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2024屆新高考英語高頻考點(diǎn)專項(xiàng)練習(xí):專題十二考點(diǎn)17說明文
1.Whensomeonedamagestheirbackbone,theinjurycanleavethemparalyzed(癱瘓的).
Now,scientistshavegiventhreeparalyzedmentheabilitytowalkagain,thankstoan
implanteddevice.
Thehumanbackbone,orthespine,doesn'tjusthelpusstandupstraight.Insideisthe
spinalcord,whichcarriesimportantinformationbetweentheheadandthelowerpartofthe
body.Thisinformationmovesaroundasburstsofelectricitytravelsbetweenthebrainand
theotherpartsofthebody.Whenthespinalcordishurt,thispathwaygetsdamagedandthe
patientscan*tmovetheirlegs.
NowscientistsinSwitzerlandhavegiventhreeparalyzedmentheabilitytowalkagain.To
walkagain,themenhadsurgery.Aspecialdevicewasplaceddirectlyonthelowerpartof
theirspinalcord,belowtheirinjury.This"implantncontainssixteenelectrodes,whichare
smallobjectsthatelectricitycanpassthrough.Theresearchersmadesuretheelectrodeswere
linedupwithnervesthatcontrolthelegmuscles.Thescientistscontrolledtheimplantfroma
tabletcomputer.
Thepatients*brainsaren*tsending“walking“messagestotheirlegs.Instead,thetablettells
theimplanttosendthewalkingmessages.Theresearchersusedcomputerstogenerate
patternsofmovement,liketakingastep.Thepatientthenusedthetablettochoosethepattern
andthemusclesmoveinthechosenway.Overtime,themenwereabletowalkusinga
specialwalkerwithbuttonstocontroleachleg.
Thesolutionisn*tperfect.It'sveryexpensive,itrequiresdifficultsurgery,andthepatients
can'twalkwithoutthesystem.Butthescientistsarehopefulthatinthefuture,thissortof
technologywillallowmanyparalyzedpeopletobegintowalkagaininjusthours.
1.What*sthemainfunctionofthespinalcord?
A.Itservesasamessagecarrier.B.Ithelpspeoplestandupstraight.
C.Ittakescontrolofthemuscles.D.Itproducessignalsformovements.
2.Whatistheimplanteddeviceexpectedtodo?
A.Activatethedamagednerves.B.Identifythepositionoftheinjury.
C.Testthedegreeofthedamage.D.Bridgethenervegapmadebytheinjury.
3.WhatisParagraph4mainlyabout?
A.Howthesurgeryisperformed.B.Howthedeviceworksonpatients.
C.Howthepatientswalkwithoutaid.D.Howmovementpatternsaredesigned.
4.Whichcanbethebesttitleofthetext?
A.Damagednervesrecoveraftersurgery
B.Tabletsareusedinamedicaltreatment
C.Theimplanthelpstheparalyzedwalkagain
□.Scientistsmadeadiscoveryonthebackbone
2.Dozensofhoneybees,whichusuallyfeedonwildflowersafterleavingtheirhives(蜂房)
inthecampusgardens,weretrickedintothecottagetofeedfromanartificialflower.Only
onebeewasallowedinatatime,andtheirvisitstoartificialflowerswerevideoedandtimed
underdifferentfanspeeds,whichmimicked(模擬)calmandwindydays.
Buttheresearchersaretryingtohelpthem:itisacontrolledexperimentthatrevealshow
highwindspeedssignificantlyreducetheefficiencyoftheirfeeding.
Withnowind,thebeesonaveragetooknectar(花蜜)from5.45flowersduringtheir90-
secondtimetrial.Whenwindspeedswereincreased,thisfelltoanaverageof3.73flowers.
Researchersalsoexaminedtheindirectimpactofhigherwindsbymovingtheflowers.
Thefindingsrevealthat,whileflowermovementsdidnotappeartohaveaneffectonthe
bees,themovementofairfromthefansmadethemmuchmorehesitanttotakeofffroma
flower,withtimetakenrangingfromaninitial0.05secondsto54seconds.
GeorgiaHennessy,leadauthoroftheresearch,saidthatonepossiblereasonforthewind
causinghesitancywasthatsmallincreasesinwindspeedsreducedthebees*bodytemperature,
sotheyrequiredlongertimetowarmuptheflightmusclesrequiredtotakeoff.
