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已知函数.若∀x1∈[1,2],∃x2∈[-1,1],使f(x1)≥g(x2),则实数m的取值范围是 .
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高一下学期数学《》真题及答案
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已知函数fx=x2-cosx对于上的任意x1x2有如下条件①x1>x2③|x1|>x2其中能使fx1
已知函数fx的定义域为R且对任意的实数x导函数f’x满足0<f’x<2且f’x≠1.常数c1为
一个关系模式为YX1X2X3X4假定该关系存在函数依赖X1X2→X3X2→X4则该关系的码为____
X1
X2
(X1,X2)
(X1,X2,X3,X4)
说明阅读下列程序段并回答问题在每小题提供的若干可选答案中挑选一个正确答案 【程序】
3
4
5
6
已知fx=axa>1gx=bxb>1当fx1=gx2=2时有x1>x2则ab的大小
a=b
a>b
a
不能确定
已知函数fx的定义域为R且对任意的实数x导函数f′x满足01若对任意的闭区间[ab]R总存在x0∈
给定程序中函数fun的功能是根据形参i的值返回某个函数的值当调用正确时程序输出x1=5.000000
一个关系模式为YX1X2X3X4假定该关系存在如下函数依赖X1x2→X3X2→X4则该关系的码为
X1
X2
(X1,X2)
(X1,X2,X3,X4)
设x1x2为y=fx的定义域内的任意两个变量有以下几个命题①x1-x2[fx1-fx2]>0②x1-
在平面直角坐标系中已知一次函数y=﹣2x+1的图象经过P.1x1y1P.2x2y2两点若x1<x2则
对任意的实数x1x2若满足|x1-c1|
说明阅读下列程序段并回答问题在每小题提供的若干可选答案中挑选一个正确答案 【程序】
1
2
3
4
若函数fx满足对于任意x1x2>0都有fx1>0fx2>0且fx1+fx2
一个关系模式为YX1X2X3X4假定该关系存在如下函数依赖X1X2→X3X2→x4则该关系的码为__
X1
X2
(X1,X2)
(X1,X2,X3,X4)
已知函数fxx∈R满足fx=f2-x若函数y=|x2-2x-3|与y=fx图像的交点为x1y1x2
m
2m
4m
说明阅读下列程序段并回答问题在每小题提供的若干可选答案中挑选一个正确答案 【程序】
3
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已知函数其中a∈R..1若0
设函数fx=xn+bx+cn∈N+bc∈R.1设n≥2b=1c=-1证明:fx在区间1内存在唯一零点
说明阅读下列程序段并回答问题在每小题提供的若干可选答案中挑选一个正确答案 【程序】
1
2
3
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给出以下命题:①函数fx=|log2x2|既无最大值也无最小值;②函数fx=|x2-2x-3|的图象
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TheothernightIhadtogotoameetingwhichlastedpastmydaughter'sbedtime.I1homeandwasbrushingmyteethwhenI2andthereonthebathroommirrorwasanoteinthe3ofaheart.ItsaidHiMom!ILoveYou.Laurel.4Icutaheartoutofapieceofpaperandpasted贴an5nexttoherssayingILoveYoutooLaurel.LoveMomwhichshe6thenextmorning. Ourfamilyhas7thatbyintegrating互相writingintoour8activitieswebecomemorethoughtfulofeachother.Meanwhileourdaughterislearningtoenjoywritingandbecomingan9writer. WhileteachinginaprimaryschoolI10howinfluentialparentscanbeaschildrenlearntowrite.11whenourdaughterfirstbegantoscribble乱涂Ibecame12byherwork.Iofferedpraiseforher13forIfoundthatscribblingisfarmorecomplexandimportantthanIhad14.Itwasobviousthatherscribbles15beinglovelyartobjectsshowedalotabouther16oftheworldofwriting. Graduallyourfamilybeganwritingagreatdeal.IsensedthatwritinghelpedLaurellearn17toread.Asamatteroffactby18myownchildandherfriendsandbyreadingprofessionalbooksIbecamemoreandmore19abouthowwritingdevelopsandhow20canhelpchildrenbecomeeagerwriters. 1A.left B.returned C.missed D.headed 2A.turnedup B.turneddown C.lookedup D.lookedon 3A.size B.shade C.model D.shape 4A.Immediately B.Suddenly C.Finally D.Usually 5A.picture B.article C.note D.page 6A.felt B.wrote C.read D.heard 7A.found B.imagined C.dreamed D.doubted 8A.boring B.useful C.daily D.personal 9A.important B.ordinary C.poor D.skilled 10A.learned B.regarded C.considered D.discussed 11A.Yet B.Though C.But D.So 12A.disappointed B.attracted C.puzzled D.worried 13A.effects B.efforts C.suggestions D.methods 14A.cared B.insisted C.realized D.proved 15A.besides B.farfrom C.insteadof D.lessthan 16A.arguments B.fear C.understanding D.dislikes 17A.when B.how C.what D.whether 18A.noticing B.discovering C.checking D.observing 19A.particular B.clear C.anxious D.crazy 20A.teachers B.friends C.books D.parents
