气调养护，以杀虫为目的，其02浓度应控制在
A．栓剂B．合剂C．糖浆剂D．胶囊剂E．露剂
参考答案：A
男性，45岁，右手远侧指间关节疼痛、肿胀、有晨僵感，活动后可逐渐消失。
此患者临床诊断可能性最大的是（）
A.关节结核
B.骨性关节炎
C.梅毒性关节炎
D.银屑病性关节炎
E.类风湿性关节炎
His mother had talked to him for many minutes while he was watching TV,but ＿＿＿＿.
A．a little did he hear
B．little did he hear
C．little heard he
D．a little heard he
