首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
如图，正方形OABC的边长为6，A，C分别位于x轴、y轴上，点P在AB上，CP交OB于点Q，函数y＝的图象经过点Q，若S△BPQ＝S△OQC，则k的值为 ．
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
如图四边形OABC是边长为1的正方形OC与x轴正半轴的夹角为15°点B在抛物线y=ax2a＜0的图象
如图在平面直角坐标系中边长为2的正方形OABC的两边OAOC分别在x轴y轴的正半轴上矩形OPMQ的顶
如图在平面直角坐标系中四边形OABC是边长为2的正方形顶点A.C分别在xy轴的正半轴上.点Q在对角线
如图四边形OABC是矩形ADEF是正方形点A.D在x轴的正半轴上点C在y轴的正半轴上点F在AB上点B
如图已知四边形OABC为正方形边长为6点A.C.分别在x轴y轴的正半轴上点D.在OA上且点D.的坐标
如图四边形OABC是矩形ADEF是正方形点AD在x轴的正半轴上点C在y轴的正半轴上点F在AB上点B
在平面直角坐标系中边长为3的正方形OABC的两顶点A.C.分别在y轴x轴的正半轴上点O.在原点.现将
如图四边形OABC是边长为1的正方形OC与x轴正半轴的夹角为15°点B.在抛物线y=ax2a＜0的图
.如图四边形OABC是矩形ADEF是正方形点A.D.在x轴的正半轴上点C.在y轴的正半轴上点F.在A
如图四边形OABC是矩形ADEF是正方形点A.D.在x轴的正半轴点C.在y轴的正半轴上点F.再AB上
如图四边形OABC是矩形ADEF是正方形点A.D.在x轴的正半轴上点C.在y轴的正半轴上点F.在AB
在平面直角坐标系中边长为2的正方形OABC的两顶点A.C.分别在y轴x轴的正半轴上点O.在原点.现将
在平面直角坐标中边长为2的正方形OABC的两顶点AC分别在y轴x轴的正半轴上点O在原点．现将正方形O
如图26－Y.－3四边形OABC是矩形四边形ADEF是正方形点A.D.在x轴的正半轴上点C.在y轴的
如图在平面直角坐标系中四边形OABC是边长为2的正方形顶点A.C.分别在xy轴的正半轴上.点Q.在对
如图四边形OABC是矩形ADEF是正方形点A.D.在x轴的正半轴上点C.在y轴的正半轴上点F.在AB
如图在平面直角坐标系中正方形OABC的边长是2.O.为坐标原点点A.在x的正半轴上点C.在y的正半轴
如图正方形ABCD位于第一象限边长为3点
在直线y=x上，点A.的横坐标为1，正方形ABCD的边分别平行于x轴、y轴.若双曲线y=
与正方形ABCD有公共点，则k的取值范围为（ ）
A.1＜k＜9
2≤k≤34
1≤k≤16
4≤k＜16
如图在平面直角坐标系中有一边长为1的正方形OABC边OAOC分别在x轴y轴上如果以对角线OB为边作第
如图在平面直角坐标系中有一边长为1的正方形OABC边OAOC分别在x轴y轴上如果以对角线OB为边作第
热门试题
更多
10分增加在缺词处加一个漏词符号并在此符号下面写出该加的词. 删除把多余的词用斜线\划掉 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1每处错误及其修改均仅限一词 2只允许修改10处多者从第11处起不计分 IaswellasmyparentsaregoingtoNewYorkCitythismonth.Ihadbeenlookingforwardtogoingthereforlongtime.Itisoneofthebeautifulcityallovertheworld.Thereare.manyplacesofinterestswhereyoucanlearnsomethingyoucanlearnitinschool.I'dalsoliketoseetheEmpireStateBuilding.UnfortunatelytheTwinTowersweredestroyedinSeptember112001andIwouldhavethechancetoseethembyhimself.NowIamgettingreadyfortheexcitedtrip.Iamsureitwillbeanunforgettableexperience.
