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简介：每年的五月一日是全世界劳动人民的节日，即“国际劳动节”。可你知道它的历史吗？

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简介：感恩节的历史告诉我们,我们要感谢朋友、亲人,感谢我们所得到的一切。Discontent'withthechurchofEngland:Intheearly1600'sthegovernmentofEnglandwouldonlyallowitscitizenstobelongtoonechurchknownasTheChurchofEngland.BecausethegovernmentinEnglandhadlittletolerance2forreligiousfreedom,somepeoplewhowantedtomakereligion"pure"againleftforHollandin1609.The"Puritans"livedandprosperedinHolland,however,theybecameconcernedwhentheirchildrenbeganspeakingDutchandbecameattachedtotheDutchwayoflife.

简介：<正>Alittleguyissittingatabar,justlookingathisdrinkforaboutahalf-hour.Abigtrouble-makingtruckdrivercomesuptohim,takesthedrinkfromtheguy,anddrinksitalldown.Thepoormanstartscrying.Thetruckdriversays:

简介：ForTeachers：MayDayoccursonMay1andreferstoanyofseveralpublicholidays.Inmanycoun-tries,MayDayissynonymous（同义词的）withInternationalWorkers＇Day,orLaborDay,whichcelebratesthesocialandeconomicachievements（成就）ofthelabormovement.Asadayofcelebration,theholidayhasan-cientorigins（起源）,anditcanrelatetomanycustomsthathavesurvivedintomodemtimes.

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简介：Itisestimatedthatmorethanonemillionheartfailurehospitalizationsoccureachyear.Systolicheartfailureandheartfailurewithpreservedejectionfractioncontributeequallytoheartfailurehospitalizations.Heartfailurereadmissionratescontinuetobeabout25%.Strategiestoreduceheartfailurereadmissionarekeytoreducinghospitalizationrates.Thestrategiestoreduceheartfailurehospitalizationareasfollows:(1)Duringhospitalization,diuresistotheeuvolemicstateisessential.Fiftypercentofdischargedheartfailurepatientshaveminimalweightlossduringthehospitalization,representingminimaldiuresis,butstillfluidoverload.(2)Duringhospitalization,interrogatethedefibrillatororbiventricularpacemaker(ifapplicable)toensurethatthereisnorightventricularpacingandthereisappropriatebiventricularpacing.Interrogationofdevicescanidentifyarrhythmiaorsuboptimalbiventricularpacing,whichcancontributetodecompensation.(3)Beforedischarge,identifythereasonfordecompensation,suchasatrialfibrillation,infection,pulmonaryembolism,ornoncompliance.(4)Beforedischargeamultidisciplinaryteamisneededtoeducatethepatientondiet,medications,fluidweightsurveillance,andexercise.(5)Apostdischargevisitshouldoccurwithin10daysandwithemphasisonuptitrationofneurohormonalblockersandcontinuedcongestionmanagement.Suchinterventionsconductedbyamultidisciplinaryteamhavethepotentialtoreduceheartfailurehospitalizationrates.

简介：Daily850-hPameridionalwindfieldsinEastAsiafromMarchtoSeptember2002wereusedtoestablishamodeloftheprincipaloscillationpattern(POP).Thismodelwasthenusedtoconductindependentextended-rangeforecastsoftheprincipaltemporalandspatialvariationsinthelow-frequencymeridionalwindfieldonatimescaleof20-30days.ThesevariationsaffecttheoccurrenceofheavyprecipitationeventsinthelowerreachesoftheYangtzeRivervalley(LYRV).Theresultsof135forecastexperimentsduringthesummerhalfyearshowthatthepredictedandobservedanomaliesarestronglycorrelatedataleadtimeof20days(meancorrelationgreaterthan0.50).Thisstrongcorrelationindicatesthatthemodeliscapableofaccuratelyforecastingthelow-frequencyvariationsinmeridionalwindthatcorrespondedtothe3heavyprecipitationeventsintheLYRVduringthesummerof2002.Furtherforecastexperimentsbasedondatafrommultipleyearswithsignificant20-30-dayoscillationsshowthatthesepredictionmodesareeffectivetoolsforforecastingthespace-timeevolutionofthelow-frequencycirculation.ThesefindingsofferpotentialforimprovingtheaccuracyofforecastsofheavyprecipitationovertheLYRVatleadtimesof3-4weeks.

简介：大家都知道7月14号是法国的国庆日，纪念巴黎人民攻占象征封建统治的巴士底狱，推翻君主政权。法国国庆节，是法国的国家纪念日，也叫“巴士底日”，意指1789年7月14日巴黎群众攻占巴士底监狱，这一天象征专制、社会等级和特权的结束，并且于1790年7月14日成为整个法兰西民族的节日。这一天是法国的法定假日。

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简介：往年的母亲节您是怎样为母亲庆祝的?一束花,一张贺卡也许足以表达我们对母亲的感激和爱意。Butdoyouwantsomethingspecial?Let’smakeanicesurpriseforherthisyear!

简介：同学们，你们知道在12月份还有一个特殊的节日——志愿者日吗？你想成为一名志愿者助人为乐吗？现在就让我们对志愿者日和如何成为志愿者做一些了解吧!

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简介：美国在7月4日庆祝其独立。美国国庆日是庆祝1776年7月4日正式通过独立宣言的美国国定假日。费城首先在庆祝活动中运用了烟火、演讲、音乐、游行和红白蓝的摆设，这也奠定了今日活动的基础。在军事基地，会鸣放50响礼炮来纪念五十个州的独立。早上有游行，晚上则有烟花表演。此外，国歌和其他爱国歌曲也是瞩目的焦点。

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