GRE数学三大难点及实例剖析
<p> 1.<span word="GRE">GRE</span>数学题目之无选项计算题</p><p> 例：<span word="The">The</span> <span word="averageof">averageof</span> <span word="the">the</span> 11 <span word="numbers">numbers</span> <span word="in">in</span> <span word="a">a</span> <span word="list">list</span> <span word="is">is</span> 14. <span word="If">If</span> <span word="the">the</span> <span word="average">average</span> <span word="of">of</span> 9 <span word="of">of</span> <span word="the">the</span> <span word="numbers">numbers</span> <span word="in">in</span> <span word="the">the</span> <span word="list">list</span> <span word="is">is</span> 9，<span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="average">average</span> <span word="of">of</span> <span word="the">the</span> <span word="other">other</span> 2 <span word="numbers">numbers</span>?的理解要求 提高了。</p><p> 2.<span word="GRE">GRE</span>数学题目之多项选择题</p><p> 例：<span word="In">In</span> <span word="triangle">triangle</span> <span word="ABC">ABC</span>，<span word="the">the</span> <span word="measure">measure</span> <span word="of">of</span> <span word="angle">angle</span> <span word="A">A</span> <span word="is">is</span> 25 <span word="and">and</span> <span word="the">the</span> <span word="measure">measure</span> <span word="of">of</span> <span word="angle">angle</span> <span word="B">B</span> <span word="is">is</span> <span word="greater">greater</span> <span word="than">than</span> 90. <span word="Which">Which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="could">could</span> <span word="be">be</span> <span word="the">the</span> <span word="measure">measure</span> <span word="of">of</span> <span word="angle">angle</span> <span word="C">C</span>?</p><p> <span word="Indicate">Indicate</span> <span word="all">all</span> <span word="possible">possible</span> <span word="values">values</span>.</p><p> <span word="A">A</span>. 12 <span word="B">B</span>. 15<span word="C">C</span>. 45 <span word="D">D</span>. 50 <span word="E">E</span>.70</p><p> 本题考察的是三角形的基本性质：内角和等于180度。由题意可知角<span word="A">A</span>角<span word="B">B</span>之和大于115度，由此可以得出<span word="A">A</span>、<span word="B">B</span>、<span word="C">C</span>、<span word="D">D</span>为正确答案。</p><p> 由于<span word="GRE">GRE</span>数学本身考察的数学知识并没有变难，所以这种题型仅仅是增加了考生思维的复杂性，并要求考生更加细心。</p><p> 3.<span word="GRE">GRE</span>数学题目之判断题</p><p> 例：<span word="The">The</span> <span word="symbol">symbol</span> ? <span word="represents">represents</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="four">four</span> <span word="operations">operations</span> <span word="of">of</span> <span word="addition">addition</span>, <span word="subtraction">subtraction</span>, <span word="multiplication">multiplication</span>, <span word="and">and</span> <span word="division">division</span>, <span word="and">and</span> 3 ? 1 = 3.</p><p> <span word="For">For</span> <span word="each">each</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="equations">equations</span>, <span word="indicate">indicate</span> <span word="whether">whether</span> <span word="the">the</span> <span word="equation">equation</span> <span word="must">must</span> <span word="be">be</span> <span word="true">true</span>, <span word="must">must</span> <span word="be">be</span> <span word="false">false</span>, <span word="or">or</span> <span word="could">could</span> <span word="be">be</span> <span word="either">either</span> <span word="true">true</span> <span word="or">or</span> <span word="false">false</span>.</p><p> <span word="Equation">Equation</span></p><p> <span word="Must">Must</span> <span word="Be">Be</span> <span word="True">True</span></p><p> <span word="Must">Must</span> <span word="Be">Be</span> <span word="False">False</span></p><p> <span word="Could">Could</span> <span word="Be">Be</span> <span word="True">True</span> <span word="or">or</span> <span word="False">False</span></p>
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