8分WhileassistedlivingcentershavebeenavailableintheUnitedStatesformanyyearsthegrowthandavailabilityofassistedlivinghashadadramaticincreasesincetheearly1990s.Anassistedlivingcenterisaresidentialalternativethatpromotesmaximumindependenceforeachresidentthroughacombinationofsupportiveservicesandassistance.Thedefinitionofassistedlivingfromonestatetoanothermayvaryandsowillthecostandtypesofservices. Assistedlivingcentersvaryinsizestyleandtheoptionalservicestheymayoffer.SmallfamilystylelivingorthelargercomplexofunitscanbefoundintheUnitedStates.Somefacilitiesareoperatedbynonprofitorganizationswhileothersareproprietary.Inadditionsomefacilitiesmaybeco﹣locatedoraffiliated附属withahospitalornursingfacility. Anassistedlivingcenterisanyinstitutionresthomeboardinghomeplacebuildingoragencythatismaintainedandoperatedtoprovidepersonalcareandserviceswhichmeetsomeneedbeyondbasicprovisionoffoodshelterandlaundryinafreestandingphysicallyseparatefacilitywhichisnototherwiserequiredtobelicensed. Ingeneraltermsanassistedlivingcenterisrequiredtoprovideassistancewithdailylivingactivitiesincludingeatingbathingdressingandpersonalhygienethreemealsadaysupervision监督管理ofself﹣administrationofmedicationslaundryserviceincludingpersonallaundryhousekeepingand24﹣hourstaffing. 1Whatisanassistedlivingcenter? A.Ahotelthatservesmeals. B.Aplaceforchildrentobetakencareof. C.Anentertainmentplaceforadults. D.Aplacewhichgivessupportiveservicesandassistance. 2WhichofthefollowingisTRUE? A.Allassistedlivingcentersofferthesamekindsofservices. B.Allassistedlivingcenterscostthesame. C.TherearedifferentkindsofassistedlivingcentersintheUnitedStates. D.Allassistedlivingcentersareofthesamesize. 3Theunderlinedwordproprietaryinthesecondparagraphprobablymeans A.state﹣owned B.governmental C.ownedbyacharityorganization D.private 4What'sthebesttitleforthepassage? A.What'sanassistedlivingcenter? B.AssistedlivingcentersarepopularintheUnitedStates. C.Assistedlivingcentersoffergoodservices. D.Welcometotheassistedlivingcenter.
1分EverywhereyoucanseenewnewroadsandnewbuildingsinHangzhoubecauseoftheG20justheldatthebingingofthisSeptember. A.prediction B.agriculture C.pavements D.instruments
1分WhenthewomansawthathersonwasOKafterthecaraccidentshesaidWelldearyouarethemostimportantformenottheexpensivecar. A.inpeace B.indanger C.insurprise D.inrelief
30分Todaymobilephonesandcomputersareverypopular.Manypeopleusethemto1witheachother.Byusingamobilephoneoracomputeryoucansendmessages2.quicklyandasoftenasyoulike.Nolongerisit3tofindapenorpaper4anenvelopeorastamp. Arewe5anythingbynotwritingactualletterstopeople?Istheexperienceof6suchlettersworththetroubleofwritingthem?MostpeoplewouldprobablyreplyNoitwasawasteof7anyway.Thisisamuchbettersystem.It'shardtoargueagainstsuchalogicalviewpoint.8Iwouldliketotry. I9thatthekindsofletterspeopleusedtowritetendedtobemore10thanthevastmajorityofthebillionsofemailsandtextmessagessenttoday.Ofcoursewhenitcomestosendingquickmessagesto11specificinformationemailsandtextmessagesarethebest.12timeisimportanttheyareparticularlyuseful.Ifhoweveryouwanttoreallyreachoutandtouchsomeonealetterismore13. Handwrittenlettersarethemostpersonal.Ifyoucantypefastyoucanfitalotintoan14.What'slackingisthatspecialsenseofthepersonthatcomesfromseeingherorhishandwriting.Aslongasit'slegible容易辨认的itdoesn'tmatterhow15itis.Whensomeonesitsdownand16justforyouyoufeelthatwhenyou'rereadingit. ThoughI'mateenagerIconfess承认thatItoofeel17toreceivealetterinthemail.Iloveseeingmy18writtenbyhandonanenvelope.Imakemyselfanicecupofcocoaorlemonadesitdownina19placeopenmyletterand20everythingthatthepersonputintothosewordsjustforme.Whatagift! 