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练习48阅读理解＋七选五＋应用文写作Ⅰ.阅读理解A2021·广东六校联考说明文310词★★★★☆Questioningtheexistenceofaliensissomethingthatscientistshavedonefordecades.Infact,mostpeopledobelievethataliensexistinsomefashion.Themainnecessitiesforlifearewaterandsomeformofenergysource.Notsurprisingly,therearesomeplanets,exoplanetsandmoonsthatfitthebill.Hereareseveralbestchancesatfindinglifeintheuniverse.◆TRAPPIST1TRAPPIST1isaplanetarysystemafewdozenlightyearsaway,whosediscoverywasannouncedinearly2017.ThissystemconsistsofsevenEarthlikeexoplanetsorbitingan“ultra-cool”star,anditisoneofourshotsatfindingpossiblelifebeyondourownsolarsystem.◆TitanTitanisthelargestmoonofSaturn,thesixthplanetfromourSun.Thismooncouldpotentiallyharborlifebutpossiblynotinthesensethatwethink.Titandoesnotexactlyfitthedescriptionofbeinginatypicalhabitablezone.Titanhaswater,andithasliquid.Itjustdoesn'thaveliquidwater.Thewateronthismooniscompletelysolidbecauseoftheextremelycoldtemperature.◆Europa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.comEuropaisoneofJupiter'smoonshereinourownsolarsystem.Itisanothercandidateduetoitspotentialtoholdliquidwater.Europaisthoughttohaveallthenecessitiesforlifeincludingwater,energysources,andtherightchemicalbuildup.◆MarsTheRedPlanet,thefourthfromtheSun,isprobablyoneofthemosttalkedaboutpotentialcandidatesforextraterrestrial(地球外的)lifeandevenforhumancolonization.Despitesomedifferentvoices,findingextraterrestriallifeonMarsreallyisaseriouspossibility.Weknowbynowthatwewon'tfindlittlegreenmenoranyintelligentformoflifethatweunderstand.However,thereisevidencethattherewasandmaystillbemicroscopiclifeonthesmallredplanet.1．Thecommonpointofthesecelestialbodies(天体)isthat________．A．solidwaterexistsonthemrespectivelyB．lifemightexistoneachofthemC．theyallcontainliquidwaterD．eachofthemhaslivingthingsonit2．Whichcelestialbodycouldhavelifedifferentfromhumanimagination?A．TRAPPIST1.B．Titan.C．Europa.D．Mars.3．WhichofthefollowingstatementsisTRUE?A．Europaisthemosttalkedaboutpotentialcandidateforextraterrestriallife.B．TRAPPIST1istheonlybodythatcontainslifebeyondthesolarsystem.C．Allthescientistsdobelievethataliensexistinsomemanner.D．ThereisproofthatlifeexistedonthecelestialbodyMars.B2021·南昌二中月考应用文321词★★★★☆YouhaveachoiceofthreeSupafoneMobileDigitalaccessplans:Leisuretime,ExecutiveandHighflier.Theyaredesignedtomeettheneedsoflight,moderateandhighvolumeusers.Callsineachplanarechargedatonlytworates:shortdistanceandlongdistance.Youenjoybigsavingswithoffpeakcalls.LEISURETIMEYourmobilephoneismainlyforpersonaluse.Youuseyourphonetokeepfamilyandfriendsintouch.Youdon'twanttostrainyourbudget(预算紧张).Withthisplanyouenjoythelowestmonthlyaccessfeeandextremelycompetitivecostsfor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.comcalls.However,amonthlyminimumcallchargeapplies.EXECUTIVEYou'reinbusinessandneedtobeabletocallyourofficeandyourclientswhenevertheneedarises.Youvaluetheconvenienceofamobilephonebutneedtokeepacloseeyeoncosts.Forfrequentusers:themonthlyaccessfeeisslightlyhigher,butyouenjoythesavingsofadiscountedcallrate.HIGHFLIERYou...