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  FormJulytoOctobereveryyear,aboutaquarteroftheworld'sbluewhalesfeedinthePacificOceanoffthecoastofCalifornia.Butthewhalesnowfaceamajorthreatintheirfavoritefeedingarea.Lotsofshipscarryingcargosailinthesame

  FormJulytoOctobereveryyear,aboutaquarteroftheworld'sbluewhalesfeedinthePacificOceanoffthecoastofCalifornia.Butthewhalesnowfaceamajorthreatintheirfavoritefeedingarea.Lotsofshipscarryingcargosailinthesameareaatthesametime.Alltoooften,ashipwillhitawhale.

  Accordingtoanewstudy,thisproblemhasbecomeaseriousthreattothewholepopulationoftheworld'sbluewhales.Thereareonlyabout10,000ofthecreaturesintheworld.

  BluewhalesarethelargestknownanimalsevertoliveonEarth.Butifhitbyacontainer(集装箱)ship,abluewhalewilllikelydiefromitsinjuries.

  In2007alone,largeshipskilledfivebluewhalesinthewatersoffSanFranciscoandLosAngeles,California.TheNationalOceanicandAtmosphericAdministration(NOAA)saysthatbecausetherearesofewwhalesalready,losingthreetofivefromtheCaliforniawhalepopulationeveryyearisagreatloss.

  "ThepopulationofbluewhalesinthispartofthePacificisabout2,500,"saysSeanHastings,amemberofNOAA."Soeverywhalecountstowardthispopulationmovingofftheendangered-specieslist."

  Now,oneverysimpleprogramisalreadyunderwayintheSantaBarbaraChannel,awaterwaythatseparatesmainlandCaliforniafromthenearbyChannelIslands.TheChannelIslandsNationalMarineSanctuaryhasaskedlargecontainershipspassingthroughtheareatoslowdown.Sailingslowerwillallowtheship'smembersmoretimetolookatdetection(探测)equipmentand-moreimportant-tochangecoursebeforehittingawhale.

  Severaloftheworld'slargestshippinglinesaresettotakepartinthenewprogram.ForeveryshipthatpassesthroughtheSantaBarbaraChannelatorbelowthereducedspeedof12knots(ameasureofspeedinwater),thecompanythatownstheshipwillbepaid$2,500.

  25.Theunderlinedpart"thisproblem"inParagraph2referstothefactthat___.

  A.whalesarehitbyships

  B.whaleslosetheirway

  C.whalestraveltoofar

  D.whalescan'tfindenoughfood

  26.Whatcanwelearnaboutbluewhales?___

  A.Theylikefollowingcontainerships.

  B.TheymainlyliveinthepacificOcean.

  C.Theyareindangerofdisappea

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2020-12-2120:30
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青学江

  25.A,推理判断题,根据上一段提到Alltoooften,ashipwillhitawhale,可知"这个问题"指的就是船撞到蓝鲸的事情,故答案为A.26.C,推理判断题,根据句子Thereareonlyabout10,000ofthecrea...

2020-12-21 20:32:34
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