【简答题】土木工程三要素包括(___)、施工设备与方法和(___)。
【判断题】已知某厂商的生产函数为Q=LK,劳动力的价格为2,资本的价格为1,则当成本为2000时,企业应投入250单位的劳动力、500单位的资本才能获得最大利润
【单选题】某企业的利润函数为 ,则 ____ 时,利润最大。
【简答题】既有铁路线路测量,就是对既有线路状况作详细地测绘与调查研究,为 及 的技术设计提供翔实的资料。
【单选题】We’re all greatly amused by _____ you’ve told us.
【单选题】We are greatly encouraged by ______ great expectation the people of all ethnic groups in China have of us, and we are aware that this is also ______ important responsibility for us.
【单选题】We're all ready to put it into operation. ______, we're going to take action as fast as possible.