"Withwindspeedspredictedtoincreaseintheyearsahead,understandinghowwecan
helpbeesinachangingclimateisbecomingevermorepressing.Althoughwecan'tdomuch
tocontrolorstopthewind,wecantakestepstoreduceitsimpactonbees,suchasplacing
hivesinshelteredlocations,0saidHennessy.
TheFoodandAgricultureOrganizationoftheUNwarnedthatthedeclineinglobalbee
populationswasa"threattoglobalfoodsecurityanddiversity".
DaveGoulson,professorofbiologyattheUniversityofSussex,said,"Beesalreadyface
manypressuresinthemodernworld,suchaslossofhabitatsandexposuretopesticides(殺蟲
齊ll),andagreatmanyareindecline.Copingwithincreasinglywindyweatherunderclimate
changemaybethefinalstraw.11
1.Whattaskdidtheresearcherssetforthebees?
A.Identifyingthenewroute.B.Survivinginextremeconditions.
C.Feedingunderdifferentwindspeeds.D.Distinguishingvariouskindsofflowers.
2.Whatprobablymakesabeehesitanttotakeofffromaflower?
A.Afullstomach.B.Lossofbalance.
C.Changedflowerpositions.D.Reducedbodytemperature.
3.Whatcanwedotoreducetheimpactofhighwindsonbees?
A.Stopthewind.B.Restoretheirhabitats.
C.Addressclimatechange.D.Prohibittheuseofpesticides.
4.Whichofthefollowingcanbeasuitabletitleforthetext?
A.Lossofbeescausesfailureoffoodcrops
B.Beesareonthedeclineasglobalwarmingworsens
C.Beesmaystruggleinwindscausedbyglobalwarming
0.Artificialflowersareusedforthreatenedbeepopulations
3.Itcanbeincrediblydifficulttoencourageourselvestogoforarunduringwinter,
particularlywhenifswetandwindyoutside.Butnewresearchhasfoundthatevenasuper-
quickruncouldhavegreathealthbenefits.Infact,itseemsjusta10-minutesessionwillnot
onlymakeusfeelbetter,butcouldactuallyimprovebrainhealth,too.Now,weallknowthat
exercisecanimprovementalandphysicalhealthinmanyways.
Butwhenitcomestomentalwellbeing,there'sbeenrelativelylittleresearchdoneonthe
specificbenefitsofrunning,comparedwithotherphysicalactivities,suchascycling.Sothis
wassomethingputtothetestduringarecentstudy.ResearchersfromUniversityofTsukuba
inJapanaskedparticipantstorunonatreadmill(跑步機(jī)L)forjust10minutes.Theythenhad
totakeaStroopColorandWordTestwhichisusedtomeasurereactiontimesinbrain
processing.Resultsshowedtherewasahighestpointinself-reportedpleasureandanincrease
indegreeofactivityofthebrain.
Inotherwords,runnerswerefoundtohaveanincreaseinbloodflowinthepartofthe
brainthat'sassociatedwithdealingwithfunctionsandcontrollingmood('IW緒).Researchers
thencomparedtheseresultstoasimilarstudyoncycling,whichalsoshowedimproved
cognition(認(rèn)知),butnomoodimprovement.Therefore,itseemsvarioustypesofexercisecan
makeusfeeldifferently.
Theauthorsnoted,"Givenexerciseismedicine,theeffectsofdrugsdifferdependingon
thetypeofdrug,differenttypesofexercisesuchasrunningandcyclingshouldbeobserved
tohavedifferenteffectsonmentalhealthandbrainfunctionsaswell."
Sopushingourselvestogetoutsideforarunreallywillmakeusfeelbetter,potentially
morethanotherfitnessactivities.Andthesefindingsshowthatwedon'tnecessarilyneedto
doalotofexercisetofeelthebenefitofit.
1.Whatdidthenewresearchfind?
A.Runningfastbenefitsallofus.B.Runningisthebestexercise.
C.Ashorttimeruncanbebeneficial.D.Ahealthymindencouragesustorun.
2.Howdidtheresearchersgettheresult?
A.Byusingdifferentdrugs.B.Bytakingsomewordtests.
C.Bycollectingtheformerinformation.D.Bydoingexperimentsandcomparisons.
3.Whichisrelatedtoourhappiness?
A.Cycling.B.Medicine.C.Bloodflow.D.Colors.
