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,点P是反比例函数y=(k≠0)的图象上任意一点,过点P作PM⊥x轴,垂足为M.若△POM的面积等于2,则k的值等于( )
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
如图过y轴上任意一点p作x轴的平行线分别与反比例函数y=-和y=的图象交于A.点和B.点.若C.为x
如图26111正比例函数y=x的图象与反比例函数y=k≠0在第一象限的图象交于A.点过A.点作x
在平面直角坐标系中点A﹣34关于y轴的对称点为点B连接AB反比例函数y=x>0的图象经过点B过点B作
如图过x轴上任意一点P.作y轴的平行线分别与反比例函数y=x>0y=﹣x>0的图象交于A.点和B.点
如图点
是反比例函数y=
(x>0)的图象上任意一点,AB∥x轴交反比例函数y=-
的 图象于点
,以AB为边作□ABCD,其中
D.在x轴上,则S.
□
ABCD
为( ) A.2B.3C.4
5
如图反比例函数y=x>0的图象与一次函数y=3x的图象相交于点A.其横坐标为2.1求k的值2点B.为
对于反比例函数y=k≠0下列所给的四个结论中正确的是
若点(3,6)在其图象上,则(﹣3,6)也在其图象上
当k>0时,y随x的增大而减小
过图象上任一点P.作x轴、y轴的线,垂足分别A.B.,则矩形OAPB的面积为k
反比例函数的图象关于直线y=﹣x成轴对称
如图反比例函数图象在第一象限的分支上有一点C13过点C的直线y=kx+b〔k<0〕与x轴交于点A.1
如图点
是反比例函数y=(>0)的图象上任意一点,AB∥x轴交反比例函数y=-的图象于点
,以AB为边作平行四边形ABCD,其中
,
在x轴上,则平行四边形ABCD的面积为( )
A.2 B.3 C.4 D.5
如图在平面直角坐标系xOy中一次函数y=3x+2的图象与y轴交于点A.与反比例函数y=k≠0在第一象
如图反比例函数y=k≠0x>0的图象与直线y=3x相交于点C.过直线上点A.13作AB⊥x轴于点B.
如图点A.是反比例函数图象上的一点过点A.分别向x轴y轴作垂线若矩形ABOC的面积为3则这个反比例函
对于反比例函数y=k≠0下列所给的四个结论中正确的是
若点(3,6)在其图象上,则(﹣3,6)也在其图象上
当k>0时,y随x的增大而减小
过图象上任一点P.作x轴、y轴的线,垂足分别A.B.,则矩形OAPB的面积为k
反比例函数的图象关于直线y=﹣x成轴对称
如图直线y=2x与反比例函数y=k≠0x>0的图像交于点A.1a点B.是此反比例函数图形上任意一点不
如图过y轴上任意一点P.作x轴的平行线分别与反比例函数的图象交于
点和
点,若
为x轴上任意一点,连接AC,BC,则△ABC的面积为( )
A.3B.4C.5
6
如图已知反比例函数的图象经过点A.-21一次函数y2=kx+bk≠0的图象经过点C.03与点A.且与
一个反比例函数在第二象限的图象如图所示点A.是图象上任意一点AM⊥x轴垂足为MO是原点.如果△AOM
如图所示过y轴正半轴上的任意一点P作x轴的平行线分别与反比例函数的图象交于点A和点B若点C是x轴上任
在平面直角坐标系中点A.﹣34关于y轴的对称点为点B.连接AB反比例函数y=x>0的图象经过点B.过
如图四边形ABCD是平行四边形点A.10B.31C.33.反比例函数y=x>0的图象经过点D.点P.
