2. 外语
  3. A. unrelated B. results from C. takes D. fixed E. spends F. distracted G. completely

A. unrelated B. results from C. takes D. fixed E. spends F. distracted G. completely

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问题     A. unrelated        B. results from        C. takes          D. fixed          E. spends
    F. distracted       G. completely          H. productivity   I. external       J. with
    K.creativity        L. previously          M. cost           N. consistently   O. get back
    Did you know that a task that’s interrupted【C1】________ 50% longer and has 50% more mistakes than an uninterrupted one? It takes a while for our brains to get into a focused state where we’re able to concentrate fully on a task without feeling【C2】________ :" Once we’re in that state, we can enjoy a very productive flow, as long as we don’t get interrupted.
    A focused mind is still sensitive to disruption from【C3】________ input. Interruptions—i.e. switching to a different, largely【C4】________ set of thought patterns—erase and scramble much of your 【C5】________ loaded and nicely optimized brain state. And frequent interruptions can prevent you from ever fully entering that state of flow.
    When you interrupt someone, on average, it takes them 23 minutes to【C6】________ to the original task, plus up to 30 minutes to return to the flow state so they can be fully productive again. Almost half of the time you interrupt someone, you’ll actually knock them off task【C7】________. such that they wont return to the original task right away when the interruption ends. You may think you’re only putting them on pause for a minute or two, but the actual break from the task that【C8】________ your interruption may be significantly longer. Frequent task switching has also been measured to significantly increase stress levels. So interrupting others not only hurts their【C9】________. but it may also damage their health. Interruptions are expensive too. One estimate puts the【C10】________ of workplace interruptions at $588 billion per year in lost productivity for the U.S. economy.
【C8】
选项
答案B
解析 but后分句的主干为the actual break may be longer，因此that从句为定语从句，修饰the task，that从句缺少谓语动词，故空格应填入动词或动词词组作谓语。break“中断”是由interruption引起的，故选表“原因”的results from“由……引起”。
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