更多“46_____. A.find B.read C.collect D.keep ”相关问题
  • 第1题:

    在Linux底层文件访问中的大多数操作都是围绕文件描述符来展开的其中()函数是内核向进程返回一个文件描述符为以后使用

    A.open()

    B.read()

    C.write()

    D.close()


    正确答案:A

  • 第2题:

    Everything will be all right, Jane. () easy.

    A.Take B.Let it

    C.Take it D.Keep it


    正确答案:C

  • 第3题:

    要将当前目录及其自目录下后缀名为“.bak”的文件全部删除,正确的命令是()。

    A.find–name“*.bak”–execrm{};

    B.find–name“*.bak”–execrm{}/;

    C.find–name“*.bak”–execrm/;

    D.find–name“*.bak”–execrm{}/


    正确答案:B

  • 第4题:

    下列函数中,( )是对文件进行写操作的。

    A.get()

    B.read()

    C.seekg()

    D.put()


    正确答案:D

  • 第5题:

    Ithasbeendeterminedthatprintjobsfromanapplicationarenotbeingremovedfromthesystemaftertheyhavebeenprinted.Toremovethesejobsfromthe/var/spooldirectory,whichcronentrywillremovefilesmorethan7daysold?()

    A.find/var/spool/lpd/qdir-mtime-7-typef-execrm-f{}\

    B.find-name/var/spool/*-frm{}\

    C.find-name/var/spool/lpd/*-execrm{}\

    D.find/var/spool/lpd/qdir-mtime+7-typef-execrm-f{}\


    参考答案:D

  • 第6题:

    事务T1中有两次查询学生表中的男生人数,在这两次查询执行中间,事务T2 对学生表中加入了一条男生记录,导致T1两次查询的结果不一致,此类问题属于( ),为解决这一问题,应采用的隔级别是( )。

    A.可重复读 B.读脏数据 C.丢失修改 D.幻影现象 A.Read Uncommitted B.Read Committed C.Repeatable Read D.Serializable


    正确答案:D,D

  • 第7题:

    Which of the following teacher's instructions could serve purpose of eliciting ideas?__________

    A.Shall we move on?
    B.Read after me everyone.
    C.What can you see in this picture?
    D.What does the word "quickly" mean?

    答案:C
    解析:
    考查英语教学中的提问技巧。在英语教学中恰当地运用教学手段可以激励学生学习动力。C项的提问比较开放,且有助于全体学生的积极参与,能够激起学生的学习兴趣。

  • 第8题:

    假设要通过read语句分别给变量a和b赋值5和7,数据键入的顺序是:57。则( )的格式是正确的(表示空格)

    A.read(ab)

    B.read(b,a)

    C.read(ab)

    D.read(a,b)


    正确答案:D

  • 第9题:

    现有两个文件:packageX;publicclassX{publicstaticvoiddoX(){System.out.print("doX");}}和:importx.X;classFind{publiCstaticvoidmain(String[]args){XmyX=newX();myX.doX();X.doX();x.X.aoX():x.XmyX2=newx.X();myx2.doX();}}结果为:()

    A.Find类中第4行出现一个错误,编译失败。

    B.Find类第5行出现一个错误,编译失败。

    C.Find类第6行出现一个错误,编译失败。

    D.doXdoXdoXdoX


    参考答案:D

  • 第10题:

    以下说法错误的是()。

    A.find命令中,如果使用-iname选项,则会忽略文件名称的大小写

    B.重定向输入结束后,使用“Ctrl+C”组合键结束

    C.如要要强制退出vi,可以使输入“:q”命令

    D.vi编辑器中,在命令模式下输入“dd”,表示删除光标所在行


    正确答案:BC

  • 第11题:

    下列______不是Matcher类的方法。

    A.find()

    B.matches()

    C.start()

    D.matcher()


    正确答案:D

  • 第12题:

    对于入学成绩字段已建立索引,要查找入校总分在500分以上的同学,正确的是( )。

    A.FIND FOR入学成绩>500

    B.SEEK入学成绩>500

    C.FIND入学成绩>500

    D.LOCATE FOR 入学成绩>500


    正确答案:B

  • 第13题:

    Which of the following teacher’s instructions could seI've the purpose of eliciting ideas?

    A.Shall we move on?
    B.Read after me, everyone.
    C.What can you see in this picture?
    D.What does the world "quickly" mean?

    答案:C
    解析:
    考查英语教学中的提问技巧。在英语教学中恰当地运用教学手段可以激励学生学习动力。C项的提问比较开放.且有助于全体学生积极地参与进去。

  • 第14题:

    根据以下材料,回答题
    Sometimes I really doubt whether there islove between my parents. They are very busy working to 16 the family. They don′t act in the 17 ways that I read in books or I see on TV.18 flowers to each other onValentine′s Day is even more 19.One day, my mother was sewing a quilt (床单). I 20 sat down beside her and lookedat her. "Morn, is there love between you and Dad " I asked her in a21 voice.
    My mother stopped and raised her head with 22in her eyes. She didn′t answer immediately.
    Then she 23 her head and continued tosew the quilt. At last my mother said:
    "Susan," she said, "Look atthis thread. Sometimes it appears, but most of it 24 in the quilt.
    The thread really makes the quilt strong and25. If life is a quilt, then love should be a 26. It can hardly beseen anywhere or anytime, but it′s really there. Love is 27."
    The next spring, my father suddenly got sickseriously. When they returned from the hospital, mother looked rather pale andit seemed 28 of them had a serious illness. Everyday in the morning and dusk, my mother helped my father 29 slowly on the country road. My father hadnever been so 30.
    Along the country road, there were manybeautiful flowers, green grass and trees. The sun gently glistened through theleaves. All of these 31 themost beautiful picture in the world.
    "Dad, how are you feeling now " Iasked him one day.
    He said gently. " 32, I just like walking withyour morn. I like this kind of life." 33 his eyes, I know he lovesmy mother deeply.
    34 I thought love meant flowers, girls andsweet kisses. But from this 35, I understand that love is just a threadin the quilt of our life. Love is inside, making life strong and warm.


    A.hold
    B.support
    C.live on
    D.keep

    答案:B
    解析:
    考查动词辨析。根据句意可知,他们忙着养家,养家用support。