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第一篇Trying to Find a Parther One of the most striking findings of a recent poll in the UK is th...
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被白先勇评价为第一篇台湾中国作家受西方存在主义影响产生的第一篇探讨人类基本存在困境的小说是丛甦的哪部
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第三篇MoreThanaRidetoSchool TheNationalEducationAssociationclaimsTheschoolbusisamirrorofthecommunity． Theyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnotalwaysreflecttherealityofachosencommunity．Theyareright—sometimesitreflectsmore!JustaskLieslDenson．Ridingthesch001bushasbeenmorethanaridetoschoolforLiesl．BruceHardysch001busdriverforA1thouseBusCompanyhasbeenLiesl’sbusdriversincekindergartenLastyearwhenLiesl’sfamilymovedtoParkesburgknowingherbuswentbyhernewresidencesherequestedtoridethesamebus． ThisyearLieslisaseniorandwillenjoyherlastyearridingthebus．ShesaysIt’sbeenagreatridesofar!Mybusdriverissocoolandhasalwaysbeenagoodfriendanda‘goodlistenerSometimeswhenyou’reachildadultsdonotthinkthatwhatyouhavetosayisimportantMLHardyalwayslistenstowhatyouhavetosayandmakesyoufeelimportantHerfriendsAshleyBatistaandAmandaWolfeagree BruceHardyhasbeenmakingOctorarastudentsfeelspecialsince1975Thisyearhewillcelebrate30yearsworkingforAlthouseBusCompany．LarryAlthousepresidentofthecompanyacknowledgesBruceHardy’soutstandingrecordYoudonotcomebyemployeeslikeBrucethesedays．Hehasnevermissedadayofworkandhasaperfectdrivingrecord．Hewasrecognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving350000accidentfreemiles．Hardy’sreputationismadefurtherevidentthroughtherelationshipshehasmadewiththestudentsthatridehisbus’’ AlthousefurtheraddsAlthouseBusCompanywasestablished70yearsagoandhasbeenprovidingqualitytransportationeversinceMygrandfatherstartedthebusinesswithonebus．AlthouseBusCompanyisdelightedtohavetheopportunitytobringdistinctiveandsafeservicetoourlocalschoolandcommunityandlooksforwardtocontinuingtoprovidequalityserviceformanymoreyearstocome． ThreegenerationsofbusinessisnotallthecompanyhasenjoyedThankstodriverslikeBruceHardytheyhavebeenbuildingrelationshipsthroughgenerations．Liesl’smotherCarolalsoenjoysfondmemoriesofridingBruceHardy’sbustotheOctoraraSchoolDistrict． AlthouseBusCompanywasfoundedby
第二篇CreditCardOnlyWorksWhenSpokento Acreditcardthatwillnotworkunlessithearsitsowner’svoicecouldbecomeanimportantweaponinthefightagainstfraud欺骗． Thecardrequiresuserstogiveaspokenpasswordthatitrecognizesusingabuilt-in Voice-recognitionchip．Theideaistopreventthievesusingastolencardorfraudstersusingsomeoneelse’screditcarddetailstobuygoodsonline． AmodelbuiltbyengineersatBeepcardinSantaMonicaCaliforniarepresentsthefirstattempttopackamicrophonealoudspeakerabatteryandavoice?recognitionchipintoastandard．sizedcreditcard． Theyarenotquitethereyetthecardisthelengthandwidthofanordinarycreditcardbutitisstillaboutthreetimesasthick．Thecompanynowplanstomakeitthinner． ThevoicecardisbasedonanearlierBeepcardtechnologydesignedtopreventfraudin onlinetransactionsThisearliercardhasnomicrophonebuthasabuilt?inloudspeakerthatitusestosquawk发出叫声avoiceIDsignalviaacomputer’smicrophonetoanonlineserver． Byverifying证实thatthesignalmatchesthecarddetailstheservercanestablishthattheuserisnotsimplykeyinginacreditcardnumberbutactuallyhasthecardtohand．TheIDcodechangeseachtimethecardisusedinapre—orderedsequencethatonlytheserverknows． ThispreventsfraudstersrecordingthebeepsnotingthecarddetailsandthenplayingbacktheaudibleIDwhentheykeyinthedetailslaterButthisearliertechnologycannotpreventfraudulentuseofstolencardsThenewonecan ThenewvoicecardalsoidentifiesitselfbyitsIDsquawk．butitwillnotdothisuntilithasverifiedthelegitimate合法的user’sspokenpasswordThieveswillbeunabletousethecardbecauseeveniftheyknewthepasswordtheywouldhavetobeabletocopytheowner’svoicewithahighdegreeofaccuracy ThechallengeforBeepcardhasbeentodevelopvoice-recognitionandaudiocircuitrythatCanbepoweredbyaminibatteryembedded嵌入的inacreditcard．Tomaximizebatterylifetheelectronicsareonlyswitchedonwhenthecardisbeingused．Pressingabuttononthecard’ssurfacepromptsittoutterSayyourpasswordinfemalevoiceIfthevoice—recognitionsoftwareprovesthatthepasswordisauthentic真实的itsendsitsIDsquawkwhichtheserverthen identifies．allowingthetransactiontoproceed Thevoicecreditcardisanimportantinventionbecause
