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1、Unit4WildlifeprotectionⅠ.阅读理解(2016·沈阳第一次质量监测)In2013aloneatleast20,000Africanelephantswerekilledfortheirteeth.InSouthAfricaoverthelasttwoyearsmorethan2,200rhinoswerekilledfortheirhorns.Thesenumbersarealarming,becausecurrentratesofillegalhuntingarefasterthanbirthrates,whichcouldleadtoextinctiono
2、ftheseecologicallyimportantcreaturesintheenvironment.Indeed,someelephantandrhinopopulationsareontracktobelocallyextinctwithinthenextdecade.Ifyouarereadingthis,youmayalreadybeawareofthesefacts.Butyoumightnotknowthatwildlifetrafficking(非法交易)notonlythreatenstheexistenceofelephantsandrhinosbutisal
3、soleadingtoextinctionofotherspecies,suchastigers,tortoises,seaturtles,andtheworld’smosttraffickedmammal(哺乳动物)—pangolins.Pangolinsaretheonlymammalsthatareentirelycoveredintoughscales(鳞),whichmakesthemlookverystrong.Butactuallytheyareendangeredmammals.Thereareeightdifferentspeciesofpangolins,fou
4、rinAsiaandfourinAfrica,andallarethreatenedwithextinction.Althoughpangolinsareprotectedthroughoutmostofthecountrieswheretheylive,highdemandinEastAsia,wherethedeliciouspangolinmeatisconsideredadelicacyandwheretheirscalesareusedintraditionalmedicines,isdrivinganillegaltradeinbothliveanimalsandpan
5、golinparts.Thenumberofpangolintraffickingisshocking.Expertsbelievethatoverthelast10yearsmorethan1millionpangolinsweretakenfromthewild.Itisestimatedthatbetween40,000and81,250pangolinswerekilledfortheillegaltradein2013alone.InFebruary,theUnitedStatesreleasedaplantodealwithwildlifetrafficking,whi
6、chlaysoutthestepswewilltaketofighttheillegaltradeinwildlife,includingpangolins.Wearestrengtheningthecarryingoutoftheplan;buildinginternationalcooperationandcontributiontoprotectwildlife;raisingawarenesstodrivedownthedemandthatisfuellingtheillegaltrade.GetinvolvedandrememberWorldWildlifeDay(Mar
7、ch3)byspreadingtheplan.Usesocialmediaandtelleveryonethatnowitistimetogetseriousaboutwildlifecrimeandendthedemandthatthreatensspecies,bigandsmall,fromthehugeelephanttotheshypangolin.1.Howmanyendangeredcreaturesarementionedinthepassage?A.
