职称英语理工类阅读理解原文版练习(11)
<p> <span word="Hidden">Hidden</span> <span word="Species">Species</span> <span word="May">May</span> <span word="Be">Be</span> <span word="Surprisingly">Surprisingly</span> <span word="Common">Common</span> <span word="Reports">Reports</span> <span word="of">of</span> <span word="cryptic">cryptic</span> <span word="species">species</span> <span word="have">have</span> <span word="increased">increased</span> <span word="dramatically">dramatically</span> <span word="over">over</span> <span word="the">the</span> <span word="past">past</span> <span word="two">two</span> <span word="decades">decades</span> <span word="with">with</span> <span word="the">the</span> <span word="advent">advent</span> <span word="of">of</span> <span word="relatively">relatively</span> <span word="inexpensive">inexpensive</span> <span word="DNA">DNA</span> <span word="sequencing">sequencing</span> <span word="technology">technology</span>.<span word="Markus">Markus</span> <span word="Pfenninger">Pfenninger</span> <span word="and">and</span> <span word="Klaus">Klaus</span> <span word="Schwenk">Schwenk</span>，<span word="of">of</span> <span word="the">the</span> <span word="Goethe">Goethe</span>-<span word="Universitat">Universitat</span>，<span word="in">in</span> <span word="Frankfurt">Frankfurt</span>1，<span word="Germany">Germany</span>，<span word="analyzed">analyzed</span> <span word="all">all</span> <span word="known">known</span> <span word="data">data</span> <span word="on">on</span> <span word="cryptic">cryptic</span> <span word="animal">animal</span> <span word="species">species</span> <span word="and">and</span> <span word="discovered">discovered</span> <span word="that">that</span> <span word="they">they</span> <span word="are">are</span> <span word="found">found</span> <span word="in">in</span> <span word="equal">equal</span> <span word="proportions">proportions</span> <span word="throughout">throughout</span> <span word="all">all</span> <span word="major">major</span> <span word="branches">branches</span> <span word="of">of</span> <span word="the">the</span> <span word="animal">animal</span> <span word="kingdom">kingdom</span> <span word="and">and</span> <span word="occur">occur</span> <span word="in">in</span> <span word="equal">equal</span> <span word="numbers">numbers</span> <span word="in">in</span> <span word="all">all</span> <span word="biogeographieal">biogeographieal</span> <span word="regions">regions</span>. <span word="Im">Im</span> <span word="extremely">extremely</span> <span word="surprised">surprised</span> <span word="by">by</span> <span word="their">their</span> <span word="results">results</span>, <span word="says">says</span> <span word="Alex">Alex</span> <span word="Smith">Smith</span> <span word="of">of</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Guelph">Guelph</span>2 <span word="in">in</span> <span word="Ontario">Ontario</span>3，<span word="Canada">Canada</span>.<span word="Its">Its</span> <span word="a">a</span> <span word="call">call</span> <span word="to">to</span> <span word="arms">arms</span> <span word="to">to</span> <span word="keep">keep</span> <span word="doing">doing</span> <span word="the">the</span> <span word="broad">broad</span> <span word="kind">kind</span> <span word="of">of</span> <span word="genetic">genetic</span> <span word="studies">studies</span> <span word="that">that</span> <span word="we">we</span> <span word="are">are</span> <span word="doing">doing</span>. <span word="Examples">Examples</span> <span word="of">of</span> <span word="cryptic">cryptic</span> <span word="species">species</span> <span word="include">include</span> <span word="the">the</span> <span word="African">African</span> <span word="elephant">elephant</span>. <span word="A">A</span> 2001 <span word="study">study</span> <span word="found">found</span> <span word="the">the</span> <span word="elephants">elephants</span> <span word="were">were</span> <span word="actually">actually</span> <span word="two">two</span> <span word="genetically">genetically</span> <span word="distinct">distinct</span>，<span word="non">non</span>-<span word="interbreeding">interbreeding</span> <span word="species">species</span>，<span word="the">the</span> <span word="African">African</span> <span word="bush">bush</span> <span