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【TheAtlanticOceanisoneoftheoceansthatseparatetheOldWorldfromtheNew.ForcenturiesitkepttheAmericafrombeingdiscoveredbythepeopleofEurope.ManywrongideasabouttheAtlanticmadeearlysailorsunwillingtosailfaroutin】
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更新时间:2024-04-28 02:55:15
问题描述:

TheAtlanticOceanisoneoftheoceansthatseparatetheOldWorldfromtheNew.ForcenturiesitkepttheAmericafrombeingdiscoveredbythepeopleofEurope.

ManywrongideasabouttheAtlanticmadeearlysailorsunwillingtosailfaroutintoit.Oneideawasthatitreachedoutto“theedgeoftheworld”.Sailorswereafraidthattheymightsailofftheearth.Anotherideawasthatattheequator(赤道)theoceanwouldbeboilinghot.

TheAtlanticOceanisonlyhalfasbigasthePacific,butitisstillverylarge.Itismorethan4,000miles(6,000km)widewhereColumbuscrossedit.Evenatitsnarrowestitisabout2,00miles(3,200km)wide.

TwothingsmaketheAtlanticOceanratherunusual.Forsolargeanoceanithasfewislands.Also,itistheworld’ssaltiestocean.

ThereissomuchwaterintheAtlanticthatitishardtoimaginehowmuchthereis.Butsupposenomorerainfellintoitandnomorewaterwasbroughttoitbyrivers,itwouldtaketheoceanaboutmorethan4,000yearstodryup.Ontheaverage,thewaterisalittlemorethantwomiles(3.2km)deep,butinsomeplacesitismuchdeeper.ThedeepestspotisnearPuertoRico.This“deep”measures30,246feet---almostsixmiles(9.6km).

OneofthelongestmountainrangesoftheworldrisesfromtheflooroftheAtlantic.Thismountainrangerunsnorthandsouthdownthemiddleoftheocean.Thetopsofafewofthemountainsreachupabovetheseaandmakeislands.

SeveralhundredmileseastwardfromFloridathereisapartoftheoceancalledtheSargassoSea.Herethewaterisquiet,forthereislittlewind.Inthedaysofsailingvessels(船)thecrewwereafraidtheywouldbebecalmed(can’tmove)here.Sometimestheywere.

TodaytheAtlanticisagreathighway.Itis,however,notalwaysasmoothandsafeone.Stormssweepacrossitandpileupgreatwaves.IcebergsfloatdownfromthefarNorthacrossthepathsofships.

Wenowhavesuchfastwaysoftravelingthatthisbigoceanseemstohavegrownsmaller.Columbussailedformorethantwomonthstocrossit.Afastmodernsteamshipcanmakethetripinlessthanfourdays.AirplanesflyfromNewYorktoLondoninonlyeighthoursandfromSouthAmericatoAfricainfour!

61.WhatcausedpeopletobeunwillingtoexploretheAtlantic?

A.TherewerenoshipsbigenoughtogetacrosstheOcean.

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