热门试题
更多
JENISONPUBLICSCHOOLS PartTimeEnrollment HomeSchoolElectiveCourses Grades1﹣12 JenisonInternationalAcademyisexcitedtoofferonlinenonessentialcoursestointernationalstudents.Kindlyviewtheonlineelectiveoptionsaswellastheenrollmentprocessbelow.TheapplicationwindowforparttimeenrollmentswillcloseonFridayDecember302016. OnlineCoursesOfferedGrades1﹣12 ElectiveOpportunities PleaseclicktoviewourElectiveCourseOfferings. PartTimeEnrollmentatJIA Studentsparticipatingintheprogramareallowedtoenrollinupto4electivecourseseachsemesterandhavetheoptiontotake100%oftheircoursesonlineorcreateaschedulecombinationofonlineandon﹣campuscoursesatJenisonPublicSchoolswhichmayalsoincludeTechCenterCo﹣opandotherqualifiedprograms. StudentApplicationProcess STEP1:OnlinePreparation PleasereviewthefollowingInteractiveOnlineReadinessCriteria.Pleasekeepthisformforyourownrecords. OnlineReadinessCriteria STEP2:SubmitForms&Documentation BycompletingthePartTimeEnrollmentApplicationapplicantsarefulfillingtheVirtualLearningandDistrict﹣RequiredDocumentation. PrintedApplication ParentsorguardianscandownloadprintandcompletetheJIAEnrollmentpaperwork&JPSDistrictApplication.Mailscanorfaxallcompletedpaperworkusingthecontactinformationprovidedonthefirstpage. PrintedApplication AdditionalRequiredDocumentationcanbefoundwithintheenrollmentpacket. Anemailwillbesenttotheparentorguardianemailaccountwhenacompletedapplicationhasbeenreceived.Uponreviewandapprovalawelcomemessageandcourseselectionemailwillbeissuedtothesameaddress. 1Thecoursesaredesignedfor. A.high﹣levelstudentswhoarestudyinginJenisonPublicSchools B.internationalstudentswhoseparentsworkinJenisonPublicSchools C.foreignstudentswhocan'tstudyfulltimeinJenisonInternationalAcademy D.graduatestudentswhowantapart﹣timejobinJenisonInternationalAcademy 2Togetenrolledoneshould. A.preparebothonlineandoffline B.printtheOnlineReadinessCriteria C.contactJIAinpersonbeforehand D.emailtheJ1AEnrollmentpaperwork 3Whatcanbelearnedfromthewebpage? A.TheenrollmentshouldbeappliedonDecember302016. B.Theparentorguardianneedstohaveanemailaccount. C.Thestudentsneedtostudyatleast8courseseachyear. D.Thecoursescanonlybelearnedonline.
8分Whenthinkingofboutiques精品店weoftenimaginejewelryandclothingshopsthatwomenfrequent.Butarethereboutiquesformen?Yes!Nestled坐落于intheHualongMountainareaofHsinchuCountyliesamen'sboutique.Thatis25KevinLosalesmanageratMusclecarGTdescribesthiscompany26reproduceshigh﹣qualitypartsforclassiccars.Theaveragecustomersare40﹣to65﹣year﹣oldmenfromaroundtheworld. Findingsparepartsis27bigproblemforcollectorsofclassiccars.Butthiscompanycanhelpcollectorsovercomethischallengebecausetheydealwithcarsbuiltfrom1932to1974. UsingreverseengineeringMusclecarGTbuildsacopyofeachcar.Whenmakingacartheyaskthattheoriginalcarbeshippedtothem28checkandrepaired.Afterwardtheydoa3﹣Dscanofthecartofindmissedflaws.Molds模具oftheparts29developandnecessarymachineryfortheproductionlineismade.Theedgesofthemachinesarehandscannedsonofaultswilloccuronthefinalproduct. Skilledworkersareneededfortheentireproductionprocess.KnowingthatonlyolderworkershadtheneededskillsownerLoHsiuhsienthen30encouragethemtoteachyoungpeoplewhattheyknew.Theseyoungemployeeswhoareenthusiasticaboutcarsknowthatqualitycomesfirst. Peoplecanorderfurnitureordecorationsfortheirrestaurantstogivethema1950sdinerfeeling.Theycanalsohavecouchesortablesintheirhousesmadefromclassiccarparts.Thoseinterestedingettingafeelfor31thisislikecaneasilyfinditatLoSirClassicCarManornearBeiPu.Visitorscanstopby32acupofcoffeeorlunchandviewsomeoftheclassiccars.
如图在平面直角坐标系中反比例函数y=x>0的图象与正比例函数y=kxy=xk>1的图象分别交于点AB.若∠AOB=45°则△AOB的面积是.
2分面对越来越严重的__许多国家决意联手铲除__组织.determine.
