全国卷Ⅲ衡水金卷先享题信息卷三英语解析版.docx
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全国卷Ⅲ衡水金卷先享题信息卷三英语解析版
第二部分阅读理解(共两节,满分40分)
第一节(共15小题;每小题2分,满分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,并在答题卡上将该项涂黑。
A
TheprotectedlandsoftheNationalParksaresomeofthemostamazingdestinationswithintheUnitedStatestoviewsomespectacularpiecesofnature.Manyoftheseparkshavefunfamily-friendlyactivities,makingthemgreatdestinationsforholidaysandsummerbreaks.
OlympicNationalPark,WA
OlympicNationalParkisagreatdestinationforfamiliestoexplorethewildbeauty.Atthisparkvisitorswillfindbeautifulbeaches,arainforest,mountainsandmore.Childrenwilllovethewildcoastline,withamazingbeaches,andplentyoffascinatingsealife.Thewholefamily%-川lovethemanyhikingtrails,thewildbeautyofthebeachesthroughoutthepark,andthewildlifewithintheforestandmountains.
YellowstoneNationalPark,WY
YellowstoneNationalParkisthenation’sfirstnationalpark.VisitorscanstartatoneoftheVisitorCenterstolearnabouttheabundantwildlifeofYellowstone.Childrenwilllovekeepinganeyeoutforanimalslikeelkandbisonwhiledrivingandhikingthroughthepark.
CapeHatterasNationalSeashore,NC
LocatedonNorthCarolina’sOuterBanks,theCapeHatterasNationalSeashoreisanamazingdestinationforrecreating,relaxingandmuchmore.Theseashorehasmanybeautifulbeachesforthewholefamilytoexploreandenjoy.Visitorscanspendvacationtimesearchingforshells,birding,kayaking,hikingandmore.TheOuterBanksarealsoanexcellentspottogowindsurfing,especiallyonHatterasIsland.
GlacierNationalPark,MT
GlacierNationalParkwasthetenthnationalparkcreatedinthenation.TheparkoffersvisitorstheopportunitytoexploretheamazingwildernessofMontana,throughhiking,hiking,camping,backpacking,boatingandmore.Thebesttimeofyeartovisitistheearlysummer.Theregionissnowyinthewinterandhotinthesummer.
21.WhatcanyoudoinOlympicNationalPark?
A.Visittheparkbycar.B.Goboatinginthepark.
C.Takeacamptripthere.D.Enjoyattractivesealife.
22.Whichisthefirstnationalparkin
A.OlympicNationalPark.B.YellowstoneNationalPark.
C.CapeHatterasNationalSeashore.D.GlacierNationalPark.
23.WhatdoOlympicNationalParkandCapeHatterasNationalSeashorehaveincommon?
A.Bothhavebeautifulbeaches.B.Bothofferbird-watching.
C.Bothareonthesameisland.D.Bothprovidewindsurfing.
B
ItwasaClarknight.Thick,dark,graycloudshadmadesurethattherewasnostarlightormoonlighttogreetmeasIwalkedoutonmyporch.Still,IkepttheporchlightoffbecauseIdidn'twanttobesurroundedbybugsandmoths(飞蛾)onthisstickysummerevening.Istoodthereforawhilelettingmyeyesadjusttothelackoflight.Mydogstoodbesidemewaitingpatientlyformetostartherwalk.Itwasthen,though,thatIsawthem.Firstoneblinkoflightatthefarendofthemeadowwasfollowedbyanotherandthenanother.Ismiled.Irecognizedthematonceasmyfireflyfriends,whoalwaysshowedupthistimeoftheyear.
Igotsomuchjoywatchingthemfirstasachildandthenasanadult.Theyneverbecamedullorboringandtheyalwaysfilledmewithdelight.WhenIwaslittleIusedtositinthegrassandwatchthemslowlyflyaroundblinkingonandoff.InevercaughtandputoneinajarassomekidsdidbecauseIwasafraidImightkillitandIneverwantedtohurtthesemessengers(信使)oflight.Theirtimeonthisearthwassobriefasitwas.Itriedtoenjoythemeachnighttheywerehere.Italwayssaddenedmewhentheydisappearedinthefallanditalwaysmademyheartsingwhentheyreappearedthenextsummer.
IthinkIenjoytheselittlefirefliessomuchbecauseIcanseethatweareliketheminalotofways.Ourtimehereonearthisbrief.Oftenourlightandlovearemorelikeonandoffblinksratherthanasteadyshine.Let’sshareourlightandlovewhileweareherethen.
24.Whydidtheauthorturnoffhisporchlight?
A.Toavoidsomeinsects.B.Toadapttosurroundings.
C.Tosearchforhisdog.D.Togreetspecialfriends.
25.Whatcanweknowaboutfireflies?
A.Theyalwaysfrightenedtheauthor.B.Mostkidscaughtandkilledthem.
C.Theauthorwatchedthemeverynight.D.Theyusuallybrightenedtheauthor.
26.Whatdoestheauthormainlyconveythroughthestory?
A.Valueourshortlifeintheworld.B.Protectfirefliesaswellaspossible.
C.Devoteourselvesasmuchaspossible.D.Shareasmanyinspiringstoriesaspossible.
27.Whatcanbethebesttitleforthetext?
A.ASpecialSummerNightB.MessengersofLight
C.Human’sBestFriendsD.Fireflies-ShinningForever
C
Chocolateispackedwithplantchemicalsthatweakeninflammation(炎症)andimprovebloodflow,explainscientists.
