新概念英语第三册新概念英语第三册（共60课）Lesson1ApumaatlargePumasarelarge,cat-likeanimalswhicharefoundinAmerica.WhenreportscameintoLondonZoothatawildpumahadbeenspottedforty-fivemilessouthofLondon,theywerenottakenseriously.However,astheevidencebegantoaccumulate,expertsfromtheZoofeltobligedtoinvestigate,forthedescriptionsgivenbypeoplewhoclaimedtohaveseenthepumawereextraordinarilysimilar.Thehuntforthepumabeganinasmallvillagewhereawomanpickingblackberriessaw'alargecat'onlyfiveyardsawayfromher.Itimmediatelyranawaywhenshesawit,andexpertsconfirmedthatapumawillnotattackahumanbeingunlessitiscornered（adj.被困得走投无路的）.Thesearchproveddifficult,forthepumawasoftenobservedatoneplaceinthemorningandatanotherplacetwentymilesawayintheevening.Whereveritwent,itleftbehinditatrailofdeaddeerandsmallanimalslikerabbits.Pawprintswereseeninanumberofplacesandpumafurwasfoundclingingtobushes.Severalpeoplecomplainedof'cat-likenoises'atnightandabusinessmanonafishingtripsawthepumaupatree.Theexpertswerenowfullyconvincedthattheanimalwasapuma,butwherehaditcomefrom?Asnopumashadbeenreportedmissingfromanyzoointhecountry,thisonemusthavebeeninthepossessionofaprivatecollectorandsomehowmanagedtoescape.Thehuntwentonforseveralweeks,butthepumawasnotcaught.Itisdisturbingtothinkthatadangerouswildanimalisstillatlargeinthequietcountryside.美洲狮是一种体形似猫的大动物，产于美洲。当伦敦动物园接到报告说，在伦敦以南45英里处发现一只美洲狮时，这些报告并没有受到重视。可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，因为凡是声称见到过美洲狮的人们所描述的情况竟是出奇地相似。搜寻美洲狮的工作是从一座小村庄开始的。那里的一位妇女在采摘黑莓时的看见“一只大猫”，离她仅5码远，她刚看见它，它就立刻逃走了。专家证实，美洲狮非被逼得走投无路，是决不会伤人的。事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。无论它走哪儿，一路上总会留下一串死鹿及死兔子之类的小动物，在许多地方看见爪印，灌木丛中发现了粘在上面的美洲狮毛。有人抱怨说夜里听见“像猫一样的叫声”；一位商人去钓鱼，...