Ifyoufindyourselflosingthemotivationtodoyourhomeworkyouarenotalone.36Ifyouwanttogetgoodgradesofcourseyoumustdoyourhomework.Here'showtofindthemotivation 37Ifyouaretootiredyou'lljustwanttowatchtelevisioninsteadofthinkingaboutyourhomework.Plusyou'llhaveamucheasiertimerememberingwhatyou'vereadifyouareenergetic. Turnoffthedistractions分散注意力的事.Turnoffthemusicandtelevision.Ifyoudon'tneedyourcomputerortheInternetforyourhomeworkturnitoffaswell.Makesureyourstudyareaisfreefromdistractions.38 Startrightaway.Doingyourhomeworkrightafteryougethomecankeepyoufromfallingintothetrapofendlesshoursofdistractions.39AlthoughitmaynotbepopulartodoyourhomeworkonaFridaynightyou'llhavetherestoftheweekendfree. Createaschedule.40Planoutwhenyouwilldoeachpartoftheassignment.Splitthemintosmallpartssothatyoucanfeelgoodaboutcompletingeachpart.Itcanbemucheasiertodealwithabigassignmentorprojectonceyou'vesplititintomanageablepieces. Homeworkcanbeboringbutit'sanecessaryevilifyouwanttopassyourclasses.Onceyoumakeaplantofinishyourhomeworksticktoit. A.Getenoughrest. B.Gatheryourmaterials. C.Writeallofyourassignmentsonachecklist. D.Manystudentsdelayindoingtheirhomework. E.You'lleasilygetdistractedandavoidfinishingyourhomework. F.Plusthematerialyou'velearnedwillstillbefreshinyourmind. G.You'llbeabletofinishyourhomeworkmuchfasterifyoucanfocusonit.
已知q∀x∈[﹣11]x2﹣ax﹣2<0则p是q成立的
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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.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 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. DearAbby Howareyou?TodayI'vegotawonderfulnewstotellyou.IhaveofferedascholarshipatauniversityinAustraliaformyfurthereducation.OnehundredandtwentystudentstookexamforitbutonlyafewwaschosenandIwasoneofthem.Howevermyparentsarenothappyaboutit.Theyarestrongagainstmegoingthere.TheysayitistoofarawaythattheywillnotseemeforawholeyearandtheyareafraidofIwillfeellonely.Theycan'timagineagirlsoyounglivealone.Theyaskmestudyinthecapitalinstead.ThenI'llbeabletocontinuelivingwiththem.HowcanIpersuadethemtoacceptthefactIhavegrownup? Bestwishes Jane.
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阅读下面材料在题后空白处填入适当的内容每空一词或括号内单词的正确形式. Itis2years61wehadacleaningladyandforsomereasonmyhusbandhasbecomeverydemandingtowardher.Hebelievesshedoesnotworkaswellassheusedto.Hecomplainsalotandhasdecidedtocomplaintoher.YesterdayItriedseveral62timetodiscusswithhimmy63satisfywithherworkbuthewasalittlebitupset.ThismorningIlookedatthehouseandallthecleaningshe64dobefore.Ithoughtitwasunfairtocomplainbecauseshewasdoingsuch65greatjob.SoIfoughtforheragain66sayitwasunnecessarytocomplain.Shewasdoingwellandshedeservedtoget67paymoreandtoreceivesomeextramoneyforthenewyear.And68finalmyhusbandtoldherthatwehaddecidedtopayhermore69wasasurprisetoher. I'mveryhappyIhaveprotectedthisladyfromunfairwordsandthatwearetreatingherfairlynowanddoingsomethingtoshortenthegap70therichandthepoor.
