（）arethedocumentsusedinaircargotransportation.
A、SLI
B、SWB
C、AWB
D、cargomanifest
Whichofthefollowingrisksbelongtospecialadditionalrisks_____?
A、riotsandcivildisturbance
B、warandstrike
C、rejectionandondeck
D、delayofgoods
Acleanbillofladingmeansthatthebillofladingisveryclean.
A、adocumentoftitletothes
B、acontractfortransporion
C、areceiptanddeliveryofshipment
D、aconventionforairtransport
Multimltransporthastheadvanessuchas（）
A、providingfastertransitofs
B、reducingcostofexports
C、savingcosts
D、reducingtheburdenofdocumenionandformalities