养猪养殖可行性研究报告

养猪养殖可行性研究报告

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时间:2017-09-20

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

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

3、tstoachildren'shospital.DressedupasFatherChristmasandaccompaniedbya'guardofhonour'ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandt

4、oldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused.'Jumbomustweighafewtons,'saidap

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

6、togetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclisti

7、n1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyover

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

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