【金版教程】2017高考英语二轮复习训练：2-4 说明文b（含解析）
<p> 建议用时：50分钟</p><p> Ⅰ.完形填空</p><p> <span word="Visitors">Visitors</span> <span word="to">to</span> <span word="the">the</span> <span word="dry">dry</span>, <span word="hot">hot</span> <span word="Sonoran">Sonoran</span> <span word="Desert">Desert</span> <span word="of">of</span> <span word="the">the</span> <span word="southern">southern</span> <span word="Arizona">Arizona</span> <span word="and">and</span> <span word="northern">northern</span> <span word="Mexico">Mexico</span> <span word="are">are</span> <span word="amazed">amazed</span> <span word="at">at</span> <span word="the">the</span> <span word="many">many</span><span word="armed">armed</span> <span word="giants">giants</span>. <span word="They">They</span> <span word="are">are</span> <span word="the">the</span> <span word="saguaro">saguaro</span> <span word="cacti">cacti</span> (树形仙人掌), <span word="a">a</span> <span word="giant">giant</span> <span word="which">which</span> <span word="gives">gives</span> <span word="the">the</span> <span word="landscape">landscape</span> <span word="its">its</span> __1__ <span word="appearance">appearance</span>. <span word="In">In</span> <span word="the">the</span> <span word="dry">dry</span> <span word="desert">desert</span> <span word="the">the</span> <span word="saguaro">saguaro</span> <span word="cacti">cacti</span> <span word="can">can</span> <span word="live">live</span> <span word="for">for</span> <span word="more">more</span> <span word="than">than</span> 200 <span word="years">years</span>, <span word="grow">grow</span> <span word="to">to</span> <span word="a">a</span> __2__ <span word="of">of</span> 60 <span word="feet">feet</span>, <span word="and">and</span> <span word="have">have</span> <span word="as">as</span> <span word="many">many</span> <span word="as">as</span> 50 <span word="arms">arms</span>.</p><p> <span word="More">More</span> __3__， <span word="the">the</span> <span word="saguaro">saguaro</span> <span word="cacti">cacti</span> <span word="still">still</span> <span word="persist">persist</span> <span word="despite">despite</span> <span word="the">the</span> <span word="unbearable">unbearable</span> <span word="desert">desert</span> <span word="climate">climate</span>. <span word="Those">Those</span> <span word="that">that</span> <span word="have">have</span> <span word="grown">grown</span> <span word="to">to</span> <span word="old">old</span> <span word="age">age</span> <span word="have">have</span> __4__ <span word="droughts">droughts</span>, <span word="freezes">freezes</span>, <span word="flash">flash</span> <span word="floods">floods</span>, <span word="and">and</span> <span word="bush">bush</span> <span word="fires">fires</span> <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="the">the</span> __5__ <span word="caused">caused</span> <span word="by">by</span> <span word="groups">groups</span> <span word="of">of</span> <span word="rats">rats</span> <span word="that">that</span> <span word="eat">eat</span> <span word="their">their</span> <span word="seedlings">seedlings</span> (秧苗). <span word="Like">Like</span> <span word="all">all</span> <span word="other">other</span> <span word="desert">desert</span> __6__， <span word="these">these</span> <span word="leafless">leafless</span> <span word="giants">giants</span> <span word="can">can</span> <span word="store">store</span> <span word="water">water</span> <span word="for">for</span> <span word="use">use</span> <span word="during">during</span> <span word="the">the</span> <span word="desert">desert</span>'<span word="s">s</span> <span word="long">long</span> <span word="dry">dry</span> <span word="seasons">seasons</span> <span word="by">by</span> __7__ <span word="water">water</span> <span word="through">through</span> <span word="their">their</span> <span word="long">long</span> <span word="roots">roots</span>.</p><p> <span word="Naturally">Naturally</span>, <span word="the">the</span> <span word="great">great</span> <span word="saguaro">saguaro</span> <span word="cacti">cacti</span> <span word="are">are</span> <span word="a">a</span>(<span word="n">n</span>) __8__ <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="desert">desert</span> <span word="life">life</span>. <span word="Actually">Actually</span> <span word="the">the</span> <span word="giants">giants</span> <span word="may">may</span> <span word="be">be</span> __9__ <span word="to">to</span> <span word="many">many</span> <span word="animals">animals</span>, <span word="including">including</span> <span word="woodpeckers">woodpeckers</span>, <span word="owls">owls</span>, <span