陕西省2023-2024学年度七年级第一学期10月月考Aq地理

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陕西省2023-2024学年度七年级第一学期10月月考Aq地理试卷答案

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DCanexerciseduringchildhoodprotectyouagainstmemorylossmanyyearslater?Exerciseearlyinlifeseemstohavelifelongbenefitsforthebrain,inratsatleast."Thisisananimalstudy,butitshowsthatphysicalactivityatayoungageisveryimportant-notjustforphysicaldevelopment,butforthewholelifelongtrackofcognitivedevelopmentduringageing,saysMartinoftheUniversityofToronto,Canada."Inhumans,itmayputofftheappearanceofAlzheimer's(阿a兹海默症)symptoms,possiblytothepointofpreventingthem.“Martin'steamdivided80youngmaleratsintotwoequalgroups,andplacedrunningwheelsinthecagesofonegroupforaperiodofsixweeks.Aroundfourmonthslater-whentheratshadreachedmiddleage-theteamtaughtalltheratstoconnectanelectricshockwithbeinginaspecificbox.Whenplacedinthebox,theyfrozewithfear.Twoweekslater,theteamtestedtheratsinthreesituations:exactlythesameboxinthesameroom,thesameboxwiththeroomarrangeddifferently,andacompletelydifferentboxinadifferentroom.Theratswithoutaccesstoarunningwheelwhentheywereyoungnowfrozethesamepercentageoftimesineachofthesesituations,suggestingtheycouldn'trememberwhichonewasdangerous.Butthosethathadbeenabletorunintheiryouthfroze40to50percentlessinbothchangedboxsettings."Theresultssuggesttheamountofphysicalactivitywhenwe'reyoung,atleastforrats,hasinfluenceonbrainandcognitivehealth-intheformofbettermemories-whenwe'reolder,"saysArthurKramerofNortheasternUniversityinBoston,whohasfoundthat,inhumans,exerciseimprovesthegrowthofnewbraincells.32.ThestudyshowsthatA.exercisewhenyoungcanpreventmemorylosswhenolderinratsB.physicalactivityisimportantforphysicalhealthC.usingtherunningwheelsisofbenefittotherats'growthD.physicalactivitycanpreventhuman'sAlzheimer'ssymptoms33.Whatdoestheunderlinedword"it"inParagraph2referto?A.studyB.developmentC.benefitD.exercise34.HowareParagraph3and4mainlydeveloped?A.Byanalyzingcauses.B.Bygivinganexample.C.Byshowingdifferences.D.Bydescribingtheprocess.35.Whatistheauthor'sattitudetowardstheanimalstudy?A.Surprised..B.Critical(批判性的).C.Objective(客观的).D.Doubtful.第二节（共5小题：每小题2.5分，满分12.5分)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项

选项中有两项为多余选项

Aeyouthinkingabouttravelingalone?Youmusthaveamillionquestions:Whereshouldyougo?Willtherebesomeonetotalkto?36Andisitallrighttotravelalone?Infact,travelingaloneisnotasscary()asitseems.HerearesomegoodtipsChooseaplacewhereyoufeelcomfortableandsafeTruthbetold,travelingaloneforthefirsttimeismoreabouttheexperiencethanthedestination.37Itcouldbesomewhereclosetohomeorsomewhereyou'vealreadybeenwithfriends.Makeaplan高一英语学科试题第5页（共8页）

1.艾伯特湖的面积大约是A.11000km^2B.5500km^2C.2500km^2D.12500km^2

12.某日北京时间5:59,众多天文爱好者在陶寺古观象台观测日出景观。推测该日日期与观测到日出奇观的狭缝分别是A.2月26日,8号缝B.4月26日,10号缝C.6月22日,12号缝D.10月22日,6号缝

陕西省2023-2024学年度七年级第一学期10月月考Aq地理