第31题: [单项选择]女性,30岁,近3年来梳头时易脱发,经常反复发生口腔溃疡。2年来冬季遇冷时手指苍白疼痛继之发紫,后恢复正常。询问病史得知,夏天病人受阳光照射后面部易患红斑,怀疑是SLE。从实验室角度看,下列哪项有确诊价值() A. ANA阳性,RF阴性 B. Coombs试验阳性,LE细胞阳性 C. 抗RNP抗体阳性,低补体血症 D. 抗SS-A抗体阳性,抗SS-B抗体阳性 E. 抗Sm抗体阳性,抗ds-DNA抗体阳性 参考答案:E
第34题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. At 10:30. B. At 10:25. C. At 10:40. D. At 10:45. 参考答案:C 答案解析:[听力原文]
M: So, when are the other guys going to get here The train is leaving in ten minutes. We ca