第18题: [单项选择]The end of the bidding is called "knocking down" because ______. A. the auctioneer knocks the buyer down B. the auctioneer knocks the rostrum down C. the goods are knocked down onto the table D. the auctioneer bangs the table with a mammer 参考答案:D 答案解析:[精解] 文章第一段指出“For the bidding ends when the auctioneer bangs a small hammer on a table at which he st
第32题: [单项选择]女,46岁,平素体健,1周前左足烫伤感染发热,注射庆大霉素后体温正常,但1周后出现水肿、腰痛、尿少,化验尿蛋白(+),血尿素氮(BUN)16.6mmol/L,血肌酐284μmol/L,B超示双肾明显增大,最可能的诊断是() A. 慢性肾功能衰竭 B. 急性肾小球肾炎 C. 急性肾功能衰竭 D. 急性肾盂肾炎 E. 肾病综合征 参考答案:C 答案解析:根据患者应用肾毒性药物庆大霉素诱因,以及短期内出现蛋白尿及肌酐、尿素氮升高表现,分析患者为急性肾功能衰竭。