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WelcometoTheMetropolitanMuseumofArt TheMetwhichisshortforTheMetropolitanMuseumofArtpresentsover5000yearsofartfromaroundtheworldforeveryonetoexperienceandenjoy.MillionsofpeopletakepartinTheMetexperienceonlineoroffline. Sinceitwasfoundedin1870TheMethasalwaystriedtobemorethanastoreroomofrareandbeautifulobjects.EverydayartcomesaliveintheMuseum'sgalleriesandthroughitsexhibitionsandeventsrevealing显示bothnewideasandunexpectedconnectionsacrosstimeandacrosscultures. Notes I.HowcanIobtainpermissiontofilmorphotographatTheMetropolitanMuseumofArt? Pleasee﹣mailadetailedrequesttocommunications@metmuseum.org. II.HowcanIobtainsuitableimagestoreproduceinamagazinenewspaperorwebsite? ToviewandrequestpressimagesfortheMuseum'scurrentandupcomingexhibitionsandnewsstoriesabouttheMetpleasesigninorregisterforapressaccountinthePressImagessectionoftheonlinePressRoom. III.AllotherimagerequestsshouldbedirectedtoArtResourcethroughitswebsitehttp://www.artres.combytelephoneat212﹣505﹣8700ore﹣mailatruests@artres.co.YoumayalsosubmityourrequestusingtheImageRequestFormavailableontheMet'swebsite. IV.IfyouhaveanyotherquestionspleasecontacttheMuseum'sDigitalDepartment DigitalDepartment TheMetropolitanMuseumofArt 1000FifthAvenue NewYorkNewYork10028﹣0198 Telephone212﹣650﹣2550 E﹣mailprivacypolicy@metmuseum.orp 21.Whattypeofwritingisthistext? A.Abusinessguide.B.Anadvertisement.C.Aresearchreport.D.Anartsurvey. 22.WhatcanwelearnabouttheMetfromthetext? A.TheMethasahistoryof5000years. B.TheMetstopscollectingartsrightnow. C.PeoplestartedtovisittheMetonlinetobuyobjects. D.PeoplecannottakeaphotowithoutthepermissionoftheMet. 23.Whatshouldyoudoifyouwanttohaveimagesusedforamagazine? A.Telephoneat212﹣505﹣8700. B.ContacttheMuseum'sDigitalDepartment. C.WriteanapplicationattheonlinePressRoom. D.E﹣mailtocommunications@metmuseum.org.
