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话题28科技发展与科学家精神
Ⅰ.阅读理解
JoseHernandezmadehisdreamofbecominganastronautarealityandhedidso
despiteunbelievabledifficulties.
“IwasworkinginafieldnearStockton,andIheardonmyradiothatFranklinChang
-DiazhadbeenselectedfortheAstronautCorps,”saidJose,whowasaseniorin
highschoolatthetime.“Iwasalreadyinterestedinscienceandengineering,”Jose
remembered.“ButthatwasthemomentIsaid,‘Iwanttoflyinspace.’”
Asoneoffourchildreninamigrant(移民)farmingfamilyfromMexico,Jose—who
didn’tlearnEnglishuntilhewas12yearsold—spentmuchofhischildhoodtraveling
withhisfamilyfromMexicotosouthernCaliforniaeachMarch,thenworking
northwardtotheStocktonareabyNovember,pickingstrawberriesandcucumbersat
farmsalongtheroute.TheywouldthenreturntoMexicoforChristmasandstartthe
cyclealloveragaininthespring.“Somekidsmightthinkitwouldbefuntotravel
likethat,”Joselaughed.“Butwehadtowork.”
Aftergraduatingfromhighschool,JosewasadmittedintotheUniversityofthe
Pacific.In1987,heacceptedafull-timejobwithLawrenceNationalLaboratory.In
2001,JosejoinedtheJohnsonSpaceCentre,wherehecameface-to-facewith
FranklinChang-Diaz.
“Weactuallyhadcommonexperiences—asimilarupbringing,thesamelanguage
issues.Thatbuiltupmyconfidence.Anybarriersthatexisted,hehadalreadyovercome
them,”Josesmiled.“Nowit’smyturn!”
“NASArejectedmenotonce,nottwice,notthreetimesbut11times.Itwasn’tuntil
the12thtimethatIgotselected,”hesaid.Josewasselectedaspartofthe19thclassof
astronautsin2004.Hecircledtheglobe217timesbutremainsadowntoEarthguy.
JoseHernandezreceivedthe2016NationalHispanicHeroAwardandhecontinueshis
longhistoryinthefieldofengineeringandspace.
1.WhatmadeJosedeterminedtobeanastronaut?
A.TheinfluenceofAstronautCorps.
B.ThesuccessofFranklinChang-Diaz.
C.Hisinterestinscienceandengineering.
D.Theexperienceofworkinginthefield.
2.WhatcanwelearnaboutJoseasachild?
A.Hedidmuchfarmwork.
B.Hetraveledalotforfun.
C.HehatedlearningEnglish.
D.Heobeyedhisfamilyineverything.
3.HowdidJosefeelwhenhemetFranklinChang-Diazpersonally?
A.Inspired.B.Valued.
C.Relaxed.D.Puzzled.
4.Whatcanbeasuitabletitleforthetext?
A.ClimboverBarriers
B.ReachfortheStars
C.WorktheHardWay
D.LearnfromYourPast
Peoplewhoregularlysleepforsixhoursorlesseachnightinmiddleagearemore
likelytodevelopdementia(痴呆)thanthosewhoroutinelymanagesevenhours,
accordingtoamajorstudyintothedisease.
Researchersfounda30%greaterriskofdementiainthosewhoduringtheir50s,60s
and70sconsistentlyhadashortnight’ssleep,regardlessofotherriskfactorssuchas
heartconditionandpoormentalhealth.
Sabia,anauthorofthestudyattheUniversityofParisandhercolleaguesanalyzed
surveydatafromUniversityCollegeLondon’sWhitehallstudy,whichlaunchedin
1985andfollowedthehealthandlifestylesofmorethan10,000British
volunteers.TheFrenchteamfocusedonnearly8,000participantswhoself-reported
theirsleeppatterns.
During25yearsoffollow-up,521participantsdevelopeddementia,withmost
diagnosedintheirlate70s.WritinginNatureCommunications,thescientistsdescribed
howthosewhoroutinelygotsixhoursofsleeporlesseachnightintheir50sand60s
were30%morelikelytodevelopdementiathanthosewhotypicallymanagedseven
hours.
Thestudydoesnotprovethatsleepingtoolittlecausesdementia,sincesleeplossitself
maybeoneoftheearliestsymptomsofthedisease.Butsomescientistsbelievethe
resultsstrengthenevidencethatcontinuouspoorsleepmayatleastcontributetothe
disease.
Thefirstpathologicalchangesthatleadtodementiaoccuronetotwodecadesbefore
thediseasebecomesobvious,asstickyproteinscalledamyloidbuildupinthe
brain.Whenthe1985Whitehallstudyfirstassessedthesleepofvolunteerswholater
developeddementia,thisprocesshadprobablynotstarted.Thismeantthatiftheywere
sleepingtoolittle,itwasunlikelytohavebeencausedbydementia-relatedbrain
changes.
“Itstrengthenstheevidencethatpoorsleepinmiddleagecouldcauseorworsen
dementiainlaterlife,”saidDr.LizCoulthard,aconsultantseniorlecturerindementia
neurology.“Itmakessensetotakemeasurestoimprovesleepsuchasgoingoutside
duringdaylighthourstohelpmaintainthenaturalrhythmsthatpromotegoodsleep,
avoidingtoomuchalcoholorcaffeine,particularlybeforebed,andfindingabedtime
routinethatworksforyou.”
5.Whatriskfactorfordementiadoesthepassagefocuson?
A.Sleeploss.B.Age.
C.Poormentalhealth.D.Heartcondition.
6.HowdidFrenchscientistsgettheresearchfindings?
