第4题: [单项选择]Questions 19 to 21 are based on the passage you have just heard. A. They should call the fire department. B. The man should seek counseling. C. The man should contact the newspaper. D. They should drive toward where the UFO landed. 参考答案:B 答案解析:[听力原文] What does the police officer suggest at the end of the story [解析] 推断判断题。警官询问报案人是否吸毒、饮酒或服
第18题: [单项选择]The word "gizmos" (line 1, paragraph 2) most probably means ______. A. programs B. experts C. devices D. creatures 参考答案:C 答案解析:语意题。文章第一段说:人类发明了各种工具,利用各种机器为人类服务,第二段第一句说,“结果,当今世界出现了越来越多的智能化gizmos”由此可以推断,gizmos最有可能是机械工具一类的东西,因此,选项