1A.play B.compare C.communicate D.deal 2A.politely B.proudly C.carefully D.easily 3A.necessary B.strange C.difficult D.curious 4A.exceptfor B.letalone C.alongwith D.insteadof 5A.changing B.achieving C.learning D.missing 6A.receiving B.collecting C.sending D.copying 7A.time B.space C.breath D.feeling 8A.Therefore B.Beside C.However D.Finally 9A.doubt B.believe C.predict D.imagine 10A.useful B.amusing C.meaningful D.cheerful 11A.seek B.convey C.find D.store 12A.Unless B.Until C.If D.Though 13A.personal B.formal C.direct D.interesting 14A.email B.book C.diary D.letter 15A.tidy B.large C.beautiful D.clear 16A.works B.thinks C.practices D.writes 17A.confident B.excited C.nervous D.surprised 18A.message B.address C.name D.idea 19A.crowded B.comfortable C.safe D.terrible 20A.explain B.remember C.understand D.enjoy
1分Greeceisoneofthe发源地oftheancientcivilazition
1分IamnotfondofmusicverymuchbutIdolikemusictheyaredancingto. A.不填不填 B.thethe C.the不填 D.不填the
1分Shehasbeenworkingharddayandnightwhichofcourseherpaleface. A.accountsfor B.standsfor C.goesfor D.answersfor
1分满怀希望地hesetoffforthesouthtomakefortune.
1分Heoftentakesan积极的partingroupdiscussion.
1分﹣WhatareyoudoingJohn?Whystop? ﹣Tobeonthesafesidewe'dfillupthetanknowforwerunoutofgasontheway. A.must B.will C.might D.should
1分Youngalthoughheishehasagoodknowledgeofcomputer.
10分Takinggoodnotesisatime﹣savingskillthatwillhelpyoutobecomeabetterstudentinseveralways.1.Secondyournotesareexcellentmaterialstorefertowhenyouarestudyingforatest.Thirdnote﹣takingoffersvarietytoyourstudytimeandhelpsyoutoholdyourinterest. Youwillwanttotakenotesduringclassroomdiscussionsandwhilereadingatextbookordoingresearchforareport.2.Wheneverorhoweveryoutakenoteskeepinmindthatnote﹣takingisaselectiveprocess.3.Thefollowingmethodsmayworkbestforyou. ●Readthetextquicklytofindthemainfactsandideasinit. ●Carefullyreadthetextandwatchforwordsthatcanshowmainpointsandsupportingfacts. ●Writeyournotesinyourownwords. ●4 ●Noteanyquestionsorideasyoumayhaveaboutwhatwassaidorwritten. Asyoutakenotesyoumaywanttouseyourownshorthand速记.Whenyoudobesurethatyouunderstandyoursymbolsandthatyouusethemallthetime.5 A.Usewordsnotcompletesentences. B.Therearethreepracticalnote﹣takingmethods. C.Youmustwriteyournotesonseparatepaper. D.Otherwiseyoumaynotbeabletoreadyournoteslater. E.youwillalsowanttodevelopyourownmethodfortakingnotes. F.Thatmeansyoumustfirstdecidewhatisimportantenoughtoincludeinyournotes. G.Firstthesimpleactofwritingsomethingdownmakesiteasierforyoutounderstandandrememberit.
1分Mr.Bakerinhisoldclotheswhilehiswifeaverybeautifulskirt. A.dressedwaswearing B.wasdressedwashavingon C.wasdressedwaswearing D.waswearingwasdressed
1分尽管他们面对许多困难他们从不放弃. Althoughtheymanydifficulitiestheynevergaveup.
