第33题: [单项选择]What are they talking about A. The lovely day. B. The heavy rain. C. The weather. 参考答案:C 答案解析:[听力原文] W: It’s a cloudy day, isn’t it M: Yes, it is. The radio says there will be a heavy rai
第34题: [单项选择]下列选项中,类风湿关节炎()。 A. dsDNA阳性 B. RF高滴度 C. HLA-B27阳性 D. 硒缺乏 E. 尿酸结晶阳性 参考答案:B