下列属于器官特异性的自身免疫疾病是()
A.类风湿性关节炎
B.原发性胆汁性肝硬化
C.干燥综合征
D.系统性红斑狼疮
E.混合性结缔组织病
参考答案:B
— These foreigners have been to Tibet before.
— Really? When _____ there?[ ]
A. will they go
B. did they go
C. have they gone
肝硬化患者血糖变化特征为
A.低血糖B.高血糖C.血糖先低后高D.血糖先高后低E.血糖无变化