8分Itgoeswithoutsayingthathumanintelligenceisveryadvancedasopposedtoplantsandotherlivingcreatures.People'scapacitytofullyunderstandreasonorganizesolveproblemsdisplayemotionalintelligencelearncommunicateandthinkabstractlyisout﹣standing.Itisbelievedtobemuchmoreemphasized强调nowadayswhenbrightfolksarenormallyonelevelhigherthaneveryoneelse. NowadaysmanypeopleareoftheviewthatahighintelligencequotientIQisanexcellentassistanceinpullingthroughlife.Statisticsrevealthatwhateveractivityenablingthebraintofunctionandoperatenomatterwhetherintheformofdifficultiesorotherobstaclesthatcanbeovercomebythisspecificbodyareahasapositiveeffectonit. Soeverytimeyouaremakingfulluseofyourmindforrightanswersinaquickcrosswordorifyouareansweringdifficultriddlesyoumightbeinfactraisingtheprobabilitiesofincreasingyourintelligence.YoucouldplayeffectivebraingameslikecrosswordschessriddlespuzzlesInternetgameswordgamesandothergames.Theseareusefulinraisingyourintelligenceprimarilybecausetheyletyouthinkinadifferentwayasyoumakeanefforttouncoveranswerstocertainproblems.Asidefromthisthisformofbraindrainingcontinuallyencouragesthebraintofunctionandwidenitscapacitytoconcentrateandlearn. Needlesstosayyou'vetomakesurethatyoumakethemostofthesebrainexercisesbynotcheatingyourself.Lastlyifyouprogresstoamuchmorecomplicatedleveltryyourbesttoanswerdifficultproblemswithnohintsorcluessothatyouareabletofurtherforceyourbraintoworkonitsown. 1Whatdoesthefirstparagraphmainlytalkabout? A.Thehighlevelofhumanintelligence. B.Thedifferencebetweenmankindandothercreatures. C.Thereasonsforemphasizinghumanintelligence. D.Thebenefitsofthinkingandotherbrainexercises. 2AccordingtotheauthormanypeopleincreasetheirIQinorderto. A.beonelevelhigherthanothers B.dealwithdifficultiesinlife C.playgamessuchasriddles D.enablethebraintofunction 3Accordingtothetextthroughcontinuousbraintrainingpeoplecan. A.learnacertainskillquickly B.becomeaconfidentperson C.communicatewithotherswell D.concentrateintheirclass 4Whatdoestheauthormainlyadviseinthetext? A.Makinggooduseofbrainexercisestoincreaseyourintelligence. B.Playingbraingamestopreventbraindisease. C.Solvingdifficultproblemsonyourown. D.GettingridofInternetgames.
1分要想通过考试我们应该埋头学习. Weshallourstudyifwewanttopasstheexam.
1分﹣Sorrysiryourcarisn'treadyyet.Itinthegarage. ﹣That'sallright. A.isrepaired B.isbeingrepaired C.hasn'trepaired D.hasbeenrepaired
1分The受到污染的airdoesgreatharmtopeople'shealth.
1分Thissingerisverywithyoungpeoplewholikehisvoiceandstyle. A.familiar B.popular C.particular D.similar
1分政府应该采取措施保护环境. Governmentshouldprotectenvironment.
10分Advertisements广告areseeneverywhereinourdailylife. Thewordadvertisingreferstoanykindofpublicannouncementthatbringsproductsandservicestotheattentionofpeople.Throughouthistoryadvertisinghasbeenaneffectivewaytopromote促进thetradingandsellingofgoods.IntheMiddleAgesmerchantsemployedtowncrierstoreadthepublicmessagesaloudtopromotetheirgoods.Whenprintingwasinventedinthefifteenthcenturypagesofadvertisementsadscouldbeprintedeasilyandwereeitherhunginpublicplacesorputinbooks. Bytheendoftheseventeenthcenturywhennewspaperswerebeginningtobereadbymorepeopleprintedmaterialsbecameanimportantwaytopromoteproductsandservices.TheLondonGazettewasthefirstnewspapertosetasideaplacejustforadvertising.Thiswassosuccessfulthatbytheendofthecenturyseveralcompaniesstartedbusinessesforthepurposeofmakingnewspaperadsformerchants. Advertisingspreadquicklythroughouttheeighteenthcentury.Adwriterswerestartingtopaymoreattentiontothedesignoftheadtext.Everythingfromclothestodrinkswaspromotedwithclevermethodssuchasreceptionofthefirm'snameorproductwordsorganizedineye﹣catchingpatternstheuseofprettypicturesandexpressionseasytoremember. Neartheendofthenineteenthcenturycompaniesthatweredevotedtotheproductionofadscametobeknownasadvertisingagencies广告商.Theagenciesdevelopednewwaystogetpeopletothinkofthemselvesasmembersofagroup.Throughoutthetwentiethcenturyadvertisingagenciespromotedconsumerism消费主义asawayoflifespreadingthebeliefthatpeoplecouldbehappyonlyiftheyboughttherightproducts. 1Whatkindofadvertisingappearedinthe1400s? A.Merchantswereemployedtopromotetheirgoods. B.Allproductinformationwasincludedinbooks. C.Peopleheardadvertisementsshouted. D.Peoplecouldreadadvertisementsinpublicplaces. 2Whatcanweinferfromthepassage? A.Inthebeginningpeopledidnotreadadvertisements. B.Inthefifteenthcenturyonlyprintingformofadvertisingexisted. C.Newspapersarealsocalledadvertisingagencies. D.Printingadvertisementsarethelatestformofadvertising. 3WhatcanyoulearnaboutLondonGazette? A.Itwasanadvertisingagency. B.Itwasanewspaperhadspecialplaceforadvertising. C.ItwasthefirstadvertisementinLondon. D.Itwasanewwayoflife. 4Whichofthefollowingmightbethebesttitleforthepassage. A.TheImportanceofNewspaperAdvertisements. B.TheValueofDesignsinAdvertising. C.TheStoryofPrintedAdvertisements. D.TheDevelopmentofAdvertisement.
