类风湿性关节炎最早出现的关节症状是（）
A.晨僵
B.关节畸形
C.关节肿
D.关节痛
E.关节功能障碍
参考答案：D
Brown said he was by no means annoyed; ___________ he was glad to be able to make himself clearly understood.
A．all in all
B．on the other hand
C．on the contrary
D．in many ways.
35岁以上妇女有子宫肌瘤的约占（）。
A.15%
B.25%
C.20%
D.30%
E.35%
