RA常见的关节症状有（）
A.关节压痛
B.关节疼痛
C.晨僵
D.关节畸形
E.关节肿胀
参考答案：A, B, C, D, E
I have a pet in my home. _____ name is Tom.[ ]
A. His
B. Their
C. It's
D. Its
社区学前教育
