蔬菜加工、贮藏安全质量控制可行性报告

蔬菜加工、贮藏安全质量控制可行性报告

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时间:2017-12-12

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1、Englishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itw

2、ouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoac

3、hildren'shospital.DressedupasFatherChristmasandaccompaniedbya'guardofhonour'ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheo

4、ughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused.'Jumbomustweighafewtons,'saidapolicemanafte

5、rwards,'soitwasfortunatethatwedidn'thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime.'   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitoffthegr

6、ound.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecras

7、hedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay

8、,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoe

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