GRE数学几何重点试题讲解(四)
<p> 考生如果觉得复习<span word="gre">gre</span>数学考试比较难不妨从这些题目练习开始，每篇都是按照分类给大家列举了一些典型题目，本篇主要是针对<span word="gre">gre</span>数学几何题型方面的典型题目及答案。</p><p> 26.<span word="Three">Three</span> <span word="solid">solid</span> <span word="cubes">cubes</span> <span word="of">of</span> <span word="lead">lead</span>, <span word="each">each</span> <span word="with">with</span> <span word="edges">edges</span> 10 <span word="centimeters">centimeters</span> <span word="long">long</span>, <span word="are">are</span> <span word="melted">melted</span> <span word="together">together</span> <span word="in">in</span> <span word="a">a</span> <span word="level">level</span>, <span word="rectangular">rectangular</span> <span word="shaped">shaped</span> <span word="pan">pan</span>. <span word="The">The</span> <span word="base">base</span> <span word="of">of</span> <span word="the">the</span> <span word="pan">pan</span> <span word="has">has</span> <span word="inside">inside</span> <span word="dimensions">dimensions</span> <span word="of">of</span> 20 <span word="centimeters">centimeters</span> <span word="by">by</span> 30 <span word="centimeters">centimeters</span>, <span word="and">and</span> <span word="the">the</span> <span word="pan">pan</span> <span word="is">is</span> 15 <span word="centimeters">centimeters</span> <span word="deep">deep</span>. <span word="If">If</span> <span word="the">the</span> <span word="volume">volume</span> <span word="of">of</span> <span word="the">the</span> <span word="solid">solid</span> <span word="lead">lead</span> <span word="is">is</span> <span word="approximately">approximately</span> <span word="the">the</span> <span word="same">same</span> <span word="as">as</span> <span word="the">the</span> <span word="volume">volume</span> <span word="of">of</span> <span word="the">the</span> <span word="melted">melted</span> <span word="lead">lead</span>, <span word="approximately">approximately</span> <span word="how">how</span> <span word="many">many</span> <span word="centimeters">centimeters</span> <span word="deep">deep</span> <span word="is">is</span> <span word="the">the</span> <span word="melted">melted</span> <span word="lead">lead</span> <span word="in">in</span> <span word="the">the</span> <span word="pan">pan</span>?</p><p> <span word="A">A</span>.2.5</p><p> <span word="B">B</span>.3</p><p> <span word="C">C</span>.5</p><p> <span word="D">D</span>.7.5</p><p> <span word="E">E</span>.9</p><p> 答案：<span word="C">C</span></p><p> 27.<span word="In">In</span> <span word="the">the</span> <span word="figure">figure</span> <span word="above">above</span>, <span word="if">if</span> <span word="x">x</span>, <span word="y">y</span>, <span word="and">and</span> <span word="z">z</span> <span word="are">are</span> <span word="integers">integers</span> <span word="such">such</span> <span word="that">that</span> <span word="x">x</span></p><p> <span word="A">A</span>.59 <span word="and">and</span> 91</p><p> <span word="B">B</span>.59 <span word="and">and</span> 135</p><p> <span word="C">C</span>.91 <span word="and">and</span> 178</p><p> <span word="D">D</span>.120 <span word="and">and</span> 135</p><p> <span word="E">E</span>.120 <span word="and">and</span> 178</p><p> 答案：<span word="C">C</span></p><p> 28.<span word="In">In</span> <span word="the">the</span> <span word="rectangular">rectangular</span> <span word="coordinate">coordinate</span> <span word="system">system</span> <span word="above">above</span>, <span word="if">if</span> <span word="P">P</span>, <span word="not">not</span> <span word="shown">shown</span>, <span word="is">is</span> <span word="a">a</span> <span word="point">point</span> <span word="AB">AB</span> <span word="and">and</span> <span word="if">if</span> <span word="the">the</span> <span word="x">x</span>-<span word="coordinate">coordinate</span> <span word="of">of</span> <span word="P">P</span> <span word="is">is</span> 1, <span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="y">y</span>-<span word="coordinate">coordinate</span> <span word="of">of</span> <span word="P">P</span>?</p><p> <span word="A">A</span>.4/3</p><p> <span word="B">B</span>.3/2</p><p> <span word="C">C</span>.7/3</p><p> <span word="D">D</span>.5/2</p><p> <span word="E">E</span>.8/3</p><p> 答案：<span word="A">A</span></p>
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