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执行如图所示的程序框图,若输入m=1,n=3,输出的x=1.75,则空白判断框内应填的条件为( )
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高三下学期数学《》真题及答案
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执行如图所示的程序框图若输入x=9则输出的y的值为.-
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D
执行如图12所示的程序框图若输入的x的值为1则输出的n的值为____.图12
执行如图所示的程序框图输入l=2m=3n=5则输出的y的值是________.
执行如图所示的程序框图.若输出的结果为﹣1则可以输入的x的个数为
1
2
3
0
执行如图所示的程序框图若输入x=0.1则输出的m值为.
如图所示的程序框图的算法思想源于数学名著几何原本中的辗转相除法执行该程序框图图中mMODn表示m除以
0
5
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90
阅读如图所示的程序框图运行相应的程序若输入N.的值为19则输出N.的值为
0
1
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3
执行如图所示的程序框图若输入的x=4.5则输出的i=
3
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执行如图所示的程序框图若输入x=9则输出y=________.
执行如图所示的程序框图若输入的x的值为1则输出的n的值为________.
如图所示的程序框图若输入m=8n=3则输出的S.值为
56
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1440
执行如图所示的程序框图已知输出的s∈[04].若输入的t∈[0m]则实数m的最大值为
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执行如图所示的程序框图若输入n的值为8则输出s的值为
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2
执行如图所示的程序框图若输入n的值为3则输出的S.的值为_________
执行如图所示的程序框图若输入的n值等于7则输出s的值为
15
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执行如图所示的程序框图若输入的x值为2则输出的x值为
3
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执行如图所示的程序框图若输入m=1n=3输出的x=1.75则空白判断框内应填的条件为
|m﹣n|<1
|m﹣n|<0.5
|m﹣n|<0.2
|m﹣n|<0.1
执行如图所示的程序框图若输入m=1n=3输出的x=1.75则空白判断框内应填的条件为
|m﹣n|<1
|m﹣n|<0.5
|m﹣n|<0.2
|m﹣n|<0.1
执行如图所示的程序框图若输入x=4则输出y的值为__________.
如果执行如图所示的程序框图输入n=6m=4那么输出的p等于.
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Mycolortelevisionhasgivenmenothingbutaheadache.IwasabletobuyitalittleoverayearagobecauseIhadmyrelativesgivememoneyformybirthdayinsteadofalotofclothesthatwouldn'tfit.IletasalesclerkfoolmeintobuyingadiscontinuedmodelIrealizedthisadaylatewhenIsawnewspaperadvertisementsforthesetatseventy﹣fivedollarslessthanIhadpaidThesetworkedsobeautifullywhenIfirstgotithomethatIwouldkeepitonuntilstationssignedoffforthenightFortunatelyIdidn'tgotanychannelsshowingall﹣nightmoviesorIwouldneverhavegottentobed. ThenIstarteddevelopingaproblemwiththesetthatinvolvedstatic静电noise.Forsomereasonwhencertainshowsswitchedintoacommercialaloudnoisewouldsoundforafewseconds.GraduallythisnoisebegantoappearduringashowandtogetridofitIhadtochangetoanotherchannelandthenchangeitback.SometimesthistechniquewouldnotworkandIhadtopickupthesetandshakeittoremovethesound.Iactuallybegantobuildupmyarmmuscles肌肉shakingmyset. WhenneitherofthesemethodsremovedthestaticnoiseIwouldsithelplesslyandwaitforthenoisetogoaway.AtlastIendeduphittingthesetwithmyfistanditstoppedworkingaltogether.Mytriptotherepairshopcostme$62andthesetisworkingwellnowbutIkeepexpectingmoretrouble. 21.WhydidtheauthorsayhewasfooledintobuyingtheTVset? A.Hegotanoldermodelthanhehadexpected. B.Hecouldn'treturnitwhenitwasbroken. C.Hecouldhaveboughtitatalowerprice. D.Hefailedtofindanymovieshowsonit. 22.WhichofthefollowingcanbestreplacethephrasesignedoffinParagraph1? A.endedalltheirprograms B.providedfewerchannels C.changedtocommercials D.showedall﹣nightmovies 24.Howdoestheauthorsoundwhentellingthestory? A.Curious B.Anxious C.Cautious D.Humorous.