你是否赞成为贫困学生设立一项基金?approve
DirectionsMatter Jerlag时差感maybetheworstpartoftravellingandithitsmanypeoplehardertravellingeastthanwest.Whytheyfeelthiswayis1butscientistsrecentlydevelopedanewmodelthatprovidesanexplanationforthemysteryandinsightsonrecoveringfromjetlag. Themodelimitatesthewayneuronaloscillatorcells神经振子细胞2crossingtime zones.Thesecellsinourbrains3ourbiologicaldocks.Howeverthecellsdon'tquiteoperateonaperfect24﹣hourschedule.Insteadtheiractivityfollowsa4thatlastsslightlylongerthanthatabout24.5hours.AccordingtoMichelleGirvananassociateprofessorofphysicsattheUniversityofMarylandandaco﹣authorofthestudythatmeansit's5forustoextendthelengthofaday﹣forexamplebyflyingwestacrosstimezones﹣thantoshortenthedaybyflyingeast. Thescientistsfoundthatfor6travelapersonwhocrossedthreetimezoneswouldfully 7inalittlelessthanfourdays.Forsixtimezonesrecoverywouldtakeaboutsixdays.Forninetimezonestherecoverywouldtakejustlessthaneightdays. Howeverwhenapersontravelseastwardtherecoverytimedoesn'tmatchupas8.Whenapersoncrossesthreetimezonesgoingeastittakesalittlemorethanfourdaystorecover.Forsixtimezonestherecoverytime9tomorethaneightdays.Andforninetimezonestherecoveryperiodismorethan12days. Girvannotedthatnoteveryonehasabiologicalclockofexactly24.5hours.10itvaries frompersontoperson.Theotherfactortoconsideris11cuessuchassunlightGirvanadded.Howapersonreactstothesecuescanalso12howquicklyheorshewilladjusttoanewtimezone. Thescientistshopethattheirnewmodelcanbeusedinthefuturetofigureoutthebestwaysto13jetlag.Forexampleifyouwillbetravelingsixtimezoneseastwardstartbysettingyourclockaheadanhourortwoseveraldaysbeforeyouleave.Andwhenyouarriveinanewtimezonemakesurethattheoutsidecuesyouareexposedto14thenewtimezone.Thatmeansthatifit'sdaytimeinthenewtimezoneexposeyourselftosunlight.Andifit'snighttimeavoidartificial15includingthosefromsmartphonesandcomputerstohelpyourbiologicalclockadjust. 1A.incredible B.apparent C.surprising D.unclear 2A.copewith B.accountfor C.respondto D.resultin 3A.kick B.watch C.stop D.regulate 4A.cycle B.routine C.process D.pattern 5A.safer B.easier C.moredangerous D.moredifficult 6A.eastward B.southward C.westward D.northward 7A.adjust B.understand C.prepare D.change 8A.relatively B.nicely C.classically D.awkwardly 9A.reduces B.jumps C.contributes D.leads 10A.Moreover B.Otherwise C.However D.Rather 11A.external B.verbal C.social D.chemical 12A.promote B.emphasize C.impact D.orient 13A.form B.endure C.shelter D.beat 14A.specify B.match C.shift D.destroy 15A.lights B.barriers C.flavours D.sounds
10分 Ayoungcouplemovedtoanapartment.Onthefirstmorningintheirnewhomethewifelooked1thewindowandwatchedherneighbor2sheetsouttodry.Whatdirtysheets!shethoughtto3.MaybeIshouldgoandteachherto4themproperly.Everyfewdaysshesaidthe5thingtoherhusbandwhilewatchingher6hangingoutthedirtysheetsintheearlymorninglight. Amonthpassedandonedaythewifewas7toseethatherneighborwashangingoutperfectlycleansheets.She8toherhusbandLook!She9learnedtodoherwashing!ThehusbandrepliedWellinrealitydarlingIgotupearlythismorningand10thewindow.
1分﹣Couldyoutellmewewillgototheconcerttomorrow? ﹣Bybus. A.whether B.why C.how D.when
25分请根据以下要点以MyBestFriend为题写一篇英语短文. 1.简要描述你的朋友外貌特征性格等 2.简述你们是如何成为好朋友的. 注意: 1.词数:80﹣100 2.不能透露个人真实姓名学校等信息.
