voa話題七選五day12每日一練-2025屆高三英語一輪復(fù)習(xí)

Passage1第一篇：三文魚標(biāo)簽誤標(biāo)現(xiàn)象調(diào)查SalmonisapopularchoiceamongconsumersintheU.S.,butanewstudyrevealsaconcerningissue.1._____ResearchshowsthatasignificantportionofsalmonsoldinSeattle-areaestablishmentsismislabeled.Thestudyfocusedonbothgrocerystoresandsushirestaurants.Ingrocerystores,outof67samples,9weremislabeled,about13percent.2._____However,themislabelingingrocerystoreswasnotalwaysinfavorofthestores,andtherewerenocasesoffarmedsalmonbeingwronglylabeledaswild.Incontrast,thesituationinrestaurantswasmoresevere.3._____Outof52sushisamples,12weremislabeled,a23percentrate.Themainproblemwasthatfarmedsalmonwasoftensoldaswild-caught,whichdeceivescustomersandmayleadtothempayingahigherpriceforadifferentproduct.Toconductthestudy,TracieDelgadoandherstudentstookanactiverole.4._____Theyvisitedbusinesses,collectedsamplesfollowingstrictprotocolstoavoidcontamination,andthenusedgeneticanalysistechniques.Theyanalyzedthecytochromecoxidasegene,whichisusefulfordistinguishingbetweendifferentsalmonspeciesduetoitsslightvariationsamongspecies.Althoughthereareregulationslikethe2013state-levellegislation,themislabelingproblemstillpersists.5._____Grocerystoresseemtohaveimproved,butrestaurantsarestilllaggingbehind.Moreinspectionsareneededtoaddressthisissueeffectively.A.Itseemsthatthemislabelingisintentionalinsomecases.B.Therateofmislabelinginrestaurantsisrelativelyhigh.C.Theyusedadvancedmethodstoidentifythesalmonspecies.D.Salmonishighlyconsumed,butitslabelingisaproblem.E.Themislabelingrateingrocerystoresisnotnegligible.F.Thestudyaimedtouncoverthetruthaboutsalmonlabeling.G.Washingtonstatehasrelativelybetterlabelingconditions.答案：1.D2.E3.B4.C5.G解析：1.開篇提到三文魚受歡迎但有新研究揭示問題，D項“三文魚消費(fèi)量大，但標(biāo)簽存在問題”能概括主旨，故填D。2.講雜貨店的誤標(biāo)情況，E項“雜貨店的誤標(biāo)率不可忽視”符合，故填E。3.對比餐館情況更嚴(yán)重，B項“餐館的誤標(biāo)率相對較高”呼應(yīng)上文，故填B。4.提到研究人員的做法，C項“他們使用先進(jìn)方法鑒定三文魚品種”說明研究手段，故填C。5.雖有法規(guī)但問題仍存，G項“華盛頓州的標(biāo)簽情況相對較好”與后文雜貨店和餐館情況相呼應(yīng)，故填G。Passage2第二篇：三文魚誤標(biāo)背后的原因與影響Themislabelingofsalmonisnotasimplemistakebuthasmultipleaspectstoconsider.1._____Insomegrocerystores,mislabelingmightoccurduetoworkers'unfamiliaritywithdifferentsalmonspeciesormix-upsduringprocessing.TracieDelgadobelievesthattherecouldbehonesterrors.2._____Despitetheidentifiabletrademarksonwholefishandtheintactarrivaloffishinstores,mistakescanstillhappen.However,inrestaurants,themislabelingtrendseemsmoredeliberate.3._____Presentingfarmedsalmonaswild-caughtisawaytoincreaseprofitsattheexpenseofcustomers.Thegeneticanalysisusedinthestudyiscrucial.4._____Bylookingatthecytochromecoxidasegene,researcherscanaccuratelytelldifferentsalmonspeciesapart.Butthisanalysisalsoshowsthatthesourceofmislabelingishardtopinpoint.Itcouldbeattherestaurantlevelorhigherupinthesupplychain,likewithdistributors.Themislabelingofsalmonhasbroaderimpacts.5._____Itcanmisleadconsumerswhowanttomakeresponsiblechoicesandalsoaffectfisheryconservationeffortsasitdistortstheactualsupplyanddemanddataofdifferentsalmonspecies.A.Ithelpstorevealthetruenatureofthesalmon.B.Thereasonsformislabelingvaryindifferentplaces.C.Thegeneanalysishasitslimitationsthough.D.Workers'mistakesarethemaincauseofmislabeling.E.Itcanhaveconsequencesforbothconsumersandtheindustry.F.Themislabelinginrestaurantsismoreprofit-driven.G.Identifyingthesourceofmislabelingiscomplex.答案：1.B2.A3.F4.G5.E解析：1.提到三文魚誤標(biāo)原因多方面，B項“不同地方誤標(biāo)的原因不同”能總領(lǐng)下文，故填B。2.講雜貨店誤標(biāo)可能因工人不熟悉等，A項“它有助于揭示三文魚的真實(shí)情況”說明基因分析作用，與后文呼應(yīng)，故填A(yù)。3.說餐館誤標(biāo)更蓄意，F(xiàn)項“餐館的誤標(biāo)更受利潤驅(qū)動”符合，故填F。4.基因分析雖能區(qū)分品種但難確定誤標(biāo)源頭，G項“確定誤標(biāo)源頭很復(fù)雜”符合，故填G。5.誤標(biāo)有更廣泛影響，E項“它對消費(fèi)者和行業(yè)都有后果”總結(jié)影響，故填E。Passage3第三篇：解決三文魚標(biāo)簽問題的探討Theissueofmislabeledsalmonhasdrawnattention,andeffortsareneededtoaddressit.1._____Thecurrentsituationshowsthatalthoughthereislegislation,ithasnotcompletelysolvedtheproblem.InSeattle,thestudyfounddifferentmislabelingratesbetweengrocerystoresandrestaurants.2._____Grocerystoreshavearelativelylowermislabelingrate,whichmightbeduetothe2013policythatrequirescorrectlabeling.However,restaurantsstillhaveasignificantmislabelingproblem,withfarmedsalmonbeingmisrepresentedaswild-caught.Toimprovethesituation,moreinspectionsareproposed.3._____Thiscanhelptoensurethatbusinessesfollowthelabelingregulationsandreducetheoccurrenceofmislabeling.Consumersalsoplayarole.4._____Theyshouldbemoreawareoftheissueanddemandaccuratelabeling.Whentheyknowwhattheyareeatingandpayingfor,theycanmakemoreinformedchoices.Inaddition,theindustryasawholeneedstotakeresponsibility.5._____Fromfishsupplierstodistributorsandrestaurants,allpartiesshouldworktogethertoensuretheintegrityofsalmonlabeling,whichisbeneficialforbothconsumersandthesustainabledevelopmentofthefishery.A.Consumers'awarenessiscrucialinthisprocess.B.Themislabelingproblemismoreseriousinrestaurants.C.Legislationaloneisnotenoughtosolvetheproblem.D.Theindustryshouldcooperatetosolvetheissue.E.Inspectionscanbeaneffectivewaytomonitor.F.Thedifferenceinmislabelingratesissignificant.G.