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WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
TheCherokeeNationLongbeforethewhitemancametoAmericathelandbelongedtotheAmericanIndiannations.ThenationoftheCherokeeslivedinwhatisnowthesoutheasternpartoftheUnitedStates.Aft6rthewhitemancametheCherokeescopiedmanyoftheirways.OneCherokeenamedSequoyahsawhowimportantreadingandwritingwastothewhiteman.HedecidedtoinventawaytowritedownthespokenCherokeelanguage.Hebeganbymakingwordpictures.Foreachwordhedrewapicture.Butthatprovedimpossible—therewerejusttoomanywords.Thenhetookthe85soundsthatmadeupthelanguage.UsinghisownimaginationandanEnglishspellingbookSequoyahinventedasignforeachsound.Hisalphabetprovedamazinglyeasytolearn.BeforelongmanyCherokeesknewhowtoreadandwriteintheirownlanguage.By1828theywereevenprintingtheirownnewspaper.In1830theUSCongresspassedalaw.ItallowedthegovernmenttoremoveIndiansfromtheirlands.TheCherokeesrefusedtogo.Theyhadlivedontheirlandsforcenturies.Itbelongedtothem.WhyshouldtheygotoastrangelandfarbeyondtheMississippiRiverThearmywassenttodrivetheCherokeesout.Soldierssurroundedtheirvillagesandmarchedthematgunpointintothewesternterritory.Thesicktheoldandthesmallchildrenwentincartsalongwiththeirbelongings.Therestofthepeoplemarchedonfootorrodeonhorseback.ItwasNovemberyetmanyofthemstillworetheirsummerclothes.ColdandhungrytheCherokeeswerequicklyexhaustedbythehardshipsofthejourney.Manydroppeddeadandwereburiedbytheroadside.WhenthelastgrouparrivedintheirnewhomeinMarch1839morethan4000haddied.Itwasindeedamarchofdeath.ManyCherokeesdiedontheirwaytotheirnewhomemainlybecause______.
TheColdPlacesTheArcticisapolarregion.ItsurroundstheNorthPole.LikeAntarcticatheArcticisalandoficeandsnow.Antarcticaholdstherecordforalowtemperaturereading—125Fahrenheitbelowzero.Readingsof85degreesbelowzeroarecommoninboththeArcticandAntarctica.Wintertemperaturesaverage30degreesbelowzerointheArctic.AttheSouthPolethewinterisabout73degreesbelowzero.OnethingalonemakesitalmostimpossibleformentoJiveinAntarcticaandinpartsoftheArctic.Thisonethingisthelowtemperature—thekillingchiliofthefarNorthandthepolarSouth.Tosurvivemenmustwearthewarmestpossibleclothing.Theymustbuildwindproofshelters.Theymustkeepheatersgoingatalltimes.Notevenformomentcantheybeunprotectedagainstthebelow-zerotemperature.Menhaveawayofprovidingforthemselves.Polarexplorerswrapthemselvesinwarmcoatsandfurs.Thecoldmakeslifedifficult.Buttheexplorerscanstayalive.WhataboutanimalsCantheysurviveDowefindplantsDowefindlifeintheArcticandtheAntarcticaYeswedo.Thereislifeintheoceans.Thereislifeonland.Antarcticaaswehaveseenisacoldplaceindeed.Butthishasnotalwaysbeenthecase.ExpeditionscientistshavediscoveredthatAntarcticamayhavebeenmuchlikeourown.ExploreshavediscoveredcoalinAntarctica.ThisleadsthemtobelievethatAntarcticaatonetimewasalandofswampsandforests.Heatandmoisturemusthavekeptthetreesintheforestsalive.ThelowesttemperaturethatmanhaseverknownwasrecordedinAntarctic
TheColdPlacesTheArcticisapolarregion.ItsurroundstheNorthPole.LikeAntarcticatheArcticisalandoficeandsnow.Antarcticaholdstherecordforalowtemperaturereading—125Fahrenheitbelowzero.Readingsof85degreesbelowzeroarecommoninboththeArcticandAntarctica.Wintertemperaturesaverage30degreesbelowzerointheArctic.AttheSouthPolethewinterisabout73degreesbelowzero.OnethingalonemakesitalmostimpossibleformentoJiveinAntarcticaandinpartsoftheArctic.Thisonethingisthelowtemperature—thekillingchiliofthefarNorthandthepolarSouth.Tosurvivemenmustwearthewarmestpossibleclothing.Theymustbuildwindproofshelters.Theymustkeepheatersgoingatalltimes.Notevenformomentcantheybeunprotectedagainstthebelow-zerotemperature.Menhaveawayofprovidingforthemselves.Polarexplorerswrapthemselvesinwarmcoatsandfurs.Thecoldmakeslifedifficult.Buttheexplorerscanstayalive.WhataboutanimalsCantheysurviveDowefindplantsDowefindlifeintheArcticandtheAntarcticaYeswedo.Thereislifeintheoceans.Thereislifeonland.Antarcticaaswehaveseenisacoldplaceindeed.Butthishasnotalwaysbeenthecase.ExpeditionscientistshavediscoveredthatAntarcticamayhavebeenmuchlikeourown.ExploreshavediscoveredcoalinAntarctica.ThisleadsthemtobelievethatAntarcticaatonetimewasalandofswampsandforests.Heatandmoisturemusthavekeptthetreesintheforestsalive.AtonetimetheweatherinAntarcticawassowarmanddampthattreesgrewthere.