那个专门研究家庭教育的教授将受邀给这些家长做讲座.expert
30分Weareuniquefamilytwowhiteparentsadoptingabrownsonandablackdaughterbothwithspecialneeds.Whenwegoouttogetherwestandout. Thiswasoneofthosetiringdays.Wewerereadytogohomefromshoppinghurriedand1.Myhusbandwaspushingthecartasfastashecouldtoleavethestorebeforethesituationgot2.Sweatwas3onmyforeheadcausedinpartbymyembarrassmentbut4fromrunningthroughTraderJoe'swith18﹣poundArsemafastenedtomychestandMaretoscreamingbehindme.Ifeltlikeahotmess. Irushedtogettothecar.5hopingthatnoonewaslookingatustoocloselywhenavoicebehindme6mysteps.Ma'am!Shecalledout.Istoppedand7tofindayoungwomanwithabrightsmile8herfacerunningtowardme.RecognizinghershirtIrealizedthatshe9inthestoreandassumedImusthavedroppedsomething.Ilookedather.10mytearswaiting.Ijustwantedyoutohavethisbouquet…andIlookeddowntoseetheflowersinherhands.SheexplainedIwas11asababyandithasbeenawonderfulthing.Weneedmore12likeyours.Istaredathershocked.Didn'tsheseethatIwasafailureasamother13abletokeepthefamilytogether?Ijustwanttohidefarawayfromthe14stares.AsshehandedmetheflowersImanagedto15outathankyou.She16myshoulderandthenwalkedbackintothestore. Mystepsweremuchslower17Iheadedtothecarwithtears.OnadaywhenIhopednoonenoticedusshedid.Butshedidn'tseewhatIassumed18wasseeing.Shesawbeautyhopeandlove.IwishIhadthoughttogethernamecouldgobackandtellhertwoyearslaterwhather19continuestomeantometoday.Tothebeautifulyoungwoman…thankyoufromthebottomofmyheart.Youarea20. 1A.amazed B.delighted C.discouraged D.inspired 2A.worse B.better C.normal D.dangerous 3A.disappearing B.forming C.moving D.growing 4A.practically B.previously C.nearly D.mostly 5A.frightenedly B.excitedly C.sincerely D.cautiously 6A.slowed B.accelerated C.adjusted D.followed 7A.continued B.hesitated C.turned D.attempted 8A.covering B.shadowing C.climbing D.twisting 9A.passed B.played C.lived D.worked 10A.puttingaway B.squeezingout C.holdingback D.bringingin 11A.adopted B.abandoned C.delivered D.educated 12A.customers B.families C.neighbours D.friends 13A.barely B.desperately C.merely D.joyfully 14A.helpless B.envious C.friendly D.curious 15A.take B.make C.choke D.figure 16A.touched B.patted C.struck D.shook 17A.as B.because C.after D.before 18A.everyone B.anyone C.someone D.noone 19A.wisdom B.rudeness C.gift D.request 20A.guide B.treasure C.beauty D.failure
8分TheelevatorofthefuturemaybejustoverthehorizonthankstoGermancompanyThyssenKrupp.Thefirmhasinventedacable﹣freeelevatorcalledMULTIthatcangoupanddownliketraditionalliftsbutthemagneticmotorsallowittogoside﹣to﹣sidetoo.Thedesignerspredictthatthistechnologycouldincreasethecarryingcapacityofexistingarchitecturebyasmuchas50%.Plusitlooksreallyneat. ThyssenKruppplanstouselight﹣weightmaterialstobuilditselevatorearsofthefutureandthelackofacablewinch钢缆绞车willreduceweightaswell.Theearswouldn'tjustmoveupanddownastheydonowbutwouldinsteadgoinacirclethatallowsmorecarstoslipinfightbehindthenext.Theresultisthatyoumightonlyhavetowait10secondsforthenextonetoarriveratherthanwaitfortheoneyoujustmissedtocomebackdown. ThetechnologybackingThyssenKrupp'sMULTIelevatorisverysimilartomagneticlevitation磁悬浮systemsusedinhigh﹣speedtrains.Eachcarhastwomagneticmotors﹣oneforverticalmovementandanotherforhorizontal.Thissystemcanalsodeliverpowertothecar'sinternallightingandelectronicswithoutusingwires. Atraditionalcabledrivenelevatorhasmechanicalcomponentsthatcanholdthecarinplaceintheeventofapower﹣off.ThyssenKruppdidn'tgointodetailaboutsafetymeasuresinitsannouncementbutit'ssafetosaythemagneticlevitationelevatorwillhavesomesortofsystemtoholditinplaceifthelightsgoout.ThyssenKruppisworkingonatesttowerthatwillbeusedtodeveloptheMULTIintoarearelevatortechnology.Thisshouldbeupandrunningby2016butitwillprobablytakeatleastafewmoreyearsbeforeyougettoclimbinsideamagneticelevatorcar. 1Whatdoestheunderlinedphraseoverthehorizonmean? A.Abovesealevel. B.Ontheway. C.Onthemarket. D.Outofsight. 2MULTIisdesignedto. A.saveenergy B.carrymorepassengers C.runmuchfaster D.beneatandcomfortable 3ThekeytechnologyaboutMULTIisits. A.cablewinch B.magneticmotor C.wirelesselectronics D.lightingmaterial 4Whatcanbelearnedfromthelastparagraph? A.MULTIwillsellwell. B.MULTIhastoworkonatower. C.MULTIwillbeputintousein2016. D.MULTIhasasafetysystemincaseofpower﹣off.
