参考答案和解析
正确答案: C
解析:
细节题。在自动化公路系统中,给该系统提供能源的只能是轨道。第四段提到,一个可伸缩性的手臂从汽车上垂落下来,接触到铁轨,这个铁轨类似于电动地铁,给地铁提供能源的铁轨,给汽车提供电流,动力源。A项“铁轨”与文章相同,故A为答案。
更多“What provides autos with electric power in an automated high”相关问题
  • 第1题:

    The primary function of an electric motor is to ______.

    A.develop torque

    B.generate high voltages

    C.produce a magnetic field

    D.generate high electrical resistance


    正确答案:A

  • 第2题:

    We can utilize water for producing electric power.

    A:employ
    B:embrace
    C:emerge
    D:emphasize

    答案:A
    解析:
    本句意思:我们能用水来发电。utilize意为“利用”,与employ(使用,利用)意思相近。 embrace拥抱;emerge出现;emphasize强调。

  • 第3题:

    What three in combination are factors that can cause four-wave mixing in fiber-optic cables?()

    • A、 low optical powe
    • B、 high optical power
    • C、 few optical channels
    • D、 many optical channels
    • E、 low chromatic dispersion
    • F、 high chromatic dispersion
    • G、 too much power differential in the optical channels

    正确答案:B,D,E

  • 第4题:

    What three in combination are factors that can cause four-wave mixing in fiber-optic cables? ()(Choose three.)

    • A、low optical power
    • B、high optical power
    • C、few optical channels
    • D、many optical channels
    • E、low chromatic dispersion
    • F、high chromatic dispersion
    • G、too much power differential in the optical channels

    正确答案:B,D,E

  • 第5题:

    这些舱盖通常是用电力或液压驱动的。()

    • A、These hatches are usually driven by electric or hydraulic power.
    • B、These hatch covers are usually driven by electric or hydraulic power.
    • C、These hatch covers are usually driven by electric.
    • D、These hatch covers are usually driven by hydraulic power.

    正确答案:B

  • 第6题:

    Which system provides redundant system clocks?()

    • A、Power 595
    • B、Power 560
    • C、Power 570
    • D、Power 550

    正确答案:A

  • 第7题:

    In Solaris 10, this tool provides an automated and proactive approach to patch management. It provides a graphical user interface as well as a command line interface.  Which tool is it? ()

    • A、 smpatch
    • B、 Patchtool
    • C、 Update manager
    • D、 Patch manager

    正确答案:C

  • 第8题:

    单选题
    What is the author’s attitude toward the future of autos?
    A

    Enthusiastic.

    B

    Pessimistic.

    C

    Optimistic.

    D

    Cautious.


    正确答案: B
    解析:
    态度题。文章一开始就讲有些汽车的悲观主义者认为汽车最终被弃而不用,接着文章又引述了反对悲观主义的人们认为汽车将来的前途还是一个充满希望的未来。不仅作者自己展示出且同时让读者对汽车的未来充满了乐观的情绪。因此,作者态度和文章基调都是乐观的,故选C为答案。

  • 第9题:

    单选题
    这些舱盖通常是用电力或液压驱动的。()
    A

    These hatches are usually driven by electric or hydraulic power.

    B

    These hatch covers are usually driven by electric or hydraulic power.

    C

    These hatch covers are usually driven by electric.

    D

    These hatch covers are usually driven by hydraulic power.


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    The primary function of an electric motor is to ()
    A

    develop torque

    B

    generate high voltages

    C

    produce a magnetic field

    D

    generate high electrical resistance


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    What does the passage mainly discuss?
    A

    The acquisition of British Nuclear Fuels by Toshiba.

    B

    The acquisition of Westinghouse Electric by Toshiba.

    C

    Toshiba’s expansion in nuclear power business.

    D

    Toshiba’s embarking on nuclear power business.


    正确答案: D
    解析:
    主旨题。该段录音的首句为主旨句,指出“星期一,日本电子产品制造商东芝公司表示其正在购买核电站建造公司Westinghouse Electric”,然后说话者给出了购买的具体细节,包括收购价格、东芝公司是如何看待购买价格的、购买原因、意义以及售后事宜等等。由此可知,选项B(东芝公司收购Westinghouse Electric公司)的描述符合录音原文主要内容。

  • 第12题:

    单选题
    What type of electric motor is most commonly used on board ship?()
    A

    non-synchronous electric motor

    B

    synchronous electric motor

    C

    fully enclosed electric motor

    D

    watertight electric motor


    正确答案: C
    解析: 暂无解析

  • 第13题:

    What power source actuates a solenoid valve ________.

