多选题Which of the following statements are legal？（）Along l = 4990；Bint i = 4L；Cfloat f = 1.1；Ddouble d = 34.4；Edouble t = 0.9F；

题目
多选题
Which of the following statements are legal？（）
A

long l = 4990；

B

int i = 4L；

C

float f = 1.1；

D

double d = 34.4；

E

double t = 0.9F；

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更多“Which of the following statements are legal？（）         ”相关问题

  • 第1题：

    Which of the following statements is NOT true?（）

    AAlfred the Great started the English navy.

    BAlfred the Great reorganized the Saxon any,making it more efficient.

    CAlfred the Great established schools and formulated a legal System.

    DAlfred the Great impose a tax,called the Danegeld,on the Saxons.


    D
    略

  • 第2题：

    Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）  

    • A、 The VERSIONS BETWEEN clause may be used in DML statements.
    • B、 The VERSIONS BETWEEN clause may be used in DDL statements.
    • C、 The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.
    • D、 The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.

    正确答案:C

  • 第3题：

    A companys legal and regulatory departments have drafted a new policy in which emails must be retained for no longer than three years.  Which of the following locations should an administrator configure when complying with the new policy？（）

    • A、 Local workstations
    • B、 Backup tapes
    • C、 Domain controllers
    • D、 Email server
    • E、 SMTP gateway
    • F、 Proxy server

    正确答案:A,B,D

  • 第4题：

    Which of the following statements are legal？（）         

    • A、 long l = 4990；
    • B、 int i = 4L；
    • C、 float f = 1.1；
    • D、 double d = 34.4；
    • E、 double t = 0.9F；

    正确答案:A,D,E

  • 第5题：

    多选题
    If p and q are primes greater than 2, which of the following statements must be true? (Indicate all such statements.)
    A

    p + q is even

    B

    pq is odd

    C

    p2-q2 is even


    正确答案： A,B
    解析：
    由于所有大于2的质数都是奇数，因此p和q均是奇数，两奇数相加为偶数，所以A项正确；两奇数的乘积还是奇数，所以B项正确；两奇数的平方还各自是奇数，而两奇数的平方之差是偶数，因此C项也正确；所以选择A、B、C三项。

  • 第6题：

    多选题
    Which of the following statements are true? (Indicate all such statements.)
    A

    τ(5) =τ(7)

    B

    τ(5) τ(7) =τ(35)

    C

    τ(5) + τ(7) =τ(12)


    正确答案： A,B
    解析：
    5和7均只有两个正除数，因此根据题干信息，A项正确；35有四个正除数，所以B项也是正确的；12有6个正除数，因此C项错误；选择A、B两项。

  • 第7题：

    单选题
    Which of the following statements is NOT a way of presenting new vocabulary? _____.
    A

    defining

    B

    using real objects

    C

    writing a passage by using new words

    D

    giving explanations


    正确答案： B
    解析：
    呈现新词汇的方法可以是下定义、实物展示、解释等。

  • 第8题：

    单选题
    Which of the following is the technology that helps organizations to reduce legal risks associated with e-mail？（）
    A

    Information Rights Management

    B

    Joumaling

    C

    Legal disclaimer

    D

    Messaging Records Management


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    For the following statements， which one is the strongest symmetrical encryption algorithm？（）
    A

    AES

    B

    3DES

    C

    DES

    D

    Diffie-Hellman


    正确答案： D
    解析： 暂无解析

  • 第10题：

    多选题
    Which of the following statements are legal？（）
    A

    long l = 4990；

    B

    int i = 4L；

    C

    float f = 1.1；

    D

    double d = 34.4；

    E

    double t = 0.9F；


    正确答案： B,D
    解析： 此题的考点是数字的表示法和基本数据类型的类型自动转换，没有小数点的数字被认为是int型数，带有小数点的数被认为是double型的数，其它的使用在数字后面加一个字母表示数据类型，加l或者L是long型，加d或者D是double，加f或者F是float，可以将低精度的数字赋值给高精度的变量，反之则需要进行强制类型转换，例如将int,short,byte赋值给long型时不需要显式的类型转换，反之，将long型数赋值给byte,short,int型时需要强制转换（int a=(int)123L;）。

