A poor woodcutter and his wife lived in the forest in a small hut.   1 was so small that there was space only for him and his wife to sleep.
      One cold night, somebody knocked 2 the door. The woodcutter asked his wife  3the door and let the stranger in. She said, “ But there is no space.” The man laughed 4 said, “ Two can sleep well, three can sit.” And then the woman opened the door. The stranger5 to come in, and they all sat telling stories to each other.
     Then came 6 knock. The woodcutter told the stranger, “Friend, open the door.” And the man said, “But there is no space.” The woodcutter said, “If three persons can sit comfortably, four persons can sit a little7 than before.”
The stranger opened the door, and a man entered. Suddenly, a strange knock 8 did not seem to be human's! The woodcutter said, “Open the door. I know who 9.  It is my donkey.”
    Everyone said, “  10is the donkey going to stand?” The man said, “Right now we are sitting, when the donkey comes in, we will all stand.”

工匠精神是一种对自己的产品精益求精、追求完美和极致，执着专一的敬业精神。有这样一群劳动者：他们的成功之路不是上名校，而是秉承工匠精神，经过多年不懈钻研，成为了某一领域不可或缺的人才和高级工匠。这启示我们（   ）

①成功的关键在于上名校                                 ②三百六十行，行行出状元

③弘扬工匠精神，实现人生价值                     ④职业有分工，身份有贵贱