2014高考英语二轮复习方案专题限时训练(二十三)(新课标广东专用)科普知识型阅读理解2Word版含

专题限时训练(二十三)[科普知识型阅读理解(二)](限时：25分钟)ALastnight'smeteor(流星)showerleftmanypeopleinthecommunitydissatisfiedanddemandinganswers.AccordingtoGabeRothschild,EmeraldValley'smayor,peoplegatheredinthesuburbsofthecity,carryingheavytelescopes,expectingtowatchthebrightlyburningmeteorspassingthroughthesky.Whattheyfoundinsteadwasaskysobrightenedbythecity'slightsthatitdarkenedthelightofthemeteorspassingoverhead.“Myfamilywassofrustrated，”admittedtownresidentDuaneCosby.“Wewantedtomakethisanunforgettablefamilyouting,butitturnedouttobeahugedisappointment.”Astronomers—scientistswhostudystarsandplanets—havebeencomplainingaboutthisproblemfordecades.Theysaythatlightpollutionpreventsthemfromseeingobjectsintheskythattheycouldseequiteeasilyinthepast.Theycallonpeopleandthegovernmenttotakemeasurestofightagainstit.Thereisyetapopulationbesidesprofessionalandamateurstarobserversthatsuffersevenmorefromlightpollution.Thispopulationconsistsofbirds,bats,frogs，snakes，etc.Forexample,outdoorlightingseverelyaffectsmigrating(迁徙的)birds.AccordingtotheInternationalDark­SkyAssociation，“100millionbirdsayearthroughoutNorthAmericadieincrasheswithlightedbuildingsandtowers.”Countlessmoreanimalcasualties(伤亡)resultfromtheuseofartificiallighting.Clearly，peopleenjoythebenefitsoflightingtheirevenings,butsomescientiststhinkitcanbeharmfulforhumans，too.Theyworrythatexposuretolightwhilesleepingcanincreaseaperson'schancesofgettingcancer.EmeraldValleyisonlyonecommunitythatisbecomingawareofthenegativeeffectsoflightpollution.Foryears,Flagstaff,Arizona,hasenforcedlightingregulationsinitscityinordertoassistastronomersattheLowellObservatory.Similareffortshavebeenmadeworldwide,andamovementisunderwaytoremindustoturnofflightswhenwearenotusingthem,sothatothercreaturescansharethenight.1．Ithappenedlastnightthat________．A.thecity'slightsaffectedthemeteorwatchingB．themeteorsflewpastbeforebeingnoticedC．thecitylightshowattractedmanypeopleD．themeteorwatchingendedupasocialouting2．Whatdotheastronomerscomplainabout?A．Meteorshowersoccurlessoftenthanbefore.B．Theirobservationequipmentisinpoorrepair.C．Lightpollutionhasremainedunsolvedforyears.D．Theireyesightisfailingduetoartificiallighting.3．WhatistheauthorconcernedaboutaccordingtoParagraph4?A.Birdsmaytakeothermigrationpaths.B．Animals'livinghabitsmaychangesuddenly.C．Varietiesofanimalswillbecomesharplyreduced.D．Animals'survivalisthreatenedbyoutdoorlighting.4．LightingregulationsinFlagstaff,Arizonaareputintoeffectto________．A．lessenthechanceofgettingcancerB．createanidealobservationconditionC．ensurecitizensagoodsleepatnightD．enableallcreaturestoliveinharmony5．Whatmessagedoestheauthormostwanttogiveus?A．Savingwildlifeissavingourselves.B．Greateffortsshouldbemadetosaveenergy.C．Humanactivitiesshouldbeenvironmentallyfriendly.D．Newequipmentshouldbeintroducedforspacestudy.BStudyingvolcanoesisademandingprofession.HazelRymerfrequentlyhastostrugglethroughrainforests,climbtothetopofmountains,thenclimb200metresintothecraterofactivevolcanoes.Butthe38­year­oldvolcanologistdoesherbesttomakeitsoundlessalarmingthanitis.“Drivingtoworkismorerisky，”sheinsists.“AndthedeepestIgointothecraterofavolcanoisabout300metres，”sheadds,tryingtomakeitallsoundasordinaryastakingthedogforawalk.Hazelhasbeenstudyingvolcanoesforalongtime,soit'snotsurprisingsheisusedtothedanger.Herinterestinvolcanoesbeganatschool.AteachergaveherabookaboutPompeii.“IrememberreadingabouttheeruptionofVesuviusandthedestructionofthecity，”sheexplains.“ThethoughtofallthosepeoplejustfrozenintimehadquiteaneffectonmeandIamstillexcitedbytheirdangerousbeautytoday.”Nowadays,volcanoesaregettingmoreandmoreunpredictable.Therehavebeenmanychangesinsealevelcausedbyglobalwarmingandmeltingicecaps.Thesehaveresultedinsomedormantvolcanoeserupting,sostudyingthemismoredangerousthaneverbefore.Hazelsaysthatalthoughshedoesn'ttakeanyunnecessaryrisk,shehashadsomefrighteningmoments.HerworstexperiencewasontheslopesofMountEtnainSicily,whenshewasslowlysurroundedbylava.“Ihadachoiceofwalkingtenhourstogetaroundthelavafloworjustwalkingacrossit，”sheexplains.Shechosetopickapathacrossthecoolerrocksinthelavastream.“Iguessitwasfivemetres.Theflowwas1，000°C,soifyouhesitated,yourbootswouldbegintomelt.Itwasscary,butitreallywasapracticaldecision—therewasn'ttimetodoanythingelse.”Andwhataboutthefuture?“Ihaven'tbeentothevolcanoesinIndonesiayet.AndIwouldlovetospendsometimeworkingintheAntarctic，”shesays.“Iwouldalsoliketoknowwhyquietlavaflowseruptfromsomevolcanoesandwhyothervolcanoesgobang.”Inotherwords,HazelRymerwon'tbeexchanginghervolcanoesfortherelativesafetyofdrivingtoworkjustyet.1.Hazel'sclaimthat“drivingtoworkismorerisky”thanexploringvolcanoesshowsthat________．A．peoplehaveexaggeratedthedangersofvolcanoesinthepastB．HazeldoesnotreallyunderstandthedangeroussituationssheputsherselfinC．therearemanybaddriversintheplacewhereHazellivesD．Hazelisbeingmodestandunderstatingthedangersshefaces2.WhendidHazelfirstbecomeinterestedinvolcanoes?A．WhenshewasvisitingItaly.B．Whenshewasatschool.C．Whenshewastwenty.D．WhenshesawVesuvius.3.Theunderlinedword“These”(inParagraph3)r