【高考调研】2017届高三英语一轮复习（外研版）课时规范训练30（含解析）
<p> 课时规范训练(单独成册)</p><p> 训练(三十)</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="A">A</span>round the world，honeybee groups are dying in huge numbers：About onethird of nests collapse each year.For bees and the plants they pollinate (授粉)—as well as for beekeepers，farmers，honey lovers and everyone else who appreciates this marvelous social insect—this is a catastrophe.</p><p> <span word="Honeybee">Honeybee</span> <span word="collapse">collapse</span> <span word="has">has</span> <span word="been">been</span> <span word="particularly">particularly</span> <span word="worrying">worrying</span> <span word="because">because</span> <span word="there">there</span> <span word="is">is</span> <span word="no">no</span> <span word="one">one</span> <span word="cause">cause</span>，<span word="but">but</span> <span word="rather">rather</span> <span word="a">a</span> <span word="thousand">thousand</span> <span word="little">little</span> <span word="cuts">cuts</span>.<span word="The">The</span> <span word="main">main</span> <span word="elements">elements</span> <span word="include">include</span> <span word="the">the</span> <span word="mixed">mixed</span> <span word="impact">impact</span> <span word="of">of</span> <span word="pesticides">pesticides</span> (杀虫剂) <span word="applied">applied</span> <span word="to">to</span> <span word="fields">fields</span>，<span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="pesticides">pesticides</span> <span word="applied">applied</span> <span word="directly">directly</span> <span word="into">into</span> <span word="nets">nets</span> <span word="to">to</span> <span word="control">control</span> <span word="bugs">bugs</span>，<span word="pests">pests</span> <span word="and">and</span> <span word="diseases">diseases</span>；<span word="nutritional">nutritional</span> <span word="shortages">shortages</span> <span word="caused">caused</span> <span word="by">by</span> <span word="vast">vast</span> <span word="acreages">acreages</span> <span word="of">of</span> <span word="single">single</span><span word="crop">crop</span> <span word="fields">fields</span> <span word="that">that</span> <span word="lack">lack</span> <span word="diverse">diverse</span> <span word="flowering">flowering</span> <span word="plants">plants</span>；<span word="and">and</span> <span word="commercial">commercial</span> <span word="beekeeping">beekeeping</span> <span word="itself">itself</span>，<span word="which">which</span> <span word="destroys">destroys</span> <span word="groups">groups</span> <span word="by">by</span> <span word="moving">moving</span> <span word="most">most</span> <span word="bees">bees</span> <span word="around">around</span> <span word="the">the</span> <span word="country">country</span> <span word="multiple">multiple</span> <span word="times">times</span> <span word="each">each</span> <span word="year">year</span> <span word="to">to</span> <span word="pollinate">pollinate</span> <span word="crops">crops</span>.</p><p> <span word="The">The</span> <span word="real">real</span> <span word="issue">issue</span>，<span word="though">though</span>，<span word="is">is</span> <span word="not">not</span> <span word="the">the</span> <span word="volume">volume</span> <span word="of">of</span> <span word="problems">problems</span>，<span word="but">but</span> <span word="the">the</span> <span word="interactions">interactions</span> <span word="among">among</span> <span word="them">them</span>.<span word="Here">Here</span> <span word="we">we</span> <span word="find">find</span> <span word="a">a</span> <span word="major">major</span> <span word="lesson">lesson</span> <span word="from">from</span> <span word="the">the</span> <span word="bees">bees</span> <span word="that">that</span> <span word="we">we</span> <span word="ignore">ignore</span> <span word="at">at</span> <span word="our">our</span> <span word="risk">risk</span>：<span word="the">the</span> <span word="concept">concept</span> <span word="of">of</span> <span word="synergy">synergy</span> (协同作用)，<span word="where">where</span> <span word="one">one</span> <span word="plus">plus</span> <span word="one">one</span> <span word="equals">equals</span> <span word="three">three</span>，<span word="or">or</span> <span word="four">four</span>，<span word="or">or</span> <span word="more">more</span>.<span word="A">A</span> <span word="typical">typical</span> <span word="honeybee">honeybee</span> <span word="colony">colony</span> <span word="contains">contains</span> <span word="remains">remains</span> <span word="from">from</span> <span word="more">more</span> <span word="than">than</span> 120 <span word="pesticides">pesticides</span>.<span word="Alone">Alone</span>，<span word="each">each</span> <span word="represents">represents</span> <span word="a">a</span> <span word="benign">benign</span> <span word="dose">dose</span> (良性剂量)．<span word="But">But</span> <span word="together">together</span> <span word="they">they</span> <span word="form">form</span> <span word="a">a</span> <span word="poisonous">poisonous</span> <span word="soup">soup</span> <span word="of">of</span> <span word="chemicals">chemicals</span> <span word="whose">whose</span> <span word="interplay">interplay</span> (相互作用) <span word="can">can</span> <span word="greatly">greatly</span> <span word="reduce">reduce</span> <span word="the">the</span> <span word="effectiveness">effectiveness</span> <span word="of">of</span> <span word="bees">bees</span>’ <span word="immune">immune</span> <span word="systems">systems</span>，<span word="making">making</span> <span word="them">them</span> <span word="easier">easier</span> <span word="to">to</span> <span word="suffer">suffer</span> <span word="from">from</span> <span word="diseases">diseases</span>.</p>
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