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1、听力课堂,开放式英语学习平台!www.TingClass.netForecast.Relativelyquietwiththechanceofhurricanes-thatreportleadsofCNNSTUDENTNEWS.Fridaysareawesome.Here'sthedeal.ForecastersfromColoradoStateUniversityarelookingatconditionsforthe2014Atlantichurricaneseason.Itofficiallyr
2、unsfromJune1stthroughNovember30th.Thoughhurricanescanformatanytime.Thisyear,meteorologistsexpectthingstoberelativelycalmwithninepossibletropicalstormsandthreelikelyhurricanes.Onaverage,thereare12tropicalstormsandsevenhurricanes.Onereasonforacalmforecast
3、isElNino.It'sanaturalclimatepatternthatmeanswarmerwaterinpartsofthePacificthatcanhaveacalmingeffectonAtlanticweather.Butforecastsarefarfromanexactscience.In2012,therewerealmosttwiceasmanystormsthanexpertsexpected.Lastyear,thereweretwohurricaneswhenninew
4、ereexpected.我们关注的是做出的预测。飓风的活跃度相对低调,今天的CNN学生新闻将会重点关注这则报道。星期五真是太棒了。接下来兑现刚才的承诺。科罗拉多州立大学正在预测2014年的大西洋飓风季。它通常会在6月1日至11月30日这段时间内到来。尽管飓风在任何时候都可以形成。而气象学家预计今年可能的9场热带风暴及3场飓风的活跃度相对低调。平均会有12场热带风暴和7场飓风。这一活跃度预测相对低调的原因之一是厄尔尼诺现象。自然气候模式厄尔尼诺是在太平洋地区一股对大西洋天气能起到平静作用的暖流。但预测并
5、非一门精确的科学。2012年,有2倍于专家预想的风暴来袭。而在去年,专家预测9场飓风后,仍然有2场没预测到。Satellites,planes,shipsandsonobuoysliketheoneyouseeinthisYouTubeclipdropfromabovedivingintotheoceanlisteningforanythingthatcouldbeasignalfromaMalaysiaAirlinespassengerplane.Itvanishedmorethanamonthag
6、o.Notraceoftheplanehasbeenrecovered.SignalshavebeenheardbeneaththeIndianOceanwavesbyseveraldifferentlisteningdevicesonseveraldifferentoccasions.Buttounderstandwhyit'ssohardtopinpointtheplane'spossiblewhereabouts,youhavetogodeep.就像你在这段YouTube视频中看到的,卫星、飞机
7、、船舶和声纳浮标潜入海洋深处监听任何可能由马来西亚航空公司失联客机发出的信号。这架飞机已经消失一个多月。目前没有发现任何关于它的踪迹。而在印度洋下听到了由不同的监听设备在不同场合传回的信号。但要弄明白找到这架飞机的下落为什么困难重重,你必须亲身实地经历一番历险。Plungingtonearly15,000feetbelowsealevelisajourneyintoamysteriousabyss,ajourneyfewhumanscanevencomprehend.TheBoeing777isabo
8、ut200feetwide,242feetlong.Andpossibly,sodeepundertheIndianOceanthatyou'dpasstheStatueofLiberty,theEifelTowerandthetallestbuildingintheworldinDubaionthewaydown.Andstillbeonlyafractionofthewaytowheretheplanewreckagemightberesting.K