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In C language, (69) are used to create variables and are grouped at the top of aprogram block.(69)A. declarationsB. dimensionsC. commentsD. descriptions

题目

In C language, (69) are used to create variables and are grouped at the top of aprogram block.

(69)

A. declarations

B. dimensions

C. comments

D. descriptions


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  • 第1题:

    数据库记录的显示命令是指()、DISP。

    A、GOTO

    B、LIST

    C、USE

    D、CREATE


    参考答案:B

  • 第2题:

    WAP uses(66)which includes the Handheld Device Markup Language(HDML)developed by Phone.com. WML can also trace its roots to eXtensible Markup Language(XML). A markup language is a way of adding information to your(67)that tells the device receiving the content what to do with it. The best known markup language is Hypertext Markup Language.(68)HTML, WML is considered a meta. language. Basically, this means that in addition to providing predefined(69), WML lets you design your own markup language(70). WAP also allows the use of standard Internet protocols such as UDP, IP and XML.

    A.HTML

    B.XML

    C.DML

    D.WML


    正确答案:D

  • 第3题:

    可以作为带T7噬菌体启动子的表达载体常用的宿主菌有()

    A.DH5α

    B.Top10

    C.BL21(DE3)

    D.JM101


    BL21 ( DE3 )

  • 第4题:

    能使数据库记录满屏显示而不暂停的命令是()。

    A、GOTO

    B、LIST

    C、USE

    D、CREATE


    参考答案:B

  • 第5题:

    在MySQL中,指定一个已存在的数据库作为当前工作数据库的命令是()

    A.SELECT

    B.USING

    C.USE

    D.CREATE


    USE

  • 第6题:

    重组质粒表达用的宿主菌是()

    A.DH5a;

    B.TG1;

    C.TOP10;

    D.BL21


    细菌染色体外的独立遗传单位