71Buses can go where trains and airplanes cannot. It does not cost as much to travel by bu

71 Buses can go where trains and airplanes cannot. It does not cost as much to travel by bus. Even though buses may not move as fast as airplanes and trains, they sometimes take people between places faster. This is because they may travel a more direct way, or may leave more often, or at better times.
72 A small bus can carry only eight or ten people . A large one might have seats for 50 to 70 people and have standing room for more.
Thousands of yellow school buses carry millions of children to school every year. Most of these buses have seats placed quite close together to fit in as many children as possible. 73 Others pay to use buses that belong to bus companies.
City and town buses carry people for short distances . The seats of these are close together . 74 Most city buses have two doors so that people can get on and off quickly.
Long distance buses go from state to state or country to country . They give people the chance to travel across huge stretcdhes of land. These buses have comfortable seats that can be moved to different positions. They have places to store suitcases . Many have washrooms. 75 A．Buses come in different sizes. B．Students pay money to ride on the buses. C．Why do people in all countries ride in buses to school, to work and to far places?D．And there is standing room as well.E. How many kinds of buses are there?
F. Some schools buy their own buses.
G All these things are important on a long trip. C

(答案→)C 解析：文章主要讲述了公共汽车，介绍了人们使用公共汽车和它的优点并提到了公共汽车能带人长途旅行。【小题1】C 下文说Buses can go where trains and airplanes cannot.汽车能去火车和飞机不能去的地方。 所以第一句应是有关于“为什么”选择汽车的提问，故选C 为什么所有城市的人都乘公共汽车去学校去工作去远的地方？【小题2】A 第二段主要讲了不同的汽车的大小。所以第二段第一句应是关于“汽车不同类型”的总述，故选A 汽车有不同的大小。【小题3】F 由下文Others pay to use buses that belong to bus companies. 其他的出钱使用其他公司的汽车，可知，应填与“使用自己的”有关的 故选F 一些学校买他们自己的汽车。【小题4】D 由上下文可知，句意：这些座位都靠得很紧 所以车里应有空余的空间给站立的人 故选D 也有站立的空间。【小题5】G 由上下文可知，应填总结的话。 前文讲述的都是旅途中很重要的东西 故选G 这些东西在长途中都很重要。

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