word="doves">doves</span>, <span word="bats">bats</span> <span word="and">and</span> <span word="insects">insects</span>. <span word="In">In</span> <span word="addition">addition</span>, <span word="after">after</span> <span word="a">a</span> <span word="saguaro">saguaro</span> __10__ <span word="the">the</span> <span word="age">age</span> <span word="of">of</span> 50 <span word="or">or</span> <span word="so">so</span>, <span word="cold">cold</span><span word="resistant">resistant</span> <span word="flowers">flowers</span> __11__ <span word="at">at</span> <span word="the">the</span> <span word="top">top</span> <span word="of">of</span> <span word="the">the</span> <span word="plants">plants</span> <span word="once">once</span> <span word="a">a</span> <span word="year">year</span>. <span word="These">These</span> <span word="flowers">flowers</span> __12__ <span word="birds">birds</span>, <span word="bats">bats</span> <span word="and">and</span> <span word="bees">bees</span>, <span word="which">which</span> <span word="come">come</span> <span word="for">for</span> <span word="the">the</span> <span word="honey">honey</span> <span word="and">and</span> <span word="for">for</span> <span word="the">the</span> <span word="tasty">tasty</span> <span word="flowers">flowers</span> <span word="with">with</span> <span word="their">their</span> <span word="black">black</span> <span word="seeds">seeds</span>.</p><p> __13__ <span word="the">the</span> <span word="splendid">splendid</span> <span word="saguaros">saguaros</span> <span word="are">are</span> <span word="plentiful">plentiful</span> <span word="in">in</span> <span word="the">the</span> <span word="Southwest">Southwest</span>, <span word="they">they</span> <span word="are">are</span> <span word="unfortunately">unfortunately</span> __14__. <span word="These">These</span> <span word="giant">giant</span> <span word="cacti">cacti</span> <span word="have">have</span> <span word="great">great</span> <span word="value">value</span> <span word="in">in</span> <span word="landscape">landscape</span> <span word="gardening">gardening</span>, <span word="and">and</span> <span word="the">the</span> <span word="thieves">thieves</span> <span word="can">can</span> <span word="earn">earn</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="dollars">dollars</span> <span word="by">by</span> <span word="uprooting">uprooting</span> <span word="and">and</span> __15__ <span word="them">them</span> <span word="to">to</span> <span word="nurseries">nurseries</span> (苗圃). <span word="To">To</span> <span word="protect">protect</span> <span word="these">these</span> <span word="southwestern">southwestern</span> __16__， <span word="agents">agents</span> <span word="for">for</span> <span word="the">the</span> <span word="Arizona">Arizona</span> <span word="Department">Department</span> <span word="of">of</span> <span word="Agriculture">Agriculture</span> <span word="go">go</span> <span word="around">around</span> <span word="and">and</span> __17__ <span word="the">the</span> <span word="desert">desert</span>. <span word="It">It</span>'<span word="s">s</span> <span word="a">a</span> <span word="most">most</span> <span word="important">important</span> <span word="job">job</span> <span word="though">though</span> <span word="a">a</span> <span word="hard">hard</span> <span word="one">one</span>. <span word="But">But</span> <span word="without">without</span> <span word="the">the</span> <span word="saguaro">saguaro</span> <span word="cacti">cacti</span>, <span word="many">many</span> <span word="desert">desert</span> <span word="animals">animals</span> <span word="would">would</span> <span word="suffer">suffer</span> <span word="a">a</span> <span word="lack">lack</span> <span word="of">of</span> __18__ <span word="and">and</span> <span word="loss">loss</span> <span word="of">of</span> <span word="nesting">nesting</span> <span word="sites">sites</span>. <span word="The">The</span> <span word="Southwest">Southwest</span>, <span word="too">too</span>, <span word="would">would</span> __19__ <span word="something">something</span> <span word="of">of</span> <span word="unique">unique</span> <span word="importance">importance</span>, <span word="since">since</span> <span word="these">these</span> <span word="desert">desert</span> <span word="giants">giants</span> <span word="have">have</span> <span word="become">become</span> <span word="a">a</span> __20__ <span word="of">of</span> <span word="the">the</span> <span word="dry">dry</span> <span word="region">region</span>.</p>
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