ThehumanpopulationofSriLankaisnowbelievedtobeover20million．Asaresult，largeareasoftreesarebeingturnedintofarmland，highwaysarebeingbuiltovercenturies-oldelephantmigrationroutes，andelephantsarebeingdrivenoutoftheirhabitats．Thischangecausesturmoil，resultinginanincreasednumberofuncontrollableeventsbetweenelephantsandhumans．

ThegoodnewsisthatthereisoneplacecalledtheElephantTransitHome （ETH） inUdawalaweNationalPark，themainpurposeofwhichistoprotectandcareforbabyelephantsthatarefoundinjuredorlivingwithouttheirmothersinthewild．AdayattheETHbeginsearlyinthemorningwhenthebabyelephantsaregiventheirfirstfeedingofmilk．Duringthecourseoftheday，eachbabywilldrinkanaverageof13gallonsofmilk．Olderelephantsarefedmostlycoconutleavesaswellasothernativeplants．Thentheelephantsaresetfreetowanderinthepark，eatinggrowinggrassandformingaherd．

TheETHspendsalmost $125，000eachyearonpoweredmilkforthesebabyanimals．Tohelppayforfoodandmedicalsupplies，theETHhasafoster（领养）parentprogram．Anyone，evenschoolchildren，canhelpalotbygivingmoneytocareforababyelephant．WhilesomefosterparentsaretoofarawaytovisitthebabyelephantbeingcaredforattheETH，localschoolchildrenplayanimportantpartintheprogram．Fosterparentscannametheirelephants，takephotographsofthem，andevenhelpsendthembackintothewild．

Nowvisitorsarenotencouragedtogetclosetotheelephants．ThegoaloftheETHisfortheelephantstoreturntothewildintheend．Itusuallytakesthreeyearsforababyelephanttobesentbackintoitsnaturalhabitat．Theelephantsareoftensetfreetogetherwithotheranimalswithwhomtheyhavecloserelationships．Thisprogramhelpsthemreturntothewildasmembersofaherdthatwillcommunicatewitheachotherandtakecareofeachother．

28．WhatdoestheunderlinedwordinParagraph1probablymean？___

A．Aconditionofharmony．

B．Aphenomenonofpollution．

C．Astateofdisorder．

D．Afeelingofconfusion．

29．Accordingtothepassage，theelephantsattheETH___．

A．aretakencareofbydifferentmeans

B．don'tgetalongwellwithotheranim