根据耶克斯-多德森定律，当学员完成较容易的任务时，教员应当使其心里紧张程度控制在什么水平？ According to Yerkes Dodson Law, when the students finish a easy task, instructor should make their heart tension control at __ level.
A.较高 high
B.较低 low
C.中等 medium
正确答案是A
根据耶克斯-多德森定律，当学员完成较容易的任务时，教员应当使其心里紧张程度控制在什么水平？ According to Yerkes Dodson Law, when the students finish a easy task, instructor should make their heart tension control at __ level.
A.较高 high
B.较低 low
C.中等 medium
正确答案是A