单选题The best title of the text might be ______.A The Laser: A Scientific & Technological WonderB The Laser: A Powerful Tool for CommunicationsC The Laser: A Solution to Life-Saving ProblemsD The Laser: A Multimillion Dollar Invention

题目
单选题
The best title of the text might be ______.
A

The Laser: A Scientific & Technological Wonder

B

The Laser: A Powerful Tool for Communications

C

The Laser: A Solution to Life-Saving Problems

D

The Laser: A Multimillion Dollar Invention

相似考题

1.The Smart Color Laser Copier is comparable ()professional editing.A.toB.onC.at

2.Now it is clear that laser light has () applications.A.dangerousB.coherentC.mysteriousD.numerous

3.Whichofthefollowingprintersprintsmulti－partformsatonce?()A.inkjetB.thermalC.impactD.laser

4.No more than twenty years passed ( ) laser was first invented.A、afterB、sinceC、beforeD、when

参考答案和解析
正确答案： D
解析：
主旨题。从文章的整体意思来看，作者在这篇文章里面描述了激光作为科技发展的产物在通讯、医药等领域起到巨大作用。可以说激光是现代科技的一个奇迹。其他概括不够全面，或有失偏颇。故正确的答案为A。
更多“单选题The best title of the text might be ______.A The Laser: A Scientific Technological WonderB The Laser: A Powerful Tool for CommunicationsC The Laser: A Solution to Life-Saving ProblemsD The Laser: A Multimillion Dollar Invention”相关问题

  • 第1题：

    What is an advantage of an externally modulated laser over a directly modulated laser?()

    A. lower cost

    B. higher chirp

    C. easier to manufacture

    D. higher dispersion tolerance

    E. higher optical signal-to-noise ratio


    参考答案：D

  • 第2题：

    Based on the laser operation treatment of three patients。what can we infer from the passage?

    A．Laser light treatment is safe and effective．

    B．Laser light treatment is dangerous and ineffective

    C．Laser light treatment still requires much more studies．

    D．Government should encourage doctors to do research of laser light treatment on the human body．


    正确答案：D
    通读文章第一段，根据第二段后半部分，特别是最后两句，可知正确的推断应是D项。

  • 第3题：

    Which of the following stages in the laser print process attracts toner to the latent image on the photoconductor？（）

    • A、Writing
    • B、Fusing
    • C、Development
    • D、Transfer

    正确答案:C

  • 第4题：

    Which of the following printers would be the BEST choice for printing on multi-part forms?（）

    • A、Impact printer
    • B、Thermal printer
    • C、Inkjet printer
    • D、Laser printer

    正确答案:A

  • 第5题：

    Which of the following printers prints multi-part forms at once？ （）

    • A、ink jet
    • B、thermal
    • C、impact
    • D、laser

    正确答案:C

  • 第6题：

    单选题
    关于激光的英文"laser"，以下哪一项是正确的（）。
    A

    lightactivationbystimulationemanationofradiation

    B

    luminantamplimeterbystimulationemissionofradiation

    C

    lightactivationbystrongemissionofradiation

    D

    luminantactivationbeforestrongemissionofradiation

    E

    lightamplificationbystimulationemissionofradiation


    正确答案： B
    解析： 主要考查学生对laser一词的英文构成及理解。

  • 第7题：

    单选题
    The best title of the text might be ______.
    A

    The Laser: A Scientific & Technological Wonder

    B

    The Laser: A Powerful Tool for Communications

    C

    The Laser: A Solution to Life-Saving Problems

    D

    The Laser: A Multimillion Dollar Invention


    正确答案： A
    解析：
    主旨题。从文章的整体意思来看，作者在这篇文章里面描述了激光作为科技发展的产物在通讯、医药等领域起到巨大作用。可以说激光是现代科技的一个奇迹。其他概括不够全面，或有失偏颇。故正确的答案为A。

  • 第8题：

    单选题
    What is an advantage of an externally modulated laser over a directly modulated laser？ （）
    A

     lower cost

    B

     higher chirp

    C

     easier to manufacture

    D

     higher dispersion tolerance

    E

     higher optical signal-to-noise ratio


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following should be avoided when installing a laser printer?（）
    A

