第4题: [单项选择]What is the disadvantage of the Routemaster A. It is inconvenient to take the baggage onto it. B. It is difficult to spare the room for wheelchairs. C. It is dangerous to get in from both sides of it. D. It is easy to have an accident on a movable platform. 参考答案:D 答案解析:[解析] 短文说,在车尾的可伸缩平台本来是为方便乘客上车而设计的,但这同时也增加了危险性。故答案是D。 [点睛] It选项题,提示词inconvenient,difficult,dan-ger