职称英语AB级阅读理解例题解析(2)
<p> <span word="Electric">Electric</span> <span word="Backpack">Backpack</span> <span word="Backpacks">Backpacks</span> <span word="are">are</span> <span word="convenient">convenient</span>. <span word="They">They</span> <span word="can">can</span> <span word="hold">hold</span> <span word="your">your</span> <span word="books">books</span>, <span word="your">your</span> <span word="lunch">lunch</span>, <span word="and">and</span> <span word="a">a</span> <span word="change">change</span> <span word="of">of</span> <span word="clothes">clothes</span>, <span word="leaving">leaving</span> <span word="your">your</span> <span word="hands">hands</span> <span word="free">free</span> <span word="to">to</span> <span word="do">do</span> <span word="other">other</span> <span word="things">things</span>. <span word="Someday">Someday</span>, <span word="if">if</span> <span word="you">you</span> <span word="dont">dont</span> <span word="mind">mind</span> <span word="carrying">carrying</span> <span word="a">a</span> <span word="heavy">heavy</span> <span word="load">load</span>, <span word="your">your</span> <span word="backpacks">backpacks</span> <span word="might">might</span> <span word="also">also</span> <span word="power">power</span> <span word="your">your</span> <span word="MP">MP</span>31 <span word="player">player</span>, <span word="keep">keep</span> <span word="your">your</span> <span word="cell">cell</span> <span word="phone">phone</span> <span word="running">running</span>, <span word="and">and</span> <span word="maybe">maybe</span> <span word="even">even</span> <span word="light">light</span> <span word="your">your</span> <span word="way">way</span> <span word="home">home</span>. <span word="The">The</span> <span word="backpacks">backpacks</span> <span word="electricity">electricity</span>-<span word="creating">creating</span> <span word="powers">powers</span> <span word="depend">depend</span> <span word="on">on</span> <span word="springs">springs</span> <span word="used">used</span> <span word="to">to</span> <span word="hang">hang</span> <span word="a">a</span> <span word="cloth">cloth</span> <span word="pack">pack</span> <span word="from">from</span> <span word="its">its</span> <span word="metal">metal</span> <span word="frame">frame</span>. <span word="The">The</span> <span word="frame">frame</span> <span word="sits">sits</span> <span word="against">against</span> <span word="the">the</span> <span word="wearers">wearers</span> <span word="back">back</span>, <span word="and">and</span> <span word="the">the</span> <span word="whole">whole</span> <span word="pack">pack</span> <span word="moves">moves</span> <span word="up">up</span> <span word="and">and</span> <span word="down">down</span> <span word="as">as</span> <span word="the">the</span> <span word="person">person</span> <span word="walks">walks</span>. <span word="A">A</span> <span word="gear">gear</span> <span word="mechanism">mechanism</span> <span word="converts">converts</span> <span word="vertical">vertical</span> <span word="movements">movements</span> <span word="of">of</span> <span word="the">the</span> <span word="pack">pack</span> <span word="to">to</span> <span word="rotary">rotary</span> <span word="motions">motions</span> <span word="of">of</span> <span word="an">an</span> <span word="electrical">electrical</span> <span word="generator">generator</span>, <span word="producing">producing</span> <span word="up">up</span> <span word="to">to</span> 7.4 <span word="watts">watts</span>. <span word="The">The</span> <span word="backpack">backpack</span> <span word="could">could</span> <span word="be">be</span> <span word="especially">especially</span> <span word="useful">useful</span> <span word="for">for</span> <span word="soldiers">soldiers</span>, <span word="scientists">scientists</span>, <span word="mountaineers">mountaineers</span>, <span word="and">and</span> <span word="emergency">emergency</span> <span word="workers">workers</span> <span word="who">who</span> <span word="typically">typically</span> <span word="carry">carry</span> <span word="heavy">heavy</span> <span word="backpacks">backpacks</span>. <span word="For">For</span> <span word="the">the</span> <span word="rest">rest</span> <span word="of">of</span> <span word="us">us</span>, <span word="power">power</span>-<span word="generating">generating</span> <span word="backpacks">backpacks</span> <span word="could">could</span> <span word="make">make</span> <span word="it">it</span> <span word="possible">possible</span> <span word="to">to</span> <span word="walk">walk</span>, <span word="play">play</span> <span word="video">video</span> <span word="games">games</span>, <span word="watch">watch</span> <span word="TV">TV</span>, <span word="and">and</span> <span word="listen">listen</span> <span word="to">to</span> <span word="music">music</span>, <span word="all">all</span> <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span>. <span word="Electricity">Electricity</span>-<span word="generating">generating</span> <span word="packs">packs</span> <span word="arent">arent</span> <span word="on">on</span> <span word="the">the</span> <span word="market">market</span> <span word="yet">yet</span>, <span word="but">but</span> <span word="if">if</span> <span word="you">you</span> <span word="do">do</span> <span word="get">get</span> <span word="one">one</span> <span word="eventually">eventually</span>, <span word="just">just</span> <span word="make">make</span> <span word="sure">sure</span> <span word="to">to</span> <span word="look">look</span> <span word="both">both</span> <span word="ways">ways</span> <span word="before">before</span> <span word="crossing">crossing</span> <span word="the">the</span> <span word="street">street</span>! <span word="backpack">backpack</span> <span word="n">n</span>.背包 <span word="watt">watt</span> <span word="n">n</span>. 瓦 <span word="night">night</span>-<span word="vision">vision</span> <span word="goggle">goggle</span> 夜视镜 <span word="oscillation">oscillation</span> <span word="n">n</span>. 摆动 <span word="vertical">vertical</span> <span word="adj">adj</span>. 垂直的 <span word="mountaineer">mountaineer</span> <span word="n">n</span>. 登山运动员 注释： 2.<span word="Philadelphia">Philadelphia</span>：费城[美国宾夕法尼亚州东南部港市] 4.<span word="Mass">Mass</span>.：<span word="Massachusetts">Massachusetts</span> 的缩写：马萨诸塞州，美国东北部的一个州。 6.<span word="Science">Science</span>：美国的 <span word="Science">Science</span> 杂志为国际上著名的自然科学综合类学术期刊，在世界学术界享有盛誉。 <span word="Science">Science</span> 杂志创刊于1880年，该杂志具有资讯杂志和学术期刊的双重特点，每周除向世界各地发布有关科学技术和科技政策的重要资讯外，还发表全球科技研究最显著突破的研究论文和报告。 1. <span word="Backpacks">Backpacks</span> <span word="are">are</span> <span word="convenient">convenient</span> <span word="because">because</span> <span word="B">B</span>) <span word="they">they</span> <span word="can">can</span> <span word="hold">hold</span> <span word="as">as</span> <span word="many">many</span> <span word="things">things</span> <span word="as">as</span> <span word="you">you</span> <span word="want">want</span> <span word="to">to</span> <span word="carry">carry</span>. <span word="D">D</span>) <span word="you">you</span> <span word="do">do</span> <span word="not">not</span> <span word="have">have</span> <span word="to">to</span> <span word="carry">carry</span> <span word="things">things</span> <span word="with">with</span> <span word="you">you</span>. </p>
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