word="elephant">elephant</span> <span word="and">and</span> <span word="the">the</span> <span word="African">African</span> <span word="elephant">elephant</span>. <span word="The">The</span> <span word="species">species</span> <span word="are">are</span> <span word="currently">currently</span> <span word="listed">listed</span> <span word="as">as</span> <span word="vulnerable">vulnerable</span> <span word="and">and</span> <span word="threatened">threatened</span>，<span word="respectively">respectively</span>，<span word="by">by</span> <span word="the">the</span> <span word="World">World</span> <span word="Conservation">Conservation</span> <span word="Union">Union</span> 4. <span word="In">In</span> <span word="the">the</span> <span word="early">early</span> 1900<span word="s">s</span> <span word="misidentification">misidentification</span> <span word="of">of</span> <span word="mosquito">mosquito</span> <span word="species">species</span> <span word="based">based</span> <span word="on">on</span> <span word="morphology">morphology</span> <span word="confused">confused</span> <span word="attempts">attempts</span> <span word="to">to</span> <span word="control">control</span> <span word="malaria">malaria</span> <span word="in">in</span> <span word="Europe">Europe</span>.<span word="Ultimately">Ultimately</span>，<span word="what">what</span> <span word="was">was</span> <span word="thought">thought</span> <span word="to">to</span> <span word="be">be</span> <span word="a">a</span> <span word="single">single</span> <span word="species">species</span> <span word="was">was</span> <span word="actually">actually</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="six">six</span> <span word="sibling">sibling</span> <span word="species">species</span>，<span word="only">only</span> <span word="three">three</span> <span word="of">of</span> <span word="which">which</span> <span word="transmitted">transmitted</span> <span word="the">the</span> <span word="disease">disease</span>.<span word="The">The</span> <span word="basic">basic</span> <span word="unit">unit</span> <span word="in">in</span> <span word="biology">biology</span> <span word="is">is</span> <span word="always">always</span> <span word="the">the</span> <span word="species">species</span>，<span word="and">and</span> <span word="you">you</span> <span word="have">have</span> <span word="to">to</span> <span word="know">know</span> <span word="what">what</span> <span word="you">you</span> <span word="are">are</span> <span word="dealing">dealing</span> <span word="with">with</span>, <span word="Pfenninger">Pfenninger</span> <span word="says">says</span>.<span word="Much">Much</span> <span word="previous">previous</span> <span word="research">research</span> <span word="is">is</span> <span word="now">now</span> <span word="no">no</span> <span word="longer">longer</span> <span word="used">used</span>，<span word="he">he</span> <span word="says">says</span>，<span word="because">because</span> <span word="it">it</span> <span word="is">is</span> <span word="not">not</span> <span word="clear">clear</span> <span word="what">what</span> <span word="species">species</span> <span word="was">was</span> <span word="being">being</span> <span word="studied">studied</span>. <span word="the">the</span> <span word="Goethe">Goethe</span>-<span word="Universitat">Universitat</span> <span word="in">in</span> <span word="Frankfurt">Frankfurt</span>：德国法兰克福大学，即<span word="Johann">Johann</span> <span word="Wolfgang">Wolfgang</span> <span word="Goethe">Goethe</span>- <span word="Universitat">Universitat</span> <span word="Frankfurt">Frankfurt</span> <span word="am">am</span> <span word="Main">Main</span>，位于美因和莱茵两河汇流处的法兰克福。 <span word="Ontario">Ontario</span>：安大略。加拿大中东部的一个省。 