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PAGE2/NUMPAGES2考试每日职称英语一练考前理工类阅读下面这篇短文，短文后列出了七个句子，请根据短文的`内容对每个句子作出判断。如果该句提供的是正确信息，请在答题卡上把A涂黑;如果该句提供的是错误信息，请在答题卡上把B涂黑;如果该句的信息文章中没有提及，请在答题卡上把c涂黑。MemoryReductionItiscommonforolderpeopletoforgetthings.NowanAmericanstudyhasfoundthatmemorystartstofailwhenweareyoungadults.Peopleyoungerthanthirtyyearsofageusuallydonotknowthattheyarestartingtoforgetinformation.ButscientistsfromtheUniversityofMichigansaythelossofmemoryusuallyhasalreadystarted.Researcherssaypeopledonotobservethisslowreductioninmentalabilityuntilthelossaffectstheireverydayactivities.DeniseParkledthenewstudy.ShedirectsthecenterforAgingandCognitionattheInstituteforSocialResearchattheUniversityofMichigan.Herteamstudiedmorethan350menandwomenbetweentheagesoftwentyandninetyyears.Thestudyidentifiedpeopleintheirmiddletwentieswithmemopfproblems.Shesaysyoungadultsdonotknowtheyareforgettingthingsbecausetheirbrainshavemoreinformationthantheyneed.ButshesaysthatpeopleintheirtentiesandthirtiesarelosingmemmTatthesamerateaspeopleintheirsixtiesandseventies.
