2016届高考英语一轮复习课时作业：语言朋友（100）(北师大版)
<p> 语言朋友(100) <span word="Don">Don</span>'<span word="t">t</span> <span word="look">look</span> <span word="at">at</span> <span word="the">the</span> <span word="sky">sky</span>.<span word="Don">Don</span>'<span word="t">t</span> <span word="look">look</span> <span word="for">for</span> <span word="old">old</span> <span word="weather">weather</span> <span word="reports">reports</span>.<span word="Looking">Looking</span> <span word="at">at</span> <span word="the">the</span> <span word="tree">tree</span> <span word="rings">rings</span> <span word="is">is</span> <span word="more">more</span> <span word="important">important</span>.<span word="Correct">Correct</span> <span word="weather">weather</span> <span word="reports">reports</span> <span word="date">date</span> <span word="back">back</span> <span word="only">only</span> <span word="one">one</span> <span word="century">century</span>, <span word="but">but</span> <span word="some">some</span> <span word="trees">trees</span> <span word="can">can</span> <span word="provide">provide</span> <span word="an">an</span> <span word="exact">exact</span> <span word="record">record</span> <span word="of">of</span> <span word="weather">weather</span> <span word="even">even</span> <span word="further">further</span> <span word="back">back</span>.</p><p> <span word="It">It</span> <span word="is">is</span> <span word="natural">natural</span> <span word="that">that</span> <span word="a">a</span> <span word="tree">tree</span> <span word="would">would</span> <span word="grow">grow</span> <span word="best">best</span> <span word="in">in</span> <span word="a">a</span> <span word="climate">climate</span> <span word="with">with</span> <span word="plenty">plenty</span> <span word="of">of</span> <span word="sunlight">sunlight</span> <span word="and">and</span> <span word="rainfall">rainfall</span>.<span word="It">It</span> <span word="is">is</span> <span word="also">also</span> <span word="expected">expected</span> <span word="that">that</span> <span word="little">little</span> <span word="sunlight">sunlight</span> <span word="or">or</span> <span word="rainfall">rainfall</span> <span word="would">would</span> <span word="reduce">reduce</span> <span word="the">the</span> <span word="growth">growth</span> <span word="of">of</span> <span word="a">a</span> <span word="tree">tree</span>.<span word="The">The</span> <span word="change">change</span> <span word="from">from</span> <span word="a">a</span> <span word="favorable">favorable</span> <span word="to">to</span> <span word="an">an</span> <span word="unfavorable">unfavorable</span> <span word="climate">climate</span> <span word="can">can</span> <span word="be">be</span> <span word="found">found</span> <span word="out">out</span> <span word="by">by</span> <span word="the">the</span> <span word="reading">reading</span> <span word="pattern">pattern</span> <span word="of">of</span> <span word="rings">rings</span> <span word="in">in</span> <span word="a">a</span> <span word="tree">tree</span> <span word="trunk">trunk</span>.<span word="To">To</span> <span word="find">find</span> <span word="out">out</span> <span word="the">the</span> <span word="weather">weather</span> <span word="of">of</span> <span word="ten">ten</span> <span word="years">years</span> <span word="ago">ago</span>, <span word="you">you</span> <span word="can">can</span> <span word="count">count</span> <span word="the">the</span> <span word="rings">rings</span> <span word="of">of</span> <span word="a">a</span> <span word="tree">tree</span> <span word="trunk">trunk</span> <span word="from">from</span> <span word="the">the</span> <span word="outside">outside</span> <span word="to">to</span> <span word="the">the</span> <span word="inside">inside</span>.<span word="If">If</span> <span word="the">the</span> <span word="tenth">tenth</span> <span word="ring">ring</span> <span word="is">is</span> <span word="far">far</span> <span word="from">from</span> <span word="the">the</span> <span word="other">other</span> <span word="rings">rings</span>, <span word="then">then</span> <span word="it">it</span> <span word="is">is</span> <span word="certain">certain</span> <span word="that">that</span> <span word="plenty">plenty</span> <span word="of">of</span> <span word="sunny">sunny</span> <span word="and">and</span> <span word="rainy">rainy</span> <span word="weather">weather</span> <span word="occurred">occurred</span>.<span word="If">If</span> <span word="the">the</span> <span word="rings">rings</span> <span word="are">are</span> <span word="close">close</span> <span word="together">together</span>, <span word="then">then</span> <span word="the">the</span> <span word="climate">climate</span> <span word="was">was</span> <span word="bad">bad</span> <span word="for">for</span> <span word="the">the</span> <span word="tree">tree</span>.</p><p> <span word="Studying">Studying</span> <span word="trees">trees</span> <span word="is">is</span> <span word="important">important</span> <span word="not">not</span> <span word="only">only</span> <span word="for">for</span> <span word="the">the</span> <span word="history">history</span> <span word="of">of</span> <span word="weather">weather</span>，<span word="but">but</span> <span word="also">also</span> <span word="for">for</span> <span word="the">the</span> <span word="history">history</span> <span word="of">of</span> <span word="man">man</span>.<span word="In">In</span> <span word="an">an</span> <span word="area">area</span> <span word="of">of</span> <span word="New">New</span> <span word="Mexico">Mexico</span> <span word="you">you</span> <span word="can">can</span> <span word="find">find</span> <span word="only">only</span> <span word="sand">sand</span>－<span word="no">no</span> <span word="trees">trees</span> <span word="or">or</span> <span word="people">people</span>.<span word="Howevere">Howevere</span> <span word="up">up</span> <span word="his">his</span> <span word="mind">mind</span> <span word="that">that</span> <span word="the">the</span> <span word="people">people</span> <span word="had">had</span> <span word="to">to</span> <span word="leave">leave</span> <span word="because">because</span> <span word="they">they</span> <span word="had">had</span> <span word="cut">cut</span> <span word="down">down</span> <span word="all">all</span> <span word="the">the</span> <span word="trees">trees</span>.<span word="Trees">Trees</span> <span word="were">were</span> <span word="necessary">necessary</span> <span word="to">to</span> <span word="make">make</span> <span word="fires">fires</span> <span word="and">and</span> <span word="buildings">buildings</span>.<span word="So">So</span>, <span word="after">after</span> <span word="the">the</span> <span word="people">people</span> <span word="destroyed">destroyed</span> <span word="the">the</span> <span word="trees">trees</span>, <span word="they">they</span> <span word="had">had</span> <span word="to">to</span> <span word="move">move</span>.</p><p> <span word="In">In</span> <span word="this">this</span> <span word="example">example</span> <span word="studying">studying</span> <span word="tree">tree</span> <span word="rings">rings</span> <span word="uncovered">uncovered</span> <span word="an">an</span> <span word="exciting">exciting</span> <span word="fact">fact</span> <span word="about">about</span> <span word="the">the</span> <span word="history">history</span> <span word="of">of</span> <span word="man">man</span>.</p><p> 解题导语：研究树的年轮不但对研究气候史有重要作用还有助于研究人类历史。________．<span word="e">e</span> <span word="left">left</span></p>
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