TheCherokeeNationLongbeforethewhitemancametoAmericathelandbelongedtotheAmericanIndiannations.ThenationoftheCherokeeslivedinwhatisnowthesoutheasternpartoftheUnitedStates.Aft6rthewhitemancametheCherokeescopiedmanyoftheirways.OneCherokeenamedSequoyahsawhowimportantreadingandwritingwastothewhiteman.HedecidedtoinventawaytowritedownthespokenCherokeelanguage.Hebeganbymakingwordpictures.Foreachwordhedrewapicture.Butthatprovedimpossible—therewerejusttoomanywords.Thenhetookthe85soundsthatmadeupthelanguage.UsinghisownimaginationandanEnglishspellingbookSequoyahinventedasignforeachsound.Hisalphabetprovedamazinglyeasytolearn.BeforelongmanyCherokeesknewhowtoreadandwriteintheirownlanguage.By1828theywereevenprintingtheirownnewspaper.In1830theUSCongresspassedalaw.ItallowedthegovernmenttoremoveIndiansfromtheirlands.TheCherokeesrefusedtogo.Theyhadlivedontheirlandsforcenturies.Itbelongedtothem.WhyshouldtheygotoastrangelandfarbeyondtheMississippiRiverThearmywassenttodrivetheCherokeesout.Soldierssurroundedtheirvillagesandmarchedthematgunpointintothewesternterritory.Thesicktheoldandthesmallchildrenwentincartsalongwiththeirbelongings.Therestofthepeoplemarchedonfootorrodeonhorseback.ItwasNovemberyetmanyofthemstillworetheirsummerclothes.ColdandhungrytheCherokeeswerequicklyexhaustedbythehardshipsofthejourney.Manydroppeddeadandwereburiedbytheroadside.WhenthelastgrouparrivedintheirnewhomeinMarch1839morethan4000haddied.Itwasindeedamarchofdeath.Alawwaspassedin1830to______.
