中学生科普英语趣味阅读低年级阅读材料docWord格式文档下载.docx
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狮子是唯一雌雄两态和群居的猫科动物,生活于开阔的草原疏林地区或半荒漠地带。
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Warm-up
HaveyoueverseenthemovieTheLionKing?
Doyouknowhowlionsliveinthewildin
reality?
Bigquestiontothinkaboutwhileyouread
Howdoestherearingoflioncubsgoaccordingtothetext?
ContentVocabulary
1.rearingn.theprocessofhelpingsomeonegrowuptobeanacceptedmemberofthecommunity抚养
2.littern.agroupofanimalsborntothesamemotheratthesametime一窝(动物的幼崽)
3.cheetahn.awildanimalthatlookslikealargecatwithblackspotsonitsbody猎豹
4.leopardn.alargefelinelivinginAfricanandAsianforests,usuallyhavingatawnycoatwithblackspots豹
5.hyenan.awildanimallikeadogandeatsthemeatofanimalsthatarealreadydead鬣狗
6.mortalityn.thenumberofdeathsinaparticularplace死亡
Theprideishighlystructuredwhenitcomestorearingthecubs.Malesareextremelyprotectiveoftheirmateswhiletheyarebreeding.Attheendoftheapproximately105-daygestationperiod,thelionessleavesthepridetogotoasheltered,isolatedareatogivebirthtoitslitteroftwotofivecubs.Cubsarebornblind.Theyweigh1.5to2kilograms,andtheyhaveasoft,woollygrayish-yellow-browncoat.Thelionessrarelyleaveshercubs.Whenshedoes,eithertohuntordrink,sheriskslosingthemtopredators,suchascheetahs,leopards,jackals,orhyenas.
Atfirst,thecubswillstayclosetotheirmotherastheyexploretheirsurroundings.Malecubmortalityishighbecausemalesaremoreactiveandmorelikelytoleavetheirprotectedshelter.
Cubsaccompanytheirmotheronhuntingexpeditionswhentheyarethreetofourmonthsold.
Cubswillnotbeabletokilltheirownpreyuntiltheyareabouttwoyearsold.Throughearlyplayexperiences,thecubslearnhowtohunt,crash,leap,andkilltheirprey.
Adolescentmalestendtoremainnearthepride'
sterritoryatfirstandthengooffontheirown.Theywilltryandjoinanotherpride.Malelionsdisplayexcellentteamworkwhenthreatenedbyanothermalewantingtodominatethepride.Thetypicaldurationforwhichastronggroupofmalesisabletodefendtheirprideistwotothreeyears,duringwhichtimetheyfatheralloftheoffspring.(256words)
Reflectionquestionsonwhatyouread
1.Whydoesthelionessrarelyleaveitscubs?
2.Whatcontributestothehighmortalityofmalecubs?
3.Howlongwillittakebeforecubsareabletokilltheirownprey?
Howaretheyabletodoso?
4.InthemovieTheLionKing,Simbafinallybecamethemightyking.Canyouexplainwhywouldadolescentmalesliketodefendtheirprideaccordingtothetext?
Leopards
豹在四种大型猫科动物(其余三种为狮、虎、美洲豹)中体积最小,颜色最鲜艳。
奔跑速度快,可以说是敏捷的猎手。
Haveyoueverseenaleopardinthezoo?
Doyouknowhowitlookslike?
Howdoestheleopardliveinthewild?
1.wildn.anaturalenvironmentnotcontrolledbypeople自然环境
2.pantheran.aleopardintheblackcolorphase黑豹
3.spotn.asmall,round,coloredareaonasurface斑点
4.rosetten.adecorationordesignthatlooksratherlikearose玫瑰花环
5.stalkv.tomoveslowlyandquietlytowardsananimalinordertocatchorkillit偷偷接近(猎物)
6.agileadj.movingquicklyandlightly敏捷的
7.matingn.theactofpairingamaleandfemaleforreproductivepurposes交配
Theleopardisscatteredoverawiderareatodaythananyoftheotherbigcats.ItlivesacrossmostoftheAfricancontinent(withtheexceptionoftheSaharaDesert),inpartsofAsia,fromtheMiddleEasttoIndia,Pakistan,China,Siberia,andontheislandsofJavaandSriLanka.Theleopardmaybethemostdifficultbigcattofindinthewildbecauseleopardsspendmuchoftheirtimeintrees.Leopardsusuallyliveontheirown.
Leopardsarefromabout1.3to1.9meterslong,andtheyweighfromabout30to80kilograms.TheirscientificnameisPantherpardus.
Evenontheground,leopards'
spottedcoatsofgoldenbrownwithblackringspotshelpthemtobecomeinvisible.Jaguarsandleopardshavethesamedarkrosettesontheirfur,butleopardsdonothavespotswithintherosettes.Jaguarfurhasspotsintherosettes.
Theleopardisprobablythesmartesthunterofallcats.Atnight,itmovessilentlyandstalksitspreybycrawlingwithitsstomachlowtotheground,oritmaywaitinatreeandjumponpreythatcomesnearthetree.Theagileanimalevenhuntsformonkeysintrees.Huntingandlivingalone,theleopardsurvivesinmanyplacesbecauseiteatsalmostanything.