Theworld'sfirstSkyPoolhasbeenuncoated曝光﹣andit'llgiveanyoneatouchofdizziness眩晕unlessheorsheisnotbotheredbyheights. Situatedinthecapital'snewriversidedistrictbesideBatterseaPowerStationtheglasspoolhanging10storeysor110feetupasabridgebetweentwoapartmentbuildingsis25mlong5mwideand3mdeepwithawaterdepthof1.2m.Swimmerswillbeabletolookdown35meterstothestreetbelowastheytakeadipwithonly20cmofglassbetweenthemandtheoutsideworld.It'sevengotabarfoldingchairsandanorangegarden. ThepoolwillbepartofEmbassyGardensatNineElmsahuge£15billionbuildingprojectbesidethenewAmericanEmbassyinsouth﹣westLondon.Theprojectiscreatingthousandsofapartmentsthesmallestofwhichareexpectedtocostnearly$1millionandthepoolwillonlybeopentotheapartments'owners. EmbassyGardenstakesdesigninspirationfromtheMeatpackingDistrictofNewYorkwithfloortoceilingwindowsandbrickfrontages.ThedesignerSeanMulryandesiredtopushtheboundariesinthecapabilityofconstructionandengineeringanddosomethingthathadneverbeendonebefore.TheSkyPool'stransparentstructureistheresultofsignificantadvancementsintechnologiesoverthelastdecade. TheexperienceofthepoolwillbetrulyuniqueanditwillfeellikefloatingthroughtheairincentralLondon. ThosepeopleluckyenoughtoswimtherewillhaveaperfectviewofthePalaceofWestminsterandtheLondonEye.Itwillbeasellingpointfordeveloperswhenthesecondstageofthedevelopmentisreleasedtomarket. 28.WhocanswimintheSkyPool? A.AnyoneatNineElms. B.VisitorstoLondon. C.PeoplelivinginEmbassyGardens. D.Thosewhoarenotterrifiedofheights. 29.PeopleluckyenoughtoswimintheSkyPoolcandothefollowingexcept. A.drinkingwithfriends B.experiencingdivingandsurfing C.appreciatingtheLondonEye D.sittingintheorangegarden 30.Whatdoweknowfromthetext? A.ThepoolliesinthecentreofLondon. B.Thepoolis25metresabovetheground. C.ThepoolwassimilartoNewYork'smodernconstructions. D.ThepoolishelpfulforsellingapartmentsinEmbassyGardens. 31.Wecaninferfromthetextthat. A.theapartmentsinEmbassyGardensarefairlyexpensive B.thenewAmericanEmbassyhasbeenmovedaway C.NineElmsisastreetinEmbassyGardens D.buildingthepoolisnotacomplexjob.
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AnorganizationEyeCare4Kidsisbringingmuch﹣neededeyecaretopoorkids.Itprovidesfreeeyeexaminationsforkidsfrompoorfamilies.FoundedbyJosephCarbonein2001theorganizationhashelpedaround100000childreninUtahandNevada. NowCecilSwyersabiomedicalengineerwhowasonceapoorchildhimselfisbringingthecharity'sservicestopoorstudentsinArizonasothatvisionimpairment视力受损doesn'tstandinthewayoftheireducation. EyeCare4Kidsisbringingeyecareandglassestofamiliesthatwouldn'thavethemeanstopayforthemsaidMarioVenturafromIsaacElementarySchoolDistrictthefirstschooldistrictinArizonatoreceiveitsservices. Goodvisionisimportanttoachild'slearningexperience.Accordingtoastudyupto80percentoflearninghappensthroughsightforchildrenbetween6and18yearsold.Withoutpropereyecareit'sdifficultforstudentstolearnbetterandsucceed. SwyersishopingthatbybringingtheorganizationtoArizonahe'llhelpalotmorestudents.Heteamedupwithtwootherorganizationstogetdoctorstovolunteertheirtimewiththegroup.UsingEyeCare4KidsmobileclinicSwyersvisitedAltaE.ButlerElementarySchoolandhasalreadyhelped40students. Theschoolwasgratefultoreceivetheeyecareespeciallysincetheservicescametothem.It'sisgreatforussaidAssistantPricipalCindyAlonso. SwyersishopingtobringEyeCare4Kids'servicestootherschoolsinthestate.Hesaidthathopefullyhisworkwillhaveapositiveeffectonstudents'futures.Ifwecanhelpstudentswhilethey'reyoungwecanmakeadifferenceintheirfutureshesaid. 