类风湿关节炎的诊断标准中有对称性关节肿和()
A.髋、膝关节肿胀
B.4个或4个以上关节肿胀
C.腕、掌指关节或近侧指间关节肿胀
D.小指动脉炎
E.眼部病变
参考答案:C
The rich man much food the poor families during the hard time.
A.provides; at
B.provides; with
C.provided; with
D.provided; for
产妇每天的泌乳量可达()
A.100~500ml
B.500~1000ml
C.1000~2000ml
D.1000~3000ml
E.3000ml以上