[单项选择]男，76岁，高血压30余年，平时血压在150～180/90～110mmHg，不规则服用降压药。 2周来胸闷、气促，贫血貌，颈静脉怒张，心界向左下扩大，心率104次/分，两肺底有细小湿啰音，肝肋下二指，下肢水肿中度，尿蛋白+，血肌酐884μmol/L(10mg/dl)。 肾衰竭最可能的病因是 A. 慢性肾小球肾炎致肾性高血压 B. 肾小动脉硬化 C. 慢性肾盂肾炎 D. 心力衰竭致肾功能减退
第20题: [单项选择]A. The copier is already five years old. B. The copier is better than the previous one. C. The copier should be regarded as the best one so far. D. The copier should last much longer than one year. 参考答案:D 答案解析:[听力原文] At the rate of its being used, the copier is not going to make it through the rest of
第37题: [单项选择]______come out of the building, my first thought was to call the fire department. A. On seeing the smoke B. When I saw the smoke C. Having seen the smoke D. As soon as the smoke was seen 参考答案:B 答案解析:[分析] 此题考点为状语从句。由于主句的主语是“thought”，不能是A和C的逻辑主语，应排除 A和C；D项的结构有错误(“seen”之后的不定式必须有“to”)；所以选B。本句的意思是：当我看见大