1EyeCare4Kidshelpsstudentsby. A.givingthemsunglassesforfree B.offeringmoneytotheirfamilies C.examiningtheireyesforfree D.solvingtheirproblemsinstudy 2Whoisinchargeoftheorganization'sservicesinArizona? A.JosephCarbone. B.CecilSwyers. C.MarioVentura. D.CindyAlonso. 3Wheredostudentstakeaneyeexamination? A.Intheclassroom. B.Inthemobileclinic. C.Inthenearbyhospital. D.Intheplaceswherestudentslive. 4Whatwouldbethebesttitleforthetext? A.EyeCare4KidsWasFoundedbythePoor B.EyeCare4KidsDevelopsataFastSpeed C.EyeCare4KidsPoorKidsSucceed D.EyeCare4KidsFightsforBetterEducation
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阅读下面短文根据所给情节进行续写使之构成一个完整的故事.Lauriesatquietlyintheemptydressingroomattheice﹣skatingrink溜冰场.Shehadnotbeenskatinginanycompetitionsinceherleftkneewasbadlyinjuredinanaccidentsixmonthsago.AsshewaitedforherturntoskateLauriewasverynervous.Sheknewthattodaywasaveryimportantdayinhercomeback.'IfIcanwintoday'shethought'IcanskateintheWorldCupnextyearandthenmaybeIcanmakeittotheOlympics.'LauriewasjusttoldthatshehadatoughcompetitionthisyearagirlfromConnecticutnamedJinnyJordanwhowasreallystrongineverything.'Sheistheoneyouhavetobeatthisyear.'thecoachsaid.MinuteslaterthedoorswungopenandLauriesawayoungwomanwhowasaboutherownage.Theyoungwomandumpedsomeofherbelongingsontoachair.Thebagfelltothefloorwithathud.LauriefeltuncomfortableasshelookedatJinny.'Sothisismycompetition'thoughtLaurie.'BecauseofherImaylosetonight.''Thiscostumewasmymom'sidea'Jinnystaredtheconversationlookingdownatherredwhiteandblueskatingdress.'Ilooklikeaflag.'Lauriecouldn'tkeepfromsmiling.ShepointedtoJinny'sskatingbag.'Somestufffelloutofyourbag.'Lauriesaid.Jinnylookedattheclothingandequipmentthatlayscatteredonthefloor.Asshebegantogatherherbelongingsthedooropened.'Jinny'calledsomeone'You'dbettergivethetapeofyourmusictothesoundengineerrightaway.''IthoughtIgavehimmymusictapehalfanhourago'saidJinny.'Tellhimit'sthegreenboxwithmyinitials姓名的首字母writteninwhiteintheright﹣handcorner.''Heclaimsyounevergaveittohimandhe'sgettingangry.''ThenIdon'tknowwhatididwithit'saidJinnyhurryingout.Laurieknewthatmusicwasnearlyasimportanttotheprogramasskatingitself.Ifshelosthermusictapeshemightaswellforgetaboutskating.Lauriestoodupandwalkedtothechairtodoafewmorekneebends.注意1.所续写短文的词数应为150左右2.应使用5个以上短文中标有下划线的关键词3.续写部分分为两段每段的开头语已为你写好4.续写完成后请用下划线标出你所使用的关键词语.Paragraph1Suddenlyshesawsomethingsmallanddarkgreenbehindthelegofthedressingtable.____Paragraph2FeelingrelievedLaurieskatedquicklytothecenteroftherinkaftertheannouncerfinallycalledhername.____
LastspringIwasfortunatetobechosentoparticipateinanexchangestudyprogram.InmyapplicationletterIwascarefulto1howmuchIwantedtoseeFranceevidentlymyexcitementreallycamethroughinmywords.OnceI2thatIwasgoingallIcouldthinkaboutwasthefunofforeigntravelandmakingallsortsofnewand3friends.Whiletravelingwasinspiringandmeetingpeoplewas4nothingaboutmyterminFrancewaswhatI5. ThemomentIarrivedinParisIwas6byaniceFrenchcouplewhowouldbecomemyhostparents.Myentireexperiencewasjoyousandexciting7Ireceivedsomeshockingnewsfrommyprogramcoordinator协调人therehadbeenadeathinmyhostparents'extendedfamily.TheyhadtotraveloutsideFranceforseveralweeks.ThatafternoonIhadto8