Ithasbeenfoundthatastrong________helpovercometheeffectsofdistraction.
B
A 打扰、中断 B 动机、诱因 C 评估、评价 D 目的地、终点
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.
Sincewehaveafocusedsubject，weshouldnottalk________.