写作：GRE作文ARGUMENT126篇真题五六
<p> ５６、<span word="Typically">Typically</span>, <span word="as">as</span> <span word="people">people</span> <span word="age">age</span>, <span word="their">their</span> <span word="bone">bone</span> <span word="mass">mass</span> <span word="decreases">decreases</span>, <span word="making">making</span> <span word="them">them</span> <span word="more">more</span> <span word="vulnerable">vulnerable</span> <span word="to">to</span> <span word="bone">bone</span> <span word="fractures">fractures</span>. <span word="A">A</span> <span word="recent">recent</span> <span word="study">study</span> <span word="concludes">concludes</span> <span word="that">that</span> <span word="the">the</span> <span word="most">most</span> <span word="effective">effective</span> <span word="way">way</span> <span word="to">to</span> <span word="reduce">reduce</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="fractures">fractures</span> <span word="in">in</span> <span word="later">later</span> <span word="life">life</span> <span word="is">is</span> <span word="to">to</span> <span word="take">take</span> <span word="twice">twice</span> <span word="the">the</span> <span word="recommended">recommended</span> <span word="dose">dose</span> <span word="of">of</span> <span word="vitamin">vitamin</span> <span word="D">D</span> <span word="and">and</span> <span word="calcium">calcium</span> <span word="daily">daily</span>. <span word="The">The</span> <span word="three">three</span>-<span word="year">year</span> <span word="study">study</span> <span word="followed">followed</span> <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="French">French</span> <span word="women">women</span> <span word="in">in</span> <span word="their">their</span> <span word="eighties">eighties</span> <span word="who">who</span> <span word="were">were</span> <span word="nursing">nursing</span>-<span word="home">home</span> <span word="residents">residents</span>. <span word="The">The</span> <span word="women">women</span> <span word="were">were</span> <span word="given">given</span> <span word="daily">daily</span> <span word="supplements">supplements</span> <span word="of">of</span> <span word="twice">twice</span> <span word="the">the</span> <span word="recommended">recommended</span> <span word="dose">dose</span> <span word="of">of</span> <span word="vitamin">vitamin</span> <span word="D">D</span> <span word="and">and</span> <span word="calcium">calcium</span>. <span word="In">In</span> <span word="addition">addition</span>, <span word="the">the</span> <span word="women">women</span> <span word="participated">participated</span> <span word="in">in</span> <span word="a">a</span> <span word="light">light</span> <span word="weightlifting">weightlifting</span> <span word="program">program</span>. <span word="After">After</span> <span word="three">three</span> <span word="years">years</span>, <span word="these">these</span> <span word="women">women</span> <span word="showed">showed</span> <span word="a">a</span> <span word="much">much</span> <span word="lower">lower</span> <span word="rate">rate</span> <span word="of">of</span> <span word="hip">hip</span> <span word="fractures">fractures</span> <span word="than">than</span> <span word="is">is</span> <span word="average">average</span> <span word="for">for</span> <span word="their">their</span> <span word="age">age</span>.</p><p> </p>
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