outofonefamily'shouseintoanother.TheexchangecoordinatortoldmeI'dhavea9thistimeandaskedwhetherIcouldshareabedroomwithanEnglishspeaker.Toavoidthetemptation__to10mynativelanguageIaskednottobe11withanEnglish﹣speakingroommate.WhenIgottomynewroomI12myselftomynewroommatePaoloaBrazilian巴西人thesameageasIwhomIwassurprisedtofindplayingoneofmyfavoriteCDS!Injustafewhoursweknewwe'dbegoodfriendsfortherestofthe13. IleftFrancewithmany14sowhenpeopleaskedmewhatmyfavoritepartofthetripwastheyarealways15tohearmetalkaboutmyBrazilianfriendPaoloandscoresofweekdaysinclassweeknightsonthetownandweekends16Franceweenjoyedtogether.Ilovehowpeople17seemsodifferentbutendupbeingso18.ThemostvaluablelessonIgainedfromstudyinginFrancewasn'tjusttorespecttheFrenchpeople19torespectallpeopleforyournextbestfriendcouldbejustacontinentaway.Iwouldrecommendanexchangeprogramtoanyonewhowantstoexperienceforeignculturesandgainmeaningful20. 1A.express B.discuss C.announce D.argue 2A.approved B.knew C.warned D.denied 3A.stubborn B.anxious C.interesting D.universal 4A.boring B.upsetting C.promising D.exciting 5A.doubted B.liked C.expected D.feared 6A.greeted B.witnessed C.sponsored D.supported 7A.when B.until C.since D.while 8A.move B.travel C.walk D.rush 9A.housekeeper B.leader C.colleague D.roommate 10A.learn B.appreciate C.speak D.master 11A.combined B.fitted C.involved D.placed 12A.added B.introduced C.devoted D.adapted 13A.term B.week C.month D.vocation 14A.presents B.suitcase C.stories D.dreams 15A.disturbed B.surprised C.embarrassed D.concerned 16A.analyzing B.investigating C.describing D.exploring 17A.can B.shall C.must D.need 18A.generous B.similar C.independent D.distant 19A.but B.and C.or D.so 20A.instructions B.data C.facts D.friendships
AirportExpress WiththeAirportExpressyouareneverfarfromtown.Thereisatrainevery10minutesreadytorushyoubetweentheairportandHongKongStationintheheartoftheshoppinganddowntowndistrictinabout24minutes.OrtraveltotheAsiaWorld﹣Expoinjust1minutefromtheairport. AirportExpressservicehours Mon.﹣Fri.550amto115am Sat.﹣Sun.500amto200am Tickets TherearethreetypesofticketfortravellingtoandfromtheAirportSingleJourneyRoundTripandSameDayReturn.SingleJourneyTicketandSameDayReturnTicketarevalid有效的ondayofissue发放.RoundTripTicketisvalidfor30daysfromdayofissue.YoucanalsousetheOctopusCardfortheAirportExpress.TheOctopusCardisanelectronicstore﹣valueticketanditcanbeusedonmostpublictransport.Thefarewillbededucted扣除fromthestoredvalueeachtimesoyoudonothavetocarryheavycoins.Thecardisvalidforthreeyearsaftervaluehasbeenadded. Traveltips •Childrenunder3travelforfree. •PassengerstravellingontheAirportExpressarenowabletowriteemailanddoonlinesearcheswithWi﹣Fiservice. •FormoreinformationaboutAirportExpresspleasevisitwww.hongkongairport.comorcall00852﹣21818888. 1WhatisgoodaboutaOctopusCard? A.Itsavesmoneyforitsusers. B.Itissoldineverystore. C.Itsvalidityisunlimited. D.Itavoidsitsuserscarryingcoins. 2WhatcanyouknowaboutAirportExpress? A.HongKongStationisjust1minutedistancefromtheairport. B.SingleJourneyTicketisacceptablefor30days. C.Childrenarefreeofchargefortickets. D.PassengerscansurftheInternetontheAirportExpress. 3Whatisthemainpurposeofthepassage? A.ToprovidesuggestionsabouttheAirportExpress. B.ToadvertisetheOctopusCard. C.ToinformreadersoftheAirportExpressservice. D.TointroducetheAirportExpressschedule.
