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溃疡性结肠炎的主要临床表现为
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溃疡性结肠炎最主要的临床表现是
高热
腹泻
血便
腹痛
脓血便
以呕吐为主要临床表现的疾病是
先天性肥厚性幽门狭窄
幽门痉挛
胃食管反流
溃疡性口炎
溃疡性结肠炎
溃疡性结肠炎主要临床表现是腹泻腹痛
有溃疡性结肠炎典型临床表现而结肠镜无典型改变者应排除为此病
溃疡性结肠炎活动期最重要的临床表现是_____________
溃疡性结肠炎的主要临床表现为和
以呕吐为主要临床表现的疾病是
先天性肥厚性幽门狭窄
溃疡性口炎
胃食管反流
溃疡性结肠炎
幽门痉挛
溃疡性结肠炎的主要临床表现为
黏液脓血粪
腹胀
腹痛
恶心,呕吐
发热
溃疡性结肠炎的主要临床表现为
腹痛
黏液脓血便
腹胀
恶心、呕吐
发热
溃疡性结肠炎最常见的临床表现为
腹部包块
腹痛
粘液脓血便
瘘管形成
腹泻
非特异性溃疡性结肠炎主要表现为的炎症及溃疡
溃疡性结肠炎的主要临床表现为
腹痛
粘液脓血便
腹胀
恶心、呕吐
发热
溃疡性结肠炎最常见的临床表现为
明显的上腹痛
腹泻
发热
腹水
腹胀
溃疡性结肠炎的主要临床表现为
腹痛
粘液脓血便
腹胀
恶心、呕吐
发热
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Monkeysseemtohaveawaywithnumbers. AteamofresearcherstrainedthreeRhesusmonkeystoassociate26clearlydifferentsymbolsconsistingofnumbersandselectiveletterswith0﹣25dropsofwaterorjuiceasareward.Theresearchersthentestedhowthemonkeyscombined﹣oradded﹣thesymbolstogetthereward. Here'showHarvardMedicalSchoolscientistMargaretLivingstonewholedtheteamdescribedtheexperimentIntheircagesthemonkeyswereprovidedwithtouchscreens.Ononepartofthescreenasymbolwouldappearandontheothersidetwosymbolsinsideacirclewereshown.Forexamplethenumber7wouldflashononesideofthescreenandtheotherendwouldhave9and8.Ifthemonkeystouchedtheleftsideofthescreentheywouldberewardedwithsevendropsofwaterorjuiceiftheywentforthecircletheywouldberewardedwiththesumofthenumbers﹣17inthisexample. Afterrunninghundredsofteststheresearchersnotedthatthemonkeyswouldgoforthehighervaluesmorethanhalfthetimeindicatingthattheywereperformingacalculationnotjustmemorizingthevalueofeachcombination. Whentheteamexaminedtheresultsoftheexperimentmorecloselytheynoticedthatthemonkeystendedtounderestimate低估asumcomparedwithasinglesymbolwhenthetwowerecloseinvalue﹣sometimeschoosingforexamplea13overthesumof8and6.TheunderestimationwassystematicWhenaddingtwonumbersthemonkeysalwayspaidattentiontothelargerofthetwoandthenaddedonlyafraction小部分ofthesmallernumbertoit. ThisindicatesthatthereisacertainwayquantityisrepresentedintheirbrainsDr.Livingstonesays.Butinthisexperimentwhatthey'redoingispayingmoreattentiontothebignumberthanthelittleone. 1Whatdidtheresearchersdotothemonkeysbeforetestingthem? A.Theyfedthem. B.Theynamedthem. C.Theytrainedthem. D.Theymeasuredthem. 2Howdidthemonkeysgettheirrewardintheexperiment? A.Bydrawingacircle. B.Bytouchingascreen. C.Bywatchingvideos. D.Bymixingtwodrinks. 3WhatdidLivingstone'steamfindaboutthemonkeys? A.Theycouldperformbasicaddition. B.Theycouldunderstandsimplewords. C.Theycouldmemorizenumberseasily. D.Theycouldholdtheirattentionforlong. 4Inwhichsectionofanewspapermaythistextappear? A.Entertainment. B.Health. C.Education. D.Science.
ThesmalltownofRjukaninNorwayissituatedbetweenseveralmountainsanddoesnotgetdirectsunlightfromlateSeptembertomid﹣March﹣1sixmonthsoutoftheyear. Ofcoursewe2itwhenthesunisshiningsaysKarinRowhoworksforthetown'stourismoffice.Weseetheskyis3butdowninthevalleyit'sdarker﹣it'slikeona4day. Butthat5whenasystemofhigh﹣tech6wasintroducedtoreflectsunlightfromneighboringpeaks山峰intothevalleybelow.Wednesdayresidents居民ofRjukan7theirveryfirstrayofwintersunshineArowofreflectiveboardsonanearbymountainsidewereputto8.Themirrorsarecontrolledbyacomputerthat9themtoturnalongwiththesunthroughoutthe10andtocloseduringwindyweather.Theyreflectaconcentratedbeam束oflightontothetown'scentral11creatinganareaofsunlightroughly600squaremeters.Whenthelight12Rjukanresidentsgatheredtogether. Peoplehavebeen13thereandstandingthereandtaking14ofeachotherRosays.Thetownsquarewastotally15.Ithinkalmostallthepeopleinthetownwerethere.The3500residentscannotall16thesunshineatthesametime.17thenewlightfeelslikemorethanenoughforthetown's18residents. It'snotvery19shesaysbutitisenoughwhenweare20. 1A.only B.obviously C.nearly D.precisely 2A.fear B.believe C.hear D.notice 3A.empty B.blue C.high D.wide 4A.cloudy B.normal C.different D.warm 5A.helped B.changed C.happened D.mattered 6A.computers B.telescopes C.mirrors D.cameras 7A.remembered B.forecasted C.received D.imagined 8A.repair B.risk C.rest D.use 9A.forbids B.directs C.predicts D.follows 10A.day B.night C.month D.year 11A.library B.hall C.square D.street 12A.appeared B.returned C.faded D.stopped 13A.driving B.hiding C.camping D.sitting 14A.pictures B.notes C.care D.hold 15A.new B.full C.flat D.silent 16A.block B.avoid C.enjoy D.store 17A.Instead B.However C.Gradually D.Similarly 18A.nature﹣loving B.energy﹣saving C.weather﹣beaten D.sun﹣starved 19A.big B.clear C.cold D.easy 20A.trying B.waiting C.watching D.sharing
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MarianBechtelsitsatWestPalmBeach'sBarLouiecounterbyherselfquietlyreadinghere﹣bookasshewaitsforhersalad.Whatisshereading?Noneofyourbusiness!LunchisBechtel'smetime.AndlikemoreAmericansshe'snotalone. Anewreportfound46percentofmealsareeatenaloneinAmerica.Morethanhalf53percenthavebreakfastaloneandnearlyhalf46percenthavelunchbythemselves.Onlyatdinnertimeareweeatingtogetheranymore74percentaccordingtostatisticsfromthereport. Iprefertogooutandbeout.Alonebuttogetheryouknow?Bechtelsaidlookingupfromherbook.BechtelwhoworksindowntownWestPalmBeachhaslunchwithcoworkerssometimesbutlikemanyofustoooftenworksthroughlunchatherdesk.Alunchtimeescapeallowshertokeepabossfromtappingherontheshoulder.Sheretunstoworkfeelingenergized.TodayIjustwantedsometimetomyselfshesaid. JusttwoseatsoverAndrewMazolenyalocalvideographerisfinishinghislunchatthebar.Helikesthathecansitandcheckhisphoneinpeaceorchatupthebarkeeperwithwhomhe'sonafirst﹣namebasisifhewantstohavealittleinteraction交流.Ireflectonhowmyday'sgoneandthinkabouttherestoftheweekhesaidIt'sachanceforself﹣reflection.Youreturntoworkrechargedandwithaplan. Thatfreedomtochooseisonereasonmorepeopleliketoeatalone.Therewasatimewhenpeoplemayhavefeltawkwardaboutaskingforatableforonebutthosedaysareover.Nowwehaveoursmartphonestokeepuscompanyatthetable.Itdoesn'tfeelasaloneasitmayhavebeforealltheadvancesintechnologysaidLaurieDemerittwhosecompanyprovidedthestatisticsforthereport. 1Whatarethestatisticsinparagraph2about? A.Foodvariety. B.Eatinghabits. C.Tablemanners. D.Restaurantservice. 2WhydoesBechtelprefertogooutforlunch? A.Tomeetwithhercoworkers. B.Tocatchupwithherwork. C.Tohavesometimeonherown. D.Tocollectdataforherreport. 3WhatdoweknowaboutMazoleny? A.Hemakesvideosforthebar. B.He'sfondofthefoodatthebar. C.Heinterviewscustomersatthebar. D.He'sfamiliarwiththebarkeeper. 4Whatisthetextmainlyabout? A.Thetrendofhavingmealsalone. B.Theimportanceofself﹣reflection. C.Thestressfromworkingovertime. D.Theadvantageofwirelesstechnology.