某果园中存在AB两种果树害虫果园中的鸟C可以捕食这两种害虫使用人工合成的性引诱剂Y诱杀B可减轻B的危害.回答下列问题. 1果园中包含害虫A的一条食物链是.该食物链的第三营养级是. 2A和B之间存在种间竞争关系种间竞争通常是指. 3性引诱剂Y传递给害虫B的信息属于.使用性引诱剂Y可以诱杀B的雄性个体从而破坏B种群的导致降低从而减轻B的危害.
如图反比例函数y=x>0的图象经过矩形OABC对角线的交点M分别交ABBC于点DE.若四边形ODBE的面积为12则k的值为.
如图在菱形ABCD中已知AB=4∠ABC=60°∠EAF=60°点E在CB的延长线上点F在DC的延长线上有下列结论①BE=CF②∠EAB=∠CEF③△ABE∽△EFC④若∠BAE=15°则点F到BC的距离为2﹣2.则其中正确结论的个数是
设ab∈01∪1+∞定义运算则
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若函数的图象相邻的两个对称中心为将fx的图象纵坐标不变横坐标缩短为原来的得到gx的图象则gx=.
如图在Rt△ABC中∠B=90°AB=5BC=12将△ABC绕点A逆时针旋转得到△ADE使得点D落在AC上则tan∠ECD的值为.
用数学归纳法证明“n∈N•”则当n=k+1时应当在n=k时对应的等式的两边加上
ItwasmyfirstdayinHangzhoutheChinesecityfamousforitsnaturalbeautyandhistoryandIdidn'thavemuchtimetospare.Iwantedtosee1muchofthecityaspossibleinthetwodays2IwastoreturntoGuangzhou.Myfirsttaskwastodecidewheretogoand3togetthere.Itookoutmyguidebookinwhichtherewasalotofinformationaboutthecity'swell﹣knowntourist4attractandstartedtoread.Atthatmomentanattractiveyounglady5noticedmybookcameuptomeandintroduced6.ShesaidhernamewasMissBai.Shekindlyofferedtoshowme7thecity.Iwasdelightedandwasabouttoacceptherproposalwhenshesuggestedwefirst8gototheWestLakeandwalkalongtheBrokenBridge.IquitelikedtheideaofvisitingtheWestLakebutwasn'tsosureaboutcrossingtheBrokenBridge.9itwasbrokendidsheexpectmetojumpacross?AndIcouldn'tswimsoifIfellinthenIwoulddrown.ThatwasdefinitelynotanattractiveideasoIpolitelydeclinedherinvitation10closemybookandwalkedaway. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
已知函数. 1若x∈﹣1+∞求fx的最小值并指出此时x的值 2求不等式fx≥2x+2的解集.
Wheredoyougowhenyouwanttolearnsomething?Afriend?Atutor?Theseareall41acesoflearning.Butitmaywellbethatthelearningyoureallywant42somewhereelseinstead.Ihadthe43ofseeingthisfirsthandona44. Mydaughterplaysonarecreationalsoccerteam.Theydidverywellthisseasonandso45atournamentwhichnormallywasonlyformoreskilledclubteams.Thisledtosome46experiencesonSaturdayastheyplayedagainstteams47trained.Throughthefirsttwogamesher48didnotgetonseriousshotongoal.AsapparentI49seeingmydaughterplayingherbest50stilldefeated. ITseemedthatsomethingclickedwiththe51betweenSaturdayandSunday.Whenthey52fortheirSundaygametheywere53different.Theyhadbegunintegrate融合thekindsofplayandteamworktheyhad54thedaybeforeintotheir55.Theyplayedaggressivelyand56scoredagoal. It57methatplayingagainsttheotherteamwasagreat58momentforallthegirlsontheteam.Ithinkitisageneralprinciple.59isthebestteacher.Thelessonstheymaynotbe60whattheywouldhavegotteninschool.Butarecertainlymorepersonalandmeaningfulbecausetheyhadtoworkthemoutontheirown. 41.A.public B.traditional C.official D.special 42.A.passes B.works C.lies D.ends 43.A.dream B.idea C.habit D.chance 44.A.trip B.holiday C.weekend D.square 45.A.won B.entered C.organized D.watched 46.A.painful B.strange C.common D.practical 47.A.less B.poorly C.newly D.better 48.A.fans B.tutors C.class D.team 49.A.imagined B.hated C.avoided D.missed 50.A.if B.or C.but D.as 51.A.girls B.parents C.coaches D.viewers 52.A.dressed B.showedup C.madeup D.planned 53.A.slightly B.hardly C.basically D.completely 54.A.seen B.known C.heard D.read 55.A.styles B.training C.game D.rules 56.A.even B.still C.seldom D.again 57.A.confused B.struck C.reminded D.warned 58.A.touching B.thinking C.encouraging D.learning 59.A.Experience B.Independence C.Curiosity D.Interest 60.A.harmfulto B.mixedwith C.differentfrom D.appliedto.
