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【单选题】
PassageThree Questions31to35arebasedonthefollowingpassage. Trademarks（商标）identifyanddistinguishtheproductsofonebusinessfirmfromthoseofanother.Itmayincludeaword，asentence，aname，asymbol，apicture，oranycombinationofthese.Trademarksmustbeattacheddirectlytotheproduct.Manytrademarkscontainthenameoftheownerofthebusiness.Butmanufacturersoftenusesomewordtodescribethequalitiesoftheproduct，ormakeupaword.Thespokenpartofatrademarkiscalledthebrandname. Trademarksprovideawayforpeopletodeterminewhoisresponsibleforaparticularitem.Theyalsohelppeopleidentifythebrandstheylikedinthepastsotheymaypurchasethemagain.Manufacturersusetrademarkstopromotethesaleoftheirgoods. Servicemarksalsoidentifygoodsandservices.Theydonothavetobeattachedtoaproduct.Companiesthatprovideservicestothepublic，suchastransportationcompanies，usethesemarkstoadvertisetheirservices.Forexample，abluesignwithabell，thesymboloftheAmericanTelephoneandTelegraphCompany，tellseverypasser-bythatapublictelephoneisavailableforuse. Lawstoprotecttherightsofthetrademarkownerweredevelopedintheearly1800’s.Mostcountriesnowprovideforregulationandregistrationoftrademarks.Animportantprotectionfortrademarkrightsisfederal（联邦的）registration.In1905，theU.S.Congresspassedthefirstfederallawontrademarkregistrationtobeheldconstitutional. Whichofthefollowingstatementsistrueaccordingtothepassage？
A.
Trademarks must be attached to all products.
B.
Service marks not only identify products but also help to advertise services.
C.
Laws to protect trademark owners were probably developed between 1801-1810.
D.
Local registration is the only protection for trademark rights.
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题目标签：联邦
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