大学英语快速阅读1iselninoback带翻译课后习题答案

《大学英语快速阅读1iselninoback带翻译课后习题答案》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、IsElNinoBack?TherearesignsthatElNino,themassivewarmingofthePacificOceanthataffectstheworld’sweather,maybeformingagain.Asatelliteorbiting600milesabovethePacificOceanpickedupastreakofwarmwaterformingalongtheequator_anearlysignofthephenomenonfeltaroundtheworldwhenitlastappeared，justf

2、ouryearsago.Itismorethan3,000mileslong.Thewaterinitisninedegreeswarmerthaninsurroundingareas—asubstantialnumbertooceanographers.Thewarmpoolisgrowingandhascausedgovernmentforecasterstoputoutanadvisory（气象报告）.’’It’saheads-upinadvaneesothatpeoplecanproperlybepreparedforthisevent.’’sai

3、dVernonKouskyoftheNationalOceanicandAtmosphericAdministration'sClimatePredictionCenter.Ifafull-blownE1Ninodoesform,Americanswouldmostlikelystarttofeelitseffectsnextfallandwinter.Thegovernmentcalledtheforecastverypreliminary—butthewarningallowsemergencyagenciestomakeplans.’’Rightno

4、w,wecan’tpredictwhetheritwillbeweak，moderateorstronginintensity/’saidKousky.Somescientistssayit’stooearlytopredictanythingatall.’’I’dbeverycareful，’’saidonewhoaskednottobenamed.’’Thereisindeedaverylargeanomaly（反常’状态）inthePacificrightnow,andweneedtowatchit.Butthesethingsareverydiff

5、iculttoforecast."ElNinoscanbebothgoodandbad,dependingonwhereyouare.EvenarelativelysmallonecanbringaboutsignificantchangesbyshiftingthewindpatternsfromthePacificOceanthatpassovertheUnitedStates.DuringthelastElNino，in1997and1998,rainfalldoubledinCalifornia，causinga$lbiIlioninstormda

6、mage.Ontheotherhand，inFlorida，forestfireswereputoutbytheextrarain.Choosethebestanswerstothefollowingquestions.1.WhatcanberegardedasanearlysignofElNino?1.A3,000-milelongwaterstreak.1.Awaterstreakthatiswarmerthansurroundingareas.1.Astreakofwaterformingalongtheequator.AhugevvdrmvvaZe

7、rstreakalongtheequator.1.’’ThewarmpooV'inthethirdparagraphrefersto.A.thePacificOceanBthe3,000-mileIon试ivarmgrstreak1.theAtlanticOcean1.anewElNino1.WhyisitnecessarytoforecastthecorningElNino?1.BecauseitwouldaffectAmericansnextfal1andwinter.2.Becausescientistswillbeabletoknowwhether

8、itwillbeweak,moderateorstronginin