1用分析法证明当x≥0y≥0时 2证明对任意x∈R3|x﹣1|﹣x﹣1x2+x﹣2x+1这3个值至少有一个不少于0.
已知函数y=ex的值域为集合A不等式x2﹣x﹣6<0的解集为集合B则A∪B=
①已知p3+q3=2求证p+q≤2用反证法证明时可假设p+q>2②设a为实数fx=x2+ax+a求证|f1|与|f2|中至少有一个不小于用反证法证明时可假设且以下说法正确的是
BRITAINisapopulartouristplace.Buttoursofthecountryhaveprosandcons. Goodnews Freemuseums.Nochargeforoutstandingcollectionsofartandantiquities. Popmusic.Britainistheonlycountrytorival与……比敌theUSonthisscore. Blackcabs.Londontaxidriversknowwheretheyaregoingevenifthereareneverenoughofthematweekendsornight. Choiceoffood.VisitorscanfindeverythingfromEthiopiantoSwedishrestaurants. Fashion.NotonlydofashionfollowerslovedeeplyandrespecthighlybrandnamessuchasVivienneWestwoodAlexanderMcQueenstreetstylesarejustlylovedtoo. Badnews Poorservice.It'spartoftheimageoftheplace.PeoplecandineoutontherudenesstheyhaveexperiencedsaysProfessorTonySeatonofLutonUniversity'sInternationalTourismResearchCenter. Poorpublictransport.Trainsandbusesarepromisedtodefeatthekeenesttouristsalthoughtheover﹣crowdedLondontubeisunbelievablepopular. Lackoflanguages.Speakingslowlyandclearlymaynotgetmanyforeignvisitorsveryfareveninthetouristtraps. Rain.Stillinthenumberonecomplaint. Noair﹣conditioning.Sothatevensplendidlyhotsummersbecomeasunbearableasthedown﹣pours. Overpricedhotels.TheonlyEuropeancountrywithahigherrateoftaxonhotelroomsisDenmark. Licensinghours.Alcohol酒isinshortsupplyafter11p.m.evenin24﹣hourcities. 1.Whatdotouristscomplainmost? A.Poorservice. B.Poorpublictransport. C.Rain. D.Overpricedhotels. 2.WhatdowelearnaboutpopmusicinBritainandtheUSthroughthispassage? A.PopmusicinBritainisbetterthanthatintheUS. B.PopmusicinBritainisasgoodasthatintheUS. C.PopmusicinBritainisworsethanthatintheUS. D.PopmusicinBritainisquitedifferentfromthatintheUS. 3.Whenisalcoholnotabletogeteasily? A.At900p.m. B.At1000p.m. C.At1100p.m. D.At1200p.m. 4.Whichofthefollowingistrueaccordingtothepassage? A.Youhavetopaytovisitthemuseums. B.It'sverycheaptotravelbytaxithere. C.YoucannotfindChinesefoodthere. D.Thepublictransportispoorthere.