15分DearJack It'salongtimesinceIlastwrotetoyou.ImissyousomuchthatIdreamedof1seeyouseveraltimes.InmydreamIsawyoubecomeaherowithalotofmedals2attachtoyourpocketbecauseyoustartedaprogramtoprotectrareanimalsthatarein3ofdyingout.Ireallyadmireyou.You'reagifted有天赋的personbrought4inaveryhappyfamily.Youshow5curiousaboutallthesubjectswearelearning.In6youare7confidentthanme. TheChinesetraditionalMid﹣AutumnFestivaliscoming.It'sapityIcan'tenjoyalotofdeliciousfoodincludingthemooncakesbecauseI'mtoofatandIwanttoloose8.Youcan'timaginehowfatIamnow.Youwillburstout9laughwhenyouseeme.ButI'mstillhappybecauseI'mneversensitive10thetopicofbeingfat! Bestwishes! Yours Leo
1分Thecoupleboughtsomefashionablefurnituresfortheirnewhouse.
1分我在法国时偶尔学会了一些法语. IsomeFrenchwhenIwasinFrance.
8分 King'sCollegeSummerSchool King'sCollegeSummerSchoolisanannual每年的trainingprogramforhighschoolstudentsatalllevelswhowanttoimprovetheirEnglish.CoursesaregivenbytheteachersofKing'sCollegeandothercollegesinNewYork.Tripstomuseumsandculturecentersarealsoorganized.Thisyear'ssummerschoolwillbefromJuly25toAugust15. Moreinformationisasfollows 1Youcanmostprobablyreadthetextin. A.anewspaper B.atravelguide C.atextbook D.atelephonebook 2WhichofthefollowingistrueaboutKing'sCollegeSummerSchool? A.Onlytopstudentscantakepartintheprogram. B.King'sCollegeSummerSchoolisruneveryotheryear. C.Visitstomuseumsandculturecentersarepartoftheprogram. D.OnlytheteachersofKing'sCollegegivecourses. 3IfyouaretolivewithyourrelativesinNewYorkyouwillhavetopaytheschool. A.﹩200 B.﹩400 C.﹩500 D.﹩900 4Whatinformationcanyougetfromthetext? A.Theprogramwilllasttwomonths. B.YoucanwritetoThompsononlyinEnglish. C.AsaChinesestudentyoucansendyourapplicationonJuly142007. D.Youcangetintouchwiththeschoolbye﹣mailorbytelephone.
1分你觉得这部电影怎么样? doyouthefilm?
