题目内容：
Questionsfrom31to35arebasedonthefollowingpassage:Generally,cargoiscarriedincontainers,butsometimesitisstillshippedasbreakbulkcargo.Duringthevoyage,goodsmaybestackedontopoforcomeintoviolentcontactwithothergoods.Andthecargomightbedragged,pushed,rolled,ordroppedduringunloading,whilemovingthroughcustoms,orintransittothefinaldestination.
Moistureisaconstantconcernbecausecondensationmaydevelopintheholdofashipevenifitisequippedwithairconditioningandadehumidifier(除湿机).Anotheraspectofthisproblemisthatcargomayalsobeunloadedinprecipitation,ortheforeignportmaynothavecoveredstoragefacilities.
Buyersareoftenfamiliarwiththeportsystemsoverseas,sotheywilloftenspecifypackagingrequirements.Ifthebuyerdoesnotspecifythis,besurethegoodsarepreparedusingtheseguidelines:
Packinstrongcontainers,adequatelysealedandfilledwhenpossible.
Toprovideproperbracinginthecontainer,regardlessofsize,makesuretheweightisevenlydistributed.
Goodsshouldbepalletizedwhenpossiblecontainerized.
Packagesandpackingfillershouldbemadeofmoisture-resistantmaterial.
Toavoidpilferage,avoidwritingcontentsorbrandnamesonpackages.Othersafeguardsincludeusingstraps,seals,andshrinkwrapping.
Observeanyproduct-specifichazardousmaterialspackingrequirements.
Normally,airshipmentsrequirelessheavypackingthanoceanshipments,thoughtheyshouldstillbeadequatelyprotected,especiallyiftheyarehighlypilferable.
Finally,becausetransportationcostsaredeterminedbyvolumeandweight,speciallyreinforcedandlightweightpackingmaterialshavebeendevelopedforexporting.Packinggoodstominimizevolumeandweightwhilereinforcingthemmaysavemoney,aswellasensurethatthegoodsareproperlypacked.
31．Roughhandlingintransitwilldogreatharmespeciallyto（ ）. A．containerizedcargo
B．breakbulkcargo
C．palletizedgoods
D．noneoftheabove
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答案解析：