文章大意：这是一篇说明文。文章主要介绍了日本车管所公路铁路巴士被宣传为“世界上第一辆可操作的双模式车辆”，实际上是一系列改善农村铁路服务的类似实验中最新的一个。早在20世纪30年代，类似的车辆就在英国和西德进行了测试。
7 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
Imagine a vehicle that can pick you up outside your home, drive to the nearest railway line, and change itself into a train. It may sound like a story from “Thomas the Tank Engine,” 1 that’s exactly what Japan’s DMV Road-Rail buses have been doing since they 2 (launch) on Christmas Day 2021.
With a capacity of 23, the DMV is a diesel-powered (柴油驱动的) bus fitted with a set of retractable (可缩进的) rail wheels 3 can be put in place in about 15 seconds. Lighter than a traditional train, the DMV also consumes less fuel and is 4 (cheap) to maintain.
5 (advertise) as “the world’s first operational dual-mode vehicle,” it is actually the latest in a long series of similar experiments 6 (improve) rural rail services. As far back as the 1930s, similar vehicles 7 the DMV were tested in England and West Germany.
Tokushima government hopes that the DMV buses 8 (become) a tourist draw in their own right. It also believes that the vehicles could also be useful for reaching isolated communities in the event of natural 9 (disaster) such as earthquakes, which can leave sections of roads or railway lines 10 (usable).
