痛觉是主观的，伴有不愉快感，因此也是一种情绪感受。（）
参考答案：对
下列各项不属于激励的关键要素的是（）。
A.激励时机
B.激励方法
C.激励频率
D.激励程度
The doctors has_________ a new idea on the treatment, which is well thought of by his companions.
A．come about
B．put forward
C．put away
D．regarded as