EarthquakeEveryyearearthquakesareresponsibleforalargenumberofdeathsandavastamountofdestructioninvariouspartsoftheworld.MostofthesedamagingearthquakesoccureitherinanarrowbeltwhichsurroundsthePacificOceanorinalinewhichextendsfromBurmatotheAlpsinEurope.Someofthedestructionisdirectlycausedbythequakeitself.Anexampleofthisisthecollapseofbuildingsasaresultofthequakeitself.Otherdamageresultsfromlandslidesormajorfireswhichareinitiatedbythequake.Theseareaboutamillionquakesayear.Fortunatelyhowevernotallofthemaredestructive.TheintensityofanearthquakeismeasuredontheRichterScalewhichgoesfromupward.Thehighestscalerecordedtodateis8.9.Majordamagegenerallyoccursfromquakesrangingupwardfrom6.0.Theactualcauseofthequakeitselfisthebreakingofrocksatorbelowtheearth’ssurface.Thisisproducedbypressurewhichscientistsbelievemaybeduetoanumberofreasonstwoofwhicharetheexpansionandcontractionoftheearth’scrustandcontinentaldrift.Inordertolimitthedamageandtopreventsomeofthesufferingresultingfromearthquakesscientistsareworkingonwaystoenableaccurateprediction.Specialinstrumentsareusedtohelppeoplerecordforexampleshakingoftheearth.Scientistsaretryingtofindmethodsthatwillenablethemtoindicatetheexacttimelocationandsizeofanearthquake.Certainphenomenahavebeenobservedwhicharebelievedtobethesignsofimminentearthquakes.Theseincludestrangebehaviorsofsomeanimalsthechangesinthecontentofmineralwateretc.Themagneticpropertiesofrocksmayalsodisplayspecialpatternbeforeearthquakeshappen.Notallearthquakesarestrongenoughtocause______
EarthquakeEveryyearearthquakesareresponsibleforalargenumberofdeathsandavastamountofdestructioninvariouspartsoftheworld.MostofthesedamagingearthquakesoccureitherinanarrowbeltwhichsurroundsthePacificOceanorinalinewhichextendsfromBurmatotheAlpsinEurope.Someofthedestructionisdirectlycausedbythequakeitself.Anexampleofthisisthecollapseofbuildingsasaresultofthequakeitself.Otherdamageresultsfromlandslidesormajorfireswhichareinitiatedbythequake.Theseareaboutamillionquakesayear.Fortunatelyhowevernotallofthemaredestructive.TheintensityofanearthquakeismeasuredontheRichterScalewhichgoesfromupward.Thehighestscalerecordedtodateis8.9.Majordamagegenerallyoccursfromquakesrangingupwardfrom6.0.Theactualcauseofthequakeitselfisthebreakingofrocksatorbelowtheearth’ssurface.Thisisproducedbypressurewhichscientistsbelievemaybeduetoanumberofreasonstwoofwhicharetheexpansionandcontractionoftheearth’scrustandcontinentaldrift.Inordertolimitthedamageandtopreventsomeofthesufferingresultingfromearthquakesscientistsareworkingonwaystoenableaccurateprediction.Specialinstrumentsareusedtohelppeoplerecordforexampleshakingoftheearth.Scientistsaretryingtofindmethodsthatwillenablethemtoindicatetheexacttimelocationandsizeofanearthquake.Certainphenomenahavebeenobservedwhicharebelievedtobethesignsofimminentearthquakes.Theseincludestrangebehaviorsofsomeanimalsthechangesinthecontentofmineralwateretc.Themagneticpropertiesofrocksmayalsodisplayspecialpatternbeforeearthquakeshappen.paragraph3______
Wewereastonishedtohearthattheirfootballteamhadwonthechampion.
WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
EarthquakeEveryyearearthquakesareresponsibleforalargenumberofdeathsandavastamountofdestructioninvariouspartsoftheworld.MostofthesedamagingearthquakesoccureitherinanarrowbeltwhichsurroundsthePacificOceanorinalinewhichextendsfromBurmatotheAlpsinEurope.Someofthedestructionisdirectlycausedbythequakeitself.Anexampleofthisisthecollapseofbuildingsasaresultofthequakeitself.Otherdamageresultsfromlandslidesormajorfireswhichareinitiatedbythequake.Theseareaboutamillionquakesayear.Fortunatelyhowevernotallofthemaredestructive.TheintensityofanearthquakeismeasuredontheRichterScalewhichgoesfromupward.Thehighestscalerecordedtodateis8.9.Majordamagegenerallyoccursfromquakesrangingupwardfrom6.0.Theactualcauseofthequakeitselfisthebreakingofrocksatorbelowtheearth’ssurface.Thisisproducedbypressurewhichscientistsbelievemaybeduetoanumberofreasonstwoofwhicharetheexpansionandcontractionoftheearth’scrustandcontinentaldrift.Inordertolimitthedamageandtopreventsomeofthesufferingresultingfromearthquakesscientistsareworkingonwaystoenableaccurateprediction.Specialinstrumentsareusedtohelppeoplerecordforexampleshakingoftheearth.Scientistsaretryingtofindmethodsthatwillenablethemtoindicatetheexacttimelocationandsizeofanearthquake.Certainphenomenahavebeenobservedwhicharebelievedtobethesignsofimminentearthquakes.Theseincludestrangebehaviorsofsomeanimalsthechangesinthecontentofmineralwateretc.Themagneticpropertiesofrocksmayalsodisplayspecialpatternbeforeearthquakeshappen.paragraph5______
Techniquestoemploytheenergyofthesunarebeingdeveloped.
