高中英语阅读理解科普环保类练习含答案Word格式.docx

高中英语阅读理解科普环保类练习含答案Word格式.docx

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“Thisisanimportantdiscoverytoanswerthequestion‘Arewealone?

’”saidMichaelTurneroftheNationalScienceFoundation.

“Theteamhasdiscoveredthemostearth-likeplanetyet,andmoreimportantly,hasprovedthepowerofanewtechniquethatissensitive（灵敏的）todetectingplanetsthatarefitforpeopletoliveon,”Turnersaidinastatement.

Inthelastdecade,astronomershavedetectedmorethan160planetsmovingaroundstarsoutsideoursolarsystem.MostofthesehavebeengasgiantplanetslikeJupiter,whichareunfitforlife.

Butaninternationalteamhasdetectedacoldplanetabout5.5timesmoremassivethantheearth—stillsmallenoughtobeconsideredearth-like—movingaroundastarabout20,000lightyearsaway,closetothecenteroftheMilkyWay.

Tofindthisnewplanet,theteamusedatechniquecalledgravitationalmicrolensing（引力微观透镜法）.Whenaplanetiscirclingthecloseststar,theplanet’sgravitycanadditsownsignaturetothelight.ThiskindoflightsignaturewasobservedonJuly11byagroupoftelescopesinaprojectknownasOGLE,shortforOpticalGravitationalLensingExperiment.

“Themainadvantageofmicrolensingisthesignalsforlow-massplanets:

They’renotweaksignals.They’rejustrare,”BennettoftheUniversityofNotreDameinIndianasaidbytelephone.“Iftherehappenstobeastraightlinebetweenaforegroundstarwithitsplanetandthebackgroundsourcestar,thenyou’reabletodetectthatplanet.”

1.Theunderlinedword“detected”inParagraph1probablymeans“_________”.

A.discovered 

B.destroyed 

C.created 

D.searched

2.Theauthor’spurposeinwritingthispassageisto____.

A.provethatscientistshavealotofdifficultiesindoingscientificresearch

B.explainwhythisplanetmovesaroundastarlikeoursun

C.teachthereaderssomebasicknowledgeabouttheuniverse

D.tellpeopleaboutanewtechniquethatfindsthemostearth-likeplanetmovingroundanotherstar

3.Fromthenewsreportwecaninferthat_________.

A.theplanetisliketheearthbecauseitisclosetothecenteroftheMilkyWay

B.itisquitepossiblethatlifemayexistonotherplanetsintheuniverse

C.peoplehavenointerestinfindingaplanetthatmightsupportlife

D.thequestion“Arewealone”istoodifficultforscientiststoanswer

4.WhichofthefollowingstatementsisNOTtrueaccordingtothepassage?

A.Thesignalscomingfromlow-massplanetsaretooweaktobenoticed.

B.Mostofthediscoveredplanetsarenotfitforpeopletoliveon.

C.Ifastarwithitsplanethappenstobeinlinewiththesourcestar,theplanetcanbefound.

D.Thepowerofthenewtechniqueisprovedbythediscoveryoftheearth-likeplanet. 

（二）

Wildweather,unexpectedcoralreefsanddangerousseacreatures…thesearethenightmares（噩梦）youcanimagineateenageronasolovoyage（独自旅行）aroundtheworldmightsufferfrom.ButforLauraDekker,sailingaroundtheglobeseemslessapricetobepaidthanaprizetobetreasured.

Asthe19-year-oldDutchsailorsaidinMaidentrip,adocumentary（纪录影片） 

releasedlastyearaboutherexperienceofbecomingtheyoungestpersontosailaroundtheworldalonein2012,“Iwasbornonaboat.Ilivedmyfirstfiveyearsatsea.Andeversince,allIhavewantedistoreturntothatlife.”

Withheryacht（游艇）Guppy,Dekkerbeganherjourneyat14andsailed50,004kilometersin519days.

Theflyingfishkeepinghercompany,thedolphinsfollowinginherwakeandthewarmdaysspentondeckplayingtheflute（长笛）asshewatchedanotherunforgettablesunsetwereenoughtomakeothersjealous.

Butthesedidn’talwaysgowell.TherewereterriblemomentsinwhichDekkerfeareddeath.Ononeoccasion,awhalealmostturnedGuppyover.Anothertime,shebattledextremewindsandGuppysurfeddown8-meter-highwaves.

Outontheopenseaalone,shealsogotusedtolivingwithoutafridge,aflushing（用水冲洗）toilet,andahotshower.

“Asahumanbeingyoudon’tneedmuch,”shetoldStuff.co.nz.“Theymightmakelifemorecomfortable,butyoureallydon’tneedthemtobehappy.”

Infact,heroutlookonlifewasshapedbythetrip.“Iwantedthestorms.Iwantedthecalms.Iwantedtofeelloneliness,”shetoldTheNewYorkTimes.“AndnowIknowallthesethings.It’stheendofthedreamIhadasachild,andit’sthebeginningofmylifeasasailor.”

1.Accordingtothetext,inwhichyeardidDekkerbeginherjourneyof50,004kilometersatsea?

A.In2012 

B.In2010 

C.In2009 

D.In2011

2.ThemethodtheauthorusestodevelopParagraph5is________.

A.offeringanal