单项选择题
Mr Wickham dealed with his debts by himself.
未知题型Mr Wickham dealed with his debts by himself.
2048KB = _________MB。
未知题型2048KB = _________MB。
当一个人因自己的行为结果而得到其满意的奖励时,则它的积极性会( )。A、提高B、降低C、不确定D、不受影响
单项选择题当一个人因自己的行为结果而得到其满意的奖励时,则它的积极性会( )。