s1笔试真题1

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2006-09-17笔试S1

2006-09-17笔试S1
GROUP BY cID
d) SELECT cID,AVG(lang),AVG(math),AVG(eng) FROM grade
GROUP BY cID
13)已知十六进制数1A的十进制数为26,请问十六进制数2B的十进制数表示是()。
(选择一项)
a)27
b)37
c)42
d)43
14)在JAVA中,要捕捉鼠标的单击事件,可以使用(a,c)类型的监听器。(选择二项)
a) Select*into customers from clients where l<>l
b)Select*into customers from clients where false
c)Insert into customers select *from clients where l<>l
For(i=0;i<4;i+=2)
{
totalPrice+=bookPrice[i];
i--;
}
Printf(“%d”,totalPrice);
}
18)要在网页中显示“欢迎访问我的主页!”,要求字体为隶书、字体大小为6。下列语句正确的是()。(选择一项)
a) <p><FONT SIZE=6TYPE=“隶书”>欢迎访问我的主页!</FONT>
b) <p><FONT SIZE=+2FACE=“隶书”>欢迎访问我的主页!</FONT>
c) <p><FONT SIZE=6FACE=“隶书”>欢迎访问我的主页!</FONT>
a) SELECT cID,AVG(lang,math,eng) FROM grade

公共英语一级真题2013年03月_真题(含答案与解析)-交互

公共英语一级真题2013年03月_真题(含答案与解析)-交互

公共英语一级真题2013年03月(总分100, 做题时间100分钟)第一部分听力第一节:图片判断在本节中,你将听到10个句子,每句话配有A、B、C三幅图片,请选择与句子内容目符合的一幅图片。

1.SSS_SIMPLE_SINA B C分值: 1答案:B[听力原文]W: The shop opens at 8 o'clock in the morning.2.SSS_SIMPLE_SINA B C分值: 1答案:A[听力原文]M: I'm sorry, but I didn't know the bottle was empty.3.SSS_SIMPLE_SINA B C分值: 1答案:C[听力原文]W: Both boys are ten years old and of the same size.4.SSS_SIMPLE_SINA B C分值: 1答案:B[听力原文]M: Mary and Jack went to the airport without having lunch.5.SSS_SIMPLE_SINA B C分值: 1答案:C[听力原文]W: She has flowers of different colors all around her house.6.SSS_SIMPLE_SINA B C分值: 1答案:A[听力原文]M: You'd better take some fruit with you when you go to see her.7.SSS_SIMPLE_SINA B C分值: 1答案:A[听力原文]W: My English teacher Bob is a big man with glasses.8.SSS_SIMPLE_SINA B C分值: 1答案:B[听力原文]M: Elbert got up from his chair when the telephone rang.9.SSS_SIMPLE_SINA B C分值: 1答案:C[听力原文]W: The tourist found a place to park his car at last.10.SSS_SIMPLE_SINA B C分值: 1答案:B[听力原文]M: Flight SA502 is about to leave from Gate 4.第二节:对话理解在本节中,你将听到15段对活,每段对话有一个问题。