10分 Whenyoungpeoplebegintoliveindependentlyhome﹣huntingcaninvolvesomestress.Buttheywoulddowelltorememberthatanew41isavailable﹣﹣micro﹣homes. Calledtinyhousesthesehouseshavealllivingnecessitiesinasmall42includingkitchenbedroomandbathroom.Generallyunder50squaremetersmosttinyhousesaccommodatejustoneortwopeoplethoughsomeclaimthespaceformore.What'slostinsizeisnotlostindesignasthesehomesareoftenquiteuniqueandmodernindesign. Besidesanattractiveappearancetinyhousescanalsoboast43practicalfeatures.Makingthebestofurbanspacethe72﹣to122﹣centimeter﹣wideKeretHouseinWarsawtheworld'snarrowesthomefilledinacorridor.Theprototype原型homeEcocapsuleusessolarpowerwindpowerandrainwatercollectiontoenableitsownertolive44anywhere.AsystemofrailsallowstheDALEmicro﹣hometoadjustroomsizeandnumberaswellasaddingtheoptionofanopenor45courtyard. Visually46asmicro﹣homesarethereareafewdrawbackstoconsiderbeforegettingcomfortableonamini﹣couch.Movingintoatinyhouserequiresthe47ofmostnon﹣essentialsnomattertheemotionalconnectiontothem.Guestswillalsomostlybeoutofthequestionasthe48spacemayevencauseanunaccompaniedindividualtoexperiencesomecabinfever.Andfinallyamicro﹣homeislikelyan49livingoptionformostpeoplesincetheywillprobablystartfamiliesandacquiremorepossessions. Thoughthelimitationswillscaresomethereisusuallyabenefit.Asmallsizeresultsinasmallpricetagandsmallbillsmakingtinyhouseseasiertosaveupforandbudget.Andthoughyouwon'thavemuchstuffaroundthehousethiscanprovidethecomfortofsimplelivingandmaintenance.Micro﹣homesarealsopracticallymobileandboasteco﹣friendlinessthatcan'tbe50byotherhomes.Theyprobablyaren'tforeveryoneorforeverbutwhenitcomestoyournextorfirsthometheycouldbejustwhatyouneed.
计算题 1先化简再求值﹣m﹣n÷m2其中m﹣n=. 2计算2sin30°﹣π﹣0+|﹣1|+﹣1
8分Youknowthefeelingsofoperatingonautopilotrunningfromonemeetingtothenext﹣﹣orskippingfromoneemaildistractiontoanother. Beforeyouknowitthemonthhaspassedtheseasonhaschangedandyou'releftscratchingyourheadwonderinghowtobringmeaningbacktoyourcareerandlife. KoryKogonFranklinCoveyproductivityexpertandco﹣authorofThe5ChoicestoExtraordinaryProductivitysaystheproblemiswidespread.Infactaninternationalsix﹣yearstudybyFranklinCoveyfoundthat40percentofrespondentsindicatedtheyspent40percentoftheirtimeonthingsthatwerenotimportanttothemortotheircompanies. Basedonthetimelessprinciplesofhumanproductivityandbackedbythelatestneuroscience神经系统科学researchKogon'sco﹣authoredbookaimstohelppeopleincreaseproductivityatworkandintheirpersonallivesbymakingwisechoicesonadailybasis. OurattentionisunderattackandpeoplefeeloverburdenedlikeneverbeforeKogonsays. Kogonsaystheconditionisthatpeoplelivewiththeeffectsofaproductivityparadox悖论.Technologyhasleftindividualsfeelingoverburdenedwiththenumberofdecisionstheymustmakeduringthedaythenumberoftasksthatrequiretheirattentionandthedrainoftheirpersonalenergy. AdamMerrilanotherco﹣authorofThe5Choicessaysthatthebookresearchmadehimmuchmoreawareofhowthesechallengesmakeharmfulimpactonindividuals. YoucanseethecostofthisonourdailylivesonourrelationshipsthathavenotbeencultivatedandonourgoalsthathavenotbeenmetMerrilsays.Peoplewastetimeattentionandenergyonthingsthatdon'tdrivethemostimportantresults. Beforejumpingintothespecificchoicesit'simportanttonotethatthebookbuildsontheFranklinCoveyprinciplesoftimemanagementspecificallytheideaoffittingactivitiesintoquadrants象限basedonwhat'surgentnoturgentimportantandnotimportant. Quadrant2thehomeofactivitiesthatareimportantbutnoturgentisseenastheplaceofextraordinaryproductivity.Kogonsaysit'sinthisquadrantthatyoucanfocusondoingproactive积极主动的workachievinghigh﹣impactgoalscreativethinkingplanningrelationshipbuildingandlearning. Unliketheotherquadrantswherethingscomeatyouyouhavetoconsciouslychoosetobeinquadrant2shenotes. Buttogetthereyoumustlearntorewireyourbrainwhichhasbecomeaccustomedtorespondingtotheurgentandfeelingthatdopamine多巴胺high.Kogonsaysthatthelatestbrainscienceshowsthatindividualscanovercomeurgencyaddictionbytakingtimetopauseandconsiderwhat'sactuallyimportant. Thestrategywhichtheauthorscallpause﹣clarify﹣decideputsemphasisonthedifferencebetweenthereactivebrainandthethinkingbrain. Whenyoucanpauselongenoughtoaskyourselfifsomethingisimportantyoucanclarifyanddecidewhatwillgiveyouthebestreturnoneverymomentofyourday. 