阅读理解1.Thereisavitalneedfornationalparks.Wemusthavethemasplaceswhereplantsandanimalscanbepreservedinthenaturalstateforalltime.Andweneedparksasaretreat(休养所)fromthecrowdedbustlinglifeofcities.Ourrecordforconservation(自然资源保护)ispoor.HalfoftheanimalspeciesexistingatthetimeofCaptainCook'sarrivalarenowextinct（灭绝）.Australiahaswildlife(野生生物)thatisnotfoundinthenativestateinanyotherpartoftheworld.Thiswildlifeisthereforeofparticularscientificvalue.InNewSouthWales,theNationalParksandWildlifeServiceisresponsibleforthecareofoutnativeplantsandanimalsintheirnaturalenvironment.Oneoftheaimsofthisserviceistoeducatepeopleintheneedforconservation.Theservicealsoprovidesfacilitiesforrecreation(娱乐)inparksandwildernessareasthroughoutthestate.AUNESCO(联合国教科文组织)studystatedthatacountryshouldstrivetoretain5percentofitslandasnationalparks.Australiaatpresentisbelowthisfigurebutthereisacommunityawarenessoftheneedtoincreaseitandnewareasarebeingproclaimedalmostannually.Intheyearstocome,ournationalparkswillbeoneofourmostvaluableassets.Asourpopulationgrowsandourcitiesbecomemorecrowded，parkswillbecomevitalasretreatsfromthepressuresofmodernurbanizedliving.1.Judgingfromthepassage，whenCaptainCookfirstarrivedinAustralia，________.2.Inthelastlineofthesecondparagraph，"thestate"refersto________.3.Accordingtothepassage，allthefollowingstatementsaretrueexcept________.4.Theword"retain"inthethirdparagraphisclosestinmeaningto________.5.Accordingtothepassage，nationalparksinAustraliaareimportantfor________.1.A.AustraliabeganitshistoricalrecordB.conservationinAustraliaasalreadypoorC.therewerenotsomanyanimalspeciesasnowD.thereweretwiceasmanyanimalspeciesasnow2.A.AustraliaB.thenativestateC.NewSouthWalesD.theNationalParksandWildlifeService3.A.AllofAustralia'swildlifecanbefoundinotherpartsoftheworldB.ItisthejoboftheNationalParksandWildlifeServicetolookafterthenativeplantsandanimals.C.NowAustraliahaslessthan5percentofitslandasnationalparks.