修路队要修一条长多2多米的公路，已经修了s天，平均每天修多多米，余下的要多天修完

She ______out with her friends last Saturday night.[ ]

A. hang

B. hung

C. hanged

D. hanging

His efforts to raise money for his program were ______ because, no one showed any intention to take a cent out of their pockets.

A．in place

B．in sight

C．in effect

D．in vain

下述各项工程成本费用中，属于固定成本的是()。

A.临时员工的工资、奖金

B.管理人员的工资、奖金

C.周转材料的月租费

D.机构设备的月租费

E.临时设施摊销费

差异性目标市场战略

（）不是希腊体育思想家

A.尤维纳利斯

B.苏格拉底

C.柏拉图

D.亚里士多德