增强病人遵医行为的因素是（）
A.对用药方法误解
B.经济上难以承受
C.无经济问题
D.缺少家庭支持
E.药物副作用问题
参考答案：C
把元器件和设备安全工作时所允许的（）电流叫做它们的额定电流。
A、正常
B、最大
C、最小
D、临界
My uncle from Hong Kong has changed so much that I could hardly ________ him at the airport. [ ]
A. understand
B. realize
C. know
D. recognize
