单选题According to the text, the laser can ______.A standardize telephone cablesB remove communications jamsC improve the quality of human voicesD increase the capacity of communications

题目
单选题
According to the text, the laser can ______.
A

standardize telephone cables

B

remove communications jams

C

improve the quality of human voices

D

increase the capacity of communications

相似考题

1.The Communications Management Plan should contain the following:A Communications policyB Communications mediaC Reporting channelsD Selection of appropriate media to meet specific needsE All of the above

2.195 Techniques that can improve communication include:A. establishing a single, one-way communications channelB. avoiding face-to-face communicationC. using redundancy (i.e. saying it two different ways) whenever possibleD. disregarding the sensitivity of your receiverE. All of the above

3.According to the text, what is the major cause of the flooding spam? 【 】A.Companies rely on e-mail for communications.B.More people in the world communicate by e-mail.C.Many computer viruses contain spam e-mail.D.More advertisers begin to promote sales through spam.

4.Techniques that can improve communication include:A establishing a single, one-way communications channelB avoiding face-to-face communicationC using redundancy (i.e. saying it two different ways) whenever possibleD disregarding the sensitivity of your receiverE All of the above.

更多“单选题According to the text, the laser can ______.A standardize telephone cablesB remove communications jamsC improve the quality of human voicesD increase the capacity of communications”相关问题

  • 第1题：

    ● Office （74） is the application of the computer and communications technology to improve the productivity of office workers.

    （74）A. Tool B. Automation C. Device D. FAX


    参考译文
    　　办公自动化是计算机和通信技术的应用，旨在提高办公室工作人员的工作效率。
    参考答案
    　　（74）B

  • 第2题：

    Which Cisco collaboration product line will reduce TCO. Improve the user experience and productivity, and increase business relevance?()

    A.customer care

    B.conferencing

    C.messaging

    D.telepresence

    E.IP communications


    参考答案：B

  • 第3题：

    ● Office （74） is the application of the computer and communications technology to improve the productivity of office workers.

    （74）

    A. Tool

    B. Automation

    C. Device

    D. FAX


    正确答案：D

     

  • 第4题：

    Quality of service is analyzed at which service component within the Cisco Unified Communications plan phase（）

    • A、Network Readiness Assessment
    • B、Application Readiness Assessment
    • C、Site Readiness Assessment
    • D、Operation Readiness Assessment

    正确答案:A

  • 第5题：

    Which phase includes conducting Cisco Unified Communications network traffic analysis and capacity planning in order to ensure high availability（）

    • A、Design
    • B、Prepare
    • C、Maintain
    • D、Optimize

    正确答案:D

  • 第6题：

    单选题
    In which of the following phases can you ensure that the new Cisco Unified Communications solution is integrated without disrupting the existing network（）
    A

    Operate

    B

    Plan

    C

    Deploy

    D

    Implement


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    Hancock’s study focuses on _____.
    A

    the consequences of lying in various communications media

    B

    the success of communications technologies in conveying ideas

    C

    people’s preferences in selecting communications technologies

    D

    people’s honesty’s levels across a range of communications media


    正确答案： A
    解析：
    细节题。选项D同义替换了首段第二句，compare honesty across a range of communications media意为“比较人们通过各种媒介进行交流时所表现出的诚实度”。选项A、C文中未提及。由于只在文章首句提及“communications technology”，故排除B项。

  • 第8题：

    单选题
    When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）
    A

    After determining that the frequency or channel appears to be no longer in use

    B

    After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications

    C

    After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded

    D

    Routine communications can resume if，in the Master's opinion，communications on that frequency or channel will not interfere with emergency communications


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Which phase includes conducting Cisco Unified Communications network traffic analysis and capacity planning in order to ensure high availability（）
    A

    Design

    B

    Prepare

    C

    Maintain

    D

    Optimize


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Quality of service is analyzed at which service component within the Cisco Unified Communications plan phase（）
    A

    Network Readiness Assessment

    B

    Application Readiness Assessment

    C

    Site Readiness Assessment

    D

    Operation Readiness Assessment


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    According to the text, the laser can ______.
    A

    standardize telephone cables

    B

    remove communications jams

    C

    improve the quality of human voices

    D

    increase the capacity of communications


    正确答案： C
    解析：
    细节题。通过关键句，原文第二段“telephone companies are now using laser light signals to transmit telephone calls through extremely small cables that are capable of carrying many more transmissions than the standard telephone cables．”可知，利用激光传递信号的声音比普通的电话电缆要多很多，这样通讯的传输能力就增强了。其他选项均不符合题意，故正确的答案为D。

  • 第12题：

    单选题
    When can routine communications be resumed when radio silence has been imposed?（）
    A

    After determining that the frequency or channel appears to be no longer in use

    B

    After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications

    C

    Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded

    D

    If，in the Master's opinion，communications on that frequency will interfere with emergency communications


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Office ______ is the application of the computer and communications technology to improve the productivity of office workers．

    A．Tool

    B．Automation

    C．Device

    D．FAX


    正确答案：B
    解析：办公自动化是计算机和通信技术的应用，旨在提高办公室工作人员的工作效率。

  • 第14题：

    Why do the American doctors think of using laser light to treat heart disease?