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为了考查考生对于“数学知识形成过程”的掌握情况某高校自主招生考试面试中的一个问题是写出对数的换底公式并加以证明．甲乙丙三名考生分别写出了不同的答案．公布他们的答案后三考生之间有如下对话甲说“我答错了”乙说“我答对了”丙说“乙答错了”．评委看了他们的答案听了他们之间的对话后说你们三人的答案中只有一人是正确的你们三人的对话中只有一人说对了．根据以上信息面试问题答案正确的考生为．
已知双曲线C﹣＝1a＞0b＞0的左焦点为F若点F关于双曲线的渐近线的对称点在双曲线的右支上则该双曲线的离心率是
ImagineachildstandingonadivingboardfourfeethighandaskinghimselfthequestionShouldIjump?Thisiswhatmotivationorthelackofitcando.Motivationandgoalsettingarethetwosidesofthesamecoin.1.Likethechildonthedivingboardyouwillstayundecided. 2.Morethanthathowshouldyoustaymotivatedtoachievethegoal?Firstyouneedtoevaluateyourselfyourvaluesyourstrengthsyourweaknessesyourachievementsyourdesiresetc.Onlythenshouldyousetyourgoals. Youalsoneedtojudgethequalityanddepthofyourmotivation.Thisisquiteimportantbecauseitisdirectlyrelatedtoyourcommitment.Therearetimeswhenyourheartisnotinyourwork.3.Soslowdownandthinkwhatyoureallywanttodoatthatmoment.Clarity清晰ofthoughtscanhelpyoumoveforward. Anotherwayofsettingrealisticgoalsistoanalyzeyourshortandlongtermobjectiveskeepinginmindyourbeliefsvaluesandstrengths.Rememberthatgoalsareflexible.4.Theyalsoneedtobemeasurable.Youmustkeepthesepointsinmindwhilesettingyourgoals. Yourpersonalcircumstancesareequallyimportant.Forexampleyoumaywanttobeapilotbutcan'tbecomeonebecauseyoureyesightisnotgoodenough.5.Youshouldreassessyourgoalsandmotivateyourselftosetafreshgoal. Youwillsurelyneedtoovercomesomedifficultiessomeplannedbutmostunplanned.Youcannotovercomethemwithoutamplemotivation.Makesurethatyouplanforthesedifficultiesatthetimeofsettingyourgoals. A.Thiscanaffectyourwork. B.Sohowshouldyoumotivateyourself? C.Howeverthisshouldnotdiscourageyou. D.Sowhyshouldwetrytosetspecificgoals? E.Theycanchangeaccordingtocircumstances. F.Motivationiswhatyouneedmosttodoagoodjob. G.Withoutmotivationyoucanneithersetagoalnorreachit.
假定你是校排球队队长李华.请写封邮件告知你的队友Chris球队近期将参加比赛内容包括 1.比赛信息 2.赛前准备 3.表达期待. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯.
设集合M＝{x|log2x﹣1＜0}集合N＝{x|x≥﹣2}则N∩M＝
公元263年左右我国数学家刘徽发现当圆内接多边形的边数无限增加时多边形面积可无限逼近圆的面积由此创立了割圆术利用割圆术刘徽得到了圆周率精确到小数点后面两位的近似值3.14这就是著名的徽率．如图是利用刘徽的割圆术设计的程序框图则输出的n值为 参考数据sin15°≈0.2588sin7.5°≈0.1305．
MyFavouriteBooks JoUsmarisawriterforCosmopolitanandco﹣authoroftheThisBookWillseries系列oflifestylebooks.Hereshepickshertopreads. Matilda RoaldDahl IoncewroteapaperontheinfluenceoffairytalesonRoaldDahl'swritinganditgavemeanewappreciationforhisstrangeanddelightfulworlds.Matilda'sbattleswithhercruelparentsandthebossyheadmistressMissTrunchbullareequallyfunnyandfrighteningbutthey'realsoaspirational. AfterDark HarukiMurakami It'sabouttwosisters﹣Eriamodelwhoeitherwon'torcan′tstopsleepingandMariayoungstudent.IntryingtoconnecttohersisterMaristartschangingherlifeanddiscoversaworldofdiversenightpeoplewhoarehidingsecrets. GoneGirl GillianFlynn Therewasabitofmethatdidn′twanttolovethiswheneveryoneelseontheplanetdidbutthehorrorstoryisbrilliant.There'stensionandanxietyfromthebeginningasNickandAmybattleforyourtrust.It'sarealwhodunitandthefrustrationwhenyourealisewhat'sgoingonishorriblyenjoyable. TheStand StephenKing Thisisanexcellentfantasynovelfromoneofthebeststorytellersaround.Afteraseriousfluoutbreakwipesout99.4%oftheworld′spopulationabattleunfoldsbetweengoodandevilamongthoseleft.RandallFlaggisoneofthescariestcharactersever. 1WhodoesIrefertointhetext? A.StephenKing. B.GillianFlynn. C.JoUsmar. D.RoaldDahl. 2WhichofthefollowingtellsaboutMariandEri? A.Cosmopolitan. B.Matilda. C.AfterDark. D.TheStand. 3WhatkindofbookisGoneGirl? A.Afolktale. B.Abiography. C.Alovestory. D.Ahorrorstory.
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