历年计算机软件水平考试程序员笔试真题

历年计算机软件水平考试程序员笔试真题

试题1从下列叙述中,选出5条正确的叙述,把编号依次写在答卷的A-E栏内.1.在有些操作系统中,外部设备通常被作为⽂件处理.2.递归算法的程序结构⽐迭代算法的程序结构更为清晰.3.在软件开发过程中,编程作业的代价.4.数组是同类型值的集合.5.树是⼀种线性表.6.良好的程序设计风格应以缩⼩程序占⽤的存储空间和提⾼程序的运⾏速度为原则.7.为了提⾼程序的运⾏速度,有时采⽤以存储空间换取运⾏速度的办法.8.对同⼀算法,⽤⾼级语⾔编写的程序⽐⽤低极语⾔编写的程序运⾏速度快.9.数据是计算机系统的⼀种资源.10.COBOL是⼀种⾮过程型语⾔.11.LISP是⼀种逻辑型程序设计语⾔.12.UNIX是⼀种交互的分时操作系统.试题2选出应填⼊下列叙述中的____内的正确答案,把编号写在答卷的对应栏内.线性表的表元存储⽅式有_A__和链接两种.试指出下列表中使⽤的是何种存储⽅式:表1是_B__存储⽅式;表2是_C___存储⽅式;表3是__D__存储⽅式;表4是_E___存储⽅式.表左的S指向起始表元表1 表2┏━━━━┳━━┳━━┳━━━━━┓┏━━━━┳━━┳━━┳━━━━━┓┃表元编号┃货号┃数量┃表元间联系┃┃表元编号┃货号┃数量┃表元间联系┃┣━━━━╋━━╋━━╋━━━━━┫┣━━━━╋━━╋━━╋━━━━━┫S→┃ 1 ┃ 618┃ 40┃ 2 ┃┃ 1 ┃ 618┃ 40┃ 5 ┃┃ 2 ┃ 205┃ 2┃ 3 ┃S→┃ 2 ┃ 205┃ 2┃ 1 ┃┃ 3 ┃ 103┃ 15┃ 4 ┃┃ 3 ┃ 103┃ 15┃ 4 ┃┃ 4 ┃ 501┃ 20┃ 5 ┃┃ 4 ┃ 501┃ 20┃ 0 ┃┃ 5 ┃ 781┃ 17┃ 6 ┃┃ 5 ┃ 781┃ 17┃ 6 ┃┃ 6 ┃ 910┃ 24┃ 0 ┃┃ 6 ┃ 910┃ 24┃ 3 ┃┗━━━━┻━━┻━━┻━━━━━┛┗━━━━┻━━┻━━┻━━━━━┛表3 表4┏━━━━┳━━┳━━┳━━━━━┓┏━━━━┳━━┳━━┳━━━━━┓┃表元编号┃货号┃数量┃表元间联系┃┃表元编号┃货号┃数量┃表元间联系┃┣━━━━╋━━╋━━╋━━━━━┫┣━━━━╋━━╋━━╋━━┯━━┫┃ 1 ┃ 618┃ 40┃ 5 ┃┃ 1 ┃ 618┃ 40┃ 5 │ 2 ┃S→┃ 2 ┃ 205┃ 2┃ 1 ┃S→┃ 2 ┃ 205┃ 2┃ 1 │ 0 ┃┃ 3 ┃ 103┃ 15┃ 4 ┃┃ 3 ┃ 103┃ 15┃ 4 │ 6 ┃┃ 4 ┃ 501┃ 20┃ 2 ┃┃ 4 ┃ 501┃ 20┃ 0 │ 3 ┃┃ 5 ┃ 781┃ 17┃ 6 ┃┃ 5 ┃ 781┃ 17┃ 6 │ 1 ┃┃ 6 ┃ 910┃ 24┃ 3 ┃┃ 6 ┃ 910┃ 24┃ 3 │ 5 ┃┗━━━━┻━━┻━━┻━━━━━┛┗━━━━┻━━┻━━┻━━┷━━┛供选择的答案A,B,C,D,E: 1.连续 2.单向链接 3.双向链接 4.不连续 5.循环链接6.树状7.状8.随机9.顺序 10.顺序循环试题3根据其服务对象,常⽤的单处理机的操作系统可分为以下3种类型:1)允许多个⽤户在其终端上同时交互的使⽤计算机的操作系统,称为_A__,通常*采⽤_B__策略为⽤户服务.2)允许⽤户把若⼲个作业提交计算机系统集中处理的操作系统,称为_C__.3)在_D__的控制下,计算机系统能及时处理由过程控制反馈的数据并作出响应.设计_D__时,⾸先要考虑系统的_E__.供选择的答案A,C,D: 1.络操作系统 2.分布式操作系统 3.分时操作系统 * 4.实时操作系统 5.单⽤户操作系统 6.批处理操作系统B,E: 1.可靠性和灵活性 2.实时性和可靠性 3.优先权分配4.时间⽚轮转5.短作业优先6.时间⽚加权分配试题4根据⽂件的内部结构,可以把⽂件分为记录式⽂件和流式⽂件两类.记录式*⽂件是⼀个有相同类型记录的有序集合.流式⽂件内部没有记录概念.最常见的*流式⽂件是字符流⽂件,可看成是_A__的有序集合.⼀般来说⽂件名及其属性可*以收纳在_B__中,以便查找._B__本⾝也是⼀种_C__.⽤户可以通过键盘命令和系*统调⽤两种⽅式,使⽤⽂件系统.当⽤户通过键盘命令修改⽂件时,应使⽤_D__命令;在程序内使⽤⽂件之前,需先使⽤_E__语句.供选择的答案A: 1.字符串 2.数组 3.记录 4.页⾯B: 1.⽬录 2.索引 3.字典 4.作业控制块C: 1.数组 2,记录 3.⽂件 4.数据集合D: 1.创建 2.修改 3.改名 4.编辑E: 1.打开 2.读 3.建⽴ 4.写试题5⼈们在使⽤⾼级程序设计语⾔编程时,⾸先可通过编译程序发现源程序中的*全部_A__及部分_B__.然后可采⽤_C__来发现程序中的运⾏错误和采⽤_D__来确定错误的位置._E__是泛指⽤户在验收中发现的结果于需求不符的错误.供选择的答案A,B,E: 1.符号错误 2.逻辑错误 3.语法错误 4.通路错误5.语义错误6.溢出错误7.设计错误C,D: 1.诊断 2.测试 3.校验 4.排错 5.普查 6.试探试题6 2 3右⾯流程图⽤于找出不定⽅程X+2=Y (1<=x<=100)所有整数解.供选择的答案A,C,D: 1.x:0 2:w:t 3.t:x 4.x:100 5.w:100 6.y:t 7.x:101 8.t:100B,E: 1.x→y 2.x→w 3.Y*Y→w 4.1→w 5.Y*Y*Y→w 6.x*y→w 7.w+1→w试题7⼆进制数1011.101相应的⼗进制数是_A__. ⼗进制数1989的余3代码是_B__.设以N=S1S2.b1b2b3...bk表⽰⼀浮点数的双符号位补码尾数(也称为变形补码,其中S1,S2为双符号位,各Sj,bi均取值0或1).当_C__时,此尾数为规格化数.当运算结果出现_D__时,需进⾏左规;当运算结果尾数出现_E__时,表明尾数溢出,则需进⾏右规.供选择的答案A: 1.9.3 2.11.5 3.11.625 4.11.10B: 1.0001 1001 1000 1100 2.0100 1100 1011 11003.0001 1001 1000 01104.0000 0111 1100 1000C,D,E: 1.S1,S2,b1三者相同 2.S1,S2相同⽽与b1不同 3.S1与S2不同且必须S2=b14.S1与S2不同,⽽不论b1为何值5.S1与b1相同但与S2不同6.S1与b1相同,⽽不论S2为何值试题8由逻辑变量A,B,C构成的多数表决函数的逻辑表达式F=_A__.