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年月公共英语一级精准模拟题及答案202392023年9月公共英语一级精准模拟题及答案Dont tryso hard,the bestthings comewhen youleast expectthemto.以下是我为大家搜寻整理的2023年9月公共英语一级精准模拟题及答案,期望能给大家带来帮忙!更多精彩内容请准时关注我们应届毕业生考试网!Antarctica andEnvironmentAntarctica hasactually becomea kindof spacestation-a uniqueobservationpost fordetecting importantchanges in the world6senvironment.Remote frommajor sourcesof pollutionand thecomplexgeological andecological systemsthat prevailelsewhere,Antarcticamakes possiblescientific measurementsthat areoften sharperandeasier tointerpret thanthose madein otherparts of the world.Growing numbersof scientiststherefore seeAntarctica asadistant-early-warning sensor,where potentiallydangerous globaltrendsmay bespotted beforethey showup to the north.One promisingfieldof investigationis glaciology.Scholars fromthe UnitedStates,Switzerland,and Franceare pursuingseven separatebut relatedprojectsthat reflecttheir concernfor thehealth of the WestAntarctic Ice Sheet-a concernthey believethe worldat largeshouldshare.The TransantarcticMountain,some of them morethan14,000feet high,divide the continent intotwo verydifferent regions.The part of the continent tothe“east”of the mountains isa highplateaucovered byan icesheet nearlytwo milesthick.West of themountain,the halfofthe continent southoftheAmericas isalsocovered byan icesheet,but therethe icerests onrock thatis mostlywellbelow sealevel.If the West AntarcticIce Sheetdisappeared,thewestern part ofthe continent would be reduced to asparse clusterofisland.While iceand snoware obviouslycentral tomany environmentalexperiments,others focuson themysterious“dry valley”ofAntarctica,valleys thatcontain littleice orsnow eveninthedepthsof winter.Slashed throughthemountainsof southernVictoria Land,these valleysonce heldenormous glaciersthat descended9,000feetfrom the polar plateau totheRoss Sea.Now theglaciers aregone,perhaps acasualty ofthe globalwarming trendduring the10,000yearssince theice age.Even thesnow thatfalls inthe dry valleys isblastedout byvicious windsthat roarsdown fromthepolarplateautothe sea.Left bareare spectaculargorges,rippled fieldsof sand dunes,clusters ofboulders sculpturedinto fantasticshapes by100-mile-an-hour winds,and anaura ofextraterrestrial desolation.Despite theunearthly aspectofthedry valleys,some scientistsbelievethey may carry a message of hope ofthe verdantparts oftheearth.Some scientistsbelieve thatin somecases thedryvalleysmaysoak uppollutants fasterthan pollutantsenter them.
1.What isthe besttitle forthis passage[A]Antarctica andenvironmental Problems.[B]AntarcticaEarth sEarly-Warning station.[C]Antarcticaa UniqueObservation Post.[D]Antarcticaa MysteriousPlace.
2.What wouldthe resultbe iftheWestAntarcticIceSheetdisappeared[A]The westernpart ofthecontinentwould bedisappeared.[B]The westernpart ofthecontinentwould bereduced.[C]The westernpartofthecontinentwould becomescatteredIslands.[D]The westernpartofthecontinentwouldbereducedtoa clusterofIslands.
3.Why arethe Dry Valleys leftbare[A]Vicious windblasts thesnow away.[B]It rarelysnows.[C]Because ofthe globalwarming trendand fiercewind.[D]Sand dunes.[A]The“Dry Valleys”have nothingleft inside.[B]The“Dry Valleys”never heldglaciers.[C]The“Dry Valleys”maycarryamessageofhopefor theverdant.[D]The“DryValleys”are uselessto scientists.
4.Which ofthe followingis trueVocabulary
1.distant-early-warning sensor远距离早期报警传感器
2.plateau高原,高地
3.slash挥砍
4.blast一阵疾风/狂风
5.vicious邪恶的,凶魔般的
6.gorge峡谷
7.ripple起伏,使起微波
8.sanddune沙丘
9.verdant绿色
10.extraterrestrial地球之外的
11.aura气氛难句译注
2.A南极洲和环境问题B.南极洲地球最早的报警战C.南极洲独一无二的观看哨D,南极洲|神奇的地方三项都是总内容众的组成部分
3.D大陆西部成为一群岛屿第三段“横断南极的山脉,有的高达一万四千多英尺,把这大陆分成状况各异的两个地区山脉以东的大陆部分是由差不多两英里厚的冰层掩盖的高原;山脉以西,即美洲以南的半个大陆也为冰层所掩盖可是,这里冰层掩盖在大大低于海平面的岩石假如西南极洲冰层消逝,那这大陆西部将成为稀疏的岛群”A.大陆西部将小时B.大陆西部缩小D.大陆西部将成为分散的岛屿
4.C由于地球变温和狂风劲吹在第四段”……这些干谷甚至在寒冬季节也很少有冰雪它们插在南维多利亚陆地的山脉中,一度曾有从极地高原到罗斯海的深度为9000英尺的冰河现在冰河已不存在,很可能是冰期之后一万年间地球变暖的结果即使落入干谷的雪也被从极地高原咆哮入海的邪恶狂风吹散了留下来的是暴露的壮丽的峡谷,沙丘起伏的原野,被时速一百英里的大风雕刻成奇形怪状的大砾石,形成与世隔绝的荒芜景象”A.邪恶的狂风吹走了雪B.它很少下雪D.沙丘这三项只是干谷现象的一部分
5.C他们可能为地球上绿色地区带来了期望的信息答案是第五段第一句“尽管干谷具有神奇的一面科学家却信任他们可能为地球上葱绿的地方带来了期望的信息”A.干谷内什么都没有留下
8.干谷内从没有冰河D.根据科学家的看法,干谷毫无用处文档内容到此结束,欢迎大家下载、修改、丰富并分享给更多有需要的人。