GRE数学例题：数据解释题型（8）
<p> <span word="In">In</span> 1970, <span word="if">if</span> 5 <span word="percent">percent</span> <span word="of">of</span> <span word="the">the</span> <span word="water">water</span> <span word="use">use</span> <span word="was">was</span> <span word="for">for</span> <span word="domestic">domestic</span> <span word="purposes">purposes</span>, <span word="approximately">approximately</span> <span word="what">what</span> <span word="was">was</span> <span word="the">the</span> <span word="daily">daily</span> <span word="average">average</span> <span word="number">number</span> <span word="of">of</span> <span word="gallons">gallons</span> <span word="of">of</span> <span word="water">water</span> <span word="used">used</span> <span word="per">per</span> <span word="capita">capita</span> <span word="for">for</span> <span word="domestic">domestic</span> <span word="purposes">purposes</span>?</p><p> <span word="A">A</span>.105</p><p> <span word="B">B</span>.50</p><p> <span word="C">C</span>.20</p><p> <span word="D">D</span>.10</p><p> <span word="E">E</span>.5</p><p> 答案：<span word="A">A</span></p><p> <span word="If">If</span> <span word="in">in</span> 1900 <span word="the">the</span> <span word="water">water</span> <span word="use">use</span> <span word="in">in</span> <span word="Country">Country</span> <span word="K">K</span> <span word="was">was</span> <span word="the">the</span> <span word="same">same</span> <span word="as">as</span> <span word="that">that</span> <span word="in">in</span> <span word="Country">Country</span> <span word="X">X</span>, <span word="but">but</span> <span word="increased">increased</span> <span word="at">at</span> <span word="the">the</span> <span word="constant">constant</span> <span word="rate">rate</span> <span word="of">of</span> 3 <span word="billion">billion</span> <span word="gallons">gallons</span> <span word="every">every</span> <span word="year">year</span>, <span word="then">then</span> <span word="the">the</span> <span word="two">two</span> <span word="countries">countries</span> <span word="would">would</span> <span word="again">again</span> <span word="have">have</span> <span word="had">had</span> <span word="the">the</span> <span word="same">same</span> <span word="water">water</span> <span word="use">use</span> <span word="in">in</span> <span word="approximately">approximately</span> <span word="what">what</span> <span word="year">year</span>?</p><p> <span word="A">A</span>.1910</p><p> <span word="B">B</span>.1920</p><p> <span word="C">C</span>.1930</p><p> <span word="D">D</span>.1940</p><p> <span word="E">E</span>.1950</p><p> 答案：<span word="E">E</span></p><p> </p><p> </p>
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