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选择性必修第三册Unit4AdversityandCourage高考题型组合练Ⅰ.阅读理解AUntilnow，scientistshaven’tbeenabletostudythenewrockonthemoon.ThenewsamplesfromChang’e5willchangethis.They’refromnearMonsRümker，avolcanicmountainwheretherockisthoughttobemuchyounger—about1billionyearsold.Therearealotofreasonsscientistsareeagertostudythisyoungerrock，oneofwhichisthatitcouldhelpusmorepreciselydatenotonlythemoon，butmanyrockyplanetsandotherobjects.Here’showthatworks:Scientistsdatelunarrockbyusingsomethingcalledachronologycurve(年代学曲线)，saysJolliff，ascientistatWashingtonUniversityinSt.Louis.Basically，theyestimatetheageoftherockbycountingthenumberofcratersintheareatherockcomesfrom;thoseincreaseasobjectsstriketherockovertime.Tomakethisestimation，scientistsneedtomatchthenumberofcraterstoapreciseage.Rightnow，theyonlyhavedatapointsforlunarrockthatis3to4billionyearsold.Moderntechniquescandatethenewsampleextremelyaccurately，andoncescientistsknowitspreciseage，theycanaddavaluabledatapointtotheirchronologycurve.Thedatingsystemwillalsohelpusmoreaccuratelyestimatetheageofallsortsofobjectsinspace，likerockyplanetsandothermoons.Anotherreasonscientistsarekeentostudythisyoungvolcanicrockistofindoutmoreabouthowvolcanismworksonthemoon.Jolliffsaysthatit’sunclearwhytherewasvolcanicactivityonthemoonforsuchalongperiodoftime.Mostofthemoon’svolcanicactivity，hesays，isthoughttohaveoccurred3or4billionyearsago，whenthemoonwasstillprettyyoung.Butsincethemoondoesnothaveplatestructure，whichdrivesvolcanismonEarth，it’sunclearwhatcouldhavecausedmuchlatervolcanicactivity.“That’ssomethingthatyoucanfindoutofthesamplesbystudyingtheminthelab，”Jolliffsays.语篇解读本文是一篇明文。嫦娥五回的本使得究月球上的新岩石成可说号带样研为能，而究岩石的好是什呢？文章此行了明。研这种处么对进说1．Whatdoestheunderlinedword“this”inparagraph1referto?A．Thefactofbeingunabletostudythenewrock.B．ThenewrockfromnearMonsRümker.C．Oneofthereasonstostudythemoon’snewrock.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.comD．Thestudyofthemoon’syoungerrock.答案A解析代指代。根据第一段中词题“Untilnow，scientistshaven’tbeenabletostudythenewrockonthemoon.”合所在句可推，并结画线词断this指的是上文中提到的“科家无法究学研月球上的新岩石”一事。故这实选A。2．Scientistsresearchthisyoungerrockbecausetheycan.A．ensuretherewasvolcanicactivityonthemoonB．morepreciselydateonlythemoonC．datelunarrockbyusingachronologycurveD．explorehowvolcanismworksonthemoon答案D解析理解。根据第四段首句可知，科家究些新岩石是因他能探索月细节题学们研这为们够球上的火山活是如何生的。故动发选D。3．Whatcanweinferfromthelastparagraph?A．Scientistsarekeentostudythisyoungvolcanicrock.B．Scientistscan’tknowwhyvolcanicactivityexistsonthemoon.C．Themoon’svolcanicactivityoccurred3or4billionyearsago.D．It’sclearwhatcouldhavecausedmuchlatervolcanicactivity.答案B解析推理判。根据最后一段中断题“Butsincethemoondoesnothaveplatestructure，whichdrivesvolcanismonEarth，it’sunclearwhatcouldhavecausedmuchlatervolcanicactivity.”可推，科家不知道月球上什有火山活。故断学们为么会动选B。4．Whatcanbeasuitabletitleforthetext?A．HowScientistsStudytheYoungerRockB．WhytheResearchIsImportantC．WhytheYoungerRockIsWorthStudyingD．...