Unit 1 Lifestyles
Ⅰ.完形填空
You have waited 45 minutes for the valuable 10 minutes' break between classes.But when the bell for the next class rings,you can't __1__ how quickly time has passed.
If you are familiar with this __2__,you'll know how time flies when you are having fun and __3__ when you are bored.Now scientists have __4__ a reason why this is the case.
Scans have shown that patterns of activity in the brain __5__ according to how we focus on a task.When we are __6__,we concentrate more on how time is passing.And this makes us __7__ the clock is ticking more slowly.
In an experiment __8__ by a French laboratory,12 volunteers watched an image __9__ researchers monitored their brain activity.
The volunteers were told to __10__ concentrate on how long an image appeared,then __11__ the color of the image,and third,study both the duration and the color.The results showed that the __12__ was more active when the volunteers paid attention to __13__ subjects.
It is thought that if the brain is __14__ focusing on many aspects of a task,it has to __15__ its resources,and pays less attention to the clock.__16__,time really passes without us __17__ it,and seems to go quickly.If the brain is not so active,it concentrates its __18__ energies on monitoring the passing of time.__19__,time seems to drag.
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