DarkForcesDominateUniverse Theearth．moon．sunandallvisiblestarsintheskymakeuplessthanonepercentoftheuniverse．Almostalltherestisdarkmatteranddarkenergyunknownforcesthat______51astronomers． Observationsinrecentyearshavechangedthebasic______52ofhowtheuniverseevolvedandhaveindicatedhowlittleisknownaboutthemajorforcesandsubstancesthat______53ourworldAstronomersnowknowthatluminous发光的matter—starsplanetsandhotgas----Accounts______54onlyabout04percentoftheuniverse．Non-luminouscomponentssuchasblackholesandintergalactic星系间的gas______55up3.6percentTherestiseitherdarkmatterabout23percentordarkenergyabout73percent． Darkmatter．Sometimes______56colddarkmatterhasbeenknownforsometime．Onlyrecentlyhaveresearcherscometounderstandthekeyroleit______57formationofstarsplanetsandevenpeople． We______58ourveryexistencetodarkmattersaidphysicistPaulSteinhardt andaco-authorofareviewondarkmatterwhich______59notlongagointhejournalScience． Darkmatterdominatedthestructure60intheearlyuniverseSteinhardt said．’’ForthefirstfewbillionyearsdarkmattercontainedmostofthemassoftheuniverseYoucanthinkofordinarymatter61afroth泡沫ofanoceanofdarkmatter．Thedarkmatterdumps结成块andtheordinarymatterfallsintoit．That62totheformationofthestarsandgalaxies星系．Withoutdarkmattertherewouldbevirtuallynostructuresintheuniverse Thenatureofdarkmatteris______63Itcannotbeseenordetecteddirectly Astronomersknowitistherebecauseofits______64oncelestial天体的objectsthatcanbeseenandmeasured． Butthemostdominatingforceofallintheuniverseiscalleddarkenergyarecently ______65powerthatastronomerssayiscausingthegalaxiesintheuniversetoseparateatafasterandfasterspeed.
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
第三篇 ControllingRobotswiththeMind BelleourtinymonkeywasseatedinherspecialchairinsideachamberatourDukeUniversitylab.Herrighthandgraspedajoystick操纵杆asshewatchedahorizontalseriesoflightsonadisplaypanel.Sheknewthatifalightsuddenlyshoneandshemovedthejoystickleftorrighttocorrespondtoitspositionshewouldbesentadropoffruitjuiceintohermouth. Belleworeacapgluedtoherhead.Underitwerefourplasticconnectorswhichfedarraysofmicrowires-eachwirefinerthanthefinestsewingthread-intodifferentregionsofBelle’smotorcortex脑皮层tilebraintissuethatplansmovementsandsendsinstructions.Eachofthe100microwireslaybesideasinglemotorneuron神经元WhenaneuronproducedanelectricaldischargetheadjacentmicrowirewouldcapturethecurrentandsenditupthroughasmallwiringbundlethatranfromBelle’scaptoaboxofelectronicsonatablenexttothebooth.Theboxinturnwaslinkedtotwocomputersonenextdoorandtheotherhalfacountryaway. Aftermonthsofhardworkwewereabouttotesttheideathatwecouldreliablytranslatetherawelectricalactivityinalivingbeing’sbrain-Belle’smerethoughts-intosignalsthatcoulddirecttheactionsofarobot.WehadassembledamultijointedrobotarminthisroomawayfromBelle’sviewwhichshewouldcontrolforthefirsttime.AssoonasBelle’sbrainsensedalitspotonthepanelelectronicsintheboxrunningtworeal-timemathematicalmodelswouldrapidlyanalyzethetinyactionpotentialsproducedbyherbraincells.Ourlabcomputerwouldconverttheelectricalpatternsintoinstructionsthatwoulddirecttherobotarm.SixhundredmilesnorthinCambridgeMassadifferentcomputerwouldproducethesameactionsinanotherrobotarmbuiltbyMandayamASrinivasan.IfwehaddoneeverythingcorrectlythetworobotarmswouldbehaveasBelle’sarmdidatexactlythesametime. Finallythemomentcame.WerandomlyswitchedonlightsinfrontofBelleandsheimmediatelymovedherjoystickbackandforthtocorrespondtothem.OurrobotarmmovedsimilarlytoBelle’srealarm.SodidSriniwlsan’s.Belleandtherobotsmovedinsynchrony同步likedancerschoreographed设计舞蹈动作bytheelectricalimpulsessparkinginBelle’smind. Inthetwoyearssincethatdayourlabsandseveralothershaveadvancedneurosciencecomputerscienceandmicroelectronicstocreatewaysforratsmonkeysandeventuallyhumanstocontrolmechanicalandelectronicmachinespurelybythinkingthroughorimaginingthemotions.Ourimmediategoalistohelpapersonwhohasbeenunabletomovebyaneurological神经的disorderorspinalcord脊髓injurybutwhosemotorcodexissparedtooperateawheelchairoraroboticlimb. ThewiresfixedunderBelle’scapwereconnectedto
第三篇MoreThanaRidetoSchool TheNationalEducationAssociationclaimsTheschoolbusisamirrorofthecommunity． Theyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnotalwaysreflecttherealityofachosencommunity．Theyareright—sometimesitreflectsmore!JustaskLieslDenson．Ridingthesch001bushasbeenmorethanaridetoschoolforLiesl．BruceHardysch001busdriverforA1thouseBusCompanyhasbeenLiesl’sbusdriversincekindergartenLastyearwhenLiesl’sfamilymovedtoParkesburgknowingherbuswentbyhernewresidencesherequestedtoridethesamebus． ThisyearLieslisaseniorandwillenjoyherlastyearridingthebus．ShesaysIt’sbeenagreatridesofar!Mybusdriverissocoolandhasalwaysbeenagoodfriendanda‘goodlistenerSometimeswhenyou’reachildadultsdonotthinkthatwhatyouhavetosayisimportantMLHardyalwayslistenstowhatyouhavetosayandmakesyoufeelimportantHerfriendsAshleyBatistaandAmandaWolfeagree BruceHardyhasbeenmakingOctorarastudentsfeelspecialsince1975Thisyearhewillcelebrate30yearsworkingforAlthouseBusCompany．LarryAlthousepresidentofthecompanyacknowledgesBruceHardy’soutstandingrecordYoudonotcomebyemployeeslikeBrucethesedays．Hehasnevermissedadayofworkandhasaperfectdrivingrecord．Hewasrecognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving350000accidentfreemiles．Hardy’sreputationismadefurtherevidentthroughtherelationshipshehasmadewiththestudentsthatridehisbus’’ AlthousefurtheraddsAlthouseBusCompanywasestablished70yearsagoandhasbeenprovidingqualitytransportationeversinceMygrandfatherstartedthebusinesswithonebus．AlthouseBusCompanyisdelightedtohavetheopportunitytobringdistinctiveandsafeservicetoourlocalschoolandcommunityandlooksforwardtocontinuingtoprovidequalityserviceformanymoreyearstocome． ThreegenerationsofbusinessisnotallthecompanyhasenjoyedThankstodriverslikeBruceHardytheyhavebeenbuildingrelationshipsthroughgenerations．Liesl’smotherCarolalsoenjoysfondmemoriesofridingBruceHardy’sbustotheOctoraraSchoolDistrict． BruceHardyhasbeenworkingwithAlthouseBusCompany
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
第三篇 ControllingRobotswiththeMind BelleourtinymonkeywasseatedinherspecialchairinsideachamberatourDukeUniversitylab.Herrighthandgraspedajoystick操纵杆asshewatchedahorizontalseriesoflightsonadisplaypanel.Sheknewthatifalightsuddenlyshoneandshemovedthejoystickleftorrighttocorrespondtoitspositionshewouldbesentadropoffruitjuiceintohermouth. Belleworeacapgluedtoherhead.Underitwerefourplasticconnectorswhichfedarraysofmicrowires-eachwirefinerthanthefinestsewingthread-intodifferentregionsofBelle’smotorcortex脑皮层tilebraintissuethatplansmovementsandsendsinstructions.Eachofthe100microwireslaybesideasinglemotorneuron神经元WhenaneuronproducedanelectricaldischargetheadjacentmicrowirewouldcapturethecurrentandsenditupthroughasmallwiringbundlethatranfromBelle’scaptoaboxofelectronicsonatablenexttothebooth.Theboxinturnwaslinkedtotwocomputersonenextdoorandtheotherhalfacountryaway. Aftermonthsofhardworkwewereabouttotesttheideathatwecouldreliablytranslatetherawelectricalactivityinalivingbeing’sbrain-Belle’smerethoughts-intosignalsthatcoulddirecttheactionsofarobot.WehadassembledamultijointedrobotarminthisroomawayfromBelle’sviewwhichshewouldcontrolforthefirsttime.AssoonasBelle’sbrainsensedalitspotonthepanelelectronicsintheboxrunningtworeal-timemathematicalmodelswouldrapidlyanalyzethetinyactionpotentialsproducedbyherbraincells.Ourlabcomputerwouldconverttheelectricalpatternsintoinstructionsthatwoulddirecttherobotarm.SixhundredmilesnorthinCambridgeMassadifferentcomputerwouldproducethesameactionsinanotherrobotarmbuiltbyMandayamASrinivasan.IfwehaddoneeverythingcorrectlythetworobotarmswouldbehaveasBelle’sarmdidatexactlythesametime. Finallythemomentcame.WerandomlyswitchedonlightsinfrontofBelleandsheimmediatelymovedherjoystickbackandforthtocorrespondtothem.OurrobotarmmovedsimilarlytoBelle’srealarm.SodidSriniwlsan’s.Belleandtherobotsmovedinsynchrony同步likedancerschoreographed设计舞蹈动作bytheelectricalimpulsessparkinginBelle’smind. Inthetwoyearssincethatdayourlabsandseveralothershaveadvancedneurosciencecomputerscienceandmicroelectronicstocreatewaysforratsmonkeysandeventuallyhumanstocontrolmechanicalandelectronicmachinespurelybythinkingthroughorimaginingthemotions.Ourimmediategoalistohelpapersonwhohasbeenunabletomovebyaneurological神经的disorderorspinalcord脊髓injurybutwhosemotorcodexissparedtooperateawheelchairoraroboticlimb. Whichofthefollowingstatementsindicatesthesuccessoftheexperiment
TheSmog烟雾 Foroveramonth.Indonesiawasincrisis.ForestfiresragedoutofcontrolasthecountrySuffereditsworstdroughtfor50years.SmokeformthefiresmixedwithsunlightandhotdryairtoformacloudofsmogThispollutionquicklyspreadandwithindaysitwashangingoverneighbouringcountriesincludingMalaysia．SingaporeandThailandWhenthesmokecombinedwithpollutionfromfactoriesandcars．itsoonbecamepoisonous有毒的．DangerousamountsofCObecametrappedunderthesmogandpollutionlevelsrose． Peoplewheezedf喘息andcoughedastheyleftthehouseandtheireyeswateredimmediately． Thesmogmadeitimpossibletoseeacrossstreetsandwholecitiesdisappearedasgreysoot烟灰coveredeverything．Insomeareaswaterwashosed用胶管浇fromhigh—risecitybuildingstotIYandbreakupthesmog．FinallyheavyrainswhichcameinNovemberputoutthefiresandclearedtheair．Buttheenvironmentalcostsandhealthproblemswillremain．ManypeoplefromSouth-EasternAsiancitiesaireadvsufferfrombreathinghugeamountsofcarexhaustfumes汽车排放的废气andfactorypollution．Breathingproblemscouldwellincreaseandmanynon-sufferersmayhavedifficultiesfor血efirsttime．Wildlifehassufferedtoo．Inlowlandforestselephantsdeerandtigershavebeendrivenoutoftheirhomesbysmog．ButsmogisnotjustanAsianproblem．InfactthewordwasfirstusedinLondonin1905todescribethemixtureofsmokeandthickfog．Fogoftenhungoverthecapital．Sometimesthesmogwassothickandpoisonousthatpeoplewerekilledbybreathingproblemsorinaccidents． About4000Londonersdiedwithinfivedaysasaresultofthicksmogin1952. Thewordsmogfirstappearedin1952．
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TheSmog烟雾 Foroveramonth.Indonesiawasincrisis.ForestfiresragedoutofcontrolasthecountrySuffereditsworstdroughtfor50years.SmokeformthefiresmixedwithsunlightandhotdryairtoformacloudofsmogThispollutionquicklyspreadandwithindaysitwashangingoverneighbouringcountriesincludingMalaysia．SingaporeandThailandWhenthesmokecombinedwithpollutionfromfactoriesandcars．itsoonbecamepoisonous有毒的．DangerousamountsofCObecametrappedunderthesmogandpollutionlevelsrose． Peoplewheezedf喘息andcoughedastheyleftthehouseandtheireyeswateredimmediately． Thesmogmadeitimpossibletoseeacrossstreetsandwholecitiesdisappearedasgreysoot烟灰coveredeverything．Insomeareaswaterwashosed用胶管浇fromhigh—risecitybuildingstotIYandbreakupthesmog．FinallyheavyrainswhichcameinNovemberputoutthefiresandclearedtheair．Buttheenvironmentalcostsandhealthproblemswillremain．ManypeoplefromSouth-EasternAsiancitiesaireadvsufferfrombreathinghugeamountsofcarexhaustfumes汽车排放的废气andfactorypollution．Breathingproblemscouldwellincreaseandmanynon-sufferersmayhavedifficultiesfor血efirsttime．Wildlifehassufferedtoo．Inlowlandforestselephantsdeerandtigershavebeendrivenoutoftheirhomesbysmog．ButsmogisnotjustanAsianproblem．InfactthewordwasfirstusedinLondonin1905todescribethemixtureofsmokeandthickfog．Fogoftenhungoverthecapital．Sometimesthesmogwassothickandpoisonousthatpeoplewerekilledbybreathingproblemsorinaccidents． About4000Londonersdiedwithinfivedaysasaresultofthicksmogin1952. ManyIndonesiansblamedthegovernmentforthedrought．
