AMC 8 2001 Problem 19
AMC8 2001 年第 19 题
行程问题★★★☆☆
Car M traveled at a constant speed for a given time. This is shown by the dashed line. Car N traveled at twice the speed for the same distance. If Car M and Car N's speed and time are shown as solid line, which graph illustrates this?
汽车 M 在给定的时间内以恒定的速度行驶，其速度和时间曲线用虚线所示。汽车 N 以两倍的速度行驶了相同的距离。如果 N 车的速度和时间曲线用实线表示，则下面哪张图表说明了这一点？ Problem 20 Kaleana shows her test score to Quay, Marty and Shana, but the others keep theirs hidden. Quay thinks, "At least two of us have the same score." Marty thinks, "I didn't get the lowest score." Shana thinks, "I didn't get the highest score." List the scores from lowest to highest for Marty (M), Quay (Q) and Shana (S). Kaleana 向 Quay，Marty 和 Shana 展示了自己的考试成绩，但其他三人都隐藏了自己的成绩。 Quay 认为："我们中至少有两个人有相同的分数。"Marty 认为："我没有得到最低的分数。" Shana 认为： "我没有得到最高的分数。"请按从最低到最高的次序将 Marty（M）、Quay（Q）和 Shana（S）的分数列出来。
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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