类风湿性关节炎，常表现为
A．指关节梭状畸形B．杵状指C．匙状甲D．浮髌现象E．肢端肥大
参考答案：A
_____ our national football team lost the game to a weak team as Syria by 2 to 3, I held no doubt about
the new coach's ability.[ ]
A. Until
B. By the time
C. Unless
D. After
下列哪一项属于一级预防的内容（）
A.普查
B.筛检
C.产前检查
D.用特效药物治疗疾病
E.对人群进行免疫接种
