第2题: [单项选择]患者男,25岁,因腰骶部及大腿部酸痛半年余、腹胀1个月余入院。(提示:腹部CT显示腹腔内可见软组织肿块影,胰腺受推挤向上移位,肠管受推挤向前移位。)根据上述特点,可以除外的诊断为()(提示三维重组图像显示病变包绕腹主动脉、下腔静脉,使其向前移位。) A. 腹膜后淋巴瘤 B. 腹膜后转移瘤 C. 腹膜后纤维化 D. 原发性腹膜后肿瘤 E. 腹膜后良性肿瘤 F. 腹膜后恶性肿瘤 参考答案:C
第5题: [单项选择]Most good writers use every means ______ to make the reader's way smooth and easy. A. at their disposal B. at their request C. at their will D. at their convenience 参考答案:A 答案解析:[解析] at one's disposal意为“听其使用,听其支配”,如:My bike is at your disposal.我的自行车随便你骑。at one's request则意为“应……的