高考北师版英语一轮课时提能练1516.docx
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高考北师版英语一轮课时提能练1516.docx
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高考北师版英语一轮课时提能练1516
课时提能练(十五)
Ⅰ.阅读理解
A
(2019·长沙测评)Scientistsfoundgravitationalwavesastheywatchedtheeffectsoftwoblackholesrunningintoeachotherandformingamuchbiggerone,acenturyafterAlbertEinsteinpredictedthatsuchaneventwouldsendripples(波纹)throughspacetime.
Scientists“heard”thewavewiththehelpoflaserbeams(激光束)sentthroughtwopipeswhichformanangleof90°betweeneachotherandarenearly2,000milesapartintheUS.Thatequipmentletthemglimpsethenatureofblackholes.TogethertheymadeuptheLaserInterferometerGravitationalWaveObservatory(LIGO).
GravitationalwaveswerefirstobservedinSeptember2015andtheseconddetection(发现)occurredthreemonthslater.Thethirddetection,whichtheastronomerscalledGW170104,wasmadeonJanuary4,2017.Theastronomersbelievedtheirlatestfinding“providescluesaboutthedirectionsinwhichtheblackholesarespinning”.
“Blackholesarebeautifullysimple.Youjustneedtwonumberstodescribethemcompletely:
mass,howmuchtheybendspacetime,andaspin,howmuchspacetimemovesaboutthem,”saidDr.ChristopherBerryoftheUniversityofBirmingham,oneoftheresearchersintheproject.“Butittakeslotsofhardworktomeasurethesefromourdata.Wenowhavewonderfulmassmeasurements,andarestartingtouncoverdetailsaboutthespinsoftheseblackholes,whichcouldgiveevidenceforhowtheyformed.”TheresearcherssaidtheirdiscoveryaddedfurtherevidencetosupportEinstein'sgeneraltheoryofrelativityandconfirmedtheexistenceofpreviouslyunknownblackholes.
Morethan1,000scientistsfromtheLIGOScientificCollaborationwereinvolvedintheprojectalongwithanadditional280researchersfromtheEuropeanbasedVirgoCollaboration.Scientistshopegravitationalwaveswillofferacompletelydifferentviewoftheuniverse,allowingthemtostudyeventsthatmightbehiddenfromtraditionaltelescopes.“Wehavefurtherconfirmationoftheexistenceofstellar(恒星的)massblackholesthatarelargerthan20solarmasses.Wedidn'tknowtheyexistedbeforeLIGOdetectedthem,”MITresearcherDavidShoemakersaid.
【语篇解读】 本文是一篇科普说明文。
科学家们第三次探测到引力波,相对论再获证实,促进了黑洞研究。
1.Whopioneeredgravitationalwaves?
A.DavidShoemaker.
B.ChristopherBerry.
C.ScientistsfromLIGO.
D.AlbertEinstein.
D [细节理解题。
根据第一段中的“acenturyafterAlbertEinsteinpredictedthatsuchaneventwouldsendripples(波纹)throughspacetime”可知,科学家们的这一发现发生在爱因斯坦预测此事件的一个世纪后,因此爱因斯坦是引力波的先行者。
]
2.Howdidscientistsdiscovergravitationalwaves?
A.Byusinglaserbeams.
B.Byjoiningverticalpipes.
C.Byusingtraditionaltelescopes.
D.Byfollowingtheorbitofblackholes.
A [细节理解题。
根据第二段第一句话“Scientists‘heard’thewavewiththehelpoflaserbeams(激光束)sentthroughtwopipeswhichformanangleof90°betweeneachotherandarenearly2,000milesapartintheUS”可知,科学家们是通过使用激光束来探测到引力波的。
]
3.Whatcanwelearnfromthelastthreeparagraphs?
A.Morethan2,000scientiststookpartintheevent.
B.Scientistshavealreadydiscoveredspinsofblackholes.
C.Gravitationalwavescontributedtoblackholes'research.
D.Thereisnowaytofindouthowblackholesareformed.
C [推理判断题。
根据第三段中的“Theastronomersbelievedtheirlatestfinding‘providescluesaboutthedirectionsinwhichtheblackholesarespinning’”和第四段中的“We...arestartingtouncoverdetailsaboutthespinsoftheseblackholes,whichcouldgiveevidenceforhowtheyformed”可知,科学家们第三次发现引力波给黑洞的旋转方向提供了线索,黑洞的旋转细节可能为它们的形成方式提供证据。
即引力波对黑洞的研究有作用。
故选C。
]
4.Whatdothescientiststhinkoftheapplicationofgravitationalwaves?
A.It'scontroversial. B.It'spromising.
C.It'slimited.D.It'sdemanding.
B [观点态度题。
根据最后一段中的“Scientistshopegravitationalwaveswillofferacompletelydifferentviewoftheuniverse,allowingthemtostudyeventsthatmightbehiddenfromtraditionaltelescopes”可知,科学家们希望引力波会提供一个完全不同的宇宙观,使得他们能研究使用传统望远镜可能发现不了的事情,即他们认为引力波的运用很有前景。
故选B项。
]
B
(2019·日照检测)ComicCon,shortfor“comicconvention”,isaneventwherefansgathertoshareandcelebratetheirloveforcomicrelatedpopculture.ThefirstcomicbookconventionswereheldintheUSAinthe1960sandsincethentheyhavebecomeextremelypopularallovertheworld,withsomeofthebiggereventsdrawingcrowdsofover100,000peopleandlastingseveraldays.Nowadaysthereismuchmorethanjustcomicbooksonshowatacomiccon.Themostpopulareventshaveexpandedtoincludemanyothertypesofmediaandartforms,forexamplecartoons,scifi,videogamesandTVseries.
Oneofthehighlightsofacomicconformanyfansistheabilitytointeract(互动)withcelebritiesoftheindustryasmanyartists,writers,actorsanddirectorswillappearasspecialguests.Thesespecialguestssignautographs(亲笔签名),poseforphotoswithfansandholdquestionandanswersessions.Sometimesthefanswillqueueforseveralhourstomeetthesespecialguests!
Ofcoursethereisalotofgoodsonsaleatacomiccon.Fromcomicbookstoposter
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