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2025深圳中考九年级英语阅读理解之说明文专题练习题
（2024·广东深圳·中考真题）Aftera10-yearprojecttocounttunaandotherlargefishintheworldsoceans,scientistshavemadeaverysurprisingdiscovery:thesefisharealmostgone.Becauseoftoomuchfishing,almost90percentoftheworldwidepopulationoflargefish—theonesweusuallyeat—hasdisappeared.Ifwedon’tact,theseanimalswilltotallydisappear.Thatwillinfluenceeveryanimalintheocean.
Thedemandforfishisgrowing.Almostabillionpeoplearoundtheworldgettheirprotein(蛋白质)mostlyfromfish.Doctorspraiseseafoodforbeinglowinfat.Butwhatseemslikeahealthychoiceforhumansiscausingadisastertoouroceans.“Peopleareconsuming(消费)toomuch,”saysLanceMorgan,ascientistattheMarineConservationBiologyInstitute.
Adishoftunainrestaurantscostsmorethanjustoneanimalslife.Whenfishliketunadisappearfromtheecosystem(生态系统),theocean’sfoodchain(链)breaksdown.Animalssuchassharks,whichnormallyeattuna,maydiebecausetheyfindnofood.
Thenewsmaybescary,buttakingactionfromnowoncanpreventharmthathasn’thappenedyet.Worldorganizationsareorderingcountriestostopfishingtoomuch.TheMontereyBayAquariumgivesseafoodchoicestoanyonehopingtokeephealthywithoutdestroyingtheenvironment.
“Ifyoucareaboutwildlife,firstspendtimeandthinkaboutyourownvaluesandbeliefs,”saysMorgan.“Thendecidewhatyou’regoingtoeat.”
1．Howdoesthewriterstartthetext?
A．Bygivingafact. B．Byaskingaquestion.
C．Bytellingastory. D．Byusingasaying.
2．Whatdoestheunderlinedword“demand”inParagraph2probablymean?
A．Wish. B．Support. C．Need. D．Price.
3．FromParagraph3,weknowthat________.
A．ifsharksdieout,tunawilldieoutsoon B．tunawillbemorepopularinrestaurants
C．tunaplaysanimportantroleintheecosystem D．tunadisappearedbecausetheyfoundnofood
4．What’sthepurposeofthetext?
A．Totellpeopletostopp
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