【题目】空缺只能的最佳词汇是
[A] behind.
[B] toward.
[C] beyond.
[D] among.
①②③④⑤⑥⑦⑧⑨⑩⑪⑫⑬⑭⑮⑯⑰⑱⑲⑳ — 艾伦•吉尔伯特
【试题】
①Have you ever waited for you bus at a bus stop for a very long time — only to be greeted by two or more buses arriving together? ②This phenomenon, know as “bus bunching”, is a problem that bus transit systems around the world have been trying to solve for decades. ③During this time, researchers have used mathematical models to study the behavior of bus transit systems to better understand why this happens. ④The mathematics identify what causes this problem — and also suggests that bus-tracking technology can be combined with simple control algorithms to improve the situation. ⑤ Bunching is annoying for riders, since it increases both the average time spent waiting for the bus and the the variability in this waiting time. ⑥Long waits by bunching can also cause people to shift away from buses _______ other, less sustainable modes of transportation.
【参考译文】
①Have you ever waited for you bus at a bus stop for a very long time — only to be greeted by two or more buses arriving together? 你有没有遇到过在公交车站等车很久却等不来，到最后来就来两辆甚至很多辆？②This phenomenon, know as “bus bunching”, is a problem that bus transit systems around the world have been trying to solve for decades. 这一现象被称作“公交串车”，数十年来，世界各地的公交运输系统都在尝试解决这个问题。③During his time, researchers have used mathematical models to study the behavior of bus transit systems to better understand why this happens. 在这几十年里，研究人员应用了数学模型，分析公交系统的运行方式，从而更好的理解为什么会出现这样的情况。④The mathematics identify what causes this problem — and also suggests that bus-tracking technology can be combined with simple control algorithms to improve the situation. 数学运算找出了问题的结症所在 —— 而且让人们想到可以用公交追踪技术结合简单的控制算法来改善这种情况。⑤ Bunching is annoying for riders, since it increases both the average time spent waiting for the bus and the the variability in this waiting time. 串车让乘客们恼火不已，因为它既增加了等公交花费的平均时间，也增加了等待期间不确定性。⑥Long waits by bunching can also cause people to shift away from buses toward other, less sustainable modes of transportation. 由串车引起的漫长等待还会让人们放弃公交，转向其他不那么可持续的交通方式。
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