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IwastenwhenIfirstsatwithmygrandmotherbehindthecashier收银台inhergeneralstore.1Iquicklylearnedtheimportanceoftreatingcustomerspolitelyandsayingthnakyou. AtfirstIwaspaidincandy.2Iworkedeverydayafterschoolandduringthesummerandonweekendsandholidaysfrom8a.m.to7p.m.Myfatherhelpedmesetupabannkaccount.3 BythetimeIwas12MygrandmotherthoughtIhaddonesuchagoodjobthatthepromotedmetosellingcosmetics化妆品.Idevelopedtheabilitytolookcustomersdirectlyintheeye.EventhoughIwasjustakidwomenwouldaskmesuchthingsasWhatcolordoyouthinkIshouldwear?Itookarealinterestintheirquestionsandwasabletotranslatewhattheywantedintomakeup化妆ideas.4 Thejobtaughtmeavaluablelessontobeasuccessfulsalespersonyoudidn'tneedtobeaRocketscientist﹣youneededtobeagreatlistener.5expecttheyareNOlongerwomenpurchasingcosmeticsfrommeinsteadtheyarekidswhotellmewhichtoystheywouldliketoseedesignedanddeveloped. A.LaterIreceived50centsanhour. B.Beforelongsheletmesirtherebymyself. C.Iendedmysellingarecordamountofcosmetics. D.TodayIstillcarrythatlessonwithmeIlistentocustomers. E.Mygrandma'strusttaughtmehowtohandleresponsibility. F.SoonIfoundmyselflookingmorebeautifulthaneverbefore. G.WatchingmymoneygrowwasmorerewardingthananythingIcouldhavebought. 1. 2. 3. 4. 5.
设变量xy满足约束条件则z=x﹣y的取值范围为
Yourhousemayhaveaneffectonyourfigure.Expertssaythewayyoudesignyourhomecouldplayaroleinwhetheryoupackonthepoundsorkeepthemoff.Youcanmakeyourenvironmentworkforyouinsteadofagainstyou.Herearesomewaystoturnyourhomeintopartofdietplan. Openthecurtainsandturnupthelights.Darkenvironmentsaremorelikelytoencourageovereatingforpeopleareoftenlessself﹣consciouswhenthey'reinpoorlylitplaces﹣andsomorelikelytoeatlotsoffood.Ifyourhomedoesn'thaveenoughwindowlightgetmorelampsandfloodtheplacewithbrightness. Mindthecolors.Researchsuggestswarmcolorsfuelourappetites胃口.Inonestudypeoplewhoatemealsinablueroomconsumed消耗33percentlessthanthoseinayelloworredroom.Warmcolorslikeyellowmakefoodappearmoreappetizingwhilecoldcolorsmakeusfeellesshungry.Sowhenit'stimetorepaintgoblue. Don'tforgettheclock﹣﹣﹣ortheradio.Peoplewhoeatslowlytendtoconsumeabout70fewercalories卡路里permealthanthosewhorushthroughtheirmeals.Beginkeepingtrackofthetimeandtrytomakedinnerlastatleast30minutes.Andwhileyou'reatitactuallysitdowntoeat.Ifyouneedsomehelpslowingdownturnonrelaxingmusic.Itmakesyoulesslikelytorushthroughameal. Downsizethedishes.Bigservingbowlsandplatescaneasilymakeusfat.Weeatabout22percentmorewhenusinga12﹣inchplateinsteadofa10﹣inchplate.Whenwechoosealargespoonoverasmalleronetotalintake摄入jumpsby14percent.Andwe'llpourabout30percentmoreliquidintoashortwideglassthanatallskinnyglass. 25.Thetextisespeciallyhelpfulforthosewhocareabout. A.theirhomecomforts B.theirbodyshape C.housebuying D.healthydiets 26.Ahomeenvironmentinbluecanhelppeople. A.digestfoodbetter B.regaintheirappetites C.burnmorecalories D.reducefoodintake 27.Whatarepeopleadvisedtodoatmealtimes? A.Fatquickly. B.Playfastmusic. C.Usesmallerspoons. D.Turndownthelights. 28.Whatcanbeasuitabletitleforthetest? A.IsYourHouseMakingYouFat? B.WaysofServingDinner C.EffectsofSelf﹣Consciousness D.IsYourHomeEnvironmentRelaxing?
