2017届高考英语一轮复习提能训练：23（北师大版含解析）
<p> 2017高考英语【北师大版】一轮复习提能训练（23）含（解析）答案</p><p> 高考题型提能练(二十三) <span word="Unit">Unit</span> 23</p><p> Ⅰ.阅读理解</p><p> <span word="A">A</span></p><p> <span word="It">It</span> <span word="is">is</span> <span word="a">a</span> <span word="tall">tall</span> <span word="tale">tale</span> <span word="that">that</span> <span word="terrifies">terrifies</span> <span word="most">most</span> <span word="young">young</span> <span word="children">children</span>. <span word="Swallow">Swallow</span> <span word="a">a</span> <span word="piece">piece</span> <span word="of">of</span> <span word="chewing">chewing</span> <span word="gum">gum</span> <span word="and">and</span> <span word="it">it</span> <span word="will">will</span></p><p> <span word="remain">remain</span> <span word="in">in</span> <span word="your">your</span> <span word="body">body</span> <span word="for">for</span> <span word="seven">seven</span> <span word="years">years</span> <span word="before">before</span> <span word="it">it</span> <span word="is">is</span> <span word="digested">digested</span>. <span word="An">An</span> <span word="even">even</span> <span word="worse">worse</span> <span word="tale">tale</span> <span word="is">is</span> <span word="that">that</span> <span word="swallowed">swallowed</span></p><p> <span word="gum">gum</span> <span word="can">can</span> <span word="wrap">wrap</span> <span word="itself">itself</span> <span word="around">around</span> <span word="your">your</span> <span word="heart">heart</span>.</p><p> <span word="But">But</span> <span word="what">what</span> <span word="does">does</span> <span word="happen">happen</span> <span word="if">if</span> <span word="you">you</span> <span word="should">should</span> <span word="accidentally">accidentally</span> <span word="eat">eat</span> <span word="a">a</span> <span word="stick">stick</span> <span word="of">of</span> <span word="gum">gum</span>? <span word="Chewing">Chewing</span> <span word="gum">gum</span> <span word="is">is</span> <span word="made">made</span></p><p> <span word="out">out</span> <span word="of">of</span> <span word="gum">gum</span> <span word="base">base</span>, <span word="sweeteners">sweeteners</span>, <span word="coloring">coloring</span> <span word="and">and</span> <span word="flavoring">flavoring</span>. <span word="The">The</span> <span word="gum">gum</span> <span word="base">base</span> <span word="is">is</span> <span word="pretty">pretty</span> <span word="indigestible">indigestible</span>—<span word="it">it</span> <span word="is">is</span> <span word="a">a</span></p><p> <span word="mixture">mixture</span> <span word="of">of</span> <span word="different">different</span> <span word="ingredients">ingredients</span> (成分) <span word="that">that</span> <span word="our">our</span> <span word="body">body</span> <span word="can">can</span>'<span word="t">t</span> <span word="absorb">absorb</span>.</p><p> <span word="Most">Most</span> <span word="of">of</span> <span word="the">the</span> <span word="time">time</span>, <span word="your">your</span> <span word="stomach">stomach</span> <span word="really">really</span> <span word="cannot">cannot</span> <span word="break">break</span> <span word="down">down</span> <span word="the">the</span> <span word="gum">gum</span> <span word="the">the</span> <span word="way">way</span> <span word="it">it</span> <span word="would">would</span> <span word="break">break</span></p><p> <span word="down">down</span> <span word="other">other</span> <span word="foods">foods</span>. <span word="However">However</span>, <span word="your">your</span> <span word="digestive">digestive</span> <span word="system">system</span> <span word="has">has</span> <span word="another">another</span> <span word="way">way</span> <span word="to">to</span> <span word="deal">deal</span> <span word="with">with</span> <span word="things">things</span> <span word="you">you</span></p><p> <span word="swallow">swallow</span>. <span word="After">After</span> <span word="all">all</span>, <span word="we">we</span> <span word="eat">eat</span> <span word="lots">lots</span> <span word="of">of</span> <span word="things">things</span> <span word="that">that</span> <span word="we">we</span> <span word="are">are</span> <span word="unable">unable</span> <span word="to">to</span> <span word="fully">fully</span> <span word="digest">digest</span>. <span word="They">They</span> <span word="keep">keep</span> <span word="moving">moving</span></p><p> <span word="along">along</span> <span word="until">until</span> <span word="they">they</span> <span word="make">make</span> <span word="it">it</span> <span word="all">all</span> <span word="the">the</span> <span word="way">way</span> <span word="through">through</span> <span word="the">the</span> <span word="gut">gut</span> (肠子) <span word="and">and</span> <span word="come">come</span> <span word="out">out</span> <span word="at">at</span> <span word="the">the</span> <span word="other">other</span> <span word="end">end</span> <span word="one">one</span> <span word="or">or</span></p><p> <span word="two">two</span> <span word="days">days</span> <span word="later">later</span>.</p><p> <span word="The">The</span> <span word="saliva">saliva</span> (唾液) <span word="in">in</span> <span word="our">our</span> <span word="mouths">mouths</span> <span word="will">will</span> <span word="make">make</span> <span word="an">an</span> <span word="attempt">attempt</span> <span word="at">at</span> <span word="digesting">digesting</span> <span word="chewing">chewing</span> <span word="gum">gum</span> <span word="as">as</span> <span word="soon">soon</span> <span word="as">as</span></p><p> <span word="we">we</span> <span word="put">put</span> <span word="it">it</span> <span word="in">in</span> <span word="our">our</span> <span word="mouths">mouths</span>. <span word="It">It</span> <span word="might">might</span> <span word="get">get</span> <span word="through">through</span> <span word="the">the</span> <span word="shell">shell</span> <span word="but">but</span> <span word="many">many</span> <span word="of">of</span> <span word="gum">gum</span>'<span word="s">s</span> <span word="base">base</span> <span word="ingredients">ingredients</span> <span word="are">are</span></p>
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