三个逻辑变量A,B,C的⾮⼀致函数的逻辑表达式F=_B__.━━━━已知有逻辑关系式AB+AB=C,则AC+AC=_C__.有⼀套四机联动系统,当D机运⾏时,A,B,C三机才可运⾏.当A,B,C同时运⾏或其*中A,C两机或B,C两机同时运⾏时,可使⼀指⽰灯F亮.则指⽰灯F亮的逻辑表达式F=_D__.━━━━━化简F=A+ABC+ACD+(C+D)B=_E__.供选择的答案A,B,C: 1.0 2.1 3.A 4.B 5.C 6.A○B+B○C+C○A 7.A○B○C________________________───────────────8.AB·BC·CA 9.AB+BC+CA 10.A+B+C* __D,E: 1.A+CD 2.ABC+D 3.A+B+CD 4.(A+B)CD 5.A+B+CD 6.AB*D试题9⼀个双⾯5英⼨软盘⽚,每⾯40道,每道8个扇区,每个扇区512个字节,则盘⽚总容量为_A__.若该盘驱动器转速为600转/分,则平均等待时间为_B__,数据传送率为_C__.某固定磁头硬盘有16个磁头,每磁道存贮量为62500位,盘驱动器转速为2400转/分则数据传送率为_D__.某台标准9道磁带机,带速为200⼨/秒,存贮密度为1600BPI.磁带记录格式为*每块3200字节,块间间隙为0.5⼨,则其平均数据传送率为_E__.供选择的答案A: 1.160KB 2.320KB 3.640KB 4.1.2MBB: 1.25MS 2.50MS 3.100MS 4.200MSC,D,E: 1.10KB/S 2.40KB/S 3.256KB/S 4.320KB/S 5.5MB/S 6.40MB/S 7.256MB/S 8.320MB/S 试题10从下列叙述中,选出5条正确的叙述,把编号依次写在答卷的A-E栏内.1.在CPU中执⾏算术运算和逻辑运算都是按位进⾏且各位之间独⽴⽆关的.2.在没有设置乘,除法的计算机系统中就⽆法实现乘,除法运算.3.在做浮点运算时,是根据阶码是否溢出来判断最后结果是否溢出的.4.⼤多数个⼈计算机中可配制的内存容量受地址总线位数限制.5.⼤多数个⼈计算机中可配制的内存容量受指令中地址码部分位数的限制.6.可编程逻辑阵列也是主存的⼀部分.7.由组合逻辑电路互连构成的⼀定还是组合逻辑电路.8.可编程的只读存贮器芯⽚不⼀定是可改写的.9.双极型半导体存贮器芯⽚通常⽐⾦属氧化物半导体存贮器芯⽚存取速度快,但*价格也贵.10.磁带上的信息必须定时刷新,否则⽆法长期保存.11.汉字内码为计算机系统内部处理和存贮的形式,它的码长与ASCII码仅有⼀位之差.12.汉字输⼊码可分为⽆重码和有重码两类.国标码,区位码,电报明码等为⽆重*码类码,⽽拼⾳码,⾸尾码等为有重码类码.试题11选出与下列⽂件操作语句关系最密切的应填⼊相应___中的单词,The _A_ statement causes the positioning of a file to be as it whenwas the file was first opened.The _B_ statement disconnects a unit number from a specific file.The _C_ statement is used to transmit data from a file to a program.The _D_ statement is treated only as documentation and is ignored duringthe execution of the program.The _E_ statement assigns a unit number ti a specific file.The answers:A,B,C,D,E: MENT 2.EXECUTE 3.CLOSE 4.READ 5.REWIND 6.OPEN 7.WRITE 8.FORWARD试题12选出应填⼊下⾯⼀段英语中____内的正确答案,把编号写在答卷的对应栏内.The terms FIFO and LIFO refer to two techniques for _A_ with collectionof items to which additions and _B_ are to be made. The acronym FIFO _C_for first-in-first-out and LIFO represents last-in-first-out. Derived frombusiness accounting and investing management _D_,these techniques have found widespread application in computer science. For example, the LIFO technique has been uesd in the parsing tehniques employed by compilers and in the _E_of data.The answers:A,B,C,D,E: 1.producing 2.dealing working 4.searching 5.deletions6.locations7.observations8.notations9.stands 10.represents11.finds 12.replaces试题13* 从下列英语叙述中,选出5条正确的叙述,把编号依次写在答卷的对应栏内.1.The language translator converts the symbolic program into source program.2.The coded program written by a programmer is called an object program.3.COBOL is self-documenting unlike many technical language.4.FORTRAN has high capabilities for performing input/output operations andin handling nonnumeric data.5.Loading is a process through which the information on the