—________
A:I don't like it.
B:Thank you.
C:Bring it back.
①挫折有利于磨练意志,助力辉煌人生 ②挫折有利于增长人们的智慧才干
③人生难免会遭遇挫折 ④因为有挫折,人生永远无法成功
下列不属于一次能源的是( )