2017届河北省高三英语一轮复习55分钟课堂练习9 Word版含答案
<p> 第一部分</p><p> 阅读理解</p><p> <span word="A">A</span></p><p> <span word="The">The</span> <span word="term">term</span> “<span word="multitasking">multitasking</span>” <span word="originally">originally</span> <span word="referred">referred</span> <span word="to">to</span> <span word="a">a</span> <span word="computer">computer</span>’<span word="s">s</span> <span word="ability">ability</span> <span word="to">to</span> <span word="carry">carry</span> <span word="out">out</span> <span word="several">several</span> <span word="tasks">tasks</span> <span word="at">at</span> <span word="one">one</span> <span word="time">time</span>. <span word="For">For</span> <span word="many">many</span> <span word="people">people</span>, <span word="multitasking">multitasking</span> <span word="has">has</span> <span word="become">become</span> <span word="a">a</span> <span word="way">way</span> <span word="of">of</span> <span word="life">life</span> <span word="and">and</span> <span word="even">even</span> <span word="a">a</span> <span word="key">key</span> <span word="to">to</span> <span word="success">success</span>. <span word="In">In</span> <span word="fact">fact</span>, <span word="some">some</span> <span word="excellent">excellent</span> <span word="mental">mental</span> <span word="aerobic">aerobic</span> <span word="exercises">exercises</span> (人脑训练) <span word="involve">involve</span> <span word="engaging">engaging</span> <span word="the">the</span> <span word="brain">brain</span> <span word="in">in</span> <span word="two">two</span> <span word="or">or</span> <span word="more">more</span> <span word="challenging">challenging</span> <span word="activities">activities</span> <span word="at">at</span> <span word="a">a</span> <span word="time">time</span>. <span word="Although">Although</span> <span word="checking">checking</span> <span word="e">e</span>-<span word="mail">mail</span> <span word="while">while</span> <span word="talking">talking</span> <span word="on">on</span> <span word="a">a</span> <span word="phone">phone</span> <span word="and">and</span> <span word="reading">reading</span> <span word="the">the</span> <span word="newspaper">newspaper</span> <span word="may">may</span> <span word="be">be</span> <span word="second">second</span> <span word="nature">nature</span> <span word="for">for</span> <span word="some">some</span> <span word="people">people</span>, <span word="many">many</span> <span word="times">times</span> <span word="multitasking">multitasking</span> <span word="can">can</span> <span word="make">make</span> <span word="us">us</span> <span word="less">less</span> <span word="productive">productive</span>, <span word="rather">rather</span> <span word="than">than</span> <span word="more">more</span>. <span word="And">And</span> <span word="studies">studies</span> <span word="show">show</span> <span word="that">that</span> <span word="too">too</span> <span word="much">much</span> <span word="multitasking">multitasking</span> <span word="can">can</span> <span word="lead">lead</span> <span word="to">to</span> <span word="increased">increased</span> <span word="stress">stress</span>, <span word="anxiety">anxiety</span> <span word="and">and</span> <span word="memory">memory</span> <span word="loss">loss</span>.</p><p> <span word="In">In</span> <span word="order">order</span> <span word="to">to</span> <span word="multitask">multitask</span>, <span word="the">the</span> <span word="brain">brain</span> <span word="uses">uses</span> <span word="an">an</span> <span word="area">area</span> <span word="known">known</span> <span word="as">as</span> <span word="the">the</span> <span word="prefrontal">prefrontal</span> <span word="cortex">cortex</span> (前额叶脑皮层). <span word="Brian">Brian</span> <span word="scans">scans</span> <span word="of">of</span> <span word="volunteers">volunteers</span> <span word="performing">performing</span> <span word="multiple">multiple</span> <span word="tasks">tasks</span> <span word="together">together</span> <span word="show">show</span> <span word="that">that</span> <span word="as">as</span> <span word="they">they</span> <span word="shift">shift</span> <span word="from">from</span> <span word="task">task</span> <span word="to">to</span> <span word="task">task</span>, <span word="this">this</span> <span word="front">front</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span> <span word="actually">actually</span> <span word="takes">takes</span> <span word="a">a</span> <span word="moment">moment</span> <span word="of">of</span> <span word="rest">rest</span> <span word="between">between</span> <span word="tasks">tasks</span>. <span word="You">You</span> <span word="may">may</span> <span word="have">have</span> <span word="experienced">experienced</span> <span word="a">a</span> <span word="prefrontal">prefrontal</span> <span word="cortex">cortex</span> “<span word="moment">moment</span> <span word="of">of</span> <span word="rest">rest</span>” <span word="yourself">yourself</span> <span word="if">if</span> <span word="you">you</span>’<span word="ve">ve</span> <span word="ever">ever</span> <span word="dialed">dialed</span> (拨电话) <span word="a">a</span> <span word="telephone">telephone</span> <span word="number">number</span> <span word="and">and</span> <span word="suddenly">suddenly</span> <span word="forgotten">forgotten</span> <span word="who">who</span> <span word="you">you</span> <span word="dialed">dialed</span> <span word="when">when</span> <span word="the">the</span> <span word="line">line</span> <span word="is">is</span> <span word="answered">answered</span>. <span word="What">What</span> <span word="probably">probably</span> <span word="occurred">occurred</span> <span word="is">is</span> <span word="that">that</span> <span word="between">between</span> <span word="the">the</span> <span word="dialing">dialing</span> <span word="and">and</span> <span word="the">the</span> <span word="answering">answering</span>, <span word="your">your</span> <span word="mind">mind</span> <span word="shifted">shifted</span> <span word="to">to</span> <span word="anther">anther</span> <span word="thought">thought</span> <span word="or">or</span> <span word="task">task</span>, <span word="and">and</span> <span word="then">then</span> <span word="look">look</span> <span word="that">that</span> “<span word="moment">moment</span>” <span word="to">to</span> <span word="come">come</span> <span word="back">back</span>. <span word="Research">Research</span> <span word="has">has</span> <span word="also">also</span> <span word="shown">shown</span> <span word="that">that</span> <span word="for">for</span> <span word="many">many</span> <span word="volunteers">volunteers</span>. <span word="Job">Job</span> <span word="efficiency">efficiency</span> (效率) <span word="declines">declines</span> <span word="while">while</span> <span word="multitasking">multitasking</span></p><p> <span word="as">as</span> <span word="compared">compared</span> <span word="to">to</span> <span word="when">when</span> <span word="they">they</span> <span word="perform">perform</span> <span word="only">only</span> <span word="one">one</span> <span word="task">task</span> <span word="at">at</span> <span word="a">a</span> <span word="time">time</span>.</p>
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