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【简答题】
计算机的软件系统,分两大部分,即( )和( )。
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举一反三
【单选题】If the utility for two goods "x" and "y" is measured as U = x + y, then it can be concluded that
A.
"x" and "y" are perfect substitutes.
B.
"x" and "y" are perfect complements.
C.
"x" and "y" are both bads.
D.
the indifference curves on the x,y graph will be upward sloping.
【单选题】If X and Y are complementary goods, a decrease in the price of X will result in______.
A.
an increase in the demand for Y
B.
a decrease in the demand of Y
C.
a decrease in the quantity demanded of X
D.
none of the above
【简答题】创业者应该关注自身的资产负债表和损益表,对()的重视等同于对企业生命线的重视。
【简答题】HDL 的主要功能是
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