diskettes or tapesis read by the input unit and stored in the proper memory location.6.The assemble executes source codes directly by determining the meaning of each statement as it is encounted.7.Magnetic tape uses cylinders for finding data.8.Hexadecimal is used as a shorthand for the internal codes.9.Another name of diskette is floppy disk.10.An IF-THEN-ELSE selection technique can never br part of a loop.11.The most popular language for scientific computing is FORTRAN.12.It is much easier to access data in a file than in a data base.试题17积分和微分是两种分析运算,它们都是⽤_A_来定义的.数值积分和数值微*分可归结为函数值的_B_,从⽽使计算过程可以在计算机上完成.处理数值积分和数值微分的基本⽅法是_C_.⽜顿求积公式中节点间距离是_D_的,⽽⾼斯*公式中节点间距离是_E_的.供选择的答案A,B: 1.四则运算 2.导数运算 3.函数运算 4.极限运算 5.极数运算 6.逻辑运算C: 1.逼近法 2.反幂法 3.消去法 4.变换法D,E: 1.递增 2.递减 3.等距 4.有极数规律 5.⾮上述规律试题18从下列叙述中,选出5条正确的叙述,把编号依次写在答卷的A-E栏内.下⾯叙述中E(X)和D(X)分别是随机变量X的期望值和均平⽅值.1.事件A和事件B不相容的充要条件是P(A*B)=0.2.若事件A 和 B相互独⽴,则P(A*B)=0和P(A+B)=P(A)+P(B).3.掷两个匀称的(6点)骰⼦,则P(点数之和=2)=1/(6+6).24.若X的概率密度函数服从正态分布N(µ,σ),则 E(x)=µ,D(x)=σ.5.记φ(x)为N(0,1)的分布函数,则φ(x)=φ(-x).6.设x服从普阿松分布,则E(x)=D(x).2 27.对任意随机变量X,都有E(X)=(E(X))+D(X).8.D(x)=E(x-E(x)).9.若随机变量x,y独⽴,则D(x-y)=D(x)-D(y).10.设x1,x2,...,xn 为母本x的随机样本,g(x1,x2,...,xn)为⼀连续函数,则g(x1,x2,...xn)*为⼀统计量.1 n 2 211.样本均⽅差Dn=───Σ(Xi-E(X))是总体均⽅差σ的⽆偏估计.n-1 i=112.参数的似然估计值必.试题19考虑由甲⼄两⽅进⾏的零和对策问题,设它们采⽤的策略都是使⾃⼰的*的损失最⼩,这常被称之为_A_准则.现给出甲的得分如表1所⽰.由该表可见,我*们⽆法找到__B__,因此我们转向使⽤__C__策略来求解这⼀问题.通过化简可得*甲的得分表如表2所⽰.由此可得甲的决策是__D__,此时甲的期望分是__E__.┏━━━┯━━━━━━━━━━━━━━┓┏━━━┯━━━━━━━┓┃│⼄选择的对策┃┃│⼄选择的对策┃┃├──┬──┬──┬──┬──┨┃├───┬───┨┃│ 1' │ 2' │ 3' │ 4' │ 5' ┃┃│ 1' │ 2' ┃┠─┬─┼───┼───┨┃甲│1 │ 3 │ 4 │ 0 │ 3 │ 0 ┃┃甲│││┃┃├─┼──┼──┼──┼──┼──┨┃选│3 │ 7 │ 3 ┃┃选│2 │ 5 │ 0 │ 2 │ 5 │ 9 ┃┃择│││┃┃├─┼──┼──┼──┼──┼──┨┃的├─┼───┼───┨┃择│3 │ 7 │ 3 │ 9 │ 5 │ 9 ┃┃对│││┃┃├─┼──┼──┼──┼──┼──┨┃策│4 │ 4 │ 6 ┃┃对│4 │ 4 │ 6 │ 8 │ 6 │ 6 ┃┃│││┃┃├─┼──┼──┼──┼──┼──┨┗━┷━┷━━━┷━━━┛┃策│5 │ 6 │ 3 │ 8 │ 3 │ 3 ┃┗━┷━┷━━┷━━┷━━┷━━┷━━┛供选择的答案A,B,C:①②最⼩③最⼩最⼩④最⼩⑤鞍点⑥极点⑦拐点⑧零点⑨单纯⑩混和⑾随机⑿复合D:设α=(α1,α2,α3,α4,α5)为甲选择对策1,2,3,4,5的概率;设β=(β1,β2,β3,β4,β5)为⼄选择对策1',2',3',4',5'的概率.①α=(0,0,0,1,0) β=(1,0,0,0,0)②α=(0,0,3/5,2/5,0) β=(3/5,2/5,0,0,0)③α=(0,0,1/2,1/2,0) β=(1/4,3/4,0,0,0)④α=(0,0,1/3,2/3,0) β=(1/2,1/2,0,0,0)E:① 5 ②5,5 ③5,8 ④9试题20如何抑制⼲扰是计算机数据测量中的重要问题,通常采⽤具有差分输⼊的运*算放⼤器作为输⼊级是为了克服___A___型⼲扰.为了提⾼测量中的信号/噪声⽐,常采⽤⾼的采样率和滑动平均法对近邻的N*个数据平均.若测量中包含的是与信号不相⼲的随机噪声,则可期望⽤此⽅法使*信号/噪声⽐为原来的___B___倍.如果除掉值和最⼩值然后再求平均,则可*提⾼抑制___C___型噪声的能⼒.我们还可以使⽤数字滤波去除噪声.设Yn和Xn分别为输出和输⼊序列,a>0和b>0是系数,则Y(n)=aX(n)+bY(n-1)是___D___型滤波,Y(n)=aX(n)-bY(n-1)是___E___供选择的答案A,C:①电磁②交流③直流④脉冲⑤共模⑥串模⑦地线⑧相关B:① N ②N ③N ④N/2D,E:①低通②⾼通③带通④带阻下午试题试题⼀[说明]流程图1.1实现了⼀个将⼀组⽆序数列a1,a2,...,an排成递增序列的算法.该算法在s-1到r(初值为1到n)的区间内,先冒泡后进⾏排序,直到该区间为空.图中变量K⽤来指出⼀次冒泡或下沉后a1--ak或ak--an已排序.试题3阅读下列程序说明和PASCAL程序,把应填⼊其中_______处的字句,写在答卷的对应栏内.[程序说明]本题给出的⼦程序⽤来寻找第⼀个均出现在三个整数链表中的相同整数.假定在调⽤该⼦程序前,这三个整数链表已按从⼩到⼤的次序排序.