A.Bymakingacomparison.
B.Bymonitoringsleeppatterns.
C.ByinterviewingBritishvolunteers.
D.Byanalyzingprevioussurveydata.
7.Inwhattonedothescientiststalkabouttheresearch?
A.Casual.B.Doubtful.
C.Negative.D.Cautious.
8.Whatisthepurposeofthelastparagraph?
A.Togiveexamples.
B.Tocollectproofs.
C.Tooffersuggestions.
D.Topresentarguments.
Mostpeopledon’tthinkmuchaboutthefoodscrapstheythrowaway;however,
researchersinTokyohavedevelopedanewmethodtoreducefoodwastebyrecycling
discardedfruitandvegetablescrapsintorobustconstructionmaterials.
Worldwideindustrialandhouseholdfoodwasteamountstohundredsofbillionsof
poundsperyear,alargeproportionofwhichcomprisesedible(可食用的)scraps,like
fruitandvegetablepeels.Thisunsustainablepracticeisbothcostlyand
environmentallyunfriendly,soresearchershavebeensearchingfornewwaysto
recycletheseorganicmaterialsintousefulproducts.
“Ourgoalwastouseseaweedandcommonfoodscrapstoconstructmaterialsthat
wereatleastasstrongasconcrete,”explainsYuyaSakai,theseniorauthorofthe
study.“Butsincewewereusingediblefoodwaste,wewerealsointerestedin
determiningwhethertherecyclingprocessimpactedtheflavoroftheoriginal
materials.”
Theresearchersborroweda“heatpressing”conceptthatistypicallyusedtomake
constructionmaterialsfromwoodpowder,excepttheyusedvacuum-dried,
pulverized(粉状的)foodscraps,suchasseaweed,cabbageleaves,andorange,onion,
pumpkin,andbananapeelsastheconstructionpowders.Theprocessingtechnique
involvedmixingthefoodpowderwithwaterandseasonings,andthenpressingthe
mixtureintoamoldathightemperature.Theresearcherstestedthebendingstrengthof
theresultingmaterialsandmonitoredtheirtaste,smellandappearance.
“Withtheexceptionofthespecimenobtainedfrompumpkin,allofthematerials
exceededourbendingstrengthtarget,”saysKotaMachida,asenior
collaborator.“WealsofoundthatChinesecabbageleaves,whichproducedamaterial
overthreetimesstrongerthanconcrete,couldbemixedwiththeweakerpumpkin-
basedmaterialtoprovideeffectivereinforcement.”
Thenew,robustmaterialskepttheirediblenature,andtheadditionofsaltorsugar
improvedtheirtastewithoutreducingtheirstrength.Furthermore,thedurableproducts
resistedrot,fungi(菌类),andinsects,andexperiencednoappreciablechangesin
appearanceortasteafterexposuretoairforfourmonths.
Giventhatfoodwasteisaglobalfinancialburdenandenvironmentalconcern,itis
crucialtodevelopmethodsforrecyclingfoodscraps.Usingthesesubstancestoprepare
materialsthatarestrongerenoughforconstructionprojects,butalsomaintaintheir
ediblenatureandtaste,opensthedoortoawiderangeofcreativeapplications.
9.Whydotheresearcherssearchfornewwaystorecycleorganicmaterials?
A.Becausetheconstructionofrobustmaterialneedsmuchfoodwaste.
B.Becausefoodwasteisbothcostlyandenvironmentallyunfriendly.
C.Becausetheywanttomakeafortunebyrecyclingthefoodwaste.
D.Becausetheamountoffoodwasteistoolargetostoreatthemoment.
10.Whatdoestheunderlinedword“comprises”meaninthesecondparagraph?
A.Contains.B.Processes.
C.Presses.D.Originates.
11.Whichofthefollowingisrightaccordingtothetext?
A.Allthematerialsobtainedfromfoodwastesurpassresearchers’strengthtarget.
B.ThematerialproducedfromChinesecabbageleavesistwotimesstrongerthan
concrete.
C.Thereisalotofroomforcreativeuseofthistechnology.
D.Thenewmaterialsarestrongenoughforconstructionprojects,butfailtomaintain
theiroriginaltaste.
12.Whereisthetextprobablyfrom?
A.Atouristbrochure.B.Arecipebook.
C.Abiographybook.D.Asciencemagazine.
Ⅱ.七选五
(2024·潍坊高三测试)
ToputintowordsmytimeinAntarcticaandSouthGeorgiaisnearlyimpossible.Ihad
alwaysdescribeditasaonce-in-a-lifetimeexperience,butassoonasIstepped
footonthecontinent,IimmediatelyknewIneededtoreturn.
__1__About50%ofthepassengersofourexpedition(远征)hadbeentoAntarcticaat
leastoncebefore.Thisgoestoshowjusthowmagicalofadestinationitis.
ThatallyoursenseswillbestimulatedisthebestwayIcandescribethetimeonthe
whitecontinent.Howtinyyoufeelnexttotoweringglaciersandicebergs.Theicywater
movingthroughyourbodyasyoutaketheinfamousPolarPlunge.Thelearningofheart
-touchingstoriesofsurvivalfromexplorersofthepast.__2__
Antarcticamakesyoufeelsosmallandinsignificant,inthebestway.__3__Youget
frontrowseatstowitnessthemostincredibleshow:nature.Itisasmuchbeautifulas
cruel.Forexample,whenyouseeabrownskua(贼鸥)attackingapenguinchick,your
heartaches.Thenyourexpeditionguideregretfullytellsyouthatachickthatissmallin
Marchwouldhav
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