类风湿关节炎最早的关节症状是()
A.关节疼痛
B.关节畸形
C.梭形肿大
D.皮肤发红
E.关节强直
参考答案:A
Have you ever had a case _____someone accused you of doing something you hadn’t done?
A.which
B.that
C.where
D.when
工作负责人在工作前要对工作班成员进行_____告知。