[合肥一模]安徽省2024年合肥市高三第一次教学质量检测数学.考卷答案

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[合肥一模]安徽省2024年合肥市高三第一次教学质量检测数学.考卷答案试卷答案

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"Andthat'swherewegotallourinformation."Someonewhospeakslowandslowlymight第二节(共5小题;每小题2.5分,满分12.5分)haveParkinson'sdisease.Speakingunclearlyisasignofastroke.Scientistscouldeven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diagnosedepressionorcancer.选项

Theteamwillstartbycollectingthevoicesofpeople."WewerereallylackinglargeWork,familyandworldeventscanbesostressfulthatitfeelslikeoptimismandjoyarewhatwecallopensourcedatabases,"Bensoussansays."Everyinstitutionhas.theirownfaroutofreach.Anyonecangetstuckinabadmood-butyoudon'thavetostaydatabase.Buttocreatethesenetworkswasreallyimportanttothenallowresearchersfromthere!36othergenerationstousethisdata."Theultimategoalisanappthatcouldhelpbridgeaccesstoruralorunderservedcommunities,byhelpinggeneralpractitionersreferpatientstoOnceyou'reinamoodyouneedtoshake,startbygoingtoyourhappyplace.37Ifspecialists.Togetthere,researchershavetostartbycollectingdata,sincetheAIcanonlynot,keepaphotoonyourphoneorcomputerofabeautiful,favoriteplaceandtakeagetasgoodasthedatabaseit'slearningfrom.Bytheendofthefouryears,theyhopetomomenttoimagineyourselfthere.What'stheweatherlike?Whatdoestheairsmelllike?collectabout30,000voices,withdataonotherbiomarkers-likeclinicaldataandgeneticWhatareyoudoingwhileyou'rethere?Howdoesbeingtheremakeyoufeel?You'llinformation-tomatch.instantlyfeelcalmer,lostinthedaydreamorthememoryofyourhappyplace.Thereareafewroadblocks.HIPAA-thelawthatregulatesmedicalprivacy-isn'tWecanmakeoursituationsworsebykeepingthinkingaboutnegativethoughts.38.reallyclearonwhetherresearcherscansharevoices."Let'ssayyoudonateyourvoicetoour"Badthingsalwayshappentome,"becomes"WhatlessoncanIlearnfromthissituation?"project,"saysYaelBensoussan."Whodoesthevoicebelongto?Whatareweallowedtodo"Iwastedthewholeday,"becomes"1sttllhave5morehourslefttomake.todayawithit?Whatareresearchersallowedtodowithit?Canitbecommercialized?"greatday!"32.WhatdoesYaelBensoussanmeaninParagraph2?Whetheritisgoingforacoffeeatyourfavoritecafe,orcatchingamovieinthetheatre,A.Voicesmayhelpwithillnessdiagnosis.makesurethatonceaweekyouschedulesome"me"time.39ThatmaymeangettingB.ScientistscanrelyonanAItodetectillness.lessdoneduringtheday,butyoudeservetotakeamentalbreak,regularly.SogivepriorityC.Diseasesymptomscanbenotedbymachines.tothetimeyouneedtorecharge.D.It'snecessaryfordoctorstolistentopatientstalking.33.Howwill.theresearchbecarriedout?40Whetherit'stherarebitofeasytrafficonyourwaytoworkorthebreakintheA.Bybuildingabase.B.Bycollectingdataweather,youwon'thavetimetocomplainaboutthenegativethingsbecauseyou'resobusyC.Byconnectingcommunities.D.Bymatchingclinicalinformation.beinggrateful.34.WhyisHIPAAmentionedinthelastparagraph?A.Youcanalsovolunteeratyourlocalshelter.A.Toprovetheresearchers'idea.B.Ithelpsfocusonthepresentandclearyourmind.B.Toexplaintheproceduresofthestudy.C.Thankfully,therearewaysyoucangetbackontrack.C.Toimplytheproblemswiththeresearch.D.Ifyou'reable,getintonatureandbreathethefreshair.D.Toensurethecommercialvalueofthestudy.E.Relieveyourstressandrefreshyourmind,bodyandspirit.35.Whichofthefollowingcanbethebesttitleforthetext?”,F.Whenanegativethoughtflashes,replaceitwithapositiveone.A.AnApplicationforVoiceStudyB.Data-collectedApproachtoResearchG.Whenanegativeattitudetakesover,shakeitoffbypractisinggratitude.C.ABreakthroughinMedicalFindingsD.Sound-aidedAIHelpWithDiagnosis高三英语试题第7页(共11页)高三英语试题第8页(共11页)

分析根据正弦定理,可判断①;写出原命题的否定,可判断②;求出函数的单调区间,可判断③,求出a值,进而求出积分,可判断④

解答解:①△ABC中,“A>B”?“a>b”?“2RsinA>2RsinB”?“sinA>sinB”,故“A>B”是“sinA>sinB”的充要条件,即①是真命题;
②若命题p:?x∈R,sinx≤1,则¬p:?x∈R,sinx>1,故②是假命题;
③由2x-$\frac{π}{6}$∈[$\frac{π}{2}$+2kπ,$\frac{3π}{2}$+2kπ](k∈z)得:x∈[$\frac{π}{3}$+kπ,$\frac{5}{6}$π+kπ](k∈z);
即函数y=3sin(2x-$\frac{π}{6}$)+2的单调递减区间是[$\frac{π}{3}$+kπ,$\frac{5}{6}$π+kπ](k∈z),故③是假命题;
④若函数f(x)=x2+2x+2a的最小值为:2a-1,
函数g(x)=|x-1|+|x+a|的最小值为:|a+1|,
由2a-1=|a+1|得:a=2,
则$\int_1^a{f(x)}dx$=${∫}_{1}^{2}({x}^{2}+2x+4)dx$=$(\frac{1}{3}×{2}^{3}+{2}^{2}+4×2)$-$(\frac{1}{3}×{1}^{3}+{1}^{2}+4×1)$=$\frac{28}{3}$,故④是真命题;
故真命题的个数为2个,
故选:B.

点评本题以命题的真假判断为载体考查了正弦定理,全称命题的否定,正弦函数的单调性,函数的最值,积分等知识点,难度中档.