LeadauthorDr.ChayakritKrittanawongsaid:
"Ourstudysuggestschocolatehelpskeeptheheart’sbloodvesselshealthy."Itcollecteddatafromsixtrialsthatexaminedthelinkoverthepastfivedecades.Atotalof336,289peoplereportedtheirintake.Thosewhoatechocolatemorethanonceaweekreducedtheirriskofcoronaryartery(冠状动脉)diseasebyeightpercent.Thiswascomparedwithpeerswhoateitlessthanonceaweek.
Chocolateisknowntoproducethesamechemicalinthebrainasfallinginlove.Butevidenceisgrowingthatitsreputationasa"guiltypleasure"iswrong.Dr.Krittanawongsaid:
"Chocolatecontainshearthealthynutrientssuchasflavonoids,methylxanthines,polyphenolsandstearicacidwhichmayreduceinflammation."
KnownmedicallyasHDL(high-densitylipoprotein)(高密度脂蛋白),ithelpstoridLDL(low-densitylipoprotein)outofthebody.Whenthiscollects,itcausesvesselsandarteriestobecomeblockedup.Itcanstopbloodflowtotheheartorbrain,causingaheartattackorstroke.Dr.Krittana-wongsaid:
"Inthepast,clinicalstudieshaveshownchocolateisbeneficialtobloodpressure."
Darkchocolatehaslongbeenknowntohavehealthbenefitsbutrecentresearchhassuggestedmilkchocolatemayalsoprovidevaluablenutrientstotheheart.Dr.Krittanawongpointedouthisstudydidnotinvestigatewhetheranyparticulartypeofchocolateismorebeneficial-orifthereisanidealportionsize.Hesaid:
"Chocolateappearspromisingforpreventionofcoronaryarterydisease.Butmoreresearchisneededtoshowhowmuchandwhatkindofchocolatecouldberecommended."
Whileit’snotclearhowmuchisperfect,Dr.Krittanawongwarnedagainstovereating.Hesaid:
"Moderateamountsofchocolateseemtoprotectthecoronaryarteriesbutit’slikelythatlargequantitiesdonot."
28.WhatdoesParagraph2mainlytalkabout?
A.Theresultofthestudy.B.Theprocessofthestudy.
C.Theparticipantsofthestudy.D.Theintentionofthestudy.
29.Whichofthefollowingcanprobablypreventbloodflow?
A.Aheartattack.B.Astroke.
C.High-densitylipoprotein.D.Low-densitylipoprotein.
30.Whatdoestherecentstudytellus?
A.Chocolateisgoodforbloodpressure.B.Darkchocolateisbeneficialtohealth.
C.Milkchocolatemayalsobenefittheheart.D.Chocolatecontainsspecialplantchemicals.
31.What’sDr.Krittanawong’sattitudetowardschocolate’spreventingcoronaryarterydisease?
A.Indifferent.B.Hopeful.C.Negative.D.Uncertain.
D
Europeanresearcherssaytheyhavecreatedaprocessthatcanproduceoxygenfrommoondust.Theprocesscouldprovideamajorsourceofoxygenforhumanstakingpartinmoonexplorationactivitiesinthefuture.
ResearchersfromtheEuropeanSpaceAgency,orESA,carriedouttheexperimentsatalaboratoryintheNetherlands.TheyreportedtheirresultsinastudypublishedinPlanetaryandSpaceScience.
TheteamsaysESA’sexperimental"plant"wasabletosuccessfullyproduceoxygenfromsimulatedmoondust.Thedustispartofamaterialknownasregolith(月壤),atoplayerofdirtandrockpiecesthatsitonthesurfaceofthemoon.
Samplesofregolithfromthemoonhaveconfirmedthatthematerialcontainsabout45percentoxygenbyweight.However,theoxygenischemicallylockedintheformofmineralsorglass,soitisnoteasilyavailableforuse.Havingrealsamplesofregolithfromthemoonmadeitpossiblefortheresearcherstocreatethesimulatedmoondustmaterialusedduringtesting.
Theoxygenextraction(提取)processiscarriedoutusingamethodcalledmoltensaltelectrolysis(熔盐电解).Thisinvolvesfirstplacingtheregolithinametalcontainer.Calciumchloridesaltisaddedtothemixture,whichisthenheatedto950degreesCelsius.Atthistemperature,theregolithremainssolid.Next,anelectricalcurrentispassedthroughthematerial.Theresearcherssayitisthisstepthatresultsinoxygenbeingextractedfromtheregolith.Thestudyreportedthatupto96percentofoxygeninthesimulatedmoondustwasextractedduringtheexperiments.
ESA’slong-termgoalistodesignanoxygen-producing"pilotplant"tooperatefull-timeonthemoon.Thefirsttechnologydemonstrationofthesystemisexpectedtotakeplaceinthemiddleof2020s.
Theresearchersreportedthat"asabonus",theprocessalsoresultsintheproductionofusablemetallicmaterials.
32.Whatcanbenefitfromtheprocess?
A.Thetreatmentofsomepatients.B.Theenvironmentofthemoon.
C.Futuremoonexplorationactivities.D.Futureexperimentinthelaboratory.
33.Whyisoxygenintheregolithhardtouse?
A.Itexistsintheformofsolid.B.Itonlyexistsonthesurface.
C.Itismixedwithothermaterials.D.Itislockedinametalcontainer.
34.Whatstepmakesoxygenextractedfromtheregolith?
A.Addingcalciumchloridesalttothemixture.
B.Placingtheregolithinametalcontainer.
C.Passinganelectricalcurrentthroughthematerial.
D.Heatingthemetalcontainerto950degreesCelsius.