Medicinedependsonotherfieldsforbasicinformationparticularlysomeoftheirspecializedbranches.
CementwasseldomUsedinbuildingsintheMiddleAges.
WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
TheColdPlacesTheArcticisapolarregion.ItsurroundstheNorthPole.LikeAntarcticatheArcticisalandoficeandsnow.Antarcticaholdstherecordforalowtemperaturereading—125Fahrenheitbelowzero.Readingsof85degreesbelowzeroarecommoninboththeArcticandAntarctica.Wintertemperaturesaverage30degreesbelowzerointheArctic.AttheSouthPolethewinterisabout73degreesbelowzero.OnethingalonemakesitalmostimpossibleformentoJiveinAntarcticaandinpartsoftheArctic.Thisonethingisthelowtemperature—thekillingchiliofthefarNorthandthepolarSouth.Tosurvivemenmustwearthewarmestpossibleclothing.Theymustbuildwindproofshelters.Theymustkeepheatersgoingatalltimes.Notevenformomentcantheybeunprotectedagainstthebelow-zerotemperature.Menhaveawayofprovidingforthemselves.Polarexplorerswrapthemselvesinwarmcoatsandfurs.Thecoldmakeslifedifficult.Buttheexplorerscanstayalive.WhataboutanimalsCantheysurviveDowefindplantsDowefindlifeintheArcticandtheAntarcticaYeswedo.Thereislifeintheoceans.Thereislifeonland.Antarcticaaswehaveseenisacoldplaceindeed.Butthishasnotalwaysbeenthecase.ExpeditionscientistshavediscoveredthatAntarcticamayhavebeenmuchlikeourown.ExploreshavediscoveredcoalinAntarctica.ThisleadsthemtobelievethatAntarcticaatonetimewasalandofswampsandforests.Heatandmoisturemusthavekeptthetreesintheforestsalive.Despitethehostileenvironmentbothanimalsandplantscanbefoundintheoceansandonlandinpolarareas.
WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
AThirstyWorldTheworldisnotonlyhungry;itisalsothirstyforwater.Thisseemsstrangetoyousincenearly75%oftheearth’ssurfaceiscoveredwithwater.Butabout97%ofthishugeamountisfromsea-waterorsaltwater.Mancanonlydrinkandusetheother3%—thefreshwaterthatcomesfromriverslakesundergroundandothersources.Andwecannotevenuseallofthatbecausesomeofitisintheformoficeberg冰山andglaciers冰川.Evenworsesomeofithasbeenpolluted.Atthemomentthissmallamountoffreshwaterisstillenoughforus.Howeverourneedforwaterisincreasingrapidly.Onlyifwetakestepstodealwiththisproblemnowcanweavoidasevereworldwidewatershortagelateron.Alimitedwatersupplywouldhaveabadeffectonagricultureandindustry.Inadditiontostoppingwastingourpreciouswateroneusefulstepweshouldtakeistodevelopwaysofreusingit.Experimentshavealreadybeendoneinthisfieldbutonlyonasmallscale.Todayinmostlargecitiestankswaterisusedonlyonceanditeventuallyreturnstotheseaorrunsintoundergroundstoragetanks.Butitispossibletopipewaterthathasbeenusedtoapurifying净化plant.Thereitcanbefiltered过滤andtreatedwithchemicalssothatitcanbeusedagainjustasitwerefreshfromaspring.Butevenifeverylargecitypurifiedandreuseditswaterwestillwouldnothaveenough.WherecouldweturnnextTotheoceans!Allwe’dhavetodotomakeuseofthevastamountofsea-wateris—removethesalt.Thissalt-removingprocessisalreadyinuseinmanypartsoftheworld.Whatpercentageoftheearth’swatercanmanactuallyuseatpresent
EarthquakeEveryyearearthquakesareresponsibleforalargenumberofdeathsandavastamountofdestructioninvariouspartsoftheworld.MostofthesedamagingearthquakesoccureitherinanarrowbeltwhichsurroundsthePacificOceanorinalinewhichextendsfromBurmatotheAlpsinEurope.Someofthedestructionisdirectlycausedbythequakeitself.Anexampleofthisisthecollapseofbuildingsasaresultofthequakeitself.Otherdamageresultsfromlandslidesormajorfireswhichareinitiatedbythequake.Theseareaboutamillionquakesayear.Fortunatelyhowevernotallofthemaredestructive.TheintensityofanearthquakeismeasuredontheRichterScalewhichgoesfromupward.Thehighestscalerecordedtodateis8.9.Majordamagegenerallyoccursfromquakesrangingupwardfrom6.0.Theactualcauseofthequakeitselfisthebreakingofrocksatorbelowtheearth’ssurface.Thisisproducedbypressurewhichscientistsbelievemaybeduetoanumberofreasonstwoofwhicharetheexpansionandcontractionoftheearth’scrustandcontinentaldrift.Inordertolimitthedamageandtopreventsomeofthesufferingresultingfromearthquakesscientistsareworkingonwaystoenableaccurateprediction.Specialinstrumentsareusedtohelppeoplerecordforexampleshakingoftheearth.Scientistsaretryingtofindmethodsthatwillenablethemtoindicatetheexacttimelocationandsizeofanearthquake.Certainphenomenahavebeenobservedwhicharebelievedtobethesignsofimminentearthquakes.Theseincludestrangebehaviorsofsomeanimalsthechangesinthecontentofmineralwateretc.Themagneticpropertiesofrocksmayalsodisplayspecialpatternbeforeearthquakeshappen.Earthquakescanbepredictedbyobserving______
Itisoutofthequestionthattheinspectorwillcometomorrow.
FalseFearofBigFishManypeoplebelievesharks鲨鱼aredangerousandwillalwaystrytohurtorevenkillhumans.1AsharkexhibitionattheNationalAquarium水族馆inBaltimoreUSprovesthis.Visitorscantouchyoungsharksseetheireggsdevelopandwatchadozendifferentspeciesswimsmoothlyaroundahugetank.Mostpeoplefailtorealizethatsharkattacksdon’thappenveryoften.Humansaremorelikelytobekilledbylightningthanbyashark.2TherekidsCalllearnfromanearlyagenottofearsharks.Peoplefearwhattheydon’tknowsaidNancyHotchkissanorganizeroftheexhibition.Sharkshavebeenaroundfor400millionyearsandplayanimportantroleintheocean’sfoodchain.Wewantpeopletodiscoverthatsharksareamazinganimalsthatneedourrespectandprotection.3AstudypublishedinJanuaryintheUSmagazineSciencefoundthatalmostallrecodedsharkspecieshavefallenbyhalfinthepasteightto15years.ThousandsofsharksarehuntedinAsiaforspecialfoodssuchassharkfin鱼翅soup.Andmanyothersgetcaughtinnetswhilefishermenarehuntingotherfish.4SomefishingmethodsareactuallycleaningouttheoceanforsharkssaidDaveSchofieldthemanageroftheaquarium’soceanhealthprogram.5A.Theycanwatchthemdevelopinsidetheireggsandfeeltheskinoftheolderswimmers.B.Ashocking100millionsharksarekilledeveryyeararoundtheworldbyhumans.C.Infact94percentoftheworld’s400speciesareharmlesstohumans.D.Itisaworryingsituationandsomeareashaveputmeasuresinplacetoprotectthesespecialfish.E.Andtomakethispointclearthemuseumhassetupaspecialtouchingpoolforchildren.F.Morethanhalfofthesharkscaughtaresmallerthan1meterlon
WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
WhereDidAlltheShipsGoTheBermudaTriangleisone1thegreatestmysteriesofthesea.InthistriangularareabetweenFloridaPuertoRicoandBermudainAtlanticshipsandairplanes2todisappearmoreoftenthanin3partsoftheocean.Andtheydoso4leavinganysignofallaccidentoranydeadbodies.Itis5thatChristopherColumbuswasthefirstpersontorecordstrangehappeningsinthearea.Hiscompassstoppedworkingaflamecamedownfromtheskyandawave100to200feethighcarriedhisshipaboutamileaway.ThemostfamousdisappearanceintheBermudaTrianglewastheUSNavalAirFlight19.6December51945fivebomberplanescarrying14men.7onatrainingmissionfromtheFloridacoast.LaterthatdayallcommunicationswithFlight19werelost.Theyjustdisappearedwithoutatrace.Thenextmorning242planesand19shipstookpartinthelargestair-seasearchinhistory.Buttheyfoundnothing.Somepeopleblamethedisappearances8supernaturalforces.Itissuggestedthe9shipsandplaneswereeithertransportedtoothertimesandplaceskidnappedbyaliens10attackedbyseacreatures.Thereare11naturalexplanationsthough.TheUSNavysaysthattheBermudatriangleisoneoftwoplacesonearth12amagneticcompasspointstowardstruenorth13magneticnorth.14planesandshipscanlosetheirwayiftheydon’tmakeadjustments.Theareaalsohaschangingweatherandisknown15itshighwaves.Stormscanturnupsuddenlyanddestroyaplaneorship.Fastcurrentscouldthensweepawayanytraceofanaccident.BermudaTriangle百慕大三角区Florida4佛罗里达美国的一个放PuetoRico波多黎各Compassn.罗盘指南针supernaturaladj.超自然kidnapv.绑架alienn.外星人magneticadj.有磁性的tracen.痕迹
Theyhadafarbetteryieldthananyotherfarmmilesawayaroundthisyear.