MOOCsMassiveOpenOnlineCoursesarefreebutwithouttutoringandareopentoanyoneanywhereintheworld.Thecoursesareflexible﹣normallythreetofivehoursofstudyaweek﹣doneatanytimeshort5to10weeksandvideo﹣rich.Theyarealsoheavilydependentoncrowdsourcingyoucandiscussacoursewithfellowstudentsthroughonlineforumsdiscussionboardsandpeerreview.Studentsdon'thavetofinishthecoursespassassessmentsordoassignmentsbutiftheydotheygetacertificationofparticipation. TheOpenUniversitylaunchedFutureLearntheUK'sanswertoUSplatformssuchasCourseraEdXandUdacitywhichhavebeenofferingMOOCsfromtopUSuniversitiesforthepasttwoyears.Theresponsehasbeenincrediblewithmorethanthreemillionpeopleregisteringworldwide.Meanwhilein2012EdinburghUniversitybecamethefirstnon﹣USinstitutiontojoinCoursera'spartnershipcomprising13universities.Wealreadyrun50onlinemaster'sdegreessothiswasalogicalexpansionsaysProfessorJeffHaywoodEdinburgh'svice﹣principal.It'saninvestmentinteachingmethodsresearch.HowamIgoingtoteachintroductoryphilosophyto100000people?That'swhatIcalleducationalR&D.HeaddsIfyoulookahead10yearsyou'dexpectallstudentsgraduatingtohavetakensomeonlinecoursessoyou'vegottoresearchthat.OurMOOCsarenomoreincompetitionwithourdegreesthanalifelonglearningcoursebecausetheydon'tcarrycredits. CooperationiskeyHaywoodstresses.Itisfarbettertooffer20﹣30coursesinyourownareasofexpertise专门技能andletotherinstitutionsdolikewise.ProfessorMikeSharplesFutureLearn'sacademicleadgoesfurtherWe'vetiedtheelementsavailablebeforeintoapackageofcoursesofferedbyleadinguniversitiesworldwideonanewsoftwareplatformwithanewwayofpromotingitandalsoanewsocial﹣learningteachingmethod.Youwon'tjustreceiveanexambutbeabletodiscussandmarkeachother'sassignments. BathUniversityoneofmorethan20universitiesworkingwithFutureLearnlaunchesitsfirstcourseInsideCancernextJanuaryandregardsMOOCsasawayofbreakingdownagebarriers.There'snoreasonwhysomeonedoingGCSEsshouldnotlookatourMOOCsandgetquiteawaythroughthemorsomeoneatPhDlevelandbeyondsaysProfessorBernieMorleyexpertforlearningandteaching. 1MOOCshavethesefeaturesEXCEPTthat. A.MOOCshaveaplatformforlearnerstosharetheirlearningexperience B.MOOCsprovideteachers'instructionsifyouhavesomedifficulty C.MOOCscanbeadjustedaccordingtopeople'slearningpace D.MOOCsarefreeofchargeforanyone 2TheresponsetoFutureLearnhasbeenthoughttobeunbelievablemainlybecause. A.allthecoursesontheplatformareavailabletoanyoneintheworld B.EdinburghUniversitybecamethefirstnon﹣USinstitutiontojoinit C.studentscangetacertificationofparticipationwithoutpassingassessments D.thenumberofpeopleregisteringintheplatformisbeyondexpectation 3WhatcanbeinferredfromProfessorBernieMorleyinthelastparagraph? A.PeopleatPhDlevelhavealreadyknowneverythingaboutMOOCs. B.PeoplewithvariouslearninglevelswillprobablyshowinterestinMOOCs. C.InsideCancerwillbethemostpopularcourseforsomeonedoingGCSEs. D.MOOCsarenotsocompetitiveaslifelonglearningcoursesduetotheproblemsofcredits. 4Thepassagemainlydealswith. A.theappearanceofanewlearningplatform B.thevariousopinionsonFutureLearn C.thepopularityofno﹣creditcourses D.theadvantagesofonlineteachingmethods
从1234这四个数中一次随机取两个数则其中一个数是另一个的两倍的概率是.
已知曲线C1y=cosx则下面的结论正确的是
Theboyshowsgreatcuriousaboutanimals.
在△ABC中已知cosB+cosA﹣2sinAcosC=0. 1求角C的余弦值. 2若AB边上的中线求△ABC的面积.
点M20到双曲线C﹣=1a>0b>0渐近线的距离为1则双曲线的离心率为
已知抛物线Ey2=2pxp>0的焦点为F直线l过点F与抛物线交于AB两点与其准线交于点C点B在点AC之间若|BC|=3|BF|且|AB|=9则P=.
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