【高考调研】2017届高三英语一轮复习（外研版）课时规范训练22（含解析）
<p> 课时规范训练(单独成册)</p><p> 训练(二十二)</p><p> Ⅰ.阅读理解</p><p> 阅读下列短文，从每题所给的四个选项(<span word="A">A</span>、<span word="B">B</span>、<span word="C">C</span>、<span word="D">D</span>)中，选出最佳选项。</p><p> <span word="A">A</span></p><p> <span word="Not">Not</span> <span word="too">too</span> <span word="big">big</span>，<span word="not">not</span> <span word="too">too</span> <span word="small">small</span>.<span word="Not">Not</span> <span word="too">too</span> <span word="hot">hot</span>，<span word="not">not</span> <span word="too">too</span> <span word="cold">cold</span>.<span word="A">A</span> <span word="newly">newly</span> <span word="discovered">discovered</span> <span word="planet">planet</span> <span word="looks">looks</span> <span word="just">just</span> <span word="right">right</span> <span word="for">for</span> <span word="life">life</span> <span word="as">as</span> <span word="we">we</span> <span word="know">know</span> <span word="it">it</span>，<span word="according">according</span> <span word="to">to</span> <span word="an">an</span> <span word="international">international</span> <span word="group">group</span> <span word="of">of</span> <span word="astronomers">astronomers</span>.</p><p> <span word="Orbiting">Orbiting</span> <span word="a">a</span> <span word="star">star</span> <span word="about">about</span> 500 <span word="light">light</span><span word="years">years</span> <span word="away">away</span>，<span word="the">the</span> <span word="planet">planet</span> <span word="called">called</span> <span word="Kepler">Kepler</span>186<span word="f">f</span> <span word="is">is</span> <span word="about">about</span> <span word="the">the</span> <span word="same">same</span> <span word="size">size</span> <span word="as">as</span> <span word="the">the</span> <span word="Earth">Earth</span>.<span word="It">It</span> <span word="orbits">orbits</span> <span word="its">its</span> <span word="star">star</span> <span word="at">at</span> <span word="the">the</span> <span word="right">right</span> <span word="distance">distance</span> <span word="for">for</span> <span word="liquid">liquid</span> <span word="water">water</span> <span word="on">on</span> <span word="the">the</span> <span word="surface">surface</span>.<span word="That">That</span> <span word="is">is</span> <span word="an">an</span> <span word="essential">essential</span> <span word="condition">condition</span> <span word="for">for</span> <span word="life">life</span>.<span word="But">But</span> <span word="it">it</span> <span word="is">is</span> <span word="not">not</span> <span word="exactly">exactly</span> <span word="like">like</span> <span word="the">the</span> <span word="Earth">Earth</span>.<span word="It">It</span>’<span word="s">s</span> <span word="more">more</span> <span word="of">of</span> <span word="an">an</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="cousin">cousin</span>.<span word="It">It</span>’<span word="s">s</span> <span word="not">not</span> <span word="an">an</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="twin">twin</span>.<span word="It">It</span> <span word="shares">shares</span> <span word="the">the</span> <span word="same">same</span> <span word="characteristics">characteristics</span> <span word="as">as</span> <span word="the">the</span> <span word="Earth">Earth</span>，<span word="but">but</span> <span word="their">their</span> <span word="parent">parent</span> <span word="stars">stars</span> <span word="are">are</span> <span word="very">very</span> <span word="different">different</span>.</p><p> <span word="Kepler">Kepler</span>186<span word="f">f</span> <span word="orbits">orbits</span> <span word="a">a</span> <span word="star">star</span> <span word="that">that</span> <span word="is">is</span> <span word="smaller">smaller</span> <span word="and">and</span> <span word="cooler">cooler</span> <span word="than">than</span> <span word="our">our</span> <span word="sun">sun</span>.<span word="But">But</span> <span word="the">the</span> <span word="planet">planet</span> <span word="appears">appears</span> <span word="to">to</span> <span word="be">be</span> <span word="a">a</span> <span word="closer">closer</span> <span word="relative">relative</span> <span word="than">than</span> <span word="most">most</span> <span word="of">of</span> <span word="the">the</span> <span word="hundreds">hundreds</span> <span word="of">of</span> <span word="others">others</span> <span word="discovered">discovered</span> <span word="so">so</span> <span word="far">far</span>.<span word="Some">Some</span> <span word="are">are</span> <span word="massive">massive</span> <span word="gas">gas</span><span word="covered">covered</span> <span word="giants">giants</span> <span word="with">with</span> <span word="thick">thick</span> <span word="atmospheres">atmospheres</span>.<span word="Others">Others</span> <span word="orbit">orbit</span> <span word="too">too</span> <span word="closely">closely</span> <span word="to">to</span> <span word="their">their</span> <span word="stars">stars</span> <span word="and">and</span> <span word="are">are</span> <span word="too">too</span> <span word="hot">hot</span> <span word="for">for</span> <span word="life">life</span>.<span word="For">For</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span>，<span word="we">we</span> <span word="can">can</span> <span word="actually">actually</span> <span word="say">say</span> <span word="we">we</span> <span word="now">now</span> <span word="have">have</span> <span word="a">a</span> <span word="planet">planet</span> <span word="that">that</span> <span word="is">is</span> <span word="both">both</span> <span word="Earth">Earth</span><span word="sized">sized</span> <span word="and">and</span> <span word="orbits">orbits</span> <span word="in">in</span> <span word="its">its</span> <span word="star">star</span>’<span word="s">s</span> <span word="habitable">habitable</span> <span word="zone">zone</span>.</p><p> <span word="The">The</span> <span word="next">next</span> <span word="step">step</span> <span word="would">would</span> <span word="be">be</span> <span word="to">to</span> <span word="look">look</span> <span word="for">for</span> <span word="signs">signs</span> <span word="of">of</span> <span word="life">life</span> <span word="in">in</span> <span word="the">the</span> <span word="atmospheres">atmospheres</span> <span word="of">of</span> <span word="these">these</span> <span word="distant">distant</span> <span word="worlds">worlds</span>.<span word="That">That</span> <span word="would">would</span> <span word="take">take</span> <span word="a">a</span> <span word="more">more</span> <span word="complicated">complicated</span> <span word="space">space</span> <span word="telescope">telescope</span>.“<span word="But">But</span> <span word="budget">budget</span> <span word="cuts">cuts</span> <span word="threaten">threaten</span> <span word="that">that</span> <span word="mission">mission</span>，” <span word="says">says</span> <span word="University">University</span> <span word="of">of</span> <span word="California">California</span> <span word="at">at</span> <span word="Los">Los</span> <span word="Angeles">Angeles</span> <span word="astrophysicist">astrophysicist</span> <span word="Ben">Ben</span>.</p>
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