英语专业四级听力50篇 040：How High Can You Jump?
时间：2019-01-17 作者：英语课 分类：英语专业四级听力50篇
How High Can You Jump?
Fleas 1 trainers have observed a strange habit of fleas while training them.
Fleas are trained by putting them in a cardboard 2 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 3, 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 4 themselves and never reach their potential. Just like the fleas, they fail to jump higher, thinking they are doing all they can do.
- The dog has fleas. 这条狗有跳蚤。
- Nothing must be done hastily but killing of fleas. 除非要捉跳蚤，做事不可匆忙。 来自《简明英汉词典》
- She brought the shopping home in a cardboard box.她将买的东西放在纸箱里带回家。
- There is a sheet of stiff cardboard in the drawer.在那个抽屉里有块硬纸板。