第17题: [单项选择]How did Kathy know how fast she was traveling7 A. She looked at the speedometer. B. It couldn’t go faster than 50 miles an hour. C. She would know the speed through what would shake. D. The police officer told her. 参考答案:C
第27题: [单项选择]下列( )不符合城市道路无障碍设计规定。 A. 单面缘石坡道设计坡度不大于1:20 B. 缘石坡道下口高出车行道地面不得大于0.02m C. 行进盲道宽度宜为0.30~0.60m,可根据道路宽度选择低限或高限 D. 行进盲道宽度不小于0.60m 参考答案:D 答案解析:[解析] 见《城市道路和建筑物无障碍设计规范》(JGJ 50—2001)第4.2.2条。行进盲道宽度不小于 0.50m。