4.Whatisthemainideaofthetext?
A.Weshouldgoforaruninwinter.
B.Runningbenefitsusphysicallyandmentally.
C.Wedon'tneedalotofexercise.
D.Runningonatreadmillisbetterthanrunningoutside.
4.Decadesofresearchhasshownthattheabilitytoforgiveisalifeskillthathelpsthe
youngbuildresilience(恢復(fù)力).Asenseofpurposehelpsthemrealizeschoolworkismore
meaningfulandmorepowerful.Beingthankfulchangestheverynatureoftheirlives,
enablingthemtogathertheirmotivationtolearnandfindlifelongsuccess.Humble(謙卑的)
kidslovelearning.Learningrequirescuriosity,andcuriosityrequiresthemtoexplorewhat
theydon*tknow.
Allofthisresearchsuggestshowcharactercanoftenbeapowerfulcatalyst(催化齊(J)for
learning.Whenchildrencanfeelthankfulnessfortheirteachers,humility(謙卑)intheface
ofnewknowledge,purposeinconnectingsmalltaskstobiggoals,andforgivenesswhen
losingattentionbecauseofbeinghurt,theycanbetteropenthemselvestothetiringprocessof
learningabouttheworld.Butaschildrenlearn,thiscanalsohelpthemtogoalongtheway
forfurthercharacterdevelopment.
Inourprogramaboutlove,wespoketoAmyWarren,aresearcheratTuftUniversity's
InstituteforAppliedResearchandYouthDevelopment,whostudied"greatloveand
sympathy",theabilityfbrpeopletowidentheircircleofcaretothewholehumanbeings.
Afterin-depthinterviewswith100teenagers,shediscoveredthatthebottomlinethat
influencedyoungpeople'sabilityforgreatloveandsympathywasnotmoralinstructionora
religiouseducation,butexposuretodifferentexperiencesandknowledge-everythingfrom
playingsportsandconversationswithpeoplefromdifferentcommunitiestoknowinga
secondlanguageandscientificknowledge.Inotherwords,learning.
SheendedherdiscoverieswithasentencefromthepoetOrtegaYGasset:"Somanythings
failtointerestus,simplybecausetheydon'tfindinusenoughsurfacesonwhichtolive,and
whatwehavetodoistoincreasethenumberofideasinourmind,sothatamuchlarger
numberofthemescanfindaplaceinitatthesametime."So,it'seasytoseeparents
supportingtheirchild*scharactersandlearningasoneandthesame.
1.Whatcanthefourcharactersgivetheyoung?
A.Feelingnotiredness.B.Avoidinghurt.
C.Findingsomethingbad.D.Gettingsomethingunknown.
2.Whatdoestheunderlinedphrase"thebottomline"inParagraph3mean?
A.Thekeyfactor.B.Themainmistake.
C.Theuselessmethod.D.Thepossibletheory.
3.Whoisimportanttohelpkidsaccordingtothetext?
A.Poets.B.Parents.C.Teachers.D.Researchers.
4.Whichcanbeasuitabletitleforthetext?
A.PourGreatCharactersInspireKidsToLearn
B.TheImportanceOfForgiveness
C.WhatShouldKidsLearnAfterSchool
D.TheMostImportantCharactersForKids
5.InMelbourneliesan87-square-meter,three-story,two-bedroomandone-bathroom
house.Thatmaysoundlikearealpropertyadvertisement,butitcouldbethehomeofthe
future.
Madefromorganicmaterialsandrunonsustainable(可持續(xù)的)energy,thebuilding,
knownas"TheGreenhouse'1,iscompletelyzerowaste.Itwasdesignedbyzerowaste
advocateBakker,aspartofhisFutureFoodSystemhousingexperiment."Thegreenhouseis
inspiredbynature—it'sanecosystemwherenothingiswasted/Bakkersays.
Organicwasteisfedintoabio-digesterwhereitferments(發(fā)酵)andturnedintogasfor
cookingorfertilizerforproduce;rainwaterisharvestedandusedfbrirrigationandaspecific
system,whereplantsgrowusingwastefromfish;andhotsteamfromtheshowerenablesa
wallofmushroomstoboost.Thehouseisdesigned,saysBakker,withtheroofasthe
foundation,loadedwith35tonsofsoil,whichprovidesfertile(月巴沃的)groundfor
produce-morethan200plantspeciesgrowontheroof,aswellasinsects,snails,fishand
chickens.
