限时测试(15)专题特训(——阅读理解主旨大意)体裁：说明文话题：生态旅游时间：6分钟Ecotourismisacombinationofecology(thestudyofsystemsoflivingthings)andtourism.TheInternationalEcotourismSocietydefinesecotourismas“responsibletraveltonaturalareasthatconservestheenvironmentandimprovesthewell－beingofthelocalpeople.”Actually，ecotourismcanmeantraveltofar－offplacesofgreatnaturalbeauty，butnotalwaysinaresponsibleway.It'sbigbusiness，andtheattractionofmoneycancausepeopletothinkaboutprofitsfirst.Whileecotourismoffersbenefitsforpeopleandecosystems，itleavesecosystemsopentonegativeeffects，too.CostaRica，onceaSpanishcolony，andindependentsince1821，hasanecotourismindustryworthoveronebilliondollarsyearly，andthousandsofjobshavebeencreated.Nearly21percentofthelandisnowprotectednationalparks，largelythankstoecotourism.Nonetheless，duetothenumberofpeoplevisitingthecountry'snaturalplaces，somedamagetotheecosystemhasoccurred.Whiletouristscanhaveanegativeinfluenceonecosystems，thesameareasmighthavebeentotallydestroyedbyindustriessuchasfarming，logging，orminingweretherenoecotourismindustry.Instead，naturereserveshavebeencreated，keepingtheecosystemprotected.And，byvisitingbeautifulrainforestsandseeingrareanimals，visitorsgetasenseoftheirvalue，andofgratitudeforthem.Tourguidescanalsobeeducatorswhotrainpeopletoloveandcarefortheenvironment.Visitorscantaketheselessonswiththemtotheirhomecountries.Unfortunately，whiletheireffectmaynotbenoticeableintheoff－season，theconstantprocessionofvisitorsinthehighseasoncanbedamaging.AtonenationalparkinCostaRica，wildmonkeysnowfeedongarbageleftbythetourists.Furthermore，ecotouriststendtoseekoutplaceswiththerarestanimalsandplants，pressuringthemostdelicatelivingthings.Controllingrandomdevelopmentisn'teasy.Corruptioncanleadofficialstostandecologicaldamage.Forexample，alargeresortfacility，normallynotallowednearareserve，maybeallowedifthecompanypaysenoughmoneytocertainpeopleinthegovernment.Limitedresourcesareanotherissue.Areasofforestsandbeachesthatwouldrequireanarmytoprotectareoftenwatchedbyseveralemployees.Itiseasytobecriticaloftheecotourismindustrybutitisimportanttobepositiveaswell.Ecotourismcanneverbe“pure.”Wecan'texpectzeronegativeeffectsontheecosystem.Itisalsounrealistictothinkthathumanswon'tgoanywhereaccessibletothem.Ifprotectioneffortsaremaintainedandstrengthened，thoseremainingplacesofundisturbednaturemaybestressed，buttheywon'tbedestroyed.【语篇导读】本文是一篇说明文。本文讲述了生态旅游的定义和好处以及它所带来的负面效应。1．Themainpurposeofthepassageisto________．A．callforcreatingmoreecotourism－relatedjobsforpeopleB．introduceecotourismasawayofprotectingnaturalplacesC．argueagainstecotourismasadamagingtrendthatmustbestoppedD．stressthatecotourismbenefitsecosystemsonthewholedespiteitsdamage解析主旨大意题。文章既涉及到生态旅游所带来的巨大效益好处，也交代了它同时产生的一些负面效应，“从文章的最后一段butitisimportanttobepositiveaswell”可看出作者更强调前者。故选D。答案D2．WhichchangehasoccurredinCostaRicasincetheintroductionofecotourism?A．Nationalparkshavebeensetupthankstoecotourism.B．CostaRicabecameindependentfromSpain.C．Wildmonkeyssufferedalotfromfeedingongarbage.D．Manyareashavebeendestroyedbydevelopingecotourism.“解析细节理解题。从文章第二段Nearly21percentofthelandisnowprotectednationalparks，largelythankstoecotourism”得出答案为A。答案A3．...
