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单选题Only one of the following statements is true, according to what was said. Which one is it?A The approaches of the three researchers are quite different.B The three researchers’ approaches are all based on detecting imperfections in the print quality of

题目
单选题
Only one of the following statements is true, according to what was said. Which one is it?
A

The approaches of the three researchers are quite different.

B

The three researchers’ approaches are all based on detecting imperfections in the print quality of documents.

C

Old-school forensic scientists were unable to trace documents to particular typewriters based on quirks of the individual keys.

D

The researchers from Purdue believe the perfect pieces of engineering leave unique patterns of banding in their products.


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  • 第1题:

    When a teacher leads students to guess the meaning of a new word based on the contextual clue, which one of the following approaches does he use?

    A.Bottom-up Approach.
    B.Top-down Approach.
    C.Interactive Approach.
    D.3P Approach.

    答案:B
    解析:
    考查阅读教学模式。
    B选项,自上而下的模式(Top-down Approach) 是一个宏观的加工过程,通过背景、语境,符合题意,故此题的正确选项为B。
    A选项,自下而上的模式(Bottom-up Approach)是一个解码的过程,从单词句子、整篇文章的理解。
    C项,是交互式,结合A和B项;
    D项,是presentation-practice-production模式;
    故此题的正确选项为B。

  • 第2题:

    For the following statements, which one is perceived as a drawback of implementing Fibre ChannelAuthentication Protocol (FCAP)?()

    • A、It is restricted in size to only three segments
    • B、It requires the use of netBT as the network protocol
    • C、It requires the implementation of IKE
    • D、It relies on an underlying Public Key Infrastructure

    正确答案:D

  • 第3题:

    Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command:   RESTORE CONTROLFILE FROM AUTOBACKUP;   Which of the following statements is true?() 

    • A、 The command restores only the missing control file.
    • B、 The command restores all the control files.
    • C、 The command fails because the database is running.
    • D、 This is the correct way to address this problem.
    • E、 This is not the correct way to address this problem.

    正确答案:C,E

  • 第4题:

    A recently ordered server came standard with one 3.0GHz processor. It is capable of handling fourtotal processors. Which of the following processor combinations can be used in this server?()

    • A、 One, two, three or four processors
    • B、 One, two, or three processors
    • C、 One, three, or four processors
    • D、 One, two or four processors

    正确答案:D

  • 第5题:

    Which three statements about subqueries are true?()

    • A、A single row subquery can retrieve only one column and one row.
    • B、A single row subquery can retrieve only one row but many columns.
    • C、A multiple row subquery can retrieve multiple rows and multiple columns.
    • D、A multiple row subquery can be compared by using the ">" operator.
    • E、A single row subquery can use the IN operator.
    • F、A multiple row subquery can use the "=" operator.

    正确答案:B,C,D

  • 第6题:

    Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?() (Choose three.)

    • A、Both source and target database must be the same character set
    • B、Both source and target database must have the same endian format
    • C、The COMPATIBLE parameter must be the same in the source and target databases.
    • D、The minimum compatibility level for both the source and target database must be 10.0.0.
    • E、All read-only and offline data files that belong to the tablespace to be transported must be platform aware.

    正确答案:A,B,D

  • 第7题:

    多选题
    Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command:   RESTORE CONTROLFILE FROM AUTOBACKUP;   Which of the following statements is true?()
    A

    The command restores only the missing control file.

    B

    The command restores all the control files.

    C

    The command fails because the database is running.

    D

    This is the correct way to address this problem.

    E

    This is not the correct way to address this problem.


    正确答案: C,E
    解析: 暂无解析

  • 第8题:

    单选题
    Only one of the following statements is false, according to what was said. Which one is it?
    A

    Researchers said estimates of atomic bomb survivors' radiation doses are accurate.

    B

    Doubts about the accuracy of methods used to collect exposure data in 1945 prompted the review.

    C

    The earlier methods were unable to detect radioactive fallout because the researchers could not get close to the bomb site.

    D

    The amount of nickel in each copper sample can be correlated to the intensity of radiation exposure at the site.