Thesiteismorethanjustamodelhome;it*sbeenarealonefbrJoBarrettandMattStone,
whowerechefsalthesmallin-houserestaurant."Tobeabletogrowandproducefoodona
tinyfootprintinthecityandturnitintoexcitingdishesiscompletelyunique,"saysStone.
Throughtheproject,Bakkerwantedtodemonstratehecouldfeedafamilywithhisdesign.
"Ithinkwe'veprovedthatit'sactuallymoreproductivethanevenIimagined/hesays.
"We'veharvested35kilosofpotatoesfromasquaremeter.M
Hehopestheexamplewillofferablueprinttofuturehomesandanalternativetocurrent
foodsystem,whichistoblamefbroverathirdoftheworld'sgreenhousegasemissions.
Creatingacircularsystemcouldalsogreatlyreducefoodwaste.
"WeYetheonlyspeciesthatgenerateswaste.Innature,thereisnowaste;everything
becomesafoodsourceforsomethingelse,"saysBakker."Ifwetransformtoacircular
system,wehavesomuchpotentialtostopthedestructionofwildernessandforest."
1.Whatisthemainideaofthe3rdparagraph?
A.Thefunctionofthegreenhousebuilding.
B.Thewaythegreenhousebuildingworks.
C.Theadvantagesofthegreenhousebuilding.
D.Thereasonfbrdesigningthegreenhousebuilding.
2.Whatdowelearnaboutthegreenhousehome?
A.Itcanprovideagoodsupplyofproduce.
B.Waterisrecycledforuseinthehouse.
C.ItispossessedbythedesignerBakker.
D.Plantgrowingisfreeofsoilinthehouse.
3.Whyarethechefsmentionedinthe4thparagraph?
A.Tointroducethetopic.
B.Toinformpeopleofthelatestrestaurant.
C.Todemonstratethefuturemodernhome.
D.Toillustratetheadvantageofthehouse.
4.Whatdoesthelastparagraphsuggest?
A.Peoplehavetoexplorenaturemore.
B.Humanreliesheavilyontheenvironment.
C.Thegreenhouseisawaytoreducewaste.
D.Thegreenhousehelpsreducerelianceonnature.
6.Blooddonationssavelives.Butbloodcanonlybestoredunderfridgeforuptosixweeks.
Afterthat,it*snolongerusablefortransfusions.ButKopechek'steamhasdevelopeda
methodofpreservingbloodsoitcanbestoredinadehydrated(脫水的)stateatroom
temperature.Todoso,theyturnedtoasugarcalledtrehalose(海藻糖),whichisacommon
materialinafriedcake...
*'Tohelpmakethemlookfreshevenwhentheymightbemonthsold,andyouwouldn't
knowthedifference."Theresearcherschosetrehalosebecauseinnature,it'smadebytough
animalslikeseamonkeys—alsoknownasbrineshrimp(蝦)一famousfortheirabilityto
survivedehydration."Sotheseanimalscandryoutcompletelyforalongperiodoftimeand
thenberehydratedandrestartnormalfunction.Sowewantedtousethetrehalosethat's
producedbythesecreaturesandapplythattopreservingbloodcellsinadriedstate,justlike
thosecreaturesare.”
Butfirst,theresearchershadtogettrehaloseintobloodcells.Theythenusedspecial
equipmenttodrillholesinthecelltissuelayers—whichletsometrehalosegetin.Andthey
needtohavesufficientleveloftrehaloseonboththeinsideandtheoutsideofthecellinorder
tosurvivethedehydrationandrehydrationprocess.Atthatpoint,thebloodcouldbedried
andmadeintoapowder.Andthentheycanrehydratethebloodandhaveitreturnbackto
normal.
Theteamisstilltryingtoimproveproductionbutthinksthedriedbloodcouldbestoredat
roomtemperatureforyears.Kopecheksaysthetechniquecouldbereadyforclinicaltrialsin
threetofiveyears.Ifsuccessful,itcouldbeusedtocreatestoresofdriedbloodincaseof
futurediseasesornaturaldisastersandfbrhumanitarianaidwork,militaryoperationsoreven
missionstoMars.MaybefirstaidkitsontheRedPlanetwillincludedriedredbloodcells.
l.Whyareseamonkeysmentionedinthesecondparagraph?