有关的类型定义如下: type pt=^elem;elem=recordint:integer;link:ptend;[程序]procedure lookint (f1,f2,f3:pt; var found:boolean; var val:integer);var exit:boolean;begin found:=false;while ____________ and not found dobeginif __________________then f1:=f1^.linkelse if _______________then f2:=f2^.linkelse found:=true;if foundthen begin found:=false; exit:=true;while (f3<>nil) and not found and exit doif f3^.int=f1^.intthen found:=trueelse if ___________________then f3:=f3^.linkelse begin _______________;exit:=falseendendend;if found then val:=f1^.intend;试题7[程序说明]本⼦程序⽤来建⽴⼀个已知⽂件的索引⽂件.建⽴索引的关键字段名为key.设有类型:seqelement=record ..., key:simpletype, ... end;tmpelement=record {⼯作⽂件的成分类型}key : simpletype; {存贮关键字值}no : integer {对应的已知⽂件成分的序号}end;tseqfile = file of seqelement; {已知⽂件的类型}tindxfile = file of integer; {索引⽂件类型}其中 simpletype 是某简单顺序类型名.为建⽴索引⽂件,⼦程序引⼊⼀个数组a与两个⼯作⽂件g,h.建⽴索引⽂件的⽅法是:⾸先重复执⾏以下步骤,直⾄已知⽂件读完:1. 从已知⽂件读出多⾄100个记录,将记录中关键项的值及该记录的序号送到数组a;2. 对a按关键字值从⼩到⼤排序;3. 将a与⽂件g(或h)合并于⽂件h(或g).合并时,使⽂件h(或g)是按关键字值排序的.然后由⽂件h(或g)⽣成索引⽂件.[程序]procedure indexed (var seqfile : tseqfile; var index file : tindxfile);const arsize = 100;type tmparray = array [1..arsize] of tmpelement;tmpfile = file of tmpelement;var a : tmparray;g,h : tmpfile;n,recno : integer;s : boolean;procedure sort(var a : tmparray; n : integer); {将数组a的前n个元素按key递增排序,本过程的过程体省略}procedure combi(var f1,f2 : tmpfile); {将⽂件f1与数组a按关键字值从⼩到⼤合并于⽂件f2}var i,j : integer;begin i:=1; reset(f1); rewrite(f2);while ________________ dobeginif f1^.key <= a[i].key thenbegin f2^:=f1^; get(f1) endelsebegin ___________ ; __________ end;put (f2);end;while not eof(f1) dobegin f2^:=f1^; get(f1); put(f2) end;for j:= i to n dobegin f2^:=a[j]; put(f2) endend;procedure gindex (var f:tmpfile);begin rewrite (indexfile); reset(f);while not eof(f) dobegin indexfile^:=f^.no;put (indexfile); get(f)endend;begin reset(seqfile); recno:=0;s:=true;repeat n:=0 ;while ____________ dobegin n:=n+1; a[n].key:=seqfile^.key;recno:=recno+1;a[n].no:=recno;get(seqfile)end;sort(a,n);if s then combi(g,h)else combi(h,g);_______________________until eof (seqfile);if ________________ then gindex(g)else gindex(h)end;试题11[程序说明]本程序能从1⾄n(n<1000)的⾃然数中取r个数的所有组合,并按指定的格式输出其结果.例如,n=5,r=3时,共有10种组合(见下⾯左边列表),⽽程序将按下⾯右边列表形式输出(每⼀⾏前有⼀空格).10种组合程序输出形式combinations:1,2,3 1 2 31,2,4 41,2,5 51,3,4 3 41,3,5 51,4,5 4 52,3,4 2 3 42,3,5 52,4,5 4 53,4,5 3 4 5[程序]program comnr(input,output);var n,r:integer;blank:boolean;proecdure combination(s,j:integer);var i:integer;beginfor i:= _____________ to n-j+1 dobeginif ____________ then write (' ':______________*3+1); write (i:3); blank:=false;if ___________________ thencombination (______________)else beginwriteln;______________________endendend;begin writeln('ENTER N,R.');readln(n,r); blank:=true;writeln('combinations:');combination(1,r)end.。