练习： <span word="is">is</span> <span word="NOT">NOT</span> <span word="true">true</span>? <span word="B">B</span> <span word="The">The</span> <span word="restllts">restllts</span> <span word="of">of</span> <span word="the">the</span> <span word="research">research</span> <span word="can">can</span> <span word="help">help</span> <span word="the">the</span> <span word="development">development</span> <span word="of">of</span> <span word="biodiversityestimates">biodiversityestimates</span>. <span word="D">D</span> <span word="The">The</span> <span word="results">results</span> <span word="of">of</span> <span word="the">the</span> <span word="research">research</span> <span word="can">can</span> <span word="help">help</span> <span word="our">our</span> <span word="understanding">understanding</span> <span word="of">of</span> <span word="survival">survival</span> <span word="of">of</span> <span word="thefittest">thefittest</span>. <span word="A">A</span> <span word="They">They</span> <span word="occurred">occurred</span> <span word="in">in</span> <span word="equal">equal</span> <span word="numbers">numbers</span> <span word="in">in</span> <span word="all">all</span> <span word="biogeographical">biogeographical</span> <span word="regions">regions</span>. <span word="C">C</span> <span word="They">They</span> <span word="were">were</span> <span word="likely">likely</span> <span word="to">to</span> <span word="be">be</span> <span word="in">in</span> <span word="tropical">tropical</span> <span word="rather">rather</span> <span word="than">than</span> <span word="temperate">temperate</span> <span word="regions">regions</span>. <span word="Do">Do</span> <span word="scientists">scientists</span> <span word="know">know</span> <span word="how">how</span> <span word="many">many</span> <span word="cryptic">cryptic</span> <span word="species">species</span> <span word="exist">exist</span>? <span word="B">B</span> <span word="Yes">Yes</span>，<span word="they">they</span> <span word="do">do</span>. <span word="D">D</span> <span word="They">They</span> <span word="will">will</span> <span word="never">never</span> <span word="know">know</span> <span word="the">the</span> <span word="answer">answer</span>. <span word="A">A</span> <span word="The">The</span> <span word="WCU">WCU</span> <span word="are">are</span> <span word="interbreeding">interbreeding</span> <span word="those">those</span> <span word="elephants">elephants</span>. <span word="C">C</span> <span word="They">They</span> <span word="are">are</span> <span word="two">two</span> <span word="genetically">genetically</span> <span word="distant">distant</span> <span word="species">species</span>. <span word="People">People</span> <span word="were">were</span> <span word="confused">confused</span> <span word="in">in</span> <span word="their">their</span> <span word="attempts">attempts</span> <span word="to">to</span> <span word="control">control</span> <span word="malaria">malaria</span> <span word="in">in</span> <span word="Europe">Europe</span> <span word="in">in</span> <span word="the">the</span> <span word="early">early</span>1900<span word="s">s</span>，<span word="because">because</span> <span word="scientists">scientists</span> <span word="B">B</span> <span word="thought">thought</span> <span word="only">only</span> <span word="three">three</span> <span word="mosquito">mosquito</span> <span word="species">species</span> <span word="transmitted">transmitted</span> <span word="disease">disease</span>. <span word="D">D</span> <span word="did">did</span> <span word="not">not</span> <span word="know">know</span> <span word="what">what</span> <span word="species">species</span> <span word="was">was</span> <span word="being">being</span> <span word="studied">studied</span>. 2． <span word="D">D</span> 短文的第二段第二句描述的是科学家目前的研究结果，第三段描述的是科学家在这之前对于<span word="cryptic">cryptic</span> <span word="species">species</span>的理解。本题用的是过去式，问的是过去的状况，因此，答案在第三段中，<span word="B">B</span>和<span word="C">C</span>是答案，所以<span word="D">D</span>是正确选择。 <span word="C">C</span> 答案在第六段中。该段举了非洲大象为例，说明什么是<span word="cryptic">cryptic</span> <span word="species">species</span>。第六段的句子<span word="A">A</span> 2001 <span word="study">study</span> <span word="found">found</span> <span word="the">the</span> <span word="elephants">elephants</span> <span word="were">were</span> <span word="actually">actually</span> <span word="two">two</span> <span word="genetically">genetically</span> <span word="distinct">distinct</span>，<span word="non">non</span>- <span word="interbreeding">interbreeding</span> <span word="spemes">spemes</span>是选择<span word="C">C</span>的依据。选项<span word="A">A</span>不对，<span word="the">the</span> <span word="WCU">WCU</span>并没有杂交繁殖这两种象。选项<span word="B">B</span>不对，短文说这两种象是非杂交物种。选项<span word="D">D</span>的内容短文中找不到。</p>
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