第一篇AlmostHuman? Scientistsareracingtobuildtheworld’sfirstthinkingrobot．Thisisnotsciencefictionsomesaytheywillhavemadeitbytheyear2020CarolPackerreportsMachinesthatwalkspeakandfeelarenolongersciencefiction．Kismetisthenameofanandroid机器人whichscientistshavebuiltattheMassachusettsInstituteofTechnologyMIT． KismetisdifferentfromthetraditionalrobotbecauseitCanshowhumanemotions．Itseyesearsandlipsmovetoshowwhenitfeelshappy.sadorbored．Kismetisoneofthefirstofanewgenerationofandroids——robotsthatlooklikehumanbeings——whichCanimitatehumanfeelings．CoganotherandroidinventedbytheMITimitatestheactionofamother．HoweverscientistsadmitthatSofarCoghasthementalabilityofatwo—year—old． Theoptimists乐观主义者saythatbytheyear2020wewillhavecreatedhumanoids机器人withbrainssimilartothoseofalladulthumanbeing．Theserobotswillbedesignedtolooklikepeopletomakethemmoreattractiveandeasiertoselltothepublic．Whatkindofjobswilltheydo?InthefuturerobotslikeRobonautahumanoidinventedbyNASAwillbedoingdangerousjobslikerepairingspacestations．TheywillalsobedoingmoreandmomofthehouseholdworkforusInJapanscientistsaredesigningandroidsthatwillentertainusbydancingandplayingthepiano． Somepeopleworryaboutwhatthefutureholdswillrobotsbecomemonsters怪物?Willpeoplethemselvesbecomeincreasinglylikerobots?Expertspredictthatmoreandmorepeoplewillbewearingmicro—computersconnectedtotheInternetinthefuture．Peoplewillhavemicro—chipsinvariouspartsoftheirbodywhichwillconnectthemtoawidevarietyofgadgets小装置．Perhapsweshouldnotexaggerate夸大theimportanceoftechnologybutonewonderswhetherinyearstocomewewillstillbefallinginloveandwhetherwewillstillfeelpain．Whoknows? WhatmakesCogspecial?
TheSmog烟雾 Foroveramonth.Indonesiawasincrisis.ForestfiresragedoutofcontrolasthecountrySuffereditsworstdroughtfor50years.SmokeformthefiresmixedwithsunlightandhotdryairtoformacloudofsmogThispollutionquicklyspreadandwithindaysitwashangingoverneighbouringcountriesincludingMalaysia．SingaporeandThailandWhenthesmokecombinedwithpollutionfromfactoriesandcars．itsoonbecamepoisonous有毒的．DangerousamountsofCObecametrappedunderthesmogandpollutionlevelsrose． Peoplewheezedf喘息andcoughedastheyleftthehouseandtheireyeswateredimmediately． Thesmogmadeitimpossibletoseeacrossstreetsandwholecitiesdisappearedasgreysoot烟灰coveredeverything．Insomeareaswaterwashosed用胶管浇fromhigh—risecitybuildingstotIYandbreakupthesmog．FinallyheavyrainswhichcameinNovemberputoutthefiresandclearedtheair．Buttheenvironmentalcostsandhealthproblemswillremain．ManypeoplefromSouth-EasternAsiancitiesaireadvsufferfrombreathinghugeamountsofcarexhaustfumes汽车排放的废气andfactorypollution．Breathingproblemscouldwellincreaseandmanynon-sufferersmayhavedifficultiesfor血efirsttime．Wildlifehassufferedtoo．Inlowlandforestselephantsdeerandtigershavebeendrivenoutoftheirhomesbysmog．ButsmogisnotjustanAsianproblem．InfactthewordwasfirstusedinLondonin1905todescribethemixtureofsmokeandthickfog．Fogoftenhungoverthecapital．Sometimesthesmogwassothickandpoisonousthatpeoplewerekilledbybreathingproblemsorinaccidents． About4000Londonersdiedwithinfivedaysasaresultofthicksmogin1952. Indonesiawasincrisisbecauseofthedrought．
Thereisno{{U}}risk{{/U}}topublichealth．