FalseFearofBigFishManypeoplebelievesharks鲨鱼aredangerousandwillalwaystrytohurtorevenkillhumans.1AsharkexhibitionattheNationalAquarium水族馆inBaltimoreUSprovesthis.Visitorscantouchyoungsharksseetheireggsdevelopandwatchadozendifferentspeciesswimsmoothlyaroundahugetank.Mostpeoplefailtorealizethatsharkattacksdon’thappenveryoften.Humansaremorelikelytobekilledbylightningthanbyashark.2TherekidsCalllearnfromanearlyagenottofearsharks.Peoplefearwhattheydon’tknowsaidNancyHotchkissanorganizeroftheexhibition.Sharkshavebeenaroundfor400millionyearsandplayanimportantroleintheocean’sfoodchain.Wewantpeopletodiscoverthatsharksareamazinganimalsthatneedourrespectandprotection.3AstudypublishedinJanuaryintheUSmagazineSciencefoundthatalmostallrecodedsharkspecieshavefallenbyhalfinthepasteightto15years.ThousandsofsharksarehuntedinAsiaforspecialfoodssuchassharkfin鱼翅soup.Andmanyothersgetcaughtinnetswhilefishermenarehuntingotherfish.4SomefishingmethodsareactuallycleaningouttheoceanforsharkssaidDaveSchofieldthemanageroftheaquarium’soceanhealthprogram.5A.Theycanwatchthemdevelopinsidetheireggsandfeeltheskinoftheolderswimmers.B.Ashocking100millionsharksarekilledeveryyeararoundtheworldbyhumans.C.Infact94percentoftheworld’s400speciesareharmlesstohumans.D.Itisaworryingsituationandsomeareashaveputmeasuresinplacetoprotectthesespecialfish.E.Andtomakethispointclearthemuseumhassetupaspecialtouchingpoolforchildren.F.Morethanhalfofthesharkscaughtaresmallerthan1meterlon
AThirstyWorldTheworldisnotonlyhungry;itisalsothirstyforwater.Thisseemsstrangetoyousincenearly75%oftheearth’ssurfaceiscoveredwithwater.Butabout97%ofthishugeamountisfromsea-waterorsaltwater.Mancanonlydrinkandusetheother3%—thefreshwaterthatcomesfromriverslakesundergroundandothersources.Andwecannotevenuseallofthatbecausesomeofitisintheformoficeberg冰山andglaciers冰川.Evenworsesomeofithasbeenpolluted.Atthemomentthissmallamountoffreshwaterisstillenoughforus.Howeverourneedforwaterisincreasingrapidly.Onlyifwetakestepstodealwiththisproblemnowcanweavoidasevereworldwidewatershortagelateron.Alimitedwatersupplywouldhaveabadeffectonagricultureandindustry.Inadditiontostoppingwastingourpreciouswateroneusefulstepweshouldtakeistodevelopwaysofreusingit.Experimentshavealreadybeendoneinthisfieldbutonlyonasmallscale.Todayinmostlargecitiestankswaterisusedonlyonceanditeventuallyreturnstotheseaorrunsintoundergroundstoragetanks.Butitispossibletopipewaterthathasbeenusedtoapurifying净化plant.Thereitcanbefiltered过滤andtreatedwithchemicalssothatitcanbeusedagainjustasitwerefreshfromaspring.Butevenifeverylargecitypurifiedandreuseditswaterwestillwouldnothaveenough.WherecouldweturnnextTotheoceans!Allwe’dhavetodotomakeuseofthevastamountofsea-wateris—removethesalt.Thissalt-removingprocessisalreadyinuseinmanypartsoftheworld.WhichofthefollowingstatementsaccordingtothepassageisNOTtrue
