________ is used for heaving up and slacking away the anchor and chain

A．A winch

B．A windlass

C．A crane

D．A jumbo boom

[单选题] (72)are used for backing up large amounts of data.(72)A． KeyboardB． PrinterC． DiskD．CPU

[试题]Iusedtosmoke____butIgaveitupthreeyearsago.(A)seriously(B)heavily(C)badly(D)severely

[单选题]Little Tom is used to getting up ______eight every morning.A.atB.onC.inD.of

[问答题]In many factories,an assembly line is used to speed up the efficiency ofthe

[单选题]B/L记载SLAC保护谁的利益（）A.船公司B.船公司代理C.托运人D.收货人

[单选题]PTK is used toA．locate one’s birth place.B．promote genetic research.C．identify parentchild kinship.D．choose children for adoption.

[单选题]PTK is used toA．locate one’s birth place.B．promote genetic research.C．identify parentchild kinship.D．choose children for adoption.

[单选题]If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall ().A．be regarded as a vessel not under commandB．be regarded as a vessel underwayC．be regarded as a vesselD．be regarded as a sailing vessel

[单选题]______is one of the techniques used for estimating activity durations．A．Analogous EstimatingB．Precedence Diagramming Method(PDM)C．Dependency DeterminationD．Schedule network Templates

[单选题]A．n automobile sling is used for ________A．lifting aircraft and helicoptersB．lifting any kinds of cargoC．lifting the heavy boxesD．lifting cars and trucks