2011GRE考试选择题精炼(2)
<p> 2014<span word="GRE">GRE</span>考试选择题精炼</p><p> <span word="A">A</span> <span word="breeder">breeder</span> <span word="has">has</span> <span word="ten">ten</span> <span word="birds">birds</span>:</p><p> <span word="Kind">Kind</span> <span word="Male">Male</span> <span word="Female">Female</span></p><p> <span word="Goldfinches">Goldfinches</span> <span word="H">H</span> <span word="J">J</span>, <span word="K">K</span></p><p> <span word="Lovebirds">Lovebirds</span> <span word="M">M</span> <span word="N">N</span></p><p> <span word="Parakeets">Parakeets</span> <span word="Q">Q</span>, <span word="R">R</span>, <span word="S">S</span> <span word="T">T</span>, <span word="W">W</span></p><p> <span word="The">The</span> <span word="breeder">breeder</span> <span word="exhibits">exhibits</span> <span word="pairs">pairs</span> <span word="of">of</span> <span word="birds">birds</span> <span word="consisting">consisting</span> <span word="of">of</span> <span word="one">one</span> <span word="male">male</span> <span word="and">and</span> <span word="one">one</span> <span word="female">female</span> <span word="of">of</span> <span word="the">the</span> <span word="same">same</span> <span word="kind">kind</span>. <span word="At">At</span> <span word="most">most</span> <span word="two">two</span> <span word="pairs">pairs</span> <span word="can">can</span> <span word="be">be</span> <span word="exhibited">exhibited</span> <span word="at">at</span> <span word="a">a</span> <span word="time">time</span>; <span word="the">the</span> <span word="remaining">remaining</span> <span word="birds">birds</span> <span word="must">must</span> <span word="be">be</span> <span word="distributed">distributed</span> <span word="between">between</span> <span word="two">two</span> <span word="cages">cages</span>. <span word="The">The</span> <span word="breeder">breeder</span> <span word="is">is</span> <span word="constrained">constrained</span> <span word="by">by</span> <span word="the">the</span> <span word="following">following</span> <span word="conditions">conditions</span>:</p><p> <span word="Neither">Neither</span> <span word="cage">cage</span> <span word="can">can</span> <span word="contain">contain</span> <span word="more">more</span> <span word="than">than</span> <span word="four">four</span> <span word="birds">birds</span>. <span word="Any">Any</span> <span word="two">two</span> <span word="birds">birds</span> <span word="that">that</span> <span word="are">are</span> <span word="both">both</span> <span word="of">of</span> <span word="the">the</span> <span word="same">same</span> <span word="sex">sex</span> <span word="and">and</span> <span word="of">of</span> <span word="the">the</span> <span word="same">same</span> <span word="kind">kind</span> <span word="as">as</span> <span word="each">each</span> <span word="other">other</span> <span word="cannot">cannot</span> <span word="be">be</span> <span word="caged">caged</span> <span word="together">together</span>. <span word="Whenever">Whenever</span> <span word="either">either</span> <span word="J">J</span> <span word="or">or</span> <span word="W">W</span> <span word="is">is</span> <span word="exhibited">exhibited</span>, <span word="S">S</span> <span word="cannot">cannot</span> <span word="be">be</span> <span word="exhibited">exhibited</span>.</p><p> . <span word="Which">Which</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="is">is</span> <span word="a">a</span> <span word="possible">possible</span> <span word="assignment">assignment</span> <span word="of">of</span> <span word="the">the</span> <span word="birds">birds</span>?</p><p> <span word="First">First</span> <span word="Cage">Cage</span> <span word="Second">Second</span> <span word="Cage">Cage</span> <span word="Exhibition">Exhibition</span></p><p> <span word="H">H</span>, <span word="M">M</span>, <span word="N">N</span> <span word="J">J</span>, <span word="K">K</span>, <span word="S">S</span> <span word="Q">Q</span>, <span word="R">R</span>, <span word="T">T</span>, <span word="W">W</span></p><p> <span word="K">K</span>, <span word="M">M</span>, <span word="Q">Q</span> <span word="N">N</span>, <span word="R">R</span>, <span word="W">W</span> <span word="H">H</span>, <span word="J">J</span>, <span word="S">S</span>, <span word="T">T</span></p><p> <span word="K">K</span>, <span word="Q">Q</span>, <span word="S">S</span> <span word="R">R</span>, <span word="T">T</span>, <span word="W">W</span> <span word="H">H</span>, <span word="J">J</span>, <span word="M">M</span>, <span word="N">N</span></p><p> <span word="H">H</span>, <span word="J">J</span>, <span word="M">M</span>, <span word="R">R</span> <span word="K">K</span>, <span word="N">N</span>, <span word="S">S</span>, <span word="W">W</span> <span word="Q">Q</span>, <span word="T">T</span></p>
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