    A.Air pressure

    B.Hydraulic pressure

    C.Electric current

    D.Mechanical force


    正确答案:C

  • 第14题:

    We can utilze water for producing electric power.

    A:employ
    B:embrace
    C:emerge
    D:emphasize

    答案:A
    解析:
    本句意思:我们可用水力发电。utilize意为“利用”,与employ(使用,利用)意思相近。 embrace拥抱;emerge出现;emphasize强调。

  • 第15题:

    What characteristics make ADSL the likely choice among DSL technologies for Teleworker?()

    • A、most widely deployed by service providers 
    • B、provides asymmetrical bandwidth, including high speed downlink
    • C、data rate is affected by distance to the Central Office
    • D、provides the furthest reach at T1 speeds 
    • E、supports connection of two routers without the use of a DSL access concentrator

    正确答案:D,E

  • 第16题:

    What are the benefits of using TCAM technology in high-end routing products ?()

    • A、Lower power consumption
    • B、Lower maintenance cost
    • C、Simplified configuration
    • D、Deterministic performance
    • E、Longer uptime

    正确答案:D,E

  • 第17题:

    Which system provides the highest performance per core, and the least cost for applications licensed per core?()

    • A、A Power 795 with MaxCore mode
    • B、A Power 780 with MaxCore mode
    • C、A Power 755 with TurboCore mode
    • D、A Power 780 with TurboCore mode

    正确答案:D

  • 第18题:

    What are three benefits of using chassis clustering?()

    • A、Provides stateful session failover for sessions.
    • B、Increases security capabilities for IPsec sessions.
    • C、Provides active-passive control and data plane redundancy.
    • D、Enables automated fast-reroute capabilities.
    • E、Synchronizes configuration files and session state

    正确答案:A,C,E

  • 第19题:

    You need to configure the power settings of your portable computer so that the display turns off when it is inactive and running on battery power. You also need to ensure that the power settings of the hard disk remain unaffected.  What should you do?()

    • A、Change the advanced power settings of the Balanced power plan.
    • B、Configure the portable computer to use the Power saver power plan.
    • C、Configure the portable computer to use the High performance power plan.
    • D、Restore the Power Saver power plan to the default settings.

    正确答案:A

  • 第20题:

    单选题
    What provides autos with electric power in an automated highway system?
    A

    A rail.

    B

    An engine.

    C

    A retractable arm.

    D

    A computer controller.


    正确答案: C
    解析:
    细节题。在自动化公路系统中,给该系统提供能源的只能是轨道。第四段提到,一个可伸缩性的手臂从汽车上垂落下来,接触到铁轨,这个铁轨类似于电动地铁,给地铁提供能源的铁轨,给汽车提供电流,动力源。A项“铁轨”与文章相同,故A为答案。

  • 第21题:

    多选题
    What are the benefits of using TCAM technology in high-end routing products ?()
    A

    Lower power consumption

    B

    Lower maintenance cost

    C

    Simplified configuration

    D

    Deterministic performance

    E

    Longer uptime


    正确答案: A,E
    解析: 暂无解析

  • 第22题:

    单选题
    In Solaris 10, this tool provides an automated and proactive approach to patch management. It provides a graphical user interface as well as a command line interface.  Which tool is it? ()
    A

     smpatch

    B

     Patchtool

    C

     Update manager

    D

     Patch manager


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    In comparison to electric power,hydraulic power for jacking systems has the advantage of().
    A

    better control capabilities

    B

    less maintenance and repair

    C

    fewer personnel needed during jacking

    D

    less preload needed


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    We cannot imagine what our world _____ like without electric power.
    A

    is

    B

    will be

    C

    would be

    D

    were


    正确答案: C
    解析:
    本题考查含蓄虚拟结构。without electric power相当于一个条件句if our world had no electric power,是对现在或将来情况的虚拟,主句用“would do”,故选C。