6分Anoldladyinaplanehadablanket毯子overherheadandshedidnotwanttotakeitoff.TheairhostessspoketoherbuttheoldladysaidIhaveneverbeeninaplanebeforeandIamfrightened.Iamgoingtokeepthisblanketovermyheaduntilwearebackonthegroundagain! Thenthecaptaincame.HesaidMadamIamthecaptainofthisplane.Theweatherisfinetherearenocloudsintheskyandeverythingisgoingverywell.Butshecontinuedtohide. Sothecaptainturnedandstartedtogoback.ThentheoldladylookedoutfromundertheblanketwithoneeyeandsaidIamsorryyoungmanbutIdon'tlikeplanesandIamnevergoingtoflyagain.ButI'llsayonethingShecontinuedkindlyYouandyourwifekeepyourplaneveryclean! 1Anoldladyhad. A.ablanketoverherhead B.glasses C.acoat D.abasket 2Theoldladyhadneverbeenbefore. A.abroad B.home C.inhospital D.inaplane 3Thewomandidn'tlikeplanesandshewasnevergoing. A.totravel B.toflyagain C.togoabroad D.togohome
25分假定你是星光中学的李华将参加主题为Let'sRideBicycles的演讲比赛.请撰写一份演讲稿主要内容包括 1.目前汽车带来的空气污染和交通阻塞等问题 2.骑自行车的益处如节能环保有利健康等. 参考词汇低碳生活low﹣carbonlife节能energy﹣saving 注意1.词数100左右. 2.演讲稿开头和结尾已给出不计入总词数. Goodmorningeveryone IamLiHuafromXingguangMiddleSchool.ThetopicofmyspeechisLet'sRideBicycles. Thankyou.
7.5分I'mveryproudofmysonwhoisconsiderateandhasalovingheart. Whenmysonwas11yearsoldhegotasmalljobhelpingoutwithatravelingcarnivalinourtown.Hedidn'tcomehomeatlunchtimephoninginsteadtotellmehewasfineandhadfoundafewdays'workhelpingoutatanexhibit.Heturnedupforsupperasusualhoweverafterhefinishedwork. Iaskedhimhowhehadmanagedatlunchandhetoldmehehadmadesomenewfriendsatthecarnivalsomeyoungmenwhoweretwinbrothersandtheirmomanddad.Theyhadpaidhimafewdollarsandinvitedhimforlunchinreturnforhelpingthemsetuptheirexhibitandwantedhimtoreturnthenextdaytohelpwithotherchores杂务. Iwasgladhehadfoundnewfriendsbutalittleworriedaboutthetypeofpeoplewhomightbetravelinginacarnival.OhMomthesearejustnormaleverydaypeoplelikeanyoneelse.Theyjustworkatacarnivalinsteadofinastoreorsomething.Comedowntomorrowandmeetthemyourselfhesaid. SothenextdayIwenttothecarnivalandtotheexhibithehaddirectedmeto.ThetwinbrothersturnedouttobeSiamese连体的twinsjoinedatthechest.Hehadn'tthoughtthisfactwasnoteworthyenoughtomention.WhenIbroughtittohimhesaidYesInoticedthattoo.Doyouknowthattheirmomhastomakealltheirclothesbecauseit'ssodifficulttofindanythingtofitthem?They'realsoreallygoodcooks.TodayJoetheoneontherightmademespaghetti意大利面条forlunch. Whatothersseefirstinapersonisnotwhatachildconsidersimportant.WhereIsawSiamesetwinshesawpeoplehavingdifficultybuyingclothesthatfitandyoungmenwhoweregoodcooks.ItwasalessonIhavethoughtaboutmanytimesovertheyears. 1Fromthesecondparagraphweknowthat. A.Theauthor'ssonusuallywenthometohavesupper B.Theauthor'ssoncouldmakealivingbyhelpingattheexhibit C.Theauthor'ssondislikedmeetinghisparentsathome D.Theauthor'ssonwasgoodatcommunicatingwithothers 2Theauthorwasworriedaboutthenewfriendshersonmadebecause. A.shefearedthepeopleatthecarnivalwerenotfriendlytoherson B.hersonsimplybelievedinstrangers C.shethoughtpeopletravelinginacarnivalwerenotsoreliable D.thecarnivalwassuitableforchildren 3Bytellingthestorytheauthortriestotellus A.one'sappearanceisveryimportant. B.It'snevertoolatetolearn. C.Weshouldnotworryaboutourchildren D.Childrenlookatpeopleinadifferentway.
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
高一上学期物理
与正方形ABCD有公共点，则k的取值范围为（ ） 
A.1＜k＜9 2≤k≤34 1≤k≤16 4≤k＜16
湘公网安备 43130202000226号