    A．Beeause laser light is quite powerful．

    B．Because laser light is penetrating．

    C．Because laser light can destroy the blocking materials in human’s artery．

    D．Because laser light can travel through the human body．


    正确答案：C
    根据文章第二段开头一句，可知激光能够清除动脉里的脂肪物质，因此答案应是C项。

  • 第15题：

    When can routine communications be resumed on a frequency or channel on which radio silence has been imposed ________．

    A.After determining that the frequency or channel appears to be no longer in use

    B.After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications

    C.After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded

    D.Routine communications can resume if，in the Master's opinion，communications on that frequency or channel will not interfere with emergency communications


    正确答案：C

  • 第16题：

    Which Cisco collaboration product line will reduce TCO. Improve the user experience and productivity, and increase business relevance?（）

    • A、customer care
    • B、conferencing
    • C、messaging
    • D、telepresence
    • E、IP communications

    正确答案:B

  • 第17题：

    Which three deployment scenarios does Cisco Configuration Assistant support？ （）

    • A、 Cisco SR 500 in secure router mode， acting as a front end for Cisco Unified Communications 500
    • B、 centralized Cisco Unified Communications Manager BE with Cisco Unified Communications 500 in SRST mode
    • C、 Cisco SR 500 teleworker with Cisco Unified Communications 500 as VPN server
    • D、 multi-site VPN with Cisco Unified Communications 500 platforms
    • E、 redundant Cisco Unified Communications 500 with primary-to-backup failover
    • F、 Cisco Unified Communications 500 to Cisco Unified Communications Manager SIP trunk

    正确答案:A,C,D

  • 第18题：

    单选题
    Which Cisco collaboration product line will reduce TCO. Improve the user experience and productivity, and increase business relevance?（）
    A

    customer care

    B

    conferencing

    C

    messaging

    D

    telepresence

    E

    IP communications


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    Emotional intelligence is important because ______.
    A

    it can increase the logical capacity of the computer

    B

    it can raise the mechanic capacity of the computer

    C

    it can eliminate all the defects of the computer

    D

    it can improve user-computer communication


    正确答案： A
    解析：
    细节题。由文章第二段最后一句话 “Computers need artificial emotion to understand their human users better and to achieve self-analysis and self-improvement.”可知，情感智能可以促进使用者和计算机之间的交流。故选D。

  • 第20题：

    多选题
    Which three deployment scenarios does Cisco Configuration Assistant support？ （）
    A

    Cisco SR 500 in secure router mode， acting as a front end for Cisco Unified Communications 500

    B

    centralized Cisco Unified Communications Manager BE with Cisco Unified Communications 500 in SRST mode

    C

    Cisco SR 500 teleworker with Cisco Unified Communications 500 as VPN server

    D

    multi-site VPN with Cisco Unified Communications 500 platforms

    E

    redundant Cisco Unified Communications 500 with primary-to-backup failover

    F

    Cisco Unified Communications 500 to Cisco Unified Communications Manager SIP trunk


    正确答案： E,F
    解析： 暂无解析

  • 第21题：

    单选题
    What is the name of the Cisco industry-leading small business unified communications solution？ （）
    A

     Cisco IP Communications System

    B

     Cisco Integrated Communications Services System

    C

     Cisco Smart Business Communications System

    D

     Cisco Telephony System for Small Business

    E

     Cisco IP Phone System


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    In areas covered by Inmarsat HF can be used as an（）to satellite communications.
    A

    alternation

    B

    alternate

    C

    alter

    D

    alternative


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    What is the fundamental purpose for imposing radio silence? （）
    A

    To ensure that interference to proprietary communications is minimized

    B

    To ensure that only voice communications can be effected on the distress frequency or channel

    C

    To ensure that a distressed vessel will have a window twice each hour for transmitting routine messages

    D

    To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    According to the text, what is beyond man’s ability now is to design a robot that can ______.
    A

    fulfill delicate tasks like performing brain surgery

    B

    interact with human beings verbally

    C

    have a little common sense

    D

    respond independently to a changing world


    正确答案： A
    解析：
    细节题。第三段最后一句提到“we can’t yet give a robot enough ‘common sense’ to reliably interact with a dynamic world.”，人类现在还不能赋予机器人以足够的常识和判断力，使其能够有能力应对不断变化的世界。D项中“respond independently”与原文“reliably interact with”照应，“a changing world”与原文“a dynamic world”照应。所以D项为正确答案。

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