74.Theexpressionscratchyourheadinthesecondparagraphrefersto. A.seizeyourheadfirmly B.strikeyourheadviolently C.thinkhardaboutsomething D.recallsomethinginthepast 75.AccordingtothepassagewhatisthebookThe5Choicesbasedon? A.ThetheoryofExtraordinaryProductivity. B.Thelatestscienceresearch. C.Theeffectsofaproductivityparadox. D.Principlesoftimemanagement. 76.Thebesttitleforthepassageis. A.MakeTimeforWhatMatters B.TheFunctionsofThe5Choices C.FourQuadrantsofTimeManagement D.TheAspectstoAffectProductivity 77.Whatcanbeinferredfromthepassage? A.Exceptthingsinquadrant2otherthingsneedtobedoneimmediately. B.Itshouldbeimportancenoturgencythatguidesyourworkflow. C.Agoodwaytoovercomeurgencyadditionistotakeyourtime. D.Thestrategypause﹣clarify﹣decidefocusesonreactivebrain.
1分Ifyouwishyoucomeinandhaveacupofteawithusanytime. A.would B.should C.must D.may
1分IinvitedJoeandLindatodinnerbutofthemcame. A.neither B.either C.none D.both
分式方程﹣=0的解是.
6分 1TogotoBettyandJack'spartyyoucancall. A.3421525 B.3422691 C.87809519 D.3427350 2Ifyouwanttofindateachingjobyoucanwriteto. A.betty12@foxmail.com B.mikegreen@hotmail.com C.smith15@hotmail.com D.sis2015@foxmail.com 3HowlongdoesSmith'sBookClubstayopeneveryday? A.For6hours. B.For8hours. C.For10hours. D.For12hours.
8分LocatedinnorthernManitobaonthewestsideofHudsonBayChurchillisoutinthemiddleofnowhere.Butpolarbearslikeitthatway.Theyspendsummersonthetundra苔原aroundChurchill.InthefalltheywaitanxiouslyalongtheshoreofHudsonBayfortheicetoform.Thentheygooutontothefrozenseatohuntringedseals﹣﹣theirfavoritefood.OctoberandNovemberarethebestpolar﹣bearviewingtimes.FromtundravehiclesvisitorstoChurchillobservethebears.Someenjoydaytripsorstayovernightonlargetundravehiclesthathaveprivatecabinsandeatingfacilities.Othersstayatawildernesslodgeonthebears'migrationroutetoviewthevigorouscreatures.Theselodgescanbereachedonlybyairandfeatureluxuryfoodandlivingarrangements. DespitethelargenumberofpolarbearsthatvisitChurchilleachyearthereisgrowingconcernabouttheanimals'future.Becausetheearthisgettingwarmertheiceformslaterintheyearnowanddisappearssoonerinthespring.Asaresultpolarbearshavelesstimetohuntforseals.Polarbearscanalsofindsmalleranimalsbirdeggsandberriesonlandbutthiskindoffoodisnotsufficienttosupporttheanimals. Polarbearsarealsoaffectedbyplasticandchemicalsthatgetintotheocean.AresearchprojectcarriedoutinnorthernEuropehasfoundhighconcentrationsofbothplasticandchemicalsinthetissueofpolarbears.Thesematerialsandsubstancescandamagetheanimals'internalorgansespeciallywhentheanimalsarenotyetmature.Manypeopleareresearchingpolarbearhealth.Theirgoalistogathertheinformationthatisneededtohelpsavetheseanimals. 66.WhatdoesthisarticleimplyaboutChurchill? A.It'slocatedinaveryremotearea. B.It'sattractingfewertouristsnow. C.It'ssurroundedbysmallertowns. D.It'sdependentontheoilindustry. 67.Whatdoesthisarticleexplainaboutpolarbears? A.Thewaysinwhichtheythreatenpeople B.Themostimportantelementsoftheirdiets C.Thematingbehaviorthattheyexhibit D.Thetimeofyearwhentheygivebirth 68.Howisthepolarbears'sealwinterhuntingseasonchanging? A.It'sstartingearlier. B.It'sbecomingcolder. C.It'sfinishinglater. D.It'sgettingshorter. 69.Whatcanwelearnaboutpolarbearsfromthisarticle? A.Howtheyavoidtrafficaccidents B.Howtheylearngoodhabitsfromoneanother C.Howthey'reendangeredbypollution D.Howtheyfindahidingplaceduringbadweather.
