单选：环形跑道长400米，老张、小王、小刘从同一地点同向出发，围绕跑道分别慢走、跑步和骑自行车。已知三人的速度分别是1米/秒、3米/秒和6米/秒，

题目分类：公务员知识
题目类型：单选
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题目内容：

环形跑道长400米，老张、小王、小刘从同一地点同向出发，围绕跑道分别慢走、跑步和骑自行车。已知三人的速度分别是1米/秒、3米/秒和6米/秒，问小王第3次超越老张时，小刘已经超越了小王多少次？
A．3
B．4
C．5
D．6

参考答案：

答案解析：

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