安徽省2023届同步达标自主练习九届级 九上 数学(HK)第二次(期中)答案

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34.Ifyouhaveagivengoal,theextrinsicloadonyourworkingmemoryisA.reduced35.Whatcanbethebesttitleofthepassage?B.increasedA.HowtoUseCognitiveLoadC.maintainedD.limitedB.LimitedWorkingMemoryCapacityC.HigherWorkingMemoryResourcesthanIntrinsicLoadD.CognitiveLoad:theReasonBehindLearningDifficulties第二节（共5小题每小题2分，满分10分)thehe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

heOctopus()armshavemindsoftheirown.Theireightpowerfularmscancatcharyfish.3That'sbecausetheirarmscanthinkforthemselves.Scientistsalsofindthatanoctopuscanusethosearmsto"taste"food,althoughnotquiteaspeopledo.Researchershavejustfoundspecializedcellsonthearmsofoctopuses.Thesecellsallowtheanimaltotastefood.37Octopusarmsattachtotheanimal'shead.Thecreatureusesthesearmstomoveandhunt.Eacharmhas280suckers()eThosecellsmayhelpanarmquicklytellwhethersomethingisapieceoffood,arockorapoisonouscreature.Todothis,theynotonlyfeelprey,butalsotasteit.Thesecellsdetectchemicalsproducedbymanyseaanimals,explainsNicholasBellono.He'samolecularbiologist,someonewhostudiesthecellsoflife.HeheadedateamatHarvardUniversityinCambridge,Mass.,whichhasjustmadeastudyofthesecells.Whattheyfoundisacluetotheuniquepaththatoctopuseshaveevolvedtowardintelligence.39Allthosecellsallowtheseflexiblefeelerstooperatealmostontheirown.TheHarvardgroupfocusedonthearmsoftheCaliforniaoctopus.Theytookdetailedpictures.Theseshowedwhatappearedtobesensorycells.Someofthosecellsonthesurfaceofthesuckershadendings.Bellono'steamtestedhowthesecellsrespondedtoanumberofstimuli().Theyfoundoneclassofcellsweresimilartothosethatdetecttouchinmanyanimals.Anothersetrespondedtothefish.Bellono'sgroupalsofoundthatthesecondsetofcellscontainedreceptors-proteinsthatsensespecificstimuli.40meaningtheycantellonechemicalfromanotherbytouch.Hedescribesthemas“chemotactile”",A.Eachsuckerhasspecialcells.B.It'snotclearwhatthesebehaviorsmean.edaC.Andtheydoallthiswithoutusingtheirbrains.D.Suchcellshavenotbeenseeninotheranimals.E.Theycantellthedifferentchemicalsbyfeeling.F.Nootheranimalisknowntohavethistypeofreceptor.G.Two-thirdsofthenervecellsresideinitsarms,notitsbrain.第三部分语言知识运用（共两节，满分45分）第一节（共20小题；每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B,C和D四个选项中，选出可以填人空白处的最佳选项

WhenIwasababy,myparentsgavemeanythingIwanted.ThenmydaddiedwhenIwasthree,andIgotevenmorestuffasmyfamilygavememoretomakeme41better.Mymomcontinuedto42metowhateverIwanteduntilIwassevenandmyworld43Thatwaswhentherealestatemarketcrashed,whichputusin44Afterthecrash,wheneverIaskedforsomething,Momsaidno.ButIdidn't45tobeingrefused,soforayearortwoIkeptasking.Thensomethinghappenedthatchangedmywayof46.My【2023年分科诊断测试卷（四）·英语第6页（共8页）】