秋季四川绵阳南山中学高三届二诊仿真考试Word文件下载.docx
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秋季四川绵阳南山中学高三届二诊仿真考试Word文件下载.docx
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阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。
A
iPhone12
Outlook
Featuringthesame6.1-inchdisplaysizeastheiPhone11andiPhoneXRbeforeit,iPhone12ismakingthetransitionfromanLCDscreentoOLED.Withflataluminum(铝)sidesforanoveralllook,itmorecloselymatchestheiPadProandiPadAir.Asidefromtheflatsides,iPhone12stilllargelyresemblestheiPhone11.Aroundback,ithastwocamerashousedinaglasscircle,whichmakesforanicecontrastwiththerestofthesmoothbackpanel.Toavoidbeingbrokenorcrackedwhendropped,iPhone12iscoveredwithwhatAppledescribesasa"
ceramic(陶瓷)shield"
”.
Camera
TheiPhone12hasa12-megapixelf/1.6maincamera——thefastestaperture(光圈)inanyiPhoneyet.Thelow-lightperformancehasimproved,anditsadvancementsincomputationalphotographytomaximizedetailanddynamicrangehasalsobeenachieved.ThefrontcameraontheiPhone12isgainingNightMode,aswell.
Processor
iPhone12ispoweredbythecompany'
snewA14Bionicprocessor,whichisthefirstsmartphonechipbuiltona5nmprocess,leadingtoimprovedperformanceandefficiency.It'
sclaimedthattheprocessorisupto50percentfasterthantheleadingchipsinAndroidsmartphones.
Wirelesscharging
ToimprovewirelesschargingontheiPhone12,itcontainsa“MagSafe”systemwithbuilt-inmagnetstoguaranteethattheiPhone12properlylinesupwiththeMagSafeaccessories(配件).
21.WhatisthesizeofiPhone12?
A.AsbigasiPhoneXR.
B.ThesamesizeasiPadPro.
C.BiggerthanthatofiPhone11.
D.About6.1-inchasthatofiPhoneMax.
22.What'
sthefunctionofthe“MagSafe"
system?
A.TocarryoutthewiredchargingofiPhone12.
B.ToperfectlymatchtheiPadProandiPadAir.
C.TomakeiPhone12rightfortheMagSafeaccessories.
D.Toprocesstheinformationinamuchmorerapidway.
23.WhichofthefollowingisTRUEaboutiPhone12?
A.AllcamerasofiPhone12havetheNightMode.
B.ItispoweredbyA14BionicprocessorinAndroidsmartphones.
C.Thereareonlytwocamerasplacedseparatelyinfrontandback.
D.Aceramicshieldhelpstoprotectagainstbreakingandcracking.
B
FourpeopleinEngland,backin1953,staredatPhoto51.Itwasn'
tmuch-apictureshowingablackX.ButthreeofthesepeoplewontheNobelPrizeforfiguringoutwhatthephotoreallyshowed——theshapeofDNA.ThediscoverybroughtfameandfortunetoscientistsJamesWatson,FrancisCrick,andMauriceWilkins.Thefourth,theonewhoactuallymadethepicture,wasleftout.
HernamewasRosalindFranklin."
Sheshouldhavebeenupthere,"
sayshistorianMaryBowden.“Ifherphotoshadn'
tbeenthere,theotherscouldn'
thavecomeupwiththestructure."
OnereasonFranklinwasmissingwasthatshehaddiedofcancerfouryearsbeforetheNobeldecision.ButnowscholarsdoubtthatFranklinwasnotonlyrobbedofherlifebydiseasebutrobbedofcreditbyhercompetitions.
AtCambridgeUniversityinthe1950s,WatsonandClicktriedtomakemodelsbycuttingupshapesofDNA'
Spartsandthenputtingthemtogether.Inthemeantime,atKing'
sCollegeinLondon,FranklinandWilkinsshoneX-raysatthemolecule(分子).Theraysproducedpatternsreflectingtheshape.
ButWilkinsandFranklin'
srelationshipwasalotrockierthanthecelebratedteamworkofWatsonandCrick,WilkinsthoughtFranklinwashiredtobehisassistant.ButthecollegeactuallyemployedhertotakeovertheDNAproject.
WhatshedidwasproduceX-raypicturesthattoldWatsonandCrickthatoneoftheirearlymodelswasinsideout.Andshewasnotshyaboutsayingso.ThatangeredWatson,whoattackedherinreturn,“Mereinspectionsuggestedthatshewouldnoteasilybend.Clearlyshehadtotogoorbeputinherplace.”
AsFranklin’scompetitors,Wilkins,Watson
andCrickhadmuchtogainbycuttingheroutofthelittlegroupofresearchers,sayshistorianPninaAbir-Am.In1962attheNobelPrizeawardingceremony,Wilkinsthanked13colleaguesbynamebeforehementionedFranklin,Watsonwrotehisbooklaughingather.Crickwrotein1974that
“Franklinwasonlytwostepsaway
fromthesolution.”
No,Franklinwasthesolution.“Shecontributedmorethananyotherplayertosolvingthestructureof
DNA.Shemustbeconsideredaco-discoverer,”Abir-Amsays.ThiswasbackedupbyAaronKlug,whoworkedwithFranklinandlaterwonaNobelPrizehimself.Oncedescribedasthe
“DarkLadyofDNA”,Franklinisfinallycomingintothelight.
24.WhydidWatsongetangrywithFranklin?
A.BecauseFranklinkeptherresultsfromhim.
B.BecauseFranklintooktheledinthecompetition.
C.BecauseFranklinprovedsomeofhisfindingwrong.
D.BecauseFranklinsharedherdatawithotherscientists.
25.WhyisFranklindescribedas"
DarkLadyofDNA"
?
A.Shedevelopedpicturesindarklabs.
B.H
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