如图某塔观光层的最外沿点E为蹦极项目的起跳点.已知点E离塔的中轴线AB的距离OE为10米塔高AB为123米AB垂直地面BC在地面C处测得点E的仰角α=45°从点C沿CB方向前行40米到达D点在D处测得塔尖A的仰角β=60°求点E离地面的高度EF.结果精确到1米参考数据≈1.4≈1.7
1分﹣Doyouknowtheladyistalkingtoourheadmaster? ﹣YessheisournewEnglishteacher. A.who B.whom C.which D.what
A.AspecialvalueisplacedoneducationinAsiawheretutoringisviewedasanextensionoftheschoolday. B.Childrendon'tseemtomindthattheyhaveatutor. C.Diagnostictestscanhelptakeintoaccounttheareasofstudyneedingspecialreviewandemphasis. D.Anotherreasonforthegrowthinbusinessisparentalfrustrationandtheirpackedschedules. E.Childrenworkcooperativelywiththeirprivatetutors. F.Norisitaimedonlyatlower﹣achievingstudents. TutoringaNewNormal It'snotpianolessonsordancelessons.Nowadaysthebiggestextra﹣curricularactivityintheWestisgoingtoatutor.Ispendabout800Canadiandollarsamonthontutors.It'scostlysaysPetamotherinCanada.Howeversheaddsafterfindingouthalfmydaughter'sclasshadtutorsIfeltlikemychildwasgoingtofallbehindbecauseeveryoneelseseemedtobeahead. Shelleyamotherofthreealsohastutorsconstantlycominginandoutofherhome.WhenIusedtositdownwithmychildrenitwashardtogetthemfocused.Iwasalwaysshouting.WhenIgotatutoronceaweektheybecamefocusedforoneentirehourandcouldgetmostoftheirhomeworkdone. Tutoringisn'tsimplyaprivateschoolphenomenon.1InCanadaalonesevenpercentofhighschoolstudentsreportedusingatutorin2010.Thatincreasedto15percentlastyear. Overallparentshiretutorsbecausetheyareworriedschoolsarenotmeetingtheirexpectationsbutthereisalsoaculturalshift.2AsalargenumberofAsiansemigratedtotheWestovertherecentyearstheirattitudestowardseducationhavehadanimpact. 3Alotofparentsjustdon'thavetimetohelptheirchildrenwithhomeworksaysJulieDiamondpresidentofanAmericantutoringcompany.Otherscouldn'thelptheirchildrenafterGrade3. Therehasbeenashiftintheattitudestoo.Childrenusedtogetbullied欺侮forhavingatutor Diamondsays.Nowit'sbecomingthenormtohaveone. 4Oneparentfeelssurprisedthatsomanyofherchild'sclassmateshavetutors.Fortheamountwepayintuitiontheyshouldhaveasmuchextrahelpastheyneedshesays.Stillshe'snowthinkingofgettingatutor.Why?Herdaughterhasactuallyaskedforone.