第二篇 WhereHaveAlltheFrogsGone Inthe1980sscientistsaroundtheworldbegantonoticesomethingstrangeFrogsweredisappearing.Morerecentresearchhasshownthatmanykindsofamphibians两栖动物aredecliningorhavebecomeextinct.Theyhavebeenaroundforalongtime-over350millionyears.Whyaretheydyingoutnow Scientistsareseriouslyconcernedaboutthisquestion.Firstofallamphibiansareanimportantsourceofscientificandmedicalknowledge.Bystudyingamphibiansscientistshavelearnedaboutnewsubstancesthatcouldbeveryusefulfortreatinghumandiseases.Furtherresearchcouldleadtomanymorediscoveriesbutthatwillbeimpossibleiftheamphibiansdisappear. Themostseriousaspectofamphibianlosshowevergoesbeyondtheamphibiansthemselves.Scientistsarebeginningtothinkaboutwhatamphibiandeclinemeansfortheplanetasawhole.Iftheearthisbecomingunlivableforamphibiansisitalsobecomingunlivableforotherkindsofanimalsandhumanbeingsaswell Scientistsnowbelievethatamphibiandeclineisduetoseveralenvironmentalfactors.Oneofthesefactorsisthedestructionofhabitatthenaturalareawhereananimallives.Amphibiansareverysensitivetochangesintheirhabitat.Iftheycannotfindtherightconditionstheywillnotlaytheireggs.Thesedaysaswildareasarecoveredwithhousesroadsfarmsorfactoriesmanykindsofamphibiansarenolongerlayingeggs.Forexamplethearroyotoad蟾蜍ofsouthernCaliforniawillonlylayitseggsonthesandybottomofaslow-movingstream.ThereareveryfewstreamsleftinsouthernCaliforniaandthosestreamsareoftenmuddybecauseofbuildingprojects.Notsurprisinglythearroyotoadisnowindangerofextinction. Thereareanumberofotherfactorsinamphibiandecline.Pollutionisoneofthem.Inmanyindustrialareasairpollutionhaspoisonedtherainwhichthenfallsonpondsandkillsthefrogsandtoadsthatlivethere.Infarmingareastheheavyuseofchemicalsoncropshasalsokilledoffamphibians.AnotherfactoristhatairpollutionhasledtoincreasedlevelsofultravioletUVlight.ThisendangersamphibianswhichseemtobeespeciallysensitivetoUVlight.Andfinallyscientistshavediscoveredanewdiseasethatseemstobekillingmanyspeciesofamphibiansindifferentpartsoftheworld. Allthesereasonsforthedisappearanceofamphibiansarealsogoodreasonsformoregeneralconcern.Thedestructionoflandthepollutionoftheairandthewaterthechangesinouratmospherethespreadofdiseases-thesefactorsaffecthumanbeingstoo.Amphibiansareespeciallysensitivetoenvironmentalchange.Perhapstheyarelikethecanary金丝雀birdthatcoalminersonceusedtotakedownintotheminestodetectpoisonousgases.Whenthecanarybecameillordiedtheminersknewthatdangerousgaseswerenearandtheirownliveswereindanger. Scientiststhinkthatthedeclineofamphibianscould
Wecannolonger{{U}}putupwith{{/U}}hisactions
Theriver{{U}}widens{{/U}}considerablyasitbeginstoturnwest.
TheSmog烟雾 Foroveramonth.Indonesiawasincrisis.ForestfiresragedoutofcontrolasthecountrySuffereditsworstdroughtfor50years.SmokeformthefiresmixedwithsunlightandhotdryairtoformacloudofsmogThispollutionquicklyspreadandwithindaysitwashangingoverneighbouringcountriesincludingMalaysia．SingaporeandThailandWhenthesmokecombinedwithpollutionfromfactoriesandcars．itsoonbecamepoisonous有毒的．DangerousamountsofCObecametrappedunderthesmogandpollutionlevelsrose． Peoplewheezedf喘息andcoughedastheyleftthehouseandtheireyeswateredimmediately． Thesmogmadeitimpossibletoseeacrossstreetsandwholecitiesdisappearedasgreysoot烟灰coveredeverything．Insomeareaswaterwashosed用胶管浇fromhigh—risecitybuildingstotIYandbreakupthesmog．FinallyheavyrainswhichcameinNovemberputoutthefiresandclearedtheair．Buttheenvironmentalcostsandhealthproblemswillremain．ManypeoplefromSouth-EasternAsiancitiesaireadvsufferfrombreathinghugeamountsofcarexhaustfumes汽车排放的废气andfactorypollution．Breathingproblemscouldwellincreaseandmanynon-sufferersmayhavedifficultiesfor血efirsttime．Wildlifehassufferedtoo．Inlowlandforestselephantsdeerandtigershavebeendrivenoutoftheirhomesbysmog．ButsmogisnotjustanAsianproblem．InfactthewordwasfirstusedinLondonin1905todescribethemixtureofsmokeandthickfog．Fogoftenhungoverthecapital．Sometimesthesmogwassothickandpoisonousthatpeoplewerekilledbybreathingproblemsorinaccidents． About4000Londonersdiedwithinfivedaysasaresultofthicksmogin1952. Theair?pollutionindexwentupt0300withinafewdays．
