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The Experimental Lighthouse-buoy has no navigational significance and may be removed at will．The above sentence means ______.A.It's of no use for navigation and would be removed with noticeB.It's useful in navigation and may be removed without noticeC.It'

题目

The Experimental Lighthouse-buoy has no navigational significance and may be removed at will．The above sentence means ______.

A.It's of no use for navigation and would be removed with notice

B.It's useful in navigation and may be removed without notice

C.It's helpless in navigation and may be removed without notice

D.It's helpful in navigation and may be removed without notice

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参考答案和解析
正确答案：C
更多“The Experimental Lighthouse－buoy has no navigational significance and may be removed at wi ”相关问题

  • 第1题：

    After a fire has been extinguished in a closed space, personnel may safely enter the space when

    A.smoke density has been decreased sufficiently to see the bulkhead opposite the compartment's entrance

    B.a lifeline and explosion proof flash light are used

    C.all smoke and toxic fumes are removed and an adequate oxygen supply is present

    D.overhaul has been completed to remove any possible source of re-ignition


    正确答案：C

  • 第2题：

    Which security or functional zone name has special significance to the Junos OS?()

    A. self

    B. trust

    C. untrust

    D. junos-global


    参考答案：D

  • 第3题：

    Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by ______.

    A.Notices to Mariners

    B.Sailing Directions

    C.List of Lights and Signals

    D.Guide to Port Entries


    正确答案：A

  • 第4题：

    If several fixed navigational lights are visible at the same time, each one may be positively identified by checking all of the following EXCEPT what against the Light List?______.

    A.Rhythm

    B.Period

    C.Intensity

    D.Color


    正确答案：C
    如果多个固定的航行灯都在同一时间看到，每一个可以通过检查灯标标区分，下列除了哪一个？强度。

  • 第5题：

    Which of the following commands will repair boot sector blocks after a virus has been removed?（）

    • A、chkdsk
    • B、format
    • C、fixmbr
    • D、sfc

    正确答案:C

  • 第6题：

    单选题
    The VTS has been designed to aid in（）.
    A

    the prevention of collision

    B

    the promotion of the traffic flow

    C

    the complying of port regulation

    D

    the development of navigational technique


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
    A

    exchange navigational information between vessels

    B

    exchange navigational information between a vessel and a shore station

    C

    conduct necessary tests

    D

    exchange operating schedules with company dispatcher


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    If several fixed navigational lights are visible at the same time，each one may be positively identified by checking all of the following EXCEPT what against the Light List?（）
    A

    Rhythm

    B

    Period

    C

    Intensity

    D

    Color


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Two navigational hazards are located near to each other，but each is marked by an individual cardinal buoyage system. The buoys of one cardinal system may be identified from the other system by（）.
    A

    the differing light colors

    B

    one system having odd numbers while the other system has even numbers

    C

    one system using horizontal bands while the other system uses vertical stripes

    D

    the difference in the periods of the light


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    The Waste Land is a poem concerned with the spiritual breakup of _____ in which human life has lost its meaning, significance and purpose.
    A

    tradition

    B

    capitalism

    C

    a primitive society

    D

    a modern civilization


    正确答案： D
    解析：
    《荒原》中描述了现代人的精神缺失。

  • 第11题：

    问答题
    After the theatre critic gave the experimental play an uniustifiably harsh review, he has been fired from the　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　A　　　　　　　　　　　　　　B　　　　　 Cnewspaper for failing to keep an open mind. No error　　　　　　　　 D　　　　　　　　　　　　　　　E

    正确答案： B
    解析：
    句子前部分动词使用的是过去时“gave”，所以“has been”应改为过去时态“was”。

  • 第12题：

    单选题
    Deviation which is maximum on intercardinal compass headings may be removed by the（）.
    A

    Flinders bar

    B

    transverse magnets

    C

    fore-and-aft magnets

    D

    soft iron spheres on the sides of the compass


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which of the following represents the significance the fuel oil cetane number?

    A.The cetane number has no affect on injection lag

    B.The cetane number is an indication of the fuel's viscosity

    C.Ignition lag is reduced with fuels having a high cetane number

    D.The cetane number is of little significance in the combustion process


    正确答案：C

  • 第14题：

    Our ship________with many modem navigational instruments.

    A.equipped

    B.is equipped

    C.equips

    D.has equipped


    正确答案：B

  • 第15题：

    Channel 13（156．65 MHz），the designated bridge-to-bridge channel，may NOT be used to ______．

    A.exchange navigational information between vessels

    B.exchange navigational information between a vessel and a shore station

    C.conduct necessary tests

    D.exchange operating schedules with company dispatcher


    正确答案：D

  • 第16题：

    After a long and gruesome season, Jeff Wills has been performing__________ better since the playoffs started a week ago..

    A. significance
    B. significant
    C. significancy
    D. significantly

    答案：D
    解析：
    经过一个漫长而可怕的赛季，杰夫·威利斯自上周开始的季后赛以来，一直表现得十分出色。横线处需要填人修饰形容词比较级better的副词，因此答案是D

  • 第17题：

    单选题
    Which security or functional zone name has special significance to the Junos OS?（）
    A

    self

    B

    trust

    C

    untrust

    D

    junos-global


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
    A

    Notices to Mariners

    B

    Sailing Directions

    C

    List of Lights and Signals

    D

    Guide to Port Entries


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    （）gives listings of all lighthouses，lightships，lit floating marks（over 8m in height），fog signals and lights of navigational significance.
    A

    Ocean Passages for the World

    B

    Admiralty List of Radio Signals

    C

    IALA Maritime Buoyage System

    D

    Admiralty List of Lights and Fog Signals


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    After a fire has been extinguished in a closed space, personnel may safely enter the space when （）.
    A

    smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entrance

    B

    a lifeline and explosion proof flash light are used

    C

    all smoke and toxic fumes are removed and an adequate oxygen supply is present

    D

    overhaul has been completed to remove any possible source of re-ignition


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Who may perform as a lookout（）.
    A

    A member of the engineering watch

    B

    A member of the navigational watch

    C

    A member of the Stewards Department

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following represents the significance the fuel oil cetane number?（）
    A

    The cetane number has no affect on injection lag

    B

    The cetane number is an indication of the fuel’s viscosity

    C

    Ignition lag is reduced with fuels having a high cetane number

    D

    The cetane number is of little significance in the combustion


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    Piston No2 of main engine has been removed, and it will be （） by noon tomorrow.
    A

    lifted

    B

    reassembled

    C

    dismounted

    D

    disassembled


    正确答案： B
    解析： 暂无解析

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