2022年东北大学自考英语（二）练习题（附答案解析）.pdf

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2022年东北大学自考英语二（）练习题汇总（附答

案解析）

第1题【单选题】

【填句补文】GangXiaoandBenSchragatBrownUniversity,visualizethecurrentbymeasuring

subtle细（的）changesinthemagneticfieldofanobjectand.

A、toshrinkittothesizeofadesktocomuter

tomakeitcaableofmeasuringveryweakchangesinmagneticfields

C^aswellasrevealingmicroscoicdefectsinanythingfromaircrafttobanknotes

D、convertingtheinformationintoacolorictureshowingthedensityofcurrentateachoint

【正确答案】D

第2题【单选题】

【阅读理解】GyorgyBuzsakiofRutgersUniversityandhiscolleaguesanalyzedthe

brainwavesofsleepingratsandmice.Specificallytheyexaminedtheelectrical

activityemanatingfromthesomatosensoryneocortex（anareathatprocesses

sensoryinformation)andthehiocamus,whichisacenterforlearningand

memory.Thescientistsfoundthatoscillationsinbrainwavesfromthetworegions

aeartobeintertwined.So-calledsleesindles(burstsofactivityfromthe

neocortex)werefollowedtensofmillisecondslaterbybeatsinthehiocamus

knownasriles.Theteamositsthatthisinterlaybetweenthetwobrainregions

isakeysteinmemoryconsolidation.Asecondstudy,alsoublishedonlinethis

weekbytheProceedingsoftheNationalAcademyofSciences,linksage-associated

memorydeclinetohighglucoselevels.Whatistheresultoftheexerimentwith

ratsandmicecarriedoutatRutgersUniversity

A、Theelectricalactivityisemanatingfromthesomatosensoryneocortex.