第26题: [单项选择]关于急性肾盂肾炎的诊断,下列不正确的是() A. 临床表现只能作为参考 B. 血、尿液常规、尿细菌培养菌落计数10/ml以上 C. X线检查可发现尿路结石影;静脉尿路造影可发现肾盂肾盏系统显影延迟或减弱 D. 超声检查可显示患侧肾脏增大,肾皮、髓质界限不清 E. CT检查可显示增大的肾脏,增强扫描可显示低密度区 参考答案:A
第27题: [单项选择]社区获得性肺炎最常见的病原是() A. 细菌基因自然突变 B. 抗菌药物滥用 C. 抗菌药物发展缓慢 D. 人群免疫力下降 参考答案:B
第30题: [单项选择]Mark Twain was walking down the street because ______. A. he was going to give a talk B. he was traveling in the small town C. he was trying to find a young man D. he was going to go shopping 参考答案:A 答案解析:[听力原文]16-20
Mark Twain was famous as a writer and he was also famous as a public speaker and tel