更多"[单选题]A wise precaution for an engin"的相关试题:
[单选题]Constant inspection is a precaution which contributes totroubles and the routines must be carried out at regular intervals
A.avoid
B.avoided
C.avoiding
D.being avoided
[单选题] Universal precaution kit是指: ( )
A.救生包
B.应急医疗箱
C.卫生防疫包
D.急救箱
[单选题]2677.调控Th0向Th2分化的因素
A.A.胞内病原体
B.B.可溶性抗原
C.C.TGF-β和IL-2
D.D.肿瘤抗原
E.E.IFN-γ和IL-12
[单选题] A wise Captain gives clear direction in his ______ for the officers on watch to call him if in any doubt whatsoever
A. Deck Logbook
B. Master's Note
C. Bell Book
D. Master's Standing Orders
[单选题]2511.Th1细胞产生的可抑制Th2细胞活性的CK是
A.A.CSF
B.B.IFN-γ
C.C.TNF
D.D.IL-1
E.E.IL-4
[单选题]2618.促使Th0细胞向Th2细胞方向分化的细胞因子是
A.A.IL-2
B.B.IL-4
C.C.IL-12
D.D.IL-10
E.E.IFN-γ
[单选题]When the chief engineer came into the engine room,the workers___the fresh water generator.
A.are disassembling
B.have disassembled
C.were disassembling
D.disassembled
[单选题]At that time,the chief engineer insisted that the duty engineer the oil separator.
A.repairs
B.repaired
C.repair
D.has repaired
[单选题]The chief engineer___on board the ship for five years by the end of this year.
A.will have worked
B.has worked
C.will be working
D.will have been working
[单选题] Traffic separation schemes established by the International Maritime Organization ______．
A.provide routing and scheduling procedures to reduce shipping delays
B.provide traffic patterns in congested areas，so that vessels can operate without having a separate lookout
C.provide inbound and outbound lanes to promote the safe flow of vessel traffic
D.prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive
[单选题]Th four-troke susedformtors andsoetimesfor main propulsn withto provide a propeller speed of between 90 to 120 rev/min.
A.a reduction gearbox
B.a steering gear
C.a governor
D.a propeller
[单选题] A vessel emitting harmful substances into the air or spilling oil into the sea is a ______．
A.Polluter
B.Emitter
C.Spiller
D.Oiler
[单选题] Where events have rendered performance of the contract illegal either by English law or by the law of the country in which performance was to have taken place，the Charterer will ______ from the liability to provide a cargo．
A.Be provided
B.Be excused
C.Be supplied
D.Be replied
[单选题]396.Th2细胞不分泌
A.A.IL-2
B.B.IL-5
C.C.IL-4
D.D.IL-10
E.E.IL-13
[单选题] Our tutor gave us an important suggestion that all the papers _____ before submission.
A. reviewed
B. reviewing
C. being reviewed
D. be reviewed
[多选题]Which of the following structures comprise the peripheral nervous system?
A.brain
B.spinal cord
C.cranial nerves
D.spinal nerves
E.peripheral part of the visceral nervous system
[多选题]which statements about the organization of the 1nternational Court of Justice are correct?
A. The Court is composed of 15 members with nine.ear terms.
B. The members of the court are elected or re.elected by the General Assembly and security Council through the process of separate voting.
C. The president and vice.president of the Court are elected by the security Council.
D. The judges themselves elect a president and vice president with a three.year term.