Theleopardwillkillgazelles,wildpigs,andbirds.Itcandragpreymorethantwiceitssizeformanykilometersandthenpullitupatreetokeepotheranimalsfromgettingitsfood.Theabilitytodragitspreyallowstheleopardtohuntlessfrequentlythanothercatswhosharethesamehabitat,suchasthecheetahs.
Leopardshavenospecificbreedingseason,buttendtomateinJanuaryandFebruary.Aftermating,thepairseparates,withthefemalelefttocareforitscubs.Leopardstendtohavetwocubsafteragestationperiodbetween90to105days.Cubsarebornblindandweighfrom750gramsto1kilogram.Theybegintofeedontheirownatabout3monthswhentheystarttoaccompanytheirmotheronhuntingtrips.Themotherleopard'
swhitishtailishelduprightduringtherearingofthecubs.Thiserecttailapparentlyprovidesthecubswithavisiblemarkerthathelpsthemfollowherthroughthetallgrassesandshrubs.Thecubsremainwiththeirmotherfor18to24months,andthentheyleavetoestablishterritoriesoftheirown.(415words)
1.Whereontheearthcanwefindleopards?
Whydoyouthinktheyhavesuchawidedistributionaccordingtothewholetext?
2.What'
sthedifferencebetweenjaguarsandleopardsinappearance?
3.Whydoleopardshuntlessfrequentlythanothercatswhosharethesamehabitat,suchasthecheetahs?
4.Whatcanyoutellwhenthemotherleopard'
swhitishtailishelduprightduringtherearingofitscubs?
Jaguars
美洲豹是美洲大陆上最大的猫科动物之一,仅次于老虎狮子,性情凶猛,喜欢栖息于树木茂密的热带雨林。
TowhichanimalinthecatfamilydoesthescientificnamePantheraoncarefer?
WhatdoyouthinkisthelargestcatontheAmericancontinent?
Howdojaguarsliveinthewild?
1.tropicaladj.comingfromorexistinginthehottestpartsoftheworld热带的
2.pouncev.tojumponsomethingandholdit,inordertokillit猛扑
3.markingn.apatternofmarks记号
4.captivityn.thestateofbeingimprisoned囚禁
Longbeforemoderntimes,thejaguarwasworshippedasthegodofthenight.Inancientcivilizations,peoplebelievedthatthespotsonitscoatrepresentedthestarsinthesky.JaguarsarefoundinMexico,CentralAmerica,andSouthAmerica.Theyare1to2meterslongandmayweighbetween28to90kilograms(femalesaresmaller).TheirscientificnameisPantheraonca.
Jaguarshaveabeautifulgoldenbrown-yellowishcoatwithblackringswithonetofourdarkspotsinthecenterofeachring.Theringsarecalledrosettes.Jaguarshavewhitishfurontheirthroatandstomach.
Theprimaryhabitatsofthejaguararedensetropicalrainforestsandswampygrasslands.Jaguarsprefertolivenearfreshwaterwheretheycancatchfish,turtles,andsmallalligatorscalledcaimans.
Jaguarsarestrong,excellentswimmers.Theyhuntawidevarietyofcreaturesbigorsmall.Inadditiontothefreshwateranimalsjustmentioned,theyalsohuntdeer,wildpigs,tapirs,birds,andevenmice.Theyareslowerthantigersandmanyothercatsashunters,andtheyprefertostalkandpounceonpreyratherthanrunafterit.
Afterkillingitsprey,ajaguarmaydragitsbodytoasecludedspot,usuallyhighinatreebeforeeatingit.Mostcatskillwithbitestothethroatorneckofitsprey,butajaguar'
sbiteissostrongitcanactuallycrushthehardskullofitsprey,causinginstantdeath.Ajaguar'
sname,"
yagurara,"
wasgiventoitbySouthAmericanIndians,anditmeans"
abeastthatkillsitspreywithoneleap."
Jaguarshuntdayornight.Ifseen,theyaremostlikelytobeonahuman-madetrail,whichtheypreferformovingaround.Jaguarshuntandlivealone,exceptwhenbreeding.Likemanyothercats,theymarktheirterritorywiththeirscent.Reproductionmaytakeplaceanytimeduringtheyear.Aseriesofroarsandurinaryscentmarkings3helpmaleslocatefemales.Thegestationperiodofajaguarisbetween95to105days.Jaguarlittersareusuallybetweenoneandfourcubs.Cubsarebornblind.Eachweighs1to1.5kilograms.
Thecubsgenerallyremaininthedenwheretheywerebornforaboutsixmonths.Thecubshaveawoollycoatwithspotsmuchliketheirmother'
s.Atthreemonths,thecubsbegintoaccompanytheirmotheron.hunts.Theyremainwithheruptotwoyearsandthenleavetoestablishterritoriesoftheirown.Ajaguarmaylive15to20yearsinthewildandupto22yearsincaptivity.
Animportantroleofthejaguaristoeliminateweakandsickmembersofotherspecies.Predatorssuchasjaguarspreventotherspeciesfrombecomingtoonumerousandoverpopulatingareas.However,jaguarsthemselves,likeotherbigcats,arebecomingendangeredashabitatsarelost.(479words)
1.Whywasthejaguarworshippedasthegodofthenightinancienttimes?
2.Whichplacedojaguarsprefertochooseastheirhabitats?
3.Jaguarsweregivenaname"
yagurara"
bySouthAmericanIndians,meaning"
abeastthatkillsitspreywithoneleap"
.