I ____________ with Mockey next Sunday.[ ]
A. play
B. played
C. will play
D. playing
答案:C
类风湿关节炎最早出现的关节症状是()
A.晨僵
B.关节痛
C.关节肿
D.关节畸形
E.关节活动障碍
患者常因( )、( )、( )、( )等多种因素综合引起有效循环血量锐减,从而导致休克。