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1、Goodmorning,Ladiesandgentlemen.WelcometoChengduResearchBaseofGiantPandaBreeding.Youknow,Thebaseisthebestdestinationtoknowthegiantpandas.Herewecancloselyobservepandas,howtheyrest,eatandplaywitheachother,also,wecanlearnhowtofeedthem,evenwecanwatchfemalepandasnursingtheircubs.Andmoreimportantly,weca
2、nfurtherourunderstandingofhowtoprotectthesebeautifulbutendangeredcreatures.Ladiesandgentlemen,nowweareattheAdultPandaEnclosure.Look,therearetwogiantpandasjustcomingoutfromtheirhouse.ThebiggeroneisHuanhuan,amalepanda.AndthesmalleroneisXixi,afemalepanda.Bothofthemare4yearsold.Youknowweareveryluckyt
3、oday,becauseusuallyatthistimetheywerestillinbed.Nowtheyarewalkingtowardsthefreshbamboo,itseemsthattheyaregoingtohavetheirbreakfast.Nowwhilewewatchthemeat,letmeintroducetheireatinghabittoyou.Weallknowthatgiantpandasarefamousfortheirloveofbamboo.Butdoyouknowhowmuchbambooagiantpandaeatsaday?5kg,8,10
4、?Actually,foranadultpanda,iteatsabout17kgofbamboostemsadayor14kgofbambooleaves,orabout40kgofbambooshoots.That’squiteahugeamount,right?Sogiantpandasalmostspend12-16hourseatingbambooeachday.Andnowyoumayaskwhytheyneedtoeatsomuchbamboo?That’sbecausebamboohasverylittlenutritionalvalue,sopandasmusteata
5、lottomeettheirenergyneeds.Besides,toreducetheirenergyconsumption,pandasspendabout10hoursonsleepingeveryday.That’swhythetimeleftforthemtoplayisverylittle.Everybody,herecomesaconfusingquestion,aregiantpandasherbivores?No,therearenotherbivores.Althoughtheydependsomuchonbambooandonlyabout1%oftheirdie
6、tismadeupofotherfoods.,Giantpandasaremembersofthebearfamily;theyhavethesamedigestivestructureofcarnivores.Insomeways,theyareanomaliesofevolution.Theyaredescendedfrommeat-lovingcarnivores.Inotherwords,theirdigestivetractisbuilttobreakdownmeatandisinadequatetobreakdownbamboo.Sopandascanonlygetsmall
7、amountofnutritionfrombamboo.That’sanotherreasonwhygiantpandashavetoeatlotsofbamboo.Thefactisstartling,right?Pandasstilleatmeatoccasionallywhenit’savailable.Butmaybebecausebambooiseasytogetyear-roundsoevolutionfavoredpa