关于类风湿关节炎的发病机制,下列哪种说法正确 A.并无抗原参与 B.只有体液免疫异常 发布时间:2017-07-05 12:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: 关于类风湿关节炎的发病机制,下列哪种说法正确A.并无抗原参与B.只有体液免疫异常C.只有细胞免疫异常D.抗原激起免疫反应,免疫反应引起炎症E.细胞凋亡正常
题型:单项选择题 Optimism had been growing ________ the weekend meeting of European Union leaders in Brussels would come up with a substantial plan for dealing with the debt crisis. [ ]A. when B. beforeC. what D. that 查看答案