A. 类风湿关节炎 B. 骨关节炎 C. 强直性脊柱炎 D. Reiter's综合征 E. 反应性关节炎
A. covers B. displays C. spreads D. casts
A. 正确 B. 错误
A. before B. after C. during D. from
A. when B. while C. for D. as