    正确答案: D
    解析:
    录音首句便指出“对原子弹(atomic bomb)幸存者体内辐射含量(radiation doses)的估测是正确的”,接着提到“对1945年收集数据方法的准确度的怀疑促使了这次的重新估测”,因此选项C内容有误。
    【录音原文】
    Estimates of atomic bomb survivors’ radiation doses—the basis for current radiation exposure safety standards—are accurate, researchers said Thursday. Doubts about the accuracy of methods used to collect exposure data in 1945, immediately after the bombings in Hiroshima and Nagasaki, prompted the review. The earlier methods were unable to detect radioactive fallout more than a half-mile from each bomb site. The scientists examined copper samples from Hiroshima buildings for trace amounts of a radioactive nickel isotope produced by the atomic bomb explosion. The amount of nickel in each copper sample can be correlated to the intensity of radiation exposure at the site from which the sample was taken.

  • 第9题:

    单选题
    class One {  public One() { System.out.print(1); }  }  class Two extends One {  public Two() { System.out.print(2); }  }  class Three extends Two {  public Three() { System.out.print(3); }  }  public class Numbers{  public static void main( String[] argv) { new Three(); }  }  What is the result when this code is executed?()
    A

     1

    B

     3

    C

     123

    D

     321

    E

     The code rims with no output.


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    You need to deliver the three reports that detail the previous days transaction activity. What should you do?()
    A

    Create a new report that has three embedded subreports. Create one standard subscription.

    B

    Create three new reports based on the same dataset. Create one data-driven subscription.

    C

    Create three data-driven subscriptions on a single shared schedule. Ensure that the e-mail recipient list is identical across all three subscriptions.

    D

    Create three standard subscriptions on a single shared schedule. Ensure that the mail recipient list and subject are identical across all three subscriptions.


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    For the following statements, which one is perceived as a drawback of implementing Fibre ChannelAuthentication Protocol (FCAP)?()
    A

    It is restricted in size to only three segments

    B

    It requires the use of netBT as the network protocol

    C

    It requires the implementation of IKE

    D

    It relies on an underlying Public Key Infrastructure


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    With reference to a rotary vane steering gear system, which one of the following statements is true?()
    A

    The three moving vanes and the three fixed vanes form three pressure chambers

    B

    The three moving vanes and the three fixed vanes form six pressure chambers

    C

    The three moving vanes and the three fixed vanes form nine pressure chambers

    D

    The three moving vanes and the three fixed vanes form twelve pressure chambers


    正确答案: D
    解析: 暂无解析

  • 第13题:

    class One {  public One() { System.out.print(1); }  }  class Two extends One {  public Two() { System.out.print(2); }  }  class Three extends Two {  public Three() { System.out.print(3); }  }  public class Numbers{  public static void main( String[] argv) { new Three(); }  }  What is the result when this code is executed?() 

    • A、 1
    • B、 3
    • C、 123
    • D、 321
    • E、 The code rims with no output.

    正确答案:C

  • 第14题:

    Which three statements are true about terms in a policy?()

    • A、The order of the terms in a policy is irrelevant
    • B、The action is specified in a then statement
    • C、Ters are optional in a policy
    • D、The match condition can be identified with a from statement
    • E、Every policy must contain at least one term

    正确答案:B,D,E

  • 第15题:

    You need to deliver the three reports that detail the previous days transaction activity. What should you do?()

    • A、Create a new report that has three embedded subreports. Create one standard subscription.
    • B、Create three new reports based on the same dataset. Create one data-driven subscription.
    • C、Create three data-driven subscriptions on a single shared schedule. Ensure that the e-mail recipient list is identical across all three subscriptions.
    • D、Create three standard subscriptions on a single shared schedule. Ensure that the mail recipient list and subject are identical across all three subscriptions.

    正确答案:A

  • 第16题:

    Which three statements are true about a registration server in a community?() (Choose three.)

    • A、It is a hub device installed in the community.
    • B、A community can have one or more registration servers.
    • C、It shows the serial numbers of all devices in the community.
    • D、It stores network and community information for each device.
    • E、It is required for tunnel formation between different WX devices in the same community.

