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1、groundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowq
2、uickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackened
3、soil. Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey'sclosestfriendsaskedhimtomakeaspeechataweddingreception.Thisis
4、thesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked
5、.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn't.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim! Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemi
6、letunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedt
7、hatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterest
8、inthe
