第36题: [单项选择]硼酸的具有的反应是() A. 重氮化—偶合反应 B. 碘仿反应 C. 酸性下使姜黄试纸变红棕色 D. 与三氯化铁试液生成赭色沉淀 E. 与氨制硝酸银试液生成银镜,并放出氮气 参考答案:C
第37题: [单项选择]{{B}} Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. Local community. B. Labor market. C. Advertisement agent. D. Administrative office. 参考答案:C 答案解析:[听力原文]
According to the passage, where did people in Beijing often go for opportunities when they l