    正确答案:B,D,E

  • 第17题:

    Which three statements are true about windows? ()(Choose three.)

    • A、Only one window can be open at any given time
    • B、Consumer groups are associated with windows
    • C、Windows work with job classes to control resource allocation
    • D、The database service name must be provided during windows creation
    • E、Windows can automatically start job or change resource allocation among jobs for various time periods.

    正确答案:A,C,E

  • 第18题:

    单选题
    When a teacher leads students to guess the meaning of a new word based on the contextual clue, which one of the following approaches does he use?
    A

    Bottom-up Approach.

    B

    Top-down Approach.

    C

    Interactive Approach.

    D

    3P Approach.


    正确答案: A
    解析:

  • 第19题:

    单选题
    Which of the following statements represents the correct action to take when three crew members discover a fire?()
    A

    One man report the fire, and the other two men fight the fire

    B

    One man report the fire, one man fight the fire, and one man evacuate and secure the area

    C

    One man report the fire, one man fight the fire, and one man act as a safety observer

    D

    All three men fight the fire and report it immediately after it is extinguished


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    When a reader tries to guess the meaning of a new word based on the contextual clue, which one of the following approaches is he using? _____
    A

    Bottom-up Approach

    B

    Top-down Approach

    C

    Interactive Approach

    D

    Situational Approach


    正确答案: C
    解析:
    Top-down Approach意为“从上而下的方法”,即根据前后文来推断意思。

  • 第21题:

    单选题
    A recently ordered server came standard with one 3.0GHz processor. It is capable of handling fourtotal processors. Which of the following processor combinations can be used in this server?()
    A

     One, two, three or four processors

    B

     One, two, or three processors

    C

     One, three, or four processors

    D

     One, two or four processors


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Only one of the following statements is true, according to what was said. Which one is it?
    A

    The approaches of the three researchers are quite different.

    B

    The three researchers’ approaches are all based on detecting imperfections in the print quality of documents.

    C

    Old-school forensic scientists were unable to trace documents to particular typewriters based on quirks of the individual keys.

    D

    The researchers from Purdue believe the perfect pieces of engineering leave unique patterns of banding in their products.


    正确答案: A
    解析:
    录音首句便指出虽然三位研究人员所采取的方法有稍微的不同,但是“all are based on detecting imperfections in the print quality of documents”,因此选项B与录音内容相符。
    【录音原文】
    Though the approaches of the three researchers differ slightly, all are based on detecting imperfections in the print quality of documents. Old-school forensic scientists were—at least so the movies would have you believe—able to trace documents to particular typewriters based on quirks of the individual keys. The researchers from Purdue employ a similar approach, exploiting the fact that the rotating drums and mirrors inside a printer are imperfect pieces of engineering which leave unique patterns of banding in their products.

  • 第23题:

    单选题
    Which of the following best describes the structure of the passage?
    A

    It mentions a puzzling situation, and then describes three approaches people have taken to help understand that situation.

    B

    It presents an argument for why something took place, and then offers a refutation of that argument.

    C

    It introduces a past phenomenon and then presents three explanations for why the phenomenon took place.

    D

    It describes a problem, offers a solution to the problem, and then ofiers reasons why the solution could not work.

    E

    It offers three explanations for a phenomenon and then summarizes what all three have in common.


    正确答案: E
    解析:
    主旨题。文章首段点明了本文的主要内容,即科技股为什么会崩盘,然后后面的内容分别介绍了两个人对其不同的解释,故本题应选C项。

  • 第24题:

    单选题
    Which of the following statements is true concerning all three-phase alternators?()
    A

    Each has three separate but identical armature windings acted on by one system of rotating magnets

    B

    Each has one armature winding acted on by three identical but separate systems of rotating magnets

    C

    All three-phase alternators are designed to operate with a O8 leading power factor

    D

    The three phases always provide power to the load through three sets of slip rings and brushes


    正确答案: D
    解析: 暂无解析