小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com必修Book3Unit4SpaceExplorationB卷·综合能力提升练(时间：90分钟满分：120分)第一部分阅读理解(共两节，满分50分)第一节(共15小题；每小题2.5分，满分37.5分)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（2023·上海·模拟预测）Timehasalwaysbeenofgreatinteresttoscientist…Theory1:AccordingtoCaltechcosmologist(宇宙学家)DrSeanCarroll,theflowoftimefrompasttofuturemaybethesymptomofourUniversehavingemergedfromanotheruniversethatexistedbeforetheBigBangandthengavebirthtoourown.Theory2:In1967,twoAmericantheoristscameupwithanequationdescribingthequantum(量子)stateofthewholeUniverse.KnownastheWheeler-DeWittequation,itincludesmanykeyfeaturesoftheuniverse,suchasitssize.Butoneaspectisabsent:time.Sometheoristsbelievethisimpliesthattimeonlyexistsinourminds.Theory3:AccordingtotheoristProfLeeSmolinatthePerimeterInstitute,Canada,theexistenceoflifeintheUniverseistheresultofthelawsofphysicsevolvingtotheircurrentstateoveranunlimitednumberofpreviousuniverses.Iftrue,thismeansthatourveryexistenceisproofthattimedoesexist.Theory4:In2009,physicistsattheuniversitiesofBristolandCambridgeshowedthatthepassingoftimerevealedby,say,thecoolingofacupoftea,maybeduetoquantumeffectcalled‘entanglement’.Thisinvolvestheparticles(粒子)intheteaminteractingwiththeirsurroundings,beingboundtogetherandbecominghardertodistinguishfromeachother—aone-wayprocessthatrequirestheforwardprogressionoftimetooccur.Theory5:Darkenergy,themysteriousanti-gravitationalforcethatdrivestheexpansionoftheUniverse,maybelinkedtotheexistenceofthearrowoftime.Lastyear,twocosmologistsattheYerevanPhysicsInstituteshowedthatdarkenergyleadstothegrowthofentropy,ameasureofdisorder,intheUniverse.1．Allthefivetheoriesimplythat_____.A．timeisflexibleB．timeisconstant小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comC．timedoesgoforthandbackD．timedoesexistinsomeway2．Whichtheorydoesn’tincludetime?A．Theory1.B．Theory2.C．Theory3.D．Theory4.3．Accordingtothepassage,whichofthefollowingstatementsistrueofdarkenergy?A．Itleadstotheexistenceofmulti-universities.B．Itiswhatkeepstheuniverseinorder.C．Itincreasesinstrengthwithgravity.D．Itiswhatmakestheuniversegetbigger.quantumB（2022春·甘肃金昌·高一永昌县第一高级中学校考期中）LiZixuanisajuniormiddleschoolstudent.HeisnowstudyinginGrade9.Hehashadmanydreamssincehewaslittle.Butastimegoesby,somenewdreamshaveappearedandsomeoldoneshavedisappeared.However,onlyonedreamisstillinhismind.LiZixuansaysthatwhenhewasachild,heheardaboutrocketsandspaceships.Atfirst,hedidn’tknowwhattheywere.Fromhisfather,heknewthatscientistsmaderocketstocarrythingsintospace,andspaceshipswereusedtocarrypeoplethroughspace.Fromthenon,hehashadarealinterestinspace.Everytimeheseesbeautifulstarsandthemoonintheskyatnight,hegetsveryexcited.Heisalwaysdreamingthathecanflytospacetolookattheearthoneday.Hismotherknowsabouthisdreamandoftenencourageshim.Inschool,LiZixuanlearnedthatthefirstmanflewintospacein1961andlater,moreastronautssucceededintravelingintospace.Someastronautsevenlandedonthemoon.Histeacheralwaysencourageshimtolearnmore.Heknowsnoteveryonehasachancetotravelintospace.Moreimportantly,beforehecanflytospace,hemustbetrainedspecially.LiZixuanknowsit’snoteasytoachievehisdream,buth...