问题
单项选择题
Questions refer to the following graph.
For each of the years shown, the average cost per mile of operating a compact car minus the average cost per mile of operating a subcompact car was between
AVERAGE COSTSOF OPERATING SUBCOMPACT, COMPACT, AND MIDSIZECARS IN THE UNITED STATES, 1982～1986
答案
参考答案：D
解析： 从图中可以看出微型汽车的平均每英里成本从1982年到1986年呈逐年增加之势，而小型汽车的成本则在0.45美元附近，他们之间的差值在1982年最大，大约为0.12美元，在1984或1985年最小，大约为0.06美元。