外研版英语必修四课文翻译Rockets
外研版英语必修四课文翻译Rockets
外研版英语必修四课文翻译Rockets
外研版英语必修四课文翻译Rockets
这是原文,译文见附件.因为我的汉语译文无法提交.
Rockets
Todayrocketsareveryadvancedmachineswhichwecanusetosendastronautsintospace.Theyarealsousedinfireworkdisplaystocelebrategreatevents,suchastheendoftheOlympicGamesorthebeginningofthenewmillenniumintheyear2000.
Rocketswereprobablyinventedbyaccidentabout2,000yearsago.TheChinesehadaformofgunpowderwhichwasputinbambootubesandthrownintofirestomakeexplosionsduringfestivals.Perhapssomeofthetubesjumpedoutofthefireinsteadofexplodinginit.TheChinesediscoveredthatthegasescapingfromthetubecouldliftitintotheair.Theideaoftherocketwasborn.
Thefirstmilitaryuseofrocketswasin1232.TheSongDynastywasatwarwiththeMongols.DuringthebattleofKaifeng,theSongarmyshot"arrowsofflyingfire".Thetubeswereattachedtoalongstickwhichhelpedkeeptherocketmovinginastraightdirection.SoontheMongolslearnedhowtomakerocketsthemselvesanditispossiblethattheyintroducedthemtoEurope.Betweenthe13thand15thcenturiesthereweremanyrocketexperimentsinEngland,FranceandItaly.Theywereusedformilitarypurposes.OneItalianscientisteveninventedarocketwhichcouldtraveloverthesurfaceofwaterandhitanenemyship.
Butnoteverybodywantedtouserocketsinbattles.WanHu,aChinesegovernmentofficial,inventedaflyingchair.Heattachedtwobigkitestothechair,and47rocketstothekites.Therocketswerelit,therewasahugeexplosionandcloudsofthicksmoke.WhenthesmokeclearedWanHuandhischairhaddisappeared.Nooneknowswhathappened.DidWanHudieintheexplosion?Orwashecarriedmilesintospace,becomingtheworld'sfirstastronaut?