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【单选题】
客人抵店后,行李员为客人搬运行李时一般应走在客人( ),距客人2-3。A.
左前方，方便招呼客人
B.
右侧，与客平行方便交谈
C.
后方，以示对客人尊重
D.
左侧，与客平行方便交谈
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【单选题】Combination Price of Apples per Bushel in Dollars Quantity of Apples Purchased in Bushels A 9 3 B 7 4 C 5 6 D 4 8 E 2 10 The table demonstrates that:
A.
more apples are purchased at each and every price.
B.
more apples are purchased as the price declines.
C.
fewer apples are purchased as the price declines.
D.
fewer apples are purchased at each and every price.
【单选题】If output is produced according to Q = 4LK, the price of K is $10, and the price of L is$10, then the cost minimizing combination of K and L capable of producing 16 units of output is
A.
L = 4 and K = 1
B.
L = 2 and K = 2
C.
L = 1 and K = 1
D.
L = 8 and K = 8
【单选题】Joseph chooses a combination of apples and oranges along his budget line. The marginal rate of substitution of apples for oranges is 2, the price of an apple is $0.50, and the price of an orange is $1...
A.
is maximizing total utility.
B.
should consume more apples and fewer oranges to maximize total utility.
C.
should consume fewer apples and more oranges to maximize total utility.
D.
may or may not be maximizing total utility.
【简答题】国际化标准组织ISO在1984年正式颁布了 ,使计算机网络体系结构了标准化。
【单选题】Joseph chooses a combination of apples and oranges along his budget line. The marginal rate of substitution of apples for oranges is 2, the price of an apple is $0.50, and the price of an orange is $0...
A.
is maximizing total utility.
B.
should consume more apples and fewer oranges to maximize total utility.
C.
should consume fewer apples and more oranges to maximize total utility.
D.
may or may not be maximizing total utility.
【单选题】The price of Y is $10. According to the above figure, if the price of X is $5, what combination of X and Y will a utility-maximizing consumer choose?
A.
80 X , 20 Y
B.
120 X , 620 Y
C.
120 X , 250 Y
D.
200 X , 620 Y
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