Indesigningalogisticalsystem,adelicatebalancemustbemaintainedbetweentransportationcostand（）
A、materialhandlingD
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Whichofthefollowingrisksbelongtospecialadditionalrisks_____?
Eachyear,FIATAholdsa（）,whichbringstogetherthefreightforwardingindustryandtransportworld.
Themarinecargoinsurancepremiumratesmayvarydependingonfactorssuchas（）.
Whichofthefollowingcoveragecovergeneralaverageandsalvagecharges?____
Normallytrampratesfluctuatewithmarketconditionsofsupplyanddemand.
