第23题: [单项选择]The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）. A. a continuous ringing for 10 seconds B. one short ring followed by one long ring C. two long rings of at least 20 seconds D. a continuous ringing until the fire is extinguished 参考答案:A
第33题: [单项选择]How much did the shoes cost originally A. In another building. B. In his office. C. In the bathroom. D. In a meetin 参考答案:D 答案解析:[听力原文] M: If I were you I wouldn’t interrupt the boss while he’s in an important meeting. Wait un