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
第一篇AlmostHuman? Scientistsareracingtobuildtheworld’sfirstthinkingrobot．Thisisnotsciencefictionsomesaytheywillhavemadeitbytheyear2020CarolPackerreportsMachinesthatwalkspeakandfeelarenolongersciencefiction．Kismetisthenameofanandroid机器人whichscientistshavebuiltattheMassachusettsInstituteofTechnologyMIT． KismetisdifferentfromthetraditionalrobotbecauseitCanshowhumanemotions．Itseyesearsandlipsmovetoshowwhenitfeelshappy.sadorbored．Kismetisoneofthefirstofanewgenerationofandroids——robotsthatlooklikehumanbeings——whichCanimitatehumanfeelings．CoganotherandroidinventedbytheMITimitatestheactionofamother．HoweverscientistsadmitthatSofarCoghasthementalabilityofatwo—year—old． Theoptimists乐观主义者saythatbytheyear2020wewillhavecreatedhumanoids机器人withbrainssimilartothoseofalladulthumanbeing．Theserobotswillbedesignedtolooklikepeopletomakethemmoreattractiveandeasiertoselltothepublic．Whatkindofjobswilltheydo?InthefuturerobotslikeRobonautahumanoidinventedbyNASAwillbedoingdangerousjobslikerepairingspacestations．TheywillalsobedoingmoreandmomofthehouseholdworkforusInJapanscientistsaredesigningandroidsthatwillentertainusbydancingandplayingthepiano． Somepeopleworryaboutwhatthefutureholdswillrobotsbecomemonsters怪物?Willpeoplethemselvesbecomeincreasinglylikerobots?Expertspredictthatmoreandmorepeoplewillbewearingmicro—computersconnectedtotheInternetinthefuture．Peoplewillhavemicro—chipsinvariouspartsoftheirbodywhichwillconnectthemtoawidevarietyofgadgets小装置．Perhapsweshouldnotexaggerate夸大theimportanceoftechnologybutonewonderswhetherinyearstocomewewillstillbefallinginloveandwhetherwewillstillfeelpain．Whoknows? Inthefuturerobotswillalso
第二篇CreditCardOnlyWorksWhenSpokento Acreditcardthatwillnotworkunlessithearsitsowner’svoicecouldbecomeanimportantweaponinthefightagainstfraud欺骗． Thecardrequiresuserstogiveaspokenpasswordthatitrecognizesusingabuilt-in Voice-recognitionchip．Theideaistopreventthievesusingastolencardorfraudstersusingsomeoneelse’screditcarddetailstobuygoodsonline． AmodelbuiltbyengineersatBeepcardinSantaMonicaCaliforniarepresentsthefirstattempttopackamicrophonealoudspeakerabatteryandavoice?recognitionchipintoastandard．sizedcreditcard． Theyarenotquitethereyetthecardisthelengthandwidthofanordinarycreditcardbutitisstillaboutthreetimesasthick．Thecompanynowplanstomakeitthinner． ThevoicecardisbasedonanearlierBeepcardtechnologydesignedtopreventfraudin onlinetransactionsThisearliercardhasnomicrophonebuthasabuilt?inloudspeakerthatitusestosquawk发出叫声avoiceIDsignalviaacomputer’smicrophonetoanonlineserver． Byverifying证实thatthesignalmatchesthecarddetailstheservercanestablishthattheuserisnotsimplykeyinginacreditcardnumberbutactuallyhasthecardtohand．TheIDcodechangeseachtimethecardisusedinapre—orderedsequencethatonlytheserverknows． ThispreventsfraudstersrecordingthebeepsnotingthecarddetailsandthenplayingbacktheaudibleIDwhentheykeyinthedetailslaterButthisearliertechnologycannotpreventfraudulentuseofstolencardsThenewonecan ThenewvoicecardalsoidentifiesitselfbyitsIDsquawk．butitwillnotdothisuntilithasverifiedthelegitimate合法的user’sspokenpasswordThieveswillbeunabletousethecardbecauseeveniftheyknewthepasswordtheywouldhavetobeabletocopytheowner’svoicewithahighdegreeofaccuracy ThechallengeforBeepcardhasbeentodevelopvoice-recognitionandaudiocircuitrythatCanbepoweredbyaminibatteryembedded嵌入的inacreditcard．Tomaximizebatterylifetheelectronicsareonlyswitchedonwhenthecardisbeingused．Pressingabuttononthecard’ssurfacepromptsittoutterSayyourpasswordinfemalevoiceIfthevoice—recognitionsoftwareprovesthatthepasswordisauthentic真实的itsendsitsIDsquawkwhichtheserverthen identifies．allowingthetransactiontoproceed Whatcanwelearnfromthelastparagraphaboutthevoicecard?
