2021年英语专四听力练习材料040

2021-06-08 17:11:00来源:网络

  新东方在线专四专八频道给大家整理的2021年英语专四听力练习材料040,希望能够对大家的专四专八考试备考有所帮助,更多有关专四专八的备考内容,欢迎随时关注新东方在线专四专八频道。

  Passage 40

  How High Can You Jump?

  Flea trainers have observed a strange habit of fleas while training them.

  Fleas are trained by putting them in a cardboard box with a top on it. The fleas will jump up and hit the top of the cardboard box over and over and over again. As you watch them jump and hit the lid, something very interesting becomes obvious. The fleas continue to jump, but they are no longer jumping high enough to hit the top.

  When you take off the lid, the fleas continue to jump, but they will not jump out of the box. They will not jump out because they cannot jump out. Why? The reason is simple. They have conditioned themselves to jump just so high. Once they have conditioned themselves to jump just so high, that is all they can do.

  Many times, people do the same thing. They restrict themselves and never reach their potential. Just like the fleas, they fail to jump higher, thinking they are doing all they can do.

  以上就是新东方在线专四专八频道给大家整理的2021年英语专四听力练习材料040,希望对大家有所帮助,更多备考内容,欢迎随时关注新东方在线专四专八频道。


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