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【简答题】
某厂商有两个工厂生产同一产品。第一个工厂生产函数为y1=min( ,x2),第二个工厂的生产函数为y2={min(2x3+x4,x5)}1/4{min(x6,2x7)}1/4,其中x1—x7是生产所需的7种可变生产要素。工厂1和工厂2还各自需要5单位和10单位某种固定要素x8,8种生产要素的价格分别为:w1=1,w2=4,w3=2,w4=2,w5=1,w6=1,w7=2,w8=2。求: (1)两个工厂对7种可变生产要素的条件要素需求函数及各自的成本函数。(2)该厂商的总成本函数。(上海交通大学2011研)
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举一反三
【单选题】三、完形填空 ( 20 分) How important is music? Many people usually think that listening to music is nice but not very 21 . It is often only thought to be entertainment, but not the first 22 for education. Thi...
A.
them
B.
him
C.
her
D.
it
【单选题】沿身体前后径所做的与地面的切面是
A.
水平面
B.
额状面
C.
矢状面
【单选题】三、完形填空 ( 20 分) How important is music? Many people usually think that listening to music is nice but not very 21 . It is often only thought to be entertainment, but not the first 22 for education. Thi...
A.
performs
B.
promises
C.
provides
D.
prepares
【单选题】三、完形填空(20分) How important is music? Many people usually think that listening to music is nice but not very 21 . It is often only thought to be entertainment, but not the first 22 for educat...
A.
In total
B.
In fact
C.
In the end
D.
In that case
【单选题】三、完形填空 ( 20 分) How important is music? Many people usually think that listening to music is nice but not very 21 . It is often only thought to be entertainment, but not the first 22 for education. Thi...
A.
ever
B.
still
C.
even
D.
also
【判断题】城市水资源系统包括水源系统、给水处理系统、配水系统、不同用户的用水系统、污水处理排放系统和防洪系统。判断对错
A.
正确
B.
错误
【单选题】下列关于甘露醇的叙述不正确的是:
A.
临床须静脉给药
B.
体内不被代谢
C.
不易通过毛细血管
D.
能提高血浆渗透压
E.
易被肾小管重吸收
【简答题】沿身体前后径所做的与地面垂直的(一切)平面,称为( )。
【单选题】沿身体前后径所做的与地面垂直的切面是
A.
水平面
B.
额状面
C.
矢状面
【多选题】城市给水系统的水源包括( )
A.
河水
B.
海水
C.
地下水
D.
中水
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