第2题: [单项选择]患者,男,45岁。左下颌骨体部中枢性血管瘤出血,急诊入院。该患者最佳的治疗方案为() A. 严密观察 B. 硬化剂注射止血 C. 栓塞后手术治疗 D. 局部压迫止血 E. 即刻手术切除病变下颌骨 参考答案:C 答案解析:颌骨中枢性血管瘤血供非常丰富,大部分为动脉型,硬化治疗效果差,立刻手术切除下颌骨也会造成大出血,压迫止血效果也不佳,只有术前动脉栓塞后再手术效果好。
A. The guilty parents. B. The spoilt children. C. All the parents. D. All the children. 参考答案:B 答案解析:[分析] 本题为推理题。文章第一段开头用GUILT-RIDDEN(受支配的愧疚感)描述美国的父母已经变成willing victims of the“give-me game”(“给我—游戏”的心甘情
第15题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard. A. He managed the sales department. B. He gave seminars on the Internet. C. He worked as a custodian. D. He designed software. 参考答案:C 答案解析:[听力原文] What did Mr. Taylor probably do for his previous company