Everyyearwildfires(野火)destroymuchforestland.Homesarebrokendownandthousandsofpeopledie.Smokejumpersarehelpingtostopthis.Smokejumpersareaspecialkindoffirefighters.Theyjumpfromplanesintoareasthataredifficultt
Everyyearwildfires(野火)destroymuchforestland.Homesarebrokendownandthousandsofpeopledie.Smokejumpersarehelpingtostopthis.Smokejumpersareaspecialkindoffirefighters.TheyjumpfromplanesintoareasthataredifficulttoreachbycaroronfootTheytrytoputoutfiresasfastastheycan.
Atafiresitesmokejumpersfirstexaminethelandanddecidehowtofightthefire.Theirmaingoalistostopfirefromspreadingusingbasictoolssuchasshovelsandaxes.Smokejumpersclearlandofburnablemateriallikeplantsandotherdrymaterial.Theycarrywaterwiththemtoobutnotmuch.
Althoughmostsmokejumpersaremenmorewomenarejoining.Mostimportantareyourweightandheight.SmokejumpersintheU.S.forexamplemustbe54to91kilogramssotheydon'tgethurtwhentheylandorgetblownbystrongwinds.
Smokejumpersmustbeabletoliveinthewilderness.InRussiamanysmokejumpersknowhowtofindfoodintheforestandevenmakesimplefurniturefromtrees.
Theworkisdangerousandthehoursarelong.Butforthesefirefighterssmokejumperisn'tjustajob.Theylovebeingabletojumpoutofplanesfightfiresandliveintheforest.As28-year-oldRussiansmokejumperAlexTishinsays"Thisisthebestjobforthestrongandbrave."
根据短文内容回答下列问题。
51.Whataresmokejumpers?
52.Wheredotheyjumpfrom?
53.What'stheirmaingoal?
54.Whyshouldtheyhaveproperweight?
55.What'sneededtobeasmokejumper?