2012 SEB技术笔试试题(S1)-第二套参考答案

2012 SEB技术笔试试题(S1)-第二套参考答案

评分标准
必须跟参考答案 一致,否则就判 为错误
评分标准
1
按照公司安全操作规程准备完毕后,正确进入轿顶,利用导轨清洁剂由上而下对整 重点答对
条导轨进行润滑,作业完毕应将油盒正确安装并检查电梯运行。
由上而下润滑
2
在保证手动松闸有效的情况下,大垫片应用手可转动,尺寸要求:大垫片底部离台 阶间隙不小于0.5mm。
2012 SEB技术能力评估笔试试题(第二套参考答案)
一、多项选择题(共计60题)
题号 答案 题号 答案
1
B
16
B
2
B、C
17
C
3
B
18
C
4
C
19
A
5
D
20
A、B、C
6
A
21
C
7
D
22
A
8
C
23
B
9
A
24
C
10
B
25
B
11
C
26
D
12
D
27
C、D
13
D
28
B
14
A
29
D
15
A
30
A
二、问答题(共计5题)
能答出大垫片手可转 动或不小于0.5mm尺寸 要求
3 延长设备的使用寿命。
与答案相似
4 接线可靠;屏蔽线有效接地;
与答案相同5Fra bibliotek负载125%。禁止开门和厅外呼梯。顶紧轿底螺丝、将电梯转到RDF模式、设定参数 6_72 为1下行内呼,当电梯达到额定速度时,转RDF为ON。曳引轮应停止运转。
与答案相似

CWS一级课程考试题目及答案

CWS一级课程考试题目及答案

CWS一级课程考试题目及答案一、单项选择题(每题2分,共20分)1. 英语中表示“在...里面”的介词是:A. inB. onC. atD. to答案:A2. 下列哪个单词的意思是“图书馆”?A. bankB. hospitalC. libraryD. museum答案:C3. 用英语表达“我正在学习”应该使用:A. I studyB. I am studyingC. I studiedD. I will study答案:B4. 英语中“你好吗?”的正确表达是:A. How do you do?B. How are you?C. What are you doing?D. Where are you going?答案:B5. 下列哪个选项是正确的英语句子?A. She don't like apples.B. She doesn't like apples.C. She don't likes apples.D. She doesn't likes apples.答案:B6. “我需要一杯水”用英语怎么说?A. I need a cup of coffee.B. I need a cup of tea.C. I need a glass of water.D. I need a cup of water.答案:D7. “明天见”用英语表达是:A. See you tomorrowB. See you todayC. See you yesterdayD. See you later答案:A8. “请稍等”用英语怎么说?A. Wait a momentB. Wait a minuteC. Hold onD. All of the above答案:D9. “我喜欢游泳”的正确英语表达是:A. I like to swim.B. I like swimming.C. I like swim.D. I like swiming.答案:B10. “你叫什么名字?”用英语怎么说?A. What is your name?B. What are your name?C. What's your name?D. What's are your name?答案:C二、填空题(每题2分,共20分)1. 英语中“在...下面”的介词是_________。

笔试题目

笔试题目

神州数码系统科技软件开发工程师岗位职责:负责网络产品软件开发工作,参与模块的需求分析,概要、详细设计、编码以及相关产品的维护工作。

岗位要求:1、本科及以上学历,计算机相关专业;2、专业基础扎实,专业课程掌握较好;3、对软件开发工作有兴趣,掌握C/C++语言;4、有项目经验优先考虑;CCNA/CCNP优先考虑。

请点击应聘职位工作地点进行职位申请工作地点:北京供应链软件开发工程师岗位职责:1、基于Java技术的应用开发;2、参与系统的分析与设计,配合测试,后期技术支持;3、编写文档。

岗位要求:1、硕士学历,计算机相关专业;2、精通JAVA编程,对J2EE架构有深入了解;熟悉Oracle或者SQLServer数据库编程;3、认真、勤奋、有责任心,沟通能力强,良好的协作精神,能承受较大工作压力;4、优先考虑:对Weblogic或WebSphere有深入了解者; 有实习或项目实践经验者优先;5、能够实习2-3个月。

请点击应聘职位工作地点进行职位申请工作地点:北京盛科招聘要求盛科网络广招软件实习生(长期实习)盛科网络(苏州)有限公司2009-07-21软件实习生招聘人数:若干任职资格:教育背景:◆通信、电子工程、自动化、计算机及其相关专业硕士以上学历。

经验:◆ 2011年毕业的在校研究生。

技能技巧:◆熟练掌握C/C++,Tcl/Perl,数据结构,操作系统原理;◆掌握Linux下软件开发技能;◆具备编码和撰写文档的能力;◆熟悉软件开发流程、设计模式、体系结构;◆独立解决技术问题,有较强的创新意识;◆有良好的英语读写水平。

态度:◆工作严谨细致,有责任心;◆勤奋踏实,善于分析思考问题;◆有时间观念,独立性强,具有团队合作精神。

工作内容:负责关于设计、验证、测试流程自动化的工作;设计、验证、测试芯片。

任职资格:教育背景:◆重点大学211学校,数字电路设计、计算机、通信、电子等相关专业硕士学历经验:◆在校学生,实习时间稳定(长期实习1年)技能技巧:◆熟悉ASIC设计流程◆熟悉VerilogHDL或C语言编程;◆熟悉Design for Test(DFT)优先考虑;◆具有良好的英语读写水平◆学习能力较强,独立跟踪和解决问题,沟通能力较强。

