GRE数学易错题型解析（1-10）
<p> 1. <span word="l">l</span>1, <span word="l">l</span>2 <span word="and">and</span> <span word="l">l</span>3 <span word="are">are</span> <span word="three">three</span> <span word="lines">lines</span> <span word="in">in</span> <span word="space">space</span></p><p> <span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="points">points</span> <span word="at">at</span> <span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="points">points</span> <span word="at">at</span></p><p> <span word="which">which</span> <span word="lines">lines</span> <span word="l">l</span>1 <span word="and">and</span> <span word="l">l</span>2 <span word="intersect">intersect</span> <span word="which">which</span> <span word="lines">lines</span> <span word="l">l</span>2 <span word="and">and</span> <span word="l">l</span>3 <span word="intersect">intersect</span></p><p> 1，三条肆意直线，<span word="L">L</span>1和<span word="L">L</span>2的交点的个数与<span word="L">L</span>2和<span word="L">L</span>3的交点的个数没关。</p><p> 2. <span word="The">The</span> <span word="number">number</span> <span word="of">of</span> 1/4-<span word="inch">inch</span> <span word="lengths">lengths</span> <span word="in">in</span> 1</p><p> <span word="a">a</span> 4-<span word="inch">inch</span> <span word="length">length</span></p><p> 2，是问4英尺中有若干好多个1/4英尺，应该是16个，所以<span word="A">A</span></p><p> 3. <span word="The">The</span> <span word="maximun">maximun</span> <span word="number">number</span> <span word="of">of</span> <span word="solid">solid</span> <span word="cubes">cubes</span> 4</p><p> <span word="having">having</span> <span word="edges">edges</span> <span word="of">of</span> <span word="length">length</span> 1/2 <span word="meter">meter</span> <span word="that">that</span></p><p> <span word="can">can</span> <span word="be">be</span> <span word="placed">placed</span> <span word="inside">inside</span> <span word="a">a</span> <span word="cubical">cubical</span> <span word="box">box</span></p><p> <span word="having">having</span> <span word="inside">inside</span> <span word="edges">edges</span> <span word="of">of</span> <span word="length">length</span> 1 <span word="meter">meter</span></p><p> 3边长为1的立方体里最多能放下几个边长为1/2的立方体，当然是8个咯</p><p> 4. <span word="Cube">Cube</span> <span word="C">C</span> <span word="has">has</span> <span word="volume">volume</span> 8 <span word="cubic">cubic</span> <span word="centimeters">centimeters</span></p><p> <span word="The">The</span> <span word="area">area</span> <span word="of">of</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="faces">faces</span> <span word="of">of</span> <span word="cube">cube</span> <span word="C">C</span> 3 <span word="square">square</span> <span word="centimeters">centimeters</span></p><p> 4立方体体积是8，那一个面的面积当然是4咯</p><p> 5. <span word="Ms">Ms</span>.<span word="Smith">Smith</span> <span word="got">got</span> <span word="an">an</span> 8 <span word="percent">percent</span> <span word="cost">cost</span>-<span word="of">of</span>-<span word="living">living</span> <span word="raise">raise</span> <span word="of">of</span> $20 <span word="per">per</span> <span word="week">week</span></p><p> <span word="Ms">Ms</span>.<span word="Smiths">Smiths</span> <span word="new">new</span> <span word="weekly">weekly</span> <span word="salary">salary</span> $260</p><p> 5 <span word="x">x</span>0.08=20，那<span word="x">x</span>+20=270260</p><p> 6. <span word="On">On</span> <span word="a">a</span> <span word="certain">certain</span> <span word="number">number</span> <span word="live">live</span>, <span word="if">if</span> -7 <span word="is">is</span> <span word="a">a</span> <span word="distance">distance</span> <span word="of">of</span> 4 <span word="from">from</span> <span word="n">n</span> <span word="and">and</span> 7 <span word="is">is</span> <span word="a">a</span> <span word="distance">distance</span> <span word="of">of</span> 18</p><p> <span word="from">from</span> <span word="n">n</span> <span word="then">then</span> <span word="n">n</span>=</p><p> <span word="A">A</span>.25 <span word="B">B</span>.11 <span word="C">C</span>.3 <span word="D">D</span>.-3 <span word="E">E</span>-11</p>
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