()是指撤消正强化物或者呈现负强化使得某一操作行为的概率下降。
参考答案:惩罚
There must be ________ with the computer.
A.something serious wrong
B.something wrong seriously
C.something seriously wrong
D.something wrong serious
患者男性,52岁,吸烟史31年,近1个月咳嗽,咳痰带血丝,查体见左上肺局限性哮鸣音,该患者的.诊断最可能是
A.支气管哮喘
B.支气管肺炎
C.支气管扩张症
D.左上肺癌
E.急性左侧心力衰竭