TheCherokeeNationLongbeforethewhitemancametoAmericathelandbelongedtotheAmericanIndiannations.ThenationoftheCherokeeslivedinwhatisnowthesoutheasternpartoftheUnitedStates.Aft6rthewhitemancametheCherokeescopiedmanyoftheirways.OneCherokeenamedSequoyahsawhowimportantreadingandwritingwastothewhiteman.HedecidedtoinventawaytowritedownthespokenCherokeelanguage.Hebeganbymakingwordpictures.Foreachwordhedrewapicture.Butthatprovedimpossible—therewerejusttoomanywords.Thenhetookthe85soundsthatmadeupthelanguage.UsinghisownimaginationandanEnglishspellingbookSequoyahinventedasignforeachsound.Hisalphabetprovedamazinglyeasytolearn.BeforelongmanyCherokeesknewhowtoreadandwriteintheirownlanguage.By1828theywereevenprintingtheirownnewspaper.In1830theUSCongresspassedalaw.ItallowedthegovernmenttoremoveIndiansfromtheirlands.TheCherokeesrefusedtogo.Theyhadlivedontheirlandsforcenturies.Itbelongedtothem.WhyshouldtheygotoastrangelandfarbeyondtheMississippiRiverThearmywassenttodrivetheCherokeesout.Soldierssurroundedtheirvillagesandmarchedthematgunpointintothewesternterritory.Thesicktheoldandthesmallchildrenwentincartsalongwiththeirbelongings.Therestofthepeoplemarchedonfootorrodeonhorseback.ItwasNovemberyetmanyofthemstillworetheirsummerclothes.ColdandhungrytheCherokeeswerequicklyexhaustedbythehardshipsofthejourney.Manydroppeddeadandwereburiedbytheroadside.WhenthelastgrouparrivedintheirnewhomeinMarch1839morethan4000haddied.Itwasindeedamarchofdeath.TheCherokeeNationusedtolive______.
TheColdPlacesTheArcticisapolarregion.ItsurroundstheNorthPole.LikeAntarcticatheArcticisalandoficeandsnow.Antarcticaholdstherecordforalowtemperaturereading—125Fahrenheitbelowzero.Readingsof85degreesbelowzeroarecommoninboththeArcticandAntarctica.Wintertemperaturesaverage30degreesbelowzerointheArctic.AttheSouthPolethewinterisabout73degreesbelowzero.OnethingalonemakesitalmostimpossibleformentoJiveinAntarcticaandinpartsoftheArctic.Thisonethingisthelowtemperature—thekillingchiliofthefarNorthandthepolarSouth.Tosurvivemenmustwearthewarmestpossibleclothing.Theymustbuildwindproofshelters.Theymustkeepheatersgoingatalltimes.Notevenformomentcantheybeunprotectedagainstthebelow-zerotemperature.Menhaveawayofprovidingforthemselves.Polarexplorerswrapthemselvesinwarmcoatsandfurs.Thecoldmakeslifedifficult.Buttheexplorerscanstayalive.WhataboutanimalsCantheysurviveDowefindplantsDowefindlifeintheArcticandtheAntarcticaYeswedo.Thereislifeintheoceans.Thereislifeonland.Antarcticaaswehaveseenisacoldplaceindeed.Butthishasnotalwaysbeenthecase.ExpeditionscientistshavediscoveredthatAntarcticamayhavebeenmuchlikeourown.ExploreshavediscoveredcoalinAntarctica.ThisleadsthemtobelievethatAntarcticaatonetimewasalandofswampsandforests.Heatandmoisturemusthavekeptthetreesintheforestsalive.TheArcticandAntarcticaarenoman’slandsbecauseoftheirnotoriouscoldness.
ThereisalwaysexcitementattheOlympicGameswhenanathletebreaksapreviousrecordofperformance.
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