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【单选题】
已知产量为500单位时,平均成本是2元,产量增加到550单位时,平均成本为2.5元,在这个产量变化的范围内,边际成本A.
随着产量的增加而上升,并在数值上大于平均成本
B.
随着产量的增加而上升,并在数值上小于平均成本
C.
随着产量的增加而下降,并在数值上小于平均成本
D.
随着产量的增加而下降,并在数值上大于平均成
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【简答题】李某系甲县农民，常年在乙县打工，某年李某在乘火车自乙县返家途中，于丙市境内被乘警查获其行李中有炸药、雷管等物品，遂被带下火车。随后，丙市铁路公安分局对李某处以拘留15天、罚款200元的处罚，李某不服，欲起诉，请问，他可以向以下哪个法院起诉?( ) A．甲县的人民法院 B．乙县的人民法院 C．丙市的人民法院 D．丙市铁路运输法院
【简答题】您可以先在浅水区练习。
【单选题】He usually plays _____ or _____ after work. [ ]
A.
guitar, the soccer
B.
the guitar, the soccer
C.
guitar, soccer
D.
the guitar, soccer
【单选题】I'll write to him _____． [ ]
A.
as soon as possible
B.
as soon as he can
C.
as quick as possible
D.
as quick as I can
【简答题】补全代码,使段落文字变成红色和粗体: p{ ___1___ : red; ___2___ : bold; text-decoration : none font-size : 16px; }
【单选题】A) He usually plays golf alone. B) Heoften plays golf with his employer. C) He is amember of a country golf club. D) Helikes to play golf very much.
A.
He usually plays golf alone.
B.
He often plays golf with his employer.
C.
He is amember of a country golf club.
D.
He likes to play golf very much.
【简答题】A. As long as B. As far as C. As soon as D. As well as
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【简答题】补全代码,使段落文字变成红色和粗体: p{ ___1___ : red; ___2___ : bold; text-decoration : none font-size : 16px; }
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