A. Showing the faulty item to the manager. B. Explaining exactly what is wrong with the item. C. Saying firmly that the item is of poor quality. D. Asking politely to change the item. 参考答案:B 答案解析:[试题分析] 细节题。 [详细解答] 录音稿:Complaining is usually most effective when it is done politely but firmly,
第10题: [单项选择]正常肾脏声像图表现,不正确的是 A. 肾锥体呈放射状排列在肾窦的周围 B. 肾锥体的回声高于肾皮质回声 C. 肾窦呈强回声 D. 肾皮质与肾柱回声一致 E. 肾门处有肾动静脉出入 参考答案:B
第25题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. Gas station. B. Police station. C. Lost and found department. D. Bat. 参考答案:A 答案解析:[听力原文] W:This doesn’t look at all familiar.We must be lost;we’d better get some directions. M: