2013 AP Microeconomics微观经济真题Practice Exam系列之选择题免费下载

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2013 AP Microeconomics Practice Exam Multiple Choice Questions Free Download

2013 AP 微观经济模考选择题部分免费下载

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1）After graduating from high school, Maria chose to go to college, while Omar chose to work full-time. Which of the following best describes the opportunity costs for these decisions?

1. Maria’s opportunity cost includes the salary she could have earned if she had gone to work.
2. Maria’s opportunity cost is her living expenses while attending college.
3. Omar’s opportunity cost is the salary he will earn from working.
4. Omar’s opportunity cost is the tuition and expenses he would have paid for college.
5. Omar’s opportunity cost is definitely greater than Maria’s.

7）Which of the following is true of the marginal cost curve?

1. It intersects the average variable cost curveand the average total cost curve at each curve’s minimum point.
2. It intersects the average variable cost curve and the average fixed cost curve at each curve’s minimum point.
3. It lies between the total cost curve and the total variable cost curve.
4. It increases initially, for a time, but begins to decline when the point of diminishing returns is reached.
5. It decreases, because average variable cost isless than marginal cost.

17）If cotton is used to produce towels, an increase in the price of cotton will result in which of the following changes in the towel market?

1. A decrease in the demand for towels, which leads to a shortage of towels followed by upward pressure on the price of towels
2. A decrease in the demand for towels, which leads to a surplus of towels followed by downward pressure on the price of towels
3. A decrease in the supply of towels, which leads to a shortage of towels followed by upward pressure on the price of towels
4. An increase in the supply of towels, which leads to a surplus of towels followed by downward pressure on the price of towels
5. An increase in both the demand and supply of towels, which leads to a surplus of towels followed by upward pressure on the price of towels