8分Helsinkiisofferingyoungpeoplethechancetorentacheapapartmentinanoldpeople'shomeiftheyagreetospendtimesocializingwiththeelderlyresidents. Thecitycouncilisseekingapplicationsfromrentersundertheageof25whowillcommittospendingbetweenthreeandfivehourseachweekwiththeirolderneighboursatacarehomeintheeasternLaajasalodistrict.Inexchangethey'llgetastudioflatmeasuring23squaremeterswithaprivatekitchenbathroomandbalconyfor250eurospermonth. Currentlyonlythreeflatsareavailablebuttheschemeispartofawiderefforttodealwithalackofaccommodationforyoungpeopleinthecapital.Ordinarilyastudiocostsabout600eurosamonthdependingontheareaonelocaluniversityadvises. Thosewhoapplydon'tneedanyspecificcareexperience.TherearestafftolookaftertheelderlyprojectmanagerMikiMielonentellsYle.Wearelookingforyoungpeoplewhomaybehaveadifferentperspectiveoneverydaylifewhowillbringvarietyandrecreationtotheelderlyresidents. Morethan60peoplehaveappliedforthespacesinlessthanaweekandtheideahasalsobeenwidelyrecognizedbyFinnsonsocialmedia.GreatprojecthopefullyitwillspreadtootherareaswritesonepersononFacebookwhileanotherapplaudstheschemeforbringingdifferentgenerationstogether. Butsomewishitwereopentomorepeoplewithoneusersaying:It'sashamethattheflatsaresosmall.Itwouldhavebeenniceiftheelderlyhadasmallfamilywithchildrenorasingleparentastheirneighbour.Andonepersonhasadifferentopinionaboutthecut﹣offagewriting:WhatashameI'mtoooldforthis﹣Iwouldhavesurelyapplied. 1Onecanprobablygetthecheapapartmentifhe. A.reachestheageof25 B.hasfinancialproblems C.promisestoaccompanytheelderly D.agreestoshareit 2Whyisthenewrentschemeaccepted? A.Itcanbenefitboththeyoungandtheold. B.Itdoesn'tneedanyprofessionaltraining. C.Theflatsarewell﹣equipped. D.Bigapartmentsareinshortsupply. 3Whatdoestheunderlinedsentencesuggest? A.Hedoesn'twanttogrowup. B.Hehasachancetoapplyagain. C.Hedisapprovesoftheagelimit. D.Heappliesfortheflatwithouthesitation. 4Whatwouldbethebesttitleofthetext? A.YoungFinnsofferedcheapflatsatacarehome B.Newapartmentsdesignedfortheelderly C.Anewapproachtocaringfortheold D.Agoodchancefortheneedyfamilies
1分Wewillgoonanoutingtomorrowitdoesn'train. A.until B.while C.unless D.if
不等式组的最小整数解是.
SuspendedCoffee Howaboutbuyingacupofcoffeeforsomeoneyou'llnevermeet? TheideabeguninNaplesItalyandcalledSuspendedCoffee一i.e.acustomerpaysforacoffeeandbanksitforsomeone1fortunate﹣hasbecomeaninternationalinternetsensation轰动withcoffeeshopsinEuropeandNorthAmerica2participateinthemovement.TheFacebookpagealonehasmorethan28000likes. Thetraditionofsuspendedcoffeeisalong﹣standingtraditioninItaly3increasedinpopularityaftertheSecondWorldWar.RecentlythepracticewasstartingtotakeholdinotherEuropeancountries4hithardeconomically. HomegrownHamiltonacoffeechainofCanadahasdecidedtojointheeffort.It'safantasticinitiative5wedecidedtohelpout.Wehadbeendoingitprettymuchanywayjustnotunderabanner.DuringthewinterweweregivingawaycoffeeorsouptothehomelesssaidmanagerMikePattisonStaffmembersarealwaysclosetothecoffeehouse'frontdoorand6theyseesomeonewalkingbywholooksliketheywantacoffeebutcan'taffordittheyapproachthatperson.Iftheoffer7accepttheyprovidethecoffee. Howevernoteveryonesupportstheidea. InapostingonthewebsiteConsumeristcolumnistLauraNorthrupraises8numberof objectionsincludingthatcoffeeisn'tnutritiousfoodforpeoplewhoarehungryand9the actioncouldresultingreedypeopleakingadvantageofothers'kindness.Hesayspeople10 considerotherwaystohelp.
2分只有自己愿意投身其中你才能做好你正在做的事情.Only.
2分许多人喜欢用手机记录下给他们留下深刻印象的动人瞬间.impress.
10分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.错误涉及一个单词的增加删除或修政 增加:在缺词处加一个漏字符号∧并在下面写出该加的词. 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处多者从笫11处起不计分. Lifeisanmysteryandwewillneverknowthatwhatiswaitingforus.Butonethingisforsure:problemsareunavoidable.Forusit'stheprocessofsolvingproblemsthathelpusgrow. Makeaspeechusedtobeabigproblemforme.WithastrongaccentandterriblypronunciationIfailedinspeechcompetitionmanytimesbutldidn'tholdback.InthecontraryIconsidereditagoodchanceformetoimprovemyself.Irecordedmyspeechlisteningtoitandcorrectedmypronunciation.NowI'mconfidentenoughtogivemybestspeechtoyoua11. Mydearfriendsdon'tafraidofproblemsbuttakeadvantageofittobethebestofourselves!
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