    Surge protector

    B

    UPS

    C

    RJ-45 connector

    D

    Toner


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    From the last paragraph we can see that the uses of the laser ______.
    A

    are yet to be simplified

    B

    are expanding all the time

    C

    remain an ideal in imagination

    D

    remain an issue beyond solution


    正确答案： C
    解析：
    细节题。关键句：原文第五段第三句话“As we have seen，the uses of the laser are numerous．”可知，目前激光的应用越来越广泛，故正确的答案为B。

  • 第11题：

    单选题
    From the text we learn that the laser can ______.
    A

    cut a structure from a right position

    B

    design parts of a complex structure

    C

    measure the distance between planets

    D

    predict the movement of earth’s plates


    正确答案： D
    解析：
    推断题。从原文第三段第三句话“The laser beam has also been used to measure remote distances，for example，the precise distance from the Earth to the Moon．”可知，利用激光还可以测量更远的距离，比如说地球和月亮之间的精确距离。通过语义转换，激光可以用作测量星球之间距离的工具，故正确的答案为C。

  • 第12题：

    单选题
    What is an advantage of an externally modulated laser over a directly modulated laser?（）
    A

    lower cost

    B

    higher chirp

    C

    easier to manufacture

    D

    higher dispersion tolerance

    E

    higher optical signal-to-noise ratio


    正确答案： A
    解析： 暂无解析

  • 第13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14题：

    What’S the main idea of the passage7

    A．Laser light treatment of heart disease should take the place of the traditional operatlon．

    B．Laser light treatment has been proved better and more effective than the traditional operation．

    C．More advanced technology should be encouraged to try on．

    D．Laser light treatment of heart disease still needs’more research．


    正确答案：D
    通读全文，特别是最后一段后半部分，可知正确答案应是D项。

  • 第15题：

    What is an advantage of an externally modulated laser over a directly modulated laser?（）

    • A、lower cost
    • B、higher chirp
    • C、easier to manufacture
    • D、higher dispersion tolerance
    • E、higher optical signal-to-noise ratio

    正确答案:D

  • 第16题：

    英译中：Laser scanner


    正确答案: 激光扫描仪

  • 第17题：

    Which of the following item colorizes the paper using a two-component laser printer？ （）

    • A、toner
    • B、laser beam
    • C、developer
    • D、ribbon

    正确答案:A

  • 第18题：

    单选题
    A technician is servicing a customer’s color laser printer and notices excess toner in the printer.Which of the following tools would BEST assist the technician in removing the excess toner?（）
    A

    Damp towel

    B

    Compressed air

    C

    Alcohol wipe

    D

    Computer vacuum


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    The writer thinks the most important use of the laser is in the field of ______.
    A

    medical treatment

    B

    national defense

    C

    space travel

    D

    metrology


    正确答案： C
    解析：
    细节题。关键句：原文第四段第一句话“Probably the most vital application of the laser is in the field of medicine．”可知，激光最重要的应用是在医药领域，故正确的答案为A。

  • 第20题：

    单选题
    Which of the following stages in the laser print process attracts toner to the latent image on the photoconductor？（）
    A

    Writing

    B

    Fusing

    C

    Development

    D

    Transfer


    正确答案： A
    解析： 暂无解析

  • 第21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22题：

    名词解释题
    英译中：Laser scanner

    正确答案： 激光扫描仪
    解析： 暂无解析

  • 第23题：

    单选题
    This new laser printer is _____ with all leading software.
    A

    competitive

    B

    cooperative

    C

    compatible

    D

    comparable


    正确答案： D
    解析：
    句意：这种新的激光打印机兼容所有领先的软件。compatible兼容的；能和睦相处的，合得来的。competitive竞争的，比赛的；求胜心切的。cooperative合作的；合作社的。comparable可比较的，类似的；比得上的。

  • 第24题：

    单选题
    A laser printer is sent for repair and the work order indicates that there is an image printing problem.  Which of the following should a technician do FIRST to confirm this problem？（）
    A

    Run the calibration feature on the laser printer.

    B

    Run a self-test image page from the printer.

    C

    Clean the corona wire and return printer.

    D

    Print a test page from a computer.


    正确答案： B
    解析： 暂无解析

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