AMC 8 1994 Problem 18
AMC8 1994 年第 18 题
行程问题★★★☆☆
Problem Mike leaves home and drives slowly east through city traffic. When he reaches the highway he drives east more rapidly until he reaches the shopping mall where he stops. He shops at the mall for an hour. Mike returns home by the same route as he came, driving west rapidly along the highway and then slowly through city traffic. Each graph shows the distance from home on the vertical axis versus the time elapsed since leaving home on the horizontal axis. Which graph is the best representation of Mike's trip?
离开家，在城市交通中向东缓慢行驶。当他到达高速公路上时，他更快速地向东行驶，直到到达购物中心并停下来。他在购物中心购物一小时。Mike 按原路返回，沿高速公路快速向西行驶，然后缓慢通过城市交通到达家。每个图表的纵轴表示离家距离，横轴表示离家后经过的时间。哪张图能最好地表示 Mike 的行程？
正确答案 · Correct Answer
B
解析 · Solution
解析整理中
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