2013 SEB技术能力评估笔试试题(S1)-第四套


D. 门控板
41 LCECCB是什么板
A. 中央处理器板
ቤተ መጻሕፍቲ ባይዱ
C. 井道网络电子板
B. 轿顶接线盒电子板
D. 门控板
42 LCECAN是什么电子板?
A. 中央处理器板
C. 安全回路板
B. 群控板
D. 门控板
43 楼层控制板是哪个?
A. LCECPUnc
C. LCEADO
B. LCEFCB
D. LCECCB
(
)
A. 降低电梯运行噪音,提高运行舒适感 C. 保证电梯称重的准确度
B. 降低电梯的平层误差
D. 增加轿厢运行的摩擦力
3
每根导轨至少需要(
)个支架固定
(
)
A. 1
C. 3
B. 2
D. 4
4
不设安全钳的对重导轨接头处台阶应不大于_______。
(
)
A. 0.05mm
C. 0.10mm
B. 0.15mm
A. 龙门架
C. 斜拉杆
B. 称重弹簧
D. 限速器联动杆
33 在使用钢丝绳润滑器时毛刷凹槽与钢丝绳接触深度是:
A. 钢绳直径1/3
C. 钢绳全部
B. 钢绳直径3/4
D. 钢绳直径1/2
34 曳引钢丝绳张紧力偏差应不大于平均值的_______。
A. 20%
C. 10%
B. 15%
D. 5%
35 曳引钢丝绳绳端用三个绳夹固定,绳尾长度约为_______
分公司: 选择题正确题数:
姓名: 问答题通过题数:
工号: 阅卷老师:
14 在外部开厅门应使用什么工具
A. 十字螺丝刀
C. 老虎钳

操作系统笔试题及答案1

操作系统笔试题及答案11.在以下系统中,( )是实时系统。

A.计算机激光照排系统 B.航空定票系统 C.办公自动化系统 D.计算机辅助设计系统答案:B 2.操作系统是一种( )。

A.应用软件 B.系统软件 C.通用软件D.工具软件答案:B 3.引入多道程序的目的在于( )。

A.充分利用CpU,减少CpU等待时间 B.提高实时响应速度 C.有利于代码共享,减少主、辅存信息交换量 D.充分利用存储器答案:A 4.已经获得除( )以外的所有运行所需资源的进程处于就绪状态 A.存储器 B.打印机 C.CpU D.磁盘空间答案:C 5.进程调度的关键问题:一是选择合理的( ),二是恰当地进展代码转换 A.时间片间隔B.调度算法 C.CpU速度 D.内存空间答案:B 6.采用轮转法调度是为了( ): A.多个终端都能得到系统的及时响应 B.先来先效劳 C.优先级较高的进程得到及时调度 D.需CpU最短的进程先做答案:A 7.在一段时间内只允许一个进程访问的资源,称为( ) A.共享资源 B.临界区 C.临界资源 D.共享区答案:C 8.并发性是指假设干事件在( )发生 A.同一时刻 B.同一时间间隔内 C.不同时刻 D.不同时间间隔内答案:B 9.在单一处理器上,将执行时间有重叠的几个程序称为( ) A.顺序程序 B.多道程序 C.并发程序 D.并行程序答案:C 10.程序运行时,独占系统资源,只有程序本身能改变系统资源状态,这是指( ) A.程序顺序执行的再现性B.程序顺序执行的封闭性 C.并发程序失去封闭性 D.并发程序失去再现性答案:B 11.引人多道程序技术以后,处理器的利用率( ) A.降低了 B.有所改善 C.大大提高 D.没有变化,只是程序的执行方便了.答案:C 12.在单一处理器上执行程序,多道程序的执行是在( )进展的。

A.同一时刻 B.同一时间间隔内 C.某一固定时刻 D.某一固定时间间隔内答案:B 13.为了使多个进程能有效地同时处理输入和输出,最好使用( ) A.缓冲区 B.闭缓冲区环C.多缓冲区 D.双缓冲区答案:A 14.在进程通信中,( )常通过变量、数组形式来实现。

2016年11月一级人力资源管理师考试-专业技能-有答案

2016年11月一级人力资源管理师考试卷册二:专业能力一、简答题(本题共2题,每小题10分,共20分)1、简述联想思维与想象思维的区别。

2、绩效管理系统总体评价指标体系中,系统构建指标主要包括哪些内容?二、综合分析题(本题共4题,每小题20分,共80分)1、维德集团是一家以家电制造为主的大型综合企业集团,旗下拥有厨用电器、家用视听设备、制冷电器等多家子公司,主要产品包括家用空调、冰箱、洗衣机、微波炉、风扇、洗碗机、电磁炉、电饭煲、电压力锅、豆浆机、饮水机、热水器等。

在发展初期,集团公司总部负责制订各个子公司的采购及生产计划,人员招聘、考核与岗位配置也由集团公司统一管理。

随着各子公司业务规模的不断扩大,管理效率开始下降,集团决定调整管控模式,总部只负责集团的资本运营、财务管控和对外收购事宜,其他权力下放各子公司。

新的管控模式运行了一段时间后,又出现了新的问题,子公司业务发展方向出现交叉、重叠,造成集团内部的资源浪费和不必要竞争。

根据上述情境,请回答以下问题:(1)该集团调整前后分别采取了哪种管控模式?在这两种管控模式中,集团总部各有什么特点?(10分)(2)该集团更适合采用哪种管控模式?为什么?这种管控模式下的人力资源管理特点?(10分)2、某建筑公司计划招聘一名项目经理,负责公司某重大项目的管理。

