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【单选题】
常用于标定盐酸的基准物质是( )A.
邻苯二甲酸酸氢钾
B.
氯化钠
C.
无水碳酸钠或硼砂
D.
氢氧化钠
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举一反三
【简答题】亟请于武公。(左传.隐公元年)
【单选题】The magnitude of the slope of the budget line
A.
is defined as marginal rate of substitution.
B.
equals the relative price of the good measured along the horizontal axis.
C.
increases when income increases.
D.
decreases when income increases.
【单选题】When measured along a linear downward-sloping demand curve, the price elasticity:
A.
remains constant and is greater than one.
B.
remains constant and is less than one.
C.
increases in absolute value from left to right.
D.
decreases in absolute value from left to right.
【简答题】亟请于武公。 亟：
【单选题】When moving along the production possibilities frontier, opportunity cost is measured as the (当沿着生产可能性的前沿移动时,机会成本被测量为——中文由在线翻译而来,仅供参考)
A.
increase in the quantity produced of one good divided by the decrease in the quantity produced of another good.增加一件商品的数量除以另一种商品的数量减少。
B.
decrease in the quantity produced of one good divided by the increase in the quantity produced of another good.减少一件商品的数量除以另一种商品的数量增加。
C.
quantity produced of one good divided by the quantity produced of another good.一个产品的数量除以另一个商品的数量产生。
D.
quantity produced of one good multiplied by the quantity produced of another good.一个产品的数量乘以另一个商品的数量。
【单选题】The magnitude of the slope of an indifference curve
A.
is equal to the marginal rate of substitution.
B.
always equals the relative price of the product measured along the horizontal axis.
C.
increases as income increases.
D.
decreases when income increases.
【简答题】企业在制定目标市场营销策略时，通常有如下选择：______、______和______。
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