高考英语冲刺阅读理解训练题（七十四）
<p> 阅读理解训练题（七十四）</p><p> <span word="A">A</span></p><p> <span word="Before">Before</span> <span word="a">a</span> <span word="new">new</span> <span word="airliner">airliner</span> <span word="goes">goes</span> <span word="into">into</span> <span word="service">service</span>, <span word="every">every</span> <span word="part">part</span> <span word="of">of</span> <span word="it">it</span> <span word="is">is</span> <span word="tested">tested</span> <span word="again">again</span> <span word="and">and</span> <span word="again">again</span>. <span word="But">But</span> <span word="there">there</span> <span word="are">are</span> <span word="two">two</span> <span word="tests">tests</span> <span word="that">that</span> <span word="are">are</span> <span word="more">more</span> <span word="important">important</span> <span word="than">than</span> <span word="all">all</span> <span word="the">the</span> <span word="others">others</span>. <span word="In">In</span> <span word="the">the</span> <span word="first">first</span> <span word="test">test</span>, <span word="a">a</span> <span word="modern">modern</span> <span word="airliner">airliner</span> <span word="must">must</span> <span word="fly">fly</span> <span word="at">at</span> <span word="very">very</span> <span word="high">high</span> <span word="altitudes">altitudes</span>. <span word="Air">Air</span> <span word="must">must</span> <span word="be">be</span> <span word="pumped">pumped</span> <span word="into">into</span> <span word="the">the</span> <span word="place">place</span> <span word="so">so</span> <span word="that">that</span> <span word="the">the</span> <span word="passengers">passengers</span> <span word="can">can</span> <span word="breathe">breathe</span>. <span word="The">The</span> <span word="metal">metal</span> <span word="structure">structure</span> <span word="of">of</span> <span word="the">the</span> <span word="plane">plane</span> <span word="has">has</span> <span word="to">to</span> <span word="be">be</span> <span word="very">very</span> <span word="strong">strong</span> <span word="for">for</span> <span word="this">this</span> <span word="reason">reason</span>. <span word="When">When</span> <span word="the">the</span> <span word="plane">plane</span> <span word="is">is</span> <span word="filled">filled</span> <span word="with">with</span> <span word="air">air</span>, <span word="the">the</span> <span word="air">air</span> <span word="presses">presses</span> <span word="against">against</span> <span word="the">the</span> <span word="skin">skin</span> <span word="of">of</span> <span word="the">the</span> <span word="plane">plane</span> <span word="inside">inside</span>. <span word="The">The</span> <span word="pressure">pressure</span> <span word="on">on</span> <span word="a">a</span> <span word="small">small</span> <span word="window">window</span>, <span word="for">for</span> <span word="example">example</span>, <span word="is">is</span> <span word="like">like</span> <span word="a">a</span> <span word="huge">huge</span> <span word="foot">foot</span> <span word="that">that</span> <span word="is">is</span> <span word="trying">trying</span> <span word="to">to</span> <span word="get">get</span> <span word="out">out</span>. <span word="If">If</span> <span word="a">a</span> <span word="small">small</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="plane">plane</span> <span word="were">were</span> <span word="to">to</span> <span word="crack">crack</span> （爆裂）, <span word="the">the</span> <span word="plane">plane</span> <span word="would">would</span> <span word="explode">explode</span> <span word="in">in</span> <span word="the">the</span> <span word="sky">sky</span>. <span word="In">In</span> <span word="order">order</span> <span word="to">to</span> <span word="test">test</span> <span word="the">the</span> <span word="structure">structure</span> <span word="of">of</span> <span word="the">the</span> <span word="plane">plane</span>, <span word="it">it</span> <span word="is">is</span> <span word="lowered">lowered</span> <span word="into">into</span> <span word="a">a</span> <span word="huge">huge</span> <span word="tank">tank</span> <span word="of">of</span> <span word="water">water</span> .<span word="Then">Then</span> <span word="it">it</span> <span word="is">is</span> <span word="filled">filled</span> <span word="with">with</span> <span word="air">air</span>. <span word="The">The</span> <span word="pressure">pressure</span> <span word="inside">inside</span> <span word="the">the</span> <span word="plane">plane</span> <span word="is">is</span> <span word="greater">greater</span> <span word="than">than</span> <span word="it">it</span> <span word="ever">ever</span> <span word="will">will</span> <span word="be">be</span> <span word="when">when</span> <span word="it">it</span> <span word="is">is</span> <span word="in">in</span> <span word="the">the</span> <span word="air">air</span>. <span word="Finally">Finally</span>, <span word="there">there</span> <span word="is">is</span> <span word="an">an</span> <span word="explosion">explosion</span>. <span word="Engineers">Engineers</span> <span word="can">can</span> <span word="discover">discover</span> <span word="which">which</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="plane">plane</span> <span word="has">has</span> <span word="cracked">cracked</span>.</p><p> <span word="In">In</span> <span word="the">the</span> <span word="second">second</span> <span word="test">test</span>, <span word="the">the</span> <span word="test">test</span> <span word="pilot">pilot</span> <span word="must">must</span> <span word="find">find</span> <span word="exactly">exactly</span> <span word="what">what</span> <span word="happens">happens</span> <span word="when">when</span> <span word="all">all</span> <span word="the">the</span> <span word="engines">engines</span> <span word="are">are</span> <span word="shut">shut</span> <span word="off">off</span> <span word="at">at</span> <span word="once">once</span>. <span word="He">He</span> <span word="takes">takes</span> <span word="the">the</span> <span word="plane">plane</span> <span word="up">up</span> <span word="very">very</span> <span word="high">high</span>. <span word="Then">Then</span> <span word="he">he</span> <span word="shuts">shuts</span> <span word="the">the</span> <span word="engines">engines</span> <span word="off">off</span>, <span word="the">the</span> <span word="plane">plane</span> <span word="begins">begins</span> <span word="to">to</span> <span word="fall">fall</span> <span word="like">like</span> <span word="a">a</span> <span word="stone">stone</span>. <span word="it">it</span> <span word="is">is</span> <span word="the">the</span> <span word="pilot">pilot</span>’<span word="s">s</span> <span word="job">job</span> <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="how">how</span> <span word="he">he</span> <span word="can">can</span> <span word="get">get</span> <span word="control">control</span> <span word="of">of</span> <span word="the">the</span> <span word="plane">plane</span> <span word="again">again</span>. <span word="These">These</span> <span word="two">two</span> <span word="tests">tests</span> <span word="are">are</span> <span word="examples">examples</span> <span word="of">of</span> <span word="how">how</span> <span word="planes">planes</span> <span word="are">are</span> <span word="made">made</span> <span word="safe">safe</span> <span word="before">before</span> <span word="they">they</span> <span word="ever">ever</span> <span word="carry">carry</span> <span word="passengers">passengers</span>.</p><p> 56．<span word="Why">Why</span> <span word="must">must</span> <span word="air">air</span> <span word="be">be</span> <span word="pumped">pumped</span> <span word="into">into</span> <span word="the">the</span> <span word="plane">plane</span>?</p><p> <span word="A">A</span>. Because without air the plane can’t fly.</p>
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