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
第二篇CreditCardOnlyWorksWhenSpokento Acreditcardthatwillnotworkunlessithearsitsowner’svoicecouldbecomeanimportantweaponinthefightagainstfraud欺骗． Thecardrequiresuserstogiveaspokenpasswordthatitrecognizesusingabuilt-in Voice-recognitionchip．Theideaistopreventthievesusingastolencardorfraudstersusingsomeoneelse’screditcarddetailstobuygoodsonline． AmodelbuiltbyengineersatBeepcardinSantaMonicaCaliforniarepresentsthefirstattempttopackamicrophonealoudspeakerabatteryandavoice?recognitionchipintoastandard．sizedcreditcard． Theyarenotquitethereyetthecardisthelengthandwidthofanordinarycreditcardbutitisstillaboutthreetimesasthick．Thecompanynowplanstomakeitthinner． ThevoicecardisbasedonanearlierBeepcardtechnologydesignedtopreventfraudin onlinetransactionsThisearliercardhasnomicrophonebuthasabuilt?inloudspeakerthatitusestosquawk发出叫声avoiceIDsignalviaacomputer’smicrophonetoanonlineserver． Byverifying证实thatthesignalmatchesthecarddetailstheservercanestablishthattheuserisnotsimplykeyinginacreditcardnumberbutactuallyhasthecardtohand．TheIDcodechangeseachtimethecardisusedinapre—orderedsequencethatonlytheserverknows． ThispreventsfraudstersrecordingthebeepsnotingthecarddetailsandthenplayingbacktheaudibleIDwhentheykeyinthedetailslaterButthisearliertechnologycannotpreventfraudulentuseofstolencardsThenewonecan ThenewvoicecardalsoidentifiesitselfbyitsIDsquawk．butitwillnotdothisuntilithasverifiedthelegitimate合法的user’sspokenpasswordThieveswillbeunabletousethecardbecauseeveniftheyknewthepasswordtheywouldhavetobeabletocopytheowner’svoicewithahighdegreeofaccuracy ThechallengeforBeepcardhasbeentodevelopvoice-recognitionandaudiocircuitrythatCanbepoweredbyaminibatteryembedded嵌入的inacreditcard．Tomaximizebatterylifetheelectronicsareonlyswitchedonwhenthecardisbeingused．Pressingabuttononthecard’ssurfacepromptsittoutterSayyourpasswordinfemalevoiceIfthevoice—recognitionsoftwareprovesthatthepasswordisauthentic真实的itsendsitsIDsquawkwhichtheserverthen identifies．allowingthetransactiontoproceed Whichofthefollowingstatementsabouttheearliercardistrue?
Thatplayeris{{U}}eternally{{/U}}arguingwiththereferee
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
Ittookusalongtimeto{{U}}mend{{/U}}thehouse
SolarStorm AttheendofOctober2003asuddensolarstormhittheearth.A.solarstormreferstothelargeamountsofchargedparticlesreleasedintospace______51thesolarenergyincreases.Thereleaseoftheenergy______52placealongwiththeactivityofthesunspotswithacycleof11years.Thistimethe______53ofthestormexceededexpectations. This______54ofintensesolarstormwascausedbytheeruptionofasolarflare闪光andtheejection喷发ofthesolarcorona日冠onOctober282003.Largeamountsofchargedparticlesmoved150000000kilometersthroughspacetowardthe______55in19hours.Theycouldaffectaircraftroaming漫游inspace. Thehigh-energyparticleswill______56someofthepartsofanaircraft.Theymayalsocauseittofail.High-energyparticlescanthreatenthesafetyofanaircraftatahighorbit.Ifanaircraftorbitsatalowerorbititis______57becauseitisundertheprotectionoftheearth’smagneticfield. Asolarstormnotonlyaffectsaircraftbutalsoisa______58totheenvironmentandhumans.Theaerosphereandmagneticfieldoftheearthcan______59humansfromultravioletradiationandX-rays.WhilemostoftheX-rays areabsorbedaftertheyentertheaerosphere大气层stillafewcan______60theground. Thegeomagneticstormcausedbythisroundofsolarstormreachesitshighestlevelonthetwo______61oftheearthwhichaffectselectricitysupplyofNorthAmerica.Overexposureto______62threatensthehealthofpassengersonplanesflyingoverthePolarRegions.Ifweflyintheskyduringsuchasolarstormit______63wereceivetentimestheX-rayradiation.It’sreallydamaging. Scientistssayasolareruptionislikethesunsneezingwhichwillmaketheearth______64acold.Thoughthisnaturalforceisirresistiblescientistscanstill______65itsmovementaccuratelybymonitoring.Facingsuccessivesolarstormshumanscan’tdroptheirguard
Theseprogrammesareof{{U}}immense{{/U}}valuetooldpeople?
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