新概念英语第三册lesson-1-A-Puma-at-large

Lesson1APumaatlargeWheremustthepumahavecomefrom?Pumasarelarge,cat-likeanimalswhicharefoundinAmerica.WhenreportscameintoLondonZoothatawildpumahadbeenspottedforty-fivemilessouthofLondon,theywerenottakenseriously.However,astheevidencebegantoaccumulate,expertsfromtheZoofeltobligedtoinvestigate,forthedescriptionsgivenbypeoplewhoclaimedtohaveseenthepumawereextraordinarilysimilar.Thehuntforthepumabeganinasmallvillagewhereawomanpickingblackberriessaw'alargecat'onlyfiveyardsawayfromher.Itimmediatelyranawaywhenshesawit,andexpertsconfirmedthatapumawillnotattackahumanbeingunlessitiscornered.Thesearchproveddifficult,forthepumawasoftenobservedatoneplaceinthemorningandatanotherplacetwentymilesawayintheevening.Whereveritwent,itleftbehinditatrailofdeaddeerandsmallanimalslikerabbits.Pawprintswereseeninanumberofplacesandpumafurwasfoundclingingtobushes.Severalpeoplecomplainedof"cat-likenoises'atnightandabusinessmanonafishingtripsawthepumaupatree.Theexpertswerenowfullyconvincedthattheanimalwasapuma,butwherehaditcomefrom?Asnopumashadbeenreportedmissingfromanyzoointhecountry,thisonemusthavebeeninthepossessionofaprivatecollectorandsomehowmanagedtoescape.Thehuntwentonforseveralweeks,butthepumawasnotcaught.Itisdisturbingtothinkthatadangerouswildanimalisstillatlargeinthequietcountryside.Newwordsandexpressions生词和短语puma(title)/'pju:m+/n.美洲狮corner(1.9)/'k&:n+/v.使走投无路，使陷入困境spot(1.2)/sp&t/v.看出，发现trail(1.11)/'treil/n.一串，一系列evidence(1.4)/'evid+ns/n．证据print(1.12)/print/n.印痕accumulate(1.4)/e'kju:mjuleit/v.积累，积聚cling(1.12)/kliR/(clung/kl)R/,clung)v.粘oblige(1.5)/+'blaid{/v.使……感到必须convince(1.14)/k+n'vins/v.使……信服hunt(1.7)/h)nt/n.追猎；寻找somehow(1.16)/'s)mha(/adv.不知怎么搞地，不blackberry(1.8)/'bl$kb+ri/n.黑莓知什么原因humanbeing(1.9)/?hju:m+n-'bi:iR/人类disturb(1.17)/di'st*:b/v.令人不安Notesonthetext课文注释1atlarge是介词短语，此处表示“逍遥自在”、“行动自由”的意思。2WhenreportscameintoLondonZoothatawildpumahadbeenspottedforty-fivemilessouthofLondon,当伦敦动物园接到报告说，在伦敦以南45英里的地方发现一头野生美洲狮时。这个从句中以that引导的从句是reports的同位语，用于进一步说明报告的内容。3feelobligedtodosth.是“感到不得不做某事”的意思。4itleftbehinditatrailof,它身后留下一串……。atrailof作left的宾语，behindit是状语，提到宾语之前是为了使句子结构更紧凑。5pumafurwasfoundclingingtobushes中，clinging是现在分词，此处作主语pumafur的主语补足语。下文中Asnopumashadbeenreportedmissing…一句中，missing也是现在分词作主语补足语。6inthepossessionof,为……所有。Summarywriting摘要写作Innotmorethan80wordsdescribehowexpertscametotheconclusionthattheanimalseenbymanypeoplereallywasapuma.Donotincludeanythingthatisnotinthepassage.Answerthesequestionsinnoteformtogetyourpoints:1WhatsortofreportswerereceivedbyLondonZoo?2Werethereportssimilarinnatureornot?3Whosawitfirst?4Diditstayinoneplace,ordiditmovefromplacetoplace?5Whatdiditleavebehindit?6Werepawprintsandpumafurfoundaswellornot?7Whatwasheardatnight?8Wastheanimalseenupatreeornot?9Wereexpertsnowsurethattheanimalreallywasapumaornot?Exercises练习Choosethecorrectanswerstothefollowingquestions.Comprehension理解1Expertseventuallydecidedtoinvestigate______.a．becausetheydidnotbelievethatpumasexistedinEnglandb．becausetheywantedapumafortheLondonZooc．whenawomansawapumainasmallvillaged．becausepeople'sdescriptionsofthepumahadalotincommon2Whatparticularpieceofevidencepersuadedtheexpertsthatapumahadbeenseeninthevillage?a．Thepumahadnotattackedthewoman.b．Thewomanhaddescribedtheanimalshehadseenas‘alargecat’.c．Apumahadcomeveryclosetoahumanbeing.d．Thepumahadbehavedlikeacat.3Whatwastheproblemtheexpertswereunabletosolve?a．Howthepumahadmanagedtocoversuchgreatdistanceswithinaday.b．Howthepumahadescapedfromazoo.c．Whomthepumahadbelongedto.d．Howthenumahadclimbedatree.Structure结构4Theaccumulatingevidencemadetheexperts______theanimalwasapuma.(lines4-6)a．tothinkb．thinkingc．thinkd．thought5Peoplesaid______thepuma.(lines5-6)a．tohaveseenb．toseec．theysawd．theyhadseen6______,itimmediatelyranaway.(lines8-9)a．Observingherb．Onbeingobservedc．Havingbeenobservedd．Onherbeingobserved7Pumasneverattackahumanbeingexcept______cornered.(line9)a．theyareb．beingc．thattheyared．whentheyare8Theexpertswerenowfullyconvincedthattheanimal______apuma.(lines13-14)a．mustbeb．shouldhavebeenc．canonlybed．couldonlyhavebeenVocabulary词汇9Thewomansaw‘alargecat’______fiveyardsawayfromher.(lines7-8)a．atleastb．fourorc．nomorethand．within10Apumawillnotattackahumanbeingunlessitfeelsitselftobe______.(line9)a．inacornerb．inatrapc．atanangled．undercover11Abusinessmanonafish