A.Theirborndehydrationisworthstudying.
B.Theyareaswell-knownasonespeciesofshrimp.
C.Theycanproducemuchtrehalosetolengthentheirlife.
D.Theirabilitytosurvivedehydrationmayinspiretheresearchers.
2.What*sthethirdparagraphmainlyabout?
A.Themethodofdehydratingplants.
B.Theprocessofproducingdriedblood.
C.Theworkingsystemoftakingintrehalose.
D.Thewayofstoringsparefreshblood.
3.What*sKopechek'sattitudetothetechniqueofpreservingblood?
A.Subjective.B.Supportive.C.Doubtful.D.Ambiguous.
4.Whereisthepassageprobablyfrom?
A.Abiologytextbook.B.Atravelbrochure.
C.Apopularnovel.D.Asciencemagazine.
7.Anewstudyhasfoundthatbravingthecoldmaybeagoodwaytohelpburnoffsomeof
thatChristmasdesserts.
TheresearchwascarriedoutbyscientistsatCanada*sLaurentianUniversityandfocused
onhigh-intensityintervaltraining(HUT).Thisformathasgrowninpopularityoflatedueto
thefat-burningbenefitsitbrings,andtheteamsetouttoexplorehowtemperaturemight
influenceitseffects.
Thestudyinvolved11overweightadultswhotookpartintwoHIITsessionsaweekapart.
Oneofthesewascarriedoutina"thermoneutral”environmentwithtemperaturesofaround
70°F(21℃),andtheotheratacold32°F(0℃).Thesessionsconsistedof10separatecycling
raceat90percenteffortlastingoneminute,followedby90-second"recovery"periodsof
cyclingat30percentintensity.
Aftereachsession,theparticipantscooleddownbygentlycyclingorwalking,atea
nutritionbarbeforegoingtosleepandenjoyedahigh-fatbreakfastthemorningafter.During
thesesessions,thescientistsmonitoredskintemperature,corebodytemperature,heartrate
andtheamountofoxygen.Bloodsampleswerealsodrawntohelpcalculatefatburningrates
followingthebreakfastthenextday.
"Thepresentstudyfoundthathigh-intensityexerciseinthecoldincreasedlipid
oxidation(月旨質(zhì)氧化)by358percentincomparisontohigh-intensityexerciseina
thermoneutralenvironment,'*theteamwrites.
Theauthorsalsonotethattheideathatcoldtemperatureshelpusburnmorefatduring
exercisewillneedfurtherinvestigation(調(diào)查),thoughthefirst-of-a-kindstudydoesindicate
it'sapossibilityworthpursuing.
1.Whatisgoodforburningofffataccordingtothestudy?
A.Coldfood.B.Lowtemperature.
C.Hardworkout.D.Cyclingrace.
2.Whatisthethirdparagraphmainlyabout?
A.Introductiontothestudy.B.Somedatainthestudy.
C.Theparticipantsinthestudy.D.Theprocessofthestudy.
3.Whatcanwelearnfromthelastparagraph?
A.Furtherstudyneedstobedone.B.Doingexerciseburnsmorefat.
C.Theeffortsofscientistsareinvain.D.Thestudyresultisunreasonable.
4.Whatisthebesttitleofthetext?
A.High-intensityWorkoutsHelpBumoffExtraCalories
B.CyclingintheColdIsaGreatWaytoBuildupYourBody
C.StudyShowsFat-burningPotentialofExercisingintheCold
D.ResearchersHaveFoundMoreFat-burningWorkouts
8.Humanbeingsarenotaloneinhavinginventedvaccination(接種疫苗),whilehoneybees
gottherefirstandtheycanrunwhatlooklikevaccinationprogrammes,whichhasbeen
confirmedbyGyanHarwoodoftheUniversityofIllinois,Urbana-Champaign.
Queenbeesvaccinatetheireggsbeforetheyarelaid.Butthequestionishowthequeen
receivesherantigensupplyofdefensivematter,fbrshelivespurelyonroyaljelly(蜂王漿),a
liquidproducedbynursebeeswhentheyareinthelifestageoffeedingtheyoung.Dr.
Harwoodwonderedifthenursescombinedtheroyaljellytheyproducedwithpiecesfrom
pathogens(病原體碎片)theyhadconsumedwhileeatingsomethingbroughtinfromoutside.
Totestthisid
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