广州市南沙区第一中学2017届高二下学期第一次月考(英语实验班).doc

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1、广州市南沙区第一中学2017届高二下学期第一次月考英语（实验班）说明:本试卷分为选择题和非选择题两部分，共8页，满分150分。考试时间120分钟。第一部分阅读理解（共两节，满分40分）第一节（共15小题，每小题2分，共30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。ATheNationalGalleryofArtinWashington,D.C.,isoneoftheworld'sgreatestartmuseums.Millionsofpeoplehaveentereditsdoo

2、rstoseepaintingsbytheworld'sfineartists.Butifthesepricelessmasterpiecesaretobepreserved,theGallerymustprotectthemcarefully.TheGallery's135-manguardforcehassuccessfullypreventedthemfrombeingstolen,butprotectingthepaintingsfromnatureisagreaterproblem.Inpasttime

3、s,theownersofpaintingsdidnotprotectthemfromdamagingchangesinhumidity(湿度)andtemperature.Asaresult,thelifeofthesepaintingswereshortened.IntheNationalGallery,however,humidityandtemperaturearecarefullycontrolled.Thebuildingisair-conditionedinsummerandheatedinwint

4、er.Theair-conditioningandheatingsystemsaresoimportanttothelifeofthepaintingsthattheGalleryhastwoofeachsystem.Ifoneshouldfail,theextraonecantakeover.Lightisanotherenemyofpaintings.Ultravioletrays(紫外线)inlightcausepaintingstofade(褪色).Longago,paintingsoftenhungin

5、darkchurchesandpalaces.Acoatofvarnish(清漆)wasaprotectionfromtheweaklight.Butwhenmuseumstookoverthecareofmanypaintings,theywereoftenhunginbrighterlightthanbefore.Soontheywereindangeroffading.Thedamagingeffectsoflightwereincreasedwhenthemuseumsremovedthevarnishc

6、oating,yellowedwithage.Toprotectitspaintings,theNationalGalleryputaspecialkindofglassinitsskylights.Thisglassallowsvisiblelightstoenterthebuildingbutitkeepsoutharmfulultravioletrays.TheGalleryhasalsodevelopednewandbettervarnisheswhichhelptokeeppaintingsfromfa

7、ding.Thankstothesenewprecautions,manyoftheworld'sgreatestpaintingsarebeingwellprotectedforfuturegenerationstoenjoy.1.Thetextmainlytellsusabout______.A.theguardforceintheNationalGalleryB.protectinggreatpaintingsfromnatureC.pricelesspaintingsofpasttimesD.theair

8、-conditioningandheatingsystemsintheNationalGallery2.WhichofthefollowingisNOTanenemyofpaintings?______.A.Varnish.B.Temperature.C.Light.D.Humidity.3.Theunderlinedword"precautions"inParagrap