五年高考A组课标Ⅰ卷题组Passage1(2019课标全国Ⅰ)阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。ThepolarbearisfoundintheArcticCircleandsomebiglandmassesasfarsouthasNewfound-land.Whiletheyarerarenorthof88̊,thereisevidence1theyrangeallthewayacrosstheArctic,andasfarsouthasJamesBayinCanada.Itisdifficulttofigureoutaglobalpopulationofpolarbearsasmuchoftherangehasbeen2(poor)studied;however,biologistscalculatethatthereareabout20,000—25,000polarbearsworldwide.Modernmethods3trackingpolarbearpopulationshavebeenemployedonlysincethemid-1980s,andareexpensive4(perform)consistentlyoveralargearea.InrecentyearssomeInuitpeopleinNunavut5(report)increasesinbearsightingsaroundhumansettlements,leadingtoa6(believe)thatpopulationsareincreasing.Scientistshaverespondedby7(note)thathungrybearsmaybecongregating(聚集)aroundhumansettlements,leadingtotheillusion(错觉)thatpopulationsare8(high)thantheyactuallyare.Of9nineteenrecognizedpolarbearsubpopulations,threearedeclining,six10(be)stable,oneisincreasing,andninelackenoughdata.答案[语篇解读]本文为说明文,主题语境为人与自然,主题语境内容为人与动物。文章介绍了北极熊的分布区域和北极熊数量的变化情况。1.that考查同位语从句。虽然在北纬88度以北很少见到北极熊,但是有证据表明它们在整个北极地区活动,向南甚至远到加拿大的詹姆斯湾。设空处引导同位语从句,说明evidence的内容,该从句不缺少任何成分,所以要用that引导。2.poorly考查副词。因为对许多区域调查得不够充分,所以很难计算出全球北极熊的数量。设空处单词修饰动词studied,故用其副词形式poorly。3.of/for考查介词。现代化的跟踪调查北极熊数量的方法在20世纪80年代中期就开始被采用。methodsof/fordoingsth.做某事的方法。4.toperform考查不定式。这些方法大面积持续使用起来,费用很高。sth.be+adj.+todo,其中不定式作状语,与sth.是动宾关系。5.havereported考查动词时态和主谓一致。最近几年,生活在Nunavut的一些因纽特人报告说他们在人类居住区周围看到北极熊的次数增加了。设空处是句子的谓语动词,根据时间状语Inrecentyears可知,时态为现在完成时,主语someInuitpeople为复数形式,故填havereport-ed。6.belief考查名词。这些报告使人们相信北极熊的数量正...