题目内容：
根据以下材料，回答题
Hurricanes(龙卷风)
1.Didyouknowthatbefore1950,hurricaneshadnonames?Theyweresimplygivennumbers.ThefirstnamesweresimplyAlpha,Bravo,Charlie,etc..butin1953,females'namesweregivenbecauseoftheunpredictability(不可预知)factorofthestorms.In1979,realizingthesexist(性别歧视的)natureofsuchnames,thelistswereexpandedtoincludebothmenandwomen.
2.Hurricanesandtyphoons(台风)arethesamethings.IftheyformintheAtlantic,wecallthesestrongstormshurricanes,fromtheWestIndianwordhurricane,meaning"bigwind".AndiftheyarePacificstorms,theyarecalledtyphoonsfromtheChinesetaifeng,meaning"greatwind".Tobeclassifiedasahurricane,thestormmusthavemaximumwindsofatleast75mph.Thesestormsarebig,manyhundredsofmilesindiameter.
3.Hurricanesgettheirpowerfromwatervaporasitgivesoutitsstored-upenergy.Allwatervaporgivesoutheatasitcondenses(凝结)fromagaseousstatetoaliquidstateoverfixedpointsontheequator(赤道).Tomakeahurricane,youmusthaveextremelywet,warmair,thekindofairthatcanonlybefoundintropicalregion.
4.Scientistshavedeterminedthattheheatgivenoutintheprocessofwatercondensationcanbeashighas95billionkilowattsperhour.Injustonedayalone,thestormcanproducemoreenergythanmanyindustrializednationsneedinanentireyear!Theproblemisthatwedon'tknowhowtomakesuchgreatenergyworkforus.
5.Predictingthepathofahurricaneisoneofthemostdifficulttasksforforecasters.Itmovesatatypicalspeedof15mph.Butnotalways.Somestormsmayraceattwicethisspeed,thensuddenlystopandremaininthesamelocationforseveraldays.Itcanbemaddening(发疯的)ifyouliveinacoastalareathatmaybehit.
6.Thebiggestadvanceinearlydetectioniscontinuouswatchfromweathersatellites.Withthese,wecanseethestormsformandtrackthemfully,frombirthtodeath.Whiletheycanstillkillpeopleanddestroyproperty,hurricaneswillneversurpriseanynationagain.
Paragraph1__________ A．Shorthistoryofnaminghurricanes
B．Harnessingthehurricaneenergy
C．Difficultyinforecastingthecourseofahurricane
D．Hugeenergystoredinahurricane
E．Forecastingahurricanethroughsatellitewatching
F．Differentnamesforthesamethings
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