ChooseYourOne﹣DayTours TourA﹣Bath&StonchengeincludingentrancefeestotheancientRomanbathroomsandStonehenge﹣£until26Marchand£39thereafter. Visitthecitywithover2000yearsofhistoryandBathAbbeytheRoyalCrescentandtheCostumeMuseum.Stonehengeisoneoftheworld'smostfamousprehistoricmonumentsdatingbackover5000years. TourB﹣Oxford&StratfordincludingentrancefeestotheUniversityStMary'sChurchTowerandAnneHathaway'shouse一32until12Marchand36thereafter. OxfordIncludesaguidedofEngland'soldestuniversitycityandcolleges.Lookoverthecityofdreamingspires尖顶formStMary'sChurchTower.StratfordIncludesaguidedtourexploringmuchoftheShakespearewonder. TourC﹣WindsorCastle&HamptonCourtincludingentrancefeestoHamptonCourtPalace﹣﹣£34untilMarchand£37thereafter. IncludesaguidedtourofWindsorandHamptonCourtHenryMill'sfavouritepalace.FreetimetovisitWindsorCastleentrancefeesnotincluded.With500yearsofhistoryHamptonCourtwasoncethehomeoffourKingsandoneQueen.Nowthisformerroyalpalaceisopentothepublicasamajortouristattraction.Visitthepalaceanditsvarioushistoricgardenswhichincludethefamousmaze迷宫whereitiseasytogetlost! TourD﹣CambridgeincludingentrancefeestotheTowerofSaintMarytheGreat﹣£33.until18Marchand£37thereafter. IncludesaguidedtourofCambridgethefamousuniversitytownandthegardensofthe18thcentury. 33.WhichtourwillyouchooseifyouwanttoseeEngland'soldestuniversitycity? A.TourAB.TourBC.TourCD.TourD 34.Whichofthefollowingtourschargesthelowestfeeon17March? A.WindsorCastle&HamptonCourt. B.Oxford&Stratford C.Bath&Stonehenge. D.Cambridge. 35.WhyisHamptonCourtamajortouristattraction? A.Itusedtobethehomeofroyalfamilies. B.Itusedtobeawell﹣knownmaze C.ItistheoldestpalaceinBritain D.Itisaworld﹣famouscastle.
函数y=中自变量x的取值范围是
JeanDriscollcangofasterinherwheelchairthantheworld'sbestmarathoners马拉松运动员canrun! InAprilJeanfinishedtheBostonMarathonin1hour34minutes22seconds.That'sabout33minutesfasterthanthewinningmalerunner!Shecompetedonthetracktoo.Shewassecondinthe800meterwheelchairraceatthe1992Olympics. Jeandoesn'tliketobetoldshe'sbrave.I'minsportsbecauseI'macompetitiveperson!Jeanwasbornwithspinabefida脊柱裂abirthillnessthatdamagesthespine脊椎.Shebegantouseawheelchairtogetaroundinhighschool.Thenshetriedwheelchairraceandwasamazed.PlayerscrashedintoeachotherandfelloutoftheirchairsshesaysItwasfun. Jeantriedotherwheelchairsports.AttheUniversityofIllinoisherwheelchairbasketballteamwontwonationaltitles. NowJeancoachesandteaches.Shetriestogetpeopletosetgoals.WhenIsignmyautograph亲笔签名saysJeanIwritedreambigandworkhard. 1.WhatmadeJeantakepartinsports? A.Shewasbrave. B.Shewascompetitive. C.Shewasstrong. D.Shewasdisabled. 2.Whatkindofeducationdidshereceive? A.Highschool. B.Juniormiddleschool. C.Higheducation. D.Primaryschool. 3.WhatisJean'sadviceonhowtosucceed? A.Workhard. B.Hopeforthebest. C.Dreamalot. D.Havegreatwishesandworkhard.
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已知一种有机物X仅含有CH两种元素不易降解会造成环境污染.某小组用三种培养基筛选土壤中能高效降解X的细菌目标菌. Ⅰ号培养基在牛肉膏蛋白胨培养基中加入X5g/L. Ⅱ号培养基氯化钠5g/L硝酸铵3g/L其他无机盐适量X15g/L. Ⅲ号培养基氯化钠5g/L硝酸铵3g/L其他无机盐适量X45g/L. 回答下列问题. 1在Ⅰ号培养基中为微生物提供氮源的是.ⅡⅢ号培养基中为微生物提供碳源的有机物是. 2若将土壤悬浮液接种在Ⅱ号液体培养基中培养一段时间后不能降解X的细菌比例会其原因是. 3Ⅱ号培养基加入琼脂后可以制成固体培养基若要以该固体培养基培养目标菌并对菌落进行计数接种时应采用的方法是. 4假设从Ⅲ号培养基中得到了能高效降解X的细菌且该菌能将X代谢为丙酮酸则在有氧条件下丙酮酸可为该菌的生长提供和.
在△ABC中sinA﹣B=sinC﹣sinBD是边BC的一个三等分点靠近点B记. 1求A的大小 2当t取最大值时求tan∠ACD的值.
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