2010职称英语考试真题理工类C级：完形填空
<p> 导语：以下英语网为大家整理了全面的职称英语考试历年真题及答案解析，《职称英语考试试题汇总：历年真题及答案解析》供大家参考学习。更多职称英语考试试题敬请关注英语网！</p><p>【推荐】关注英语网微信：<span word="yingyuwang">yingyuwang</span>2013，更快获取真题答案及成绩查询信息。</p><p> 第6部分：完形填空(第51～65题，每题1分，共15分) </p><p> 下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。 </p><p> <span word="Seeing">Seeing</span> <span word="Red">Red</span> <span word="Means">Means</span> <span word="Danger">Danger</span> <span word="Ahead">Ahead</span> </p><p> <span word="The">The</span> <span word="color">color</span> <span word="red">red</span> <span word="often">often</span> <span word="means">means</span> <span word="danger">danger</span> <span word="and">and</span> <span word="by">by</span> <span word="paying">paying</span> <span word="attention">attention</span>，<span word="accidents">accidents</span> <span word="can">can</span> <span word="be">be</span> <span word="prevented">prevented</span>． <span word="In">In</span> <span word="thefuture">thefuture</span>，<span word="the">the</span> <span word="color">color</span> <span word="red">red</span> <span word="also">also</span> <span word="may">may</span> <span word="help">help</span>__________(51)<span word="danger">danger</span> <span word="at">at</span> <span word="construction">construction</span> <span word="sites">sites</span>．<span word="Thanks">Thanks</span> <span word="to">to</span> <span word="new">new</span> <span word="workby">workby</span> <span word="engineers">engineers</span>，<span word="bridge">bridge</span> <span word="supports">supports</span> <span word="or">or</span>_________(52)<span word="kinds">kinds</span> <span word="of">of</span> <span word="materials">materials</span> <span word="could">could</span> <span word="one">one</span> <span word="dav">dav</span> <span word="contain">contain</span> <span word="a">a</span> <span word="colorswitching">colorswitching</span> <span word="material">material</span>．<span word="It">It</span> <span word="will">will</span> <span word="turn">turn</span> <span word="red">red</span>__________(53)<span word="a">a</span> <span word="structure">structure</span> <span word="collapses">collapses</span> <span word="or">or</span> <span word="falls">falls</span> <span word="apart">apart</span>．</p><p> <span word="The">The</span> <span word="secret">secret</span>_________(54)<span word="the">the</span> <span word="color">color</span> <span word="switching">switching</span> <span word="material">material</span> <span word="is">is</span> <span word="a">a</span> <span word="particular">particular</span> <span word="type">type</span> <span word="of">of</span> <span word="molecule">molecule</span>(分子)． <span word="A">A</span> <span word="molecule">molecule</span> <span word="is">is</span> <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="atoms">atoms</span>(原子)<span word="held">held</span> <span word="together">together</span> <span word="by">by</span> <span word="chemical">chemical</span> <span word="bonds">bonds</span>．<span word="Molecules">Molecules</span> <span word="come">come</span> (55)<span word="all">all</span> <span word="shapes">shapes</span> <span word="and">and</span> <span word="sizes">sizes</span>，<span word="and">and</span> <span word="make">make</span> <span word="up">up</span>___________(56)．<span word="You">You</span> <span word="can">can</span> <span word="see">see</span>，<span word="touch">touch</span> <span word="or">or</span> <span word="feel">feel</span>．<span word="How">How</span> <span word="a">a</span> <span word="mole">mole</span>． <span word="cule">cule</span> <span word="behaves">behaves</span> <span word="depends">depends</span> <span word="on">on</span>___________(57)<span word="kinds">kinds</span> <span word="of">of</span> <span word="atoms">atoms</span> <span word="it">it</span> <span word="contains">contains</span>，<span word="and">and</span> <span word="how">how</span> <span word="thevre">thevre</span> <span word="held">held</span> <span word="together">together</span>．</p><p> <span word="When">When</span> <span word="a">a</span> <span word="polymer">polymer</span>(聚合物)<span word="containing">containing</span> <span word="a">a</span> <span word="color">color</span> <span word="switching">switching</span> <span word="molecule">molecule</span> <span word="called">called</span> <span word="a">a</span> <span word="mechanophore">mechanophore</span>(机械响应性聚合物)<span word="which">which</span> <span word="is">is</span> <span word="about">about</span> <span word="to">to</span> <span word="break">break</span>，<span word="it">it</span> <span word="produce">produce</span> <span word="a">a</span>__________(58)．<span word="When">When</span> <span word="a">a</span> <span word="polymer">polymer</span> <span word="withmechanophore">withmechanophore</span> <span word="molecules">molecules</span> <span word="becomesinjuredor">becomesinjuredor</span>_______________(59)，<span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="mechanophore">mechanophore</span> <span word="bonds">bonds</span>__________(60)<span word="and">and</span> <span word="the">the</span> <span word="material">material</span> <span word="turns">turns</span> <span word="red">red</span>．<span word="Its">Its</span> <span word="a">a</span> <span word="really">really</span> <span word="simple">simple</span> <span word="detection">detection</span> <span word="method">method</span>．<span word="says">says</span> <span word="NancySottos">NancySottos</span>，<span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="scientists">scientists</span> <span word="who">who</span> <span word="worked">worked</span> <span word="on">on</span> <span word="the">the</span> <span word="project">project</span>． <span word="Sottos">Sottos</span> <span word="and">and</span> <span word="her">her</span> <span word="team">team</span> <span word="tested">tested</span> <span word="the">the</span> <span word="color">color</span> <span word="switc">switc</span>． <span word="hing">hing</span> <span word="polymers">polymers</span> <span word="in">in</span> <span word="their">their</span> <span word="lab">lab</span>．<span word="The">The</span> <span word="test">test</span>__________(61)<span word="proved">proved</span> <span word="encouraging">encouraging</span>．</p>
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