【Zoosdivideopinion：therearethosewhothinkitiscrueltokeepanimalslockedupwhileothersbelievezoosareessentialforthesurvivalofendangeredspecies.Toarguethatzoosimprisonanimalsistomisunderstandwhatzoosarea】
Zoosdivideopinion：therearethosewhothinkitiscrueltokeepanimalslockedupwhileothersbelievezoosareessentialforthesurvivalofendangeredspecies.
Toarguethatzoosimprisonanimalsistomisunderstandwhatzoosareabout.Withoutzoosmanyofthecreaturesweloveandadmirewouldnolongerexist.Everysingleday，overonehundredanimalspeciesvanish.Scientistspredictthatasearlyas2050onequarteroftheEarth’sspecieswillbecomeextinct.
Someanimalsareindangerbecausetheyarehunted.Alarminglythepopulationoftigershasalreadyfallenbyninety-fivepercent.Otherspeciesareindangerbecauseofalackoffood.Forexampletherearefewerthan1300giantpandasleftinthewild.
Zooshavespecialbreedingprogrammestohelpthoseanimalsatrisk.Thesebreedingprogrammesareprovingextremelysuccessful.AsIreneShapirofromZooandWildlifeSupportsays“thePuertoRicanParrothasgrowninnumbersfromjustthirteentoabouteighty-fiveandtheGoldenLionTamarinMonkeywhichhasalmostceasedtoexisttwentyyearsagohasbeenreintroducedbackintothewild.”
Unfortunatelynoteveryoneunderstandsthisimportantrolezoosplay.ForexampleBrianFeatherstonefromtheAnti-ZooForumsays“Ican’tbelievewetakeanimalsfromthewildandputthemincagesfortheentertainmentofthepublic!WeshouldviewthemonfilmorTVintheirnaturalenvironment.，’
Howeverthismissesthepoint.Azoodoesmorethandisplayanimalstothepublic.Itensurestheirsurvival.WithoutzoosyouwouldnotbeabletoseemanyoftheseanimalsonTVoranywhereelse!
1.What’sthewriter’sattitudetowardszoos?
A．Heshowsnoopinioneitherfororagainstthem.
B．Hethinksthattheyareunnecessaryandcruel.
C．Hebelievestheyplayanimportantenvironmentalrole.
D．Heexpressesadesirethatmoreofthembebuilt.
2.Theunderlinedword“vanish”inParagraph2mostprobablymeans_____.
A．remain B．disappear C．becomerarer D．getkilled
3.Accordingtothepassagetheworld’stigerpopulation_____.
A．willriseby5%nextyear B．isrelativelystable
C．is95%smallerthaninthepast D．