字典翻译 问答 小学 英语 InthesecondhalfofeachyearmanypowerfulstormsareborninthetropicalAtlanticandCaribbeanseas.Oftheseonlyaboutahalfadozengeneratethestrongcirclingwindsof75milesperhourormorethatgivethemhurricanestatus
问题标题:
InthesecondhalfofeachyearmanypowerfulstormsareborninthetropicalAtlanticandCaribbeanseas.Oftheseonlyaboutahalfadozengeneratethestrongcirclingwindsof75milesperhourormorethatgivethemhurricanestatus
问题描述:

InthesecondhalfofeachyearmanypowerfulstormsareborninthetropicalAtlanticandCaribbeanseas.Oftheseonlyaboutahalfadozengeneratethestrongcirclingwindsof75milesperhourormorethatgivethemhurricanestatusandseveralusuallymaketheirwaytothecoast.Theretheycausemillionsofdollarsofdamageandbringdeathtolargenumbersofpeople.

Thegreatstormsthathitthecoaststartasinnocentcirclingdisturbances(气旋)hundreds—eventhousands—ofmilesouttosea.Astheytravelaimlesslyoverwaterwarmedbythesummersuntheyarecarriedwestwardbythetradewinds.Whenconditionsarejustrightwarmmoist(潮湿的)airflowsinatthebottomofsuchadisturbancemovesupwardthroughitandcomesoutatthetop.Intheprocessthemoistureinthiswarmairproducesrainandwithittheheatthatisswitchedtoenergyintheformofstrongwinds.Astheheatincreasestheyounghurricanebeginstoturnaroundinacounter-clockwisemotion(反时针方向).

Theaveragelifeofahurricaneisonlyaboutninedaysbutitcontainsalmostmorepowerthanwecanimagine.Theenergyintheheatreleased(释放)byahurricane’srainfallinasingledaywouldsatisfytheentireelectricalneedsoftheUnitedStatesformorethansixmonths.

Waterratherthanwindisthemainsourceofdeathanddestroyinginahurricane.Atypicalhurricanebrings6-to-12-inchdownpoursresultinginsuddenfloods.Worstofallisthepowerfulmovementofthesea—themountainsofwatermovingtowardthelow-pressurehurricanecenter.Thewaterlevelrisesasmuchas15feetabovenormalasitmovestowardshore.

小题1:Anordinarytropicalstormiscalledahurricanewhen______.A.itoccursintheCaribbeanseasB.itswindsreach75milesperhourC.itmakesitswaytothecoastlineD.itswindsbegintocircleonthesea小题2:Whatistheworstthingabouthurricane?A.Theroughwater.B.Theviolentwinds.C.Theheatitgivesout.D.Thelengthofitslife.小题3:Whatdoesthethirdparagraphmainlytalkabout?A.Thehurricaneisextraordinarilypowerful.B.Thehurricaneisusedtogeneratee

段晓峰回答:
  小题1:B   小题2:A   小题3:A   小题4:C   分析:   文章讲述了飓风的形成过程---是达到每小时75英里以上的热带风暴形成的,和对大自然和人类带来的巨大的危害。   小题1:细节题。根据第一段第二行becomesthestrongcirclingwindsof75milesperhourormorethatarecalledhurricanes。可知当一个热带风暴达到每小时75英里以上的时候,就被称为是飓风了,选B。   小题2:细节题。根据最后一段第三行Waternotwindisthemainsourceofdeathanddestruction(毁灭)inahurricane.可知飓风最致命的是水的灾难性的影响。选A。   小题3:段落大意题:从第三段的句子:butitcontainsalmostmorepowerthanwecanimagine.Theenergyintheheatreleased(释放)byahurricane’srainfallinasingledaywouldsatisfytheentireelectricalneedsoftheUnitedStatesformorethansixmonths.可知这段讲的是飓风是非常强大的。选A。   小题4:细节题。根据第二段的句子:Astheheatincreasestheyounghurricanebeginstoswirlinacounter-clockwise(逆时针方向)motion.可知飓风的逆时针漩涡是由增加的热量造成的,选C。
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