  • 第11题：

    单选题
    Which of the following statements is correct concerning the “flash point ” of a liquid?（）
    A

    It is lower than the ignition temperature

    B

    It is the temperature at which a substance will spontaneously ignite

    C

    It is the temperature at which a substance, when ignited, will continue to bum

    D

    It is the temperature at which the released vapors will fall within the explosive range


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following statements is least likely to cause the ignition of fuel vapors?（）
    A

    Static electricity

    B

    An open running electric motor

    C

    Loose wiring

    D

    Explosion proof lights


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which of the following is the MOST important consideration when implementing a data retentio program？（）

    • A、 The data destruction requirements
    • B、 The user awareness training program
    • C、 The laws and legal requirements of the data
    • D、 The companys individual data retention policies

    正确答案:C

  • 第14题：

    Several @functions can execute multiple statements. Which one of the following initializes a variable and can increment in during the operation?（）

    • A、 @do 
    • B、 @for 
    • C、 @while 
    • D、 @dowhile 

    正确答案:B

  • 第15题：

    When disposing of data， which of the following should be considered FIRST？（）

    • A、Company policy requirements
    • B、Local legal requirements
    • C、Storage requirements
    • D、Disposal requirements

    正确答案:B

  • 第16题：

    Which of the following is the technology that helps organizations to reduce legal risks associated with e-mail？（）

    • A、Information Rights Management
    • B、Joumaling
    • C、Legal disclaimer
    • D、Messaging Records Management

    正确答案:D

  • 第17题：

    多选题
    Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)
    A

    c=d

    B

    l and k are parallel

    C

    m and l are perpendicular


    正确答案： C,B
    解析：
    根据题目中的已知信息无法推断出各直线的关系，因此B、C均不正确；而由图示可知，c和d分别是a和b的补角，由于a=b，所以c=d，A项正确。

  • 第18题：

    单选题
    The passage warns of which of the following dangers?
    A

    Companies in the United States may receive no protection from imports unless they actively seek protection from import competition.

    B

    Companies that seek legal protection from import competition may incur legal costs that far exceed any possible gain.

    C

    Companies that are United States owned but operate internationally may not be eligible for protection from import competition under the laws of the countries in which their plants operate.

    D

    Companies that are not United States owned may seek legal protection from import competition under United States import relief laws.


    正确答案： C
    解析：
    从第二段第一句话以及“Internationalization increases the danger that foreign companies will use import relief laws against the very companies the laws were designed to protect.”可知，D为正确选项。

  • 第19题：

    单选题
    If there is a conflict in policy for data retention， which of the following should the technician adhere to FIRST？（）
    A

    Industry best practices

    B

    Company policy

    C

    International standards

    D

    Local legal requirements


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    Which of the following statements is NOT a way of consolidating vocabulary?
    A

    Defining.

    B

    Matching.

    C

    Gap-filling.

    D

    Labeling.


    正确答案： D
    解析：

  • 第21题：

    多选题
    A companys legal and regulatory departments have drafted a new policy in which emails must be retained for no longer than three years.  Which of the following locations should an administrator configure when complying with the new policy？（）
    A

    Local workstations

    B

    Backup tapes

    C

    Domain controllers

    D

    Email server

    E

    SMTP gateway

    F

    Proxy server


    正确答案： F,A
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following statements is NOT true?（）
    A

    Alfred the Great started the English navy.

    B

    Alfred the Great reorganized the Saxon any,making it more efficient.

    C

    Alfred the Great established schools and formulated a legal System.

    D

    Alfred the Great impose a tax,called the Danegeld,on the Saxons.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following is the MOST important consideration when implementing a data retentio program？（）
    A

     The data destruction requirements

    B

     The user awareness training program

    C

     The laws and legal requirements of the data

    D

     The companys individual data retention policies


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Which of the following statements describes the functions of a reservoir used in a hydraulic system?（）
    A

    Dissipate heat

    B

    Trap foreign matter

    C

    Separate air from the oil

    D

    All of the above


    正确答案： C
    解析： 暂无解析

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