】市场中的名牌价格一般均高于其他同类商品,这是一种( )定价策略。
【单选题】Mr. Clark is inclined ______ that his wife will accept his plan.