该岗位工作职责如下:①负责与公司高层、甲方、监理、总包等各方面进行沟通协调;②负责工程的技术管理,制定总体技术方案;③将公司下达的施工任务及各项工程技术经济指标合理分解,并监督实施;④管理工程进度,组织编制施工计划,合理安排工程进度;⑤保证工程施工质量,争创优质工程;⑥负责安全生产,抓好施工安全教育,加强现场安全管理;⑦加强用工管理,做好人员的统筹与安排。

根据上述情境,请回答以下问题:(1)公司拟使用教育和职业计划自我指导探索方法(SDS)进行职业人格测试••,该方法将职业人格分为哪几种类型?利用该方法,哪三个维度得分高的测试者更适合职位?为什么?(10分)(2)沙盘推演测评法是否适合该职位候选人的筛选?为什么?(10分)3、某制造业上市公司推出股票期权激励计划,具体方案如下:①参与范围:首期激励对象共计2428人,包括部门经理级别以上的管理人员、核心岗位的业务骨干和工作年限两年以上的员工,约占员工总数的67%。

2021CIE数学S1春季考真题

*6258618359*Cambridge International AS&A LevelCANDIDATENAMECENTRENUMBERCANDIDATENUMBERMATHEMATICS9709/52 Paper5Probability&Statistics1February/March20211hour15minutes You must answer on the question paper.You will need:List of formulae(MF19)INSTRUCTIONSAnswer all questions.Use a black or dark blue pen.You may use an HB pencil for any diagrams or graphs.Write your name,centre number and candidate number in the boxes at the top of the page.Write your answer to each question in the space provided.Do not use an erasable pen or correction fluid.Do not write on any bar codes.If additional space is needed,you should use the lined page at the end of this booklet;the question number or numbers must be clearly shown.You should use a calculator where appropriate.You must show all necessary working clearly;no marks will be given for unsupported answers from a calculator.Give non-exact numerical answers correct to3significant figures,or1decimal place for angles in degrees,unless a different level of accuracy is specified in the question.INFORMATIONThe total mark for this paper is50.The number of marks for each question or part question is shown in brackets[].This document has12pages.JC2103_9709_52/RP©UCLES2021[Turn over1A fair spinner with5sides numbered1,2,3,4,5is spun repeatedly.The score on each spin is the number on the side on which the spinner lands.(a)Find the probability that a score of3is obtained for thefirst time on the8th spin.[1]........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(b)Find the probability that fewer than6spins are required to obtain a score of3for thefirst time.[2]........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................©UCLES20219709/52/F/M/212Georgie has a red scarf,a blue scarf and a yellow scarf.Each day she wears exactly one of these scarves.The probabilities for the three colours are0.2,0.45and0.35respectively.When she wears a red scarf,she always wears a hat.When she wears a blue scarf,she wears a hat with probability0.4.When she wears a yellow scarf,she wears a hat with probability0.3.(a)Find the probability that on a randomly chosen day Georgie wears a hat.[2]................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(b)Find the probability that on a randomly chosen day Georgie wears a yellow scarf given that shedoes not wear a hat.[3] ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................©UCLES20219709/52/F/M/21[Turn over3The time spent by shoppers in a large shopping centre has a normal distribution with mean96minutes and standard deviation18minutes.(a)Find the probability that a shopper chosen at random spends between85and100minutes in theshopping centre.[3] ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................88%of shoppers spend more than t minutes in the shopping centre.(b)Find the value of t.[3]........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................©UCLES20219709/52/F/M/214The random variable X takes the values1,2,3,4only.The probability that X takes the value x is kx 5−x ,where k is a constant.(a)Draw up the probability distribution table for X,in terms of k.[2]................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(b)Show that V ar X =1.05.[4]................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................©UCLES20219709/52/F/M/21[Turn over5A driver records the distance travelled in each of150journeys.These distances,correct to the nearest km,are summarised in the following table.Distance(km)0−45−1011−2021−3031−4041−60Frequency12163266204(a)Draw a cumulative frequency graph to illustrate the data.[4]©UCLES20219709/52/F/M/21(b)For30%of these journeys the distance travelled is d km or more.Use your graph to estimate the value of d.[2] ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(c)Calculate an estimate of the mean distance travelled for the150journeys.[3]................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................©UCLES20219709/52/F/M/21[Turn over6(a)Find the total number of different arrangements of the11letters in the word CATERPILLAR.[2]................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(b)Find the total number of different arrangements of the11letters in the word CATERPILLAR inwhich there is an R at the beginning and an R at the end,and the two As are not together.[4] ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................©UCLES20219709/52/F/M/21(c)Find the total number of different selections of6letters from the11letters of the wordCATERPILLAR that contain both Rs and at least one A and at least one L.[4] ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................©UCLES20219709/52/F/M/21[Turn over。

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不定项选择题(针对以下题目,请选择最符合题目要求的答案,每道题有一项或二项正确答案。

针对每一道题目,所有答案都选对,则该题得分,所选答案错误或不能选出所有答案,则该题不得分。

题量为50道,每题2分,总分为100分。

)1)十进制数15的十六进制数表示是:()。

(选择一项)A、1B、FC、BD、152)下面关于计算机低级语言和高级语言的描述,不正确的是()。

(选择二项)A、低级语言的运行速度比高级语言慢B、低级语言的功能比高级语言更容易学习C、低级语言的可移植性比高级语言差D、机器语言和汇编语言属于低级语言,而C和C#属于高级语言3)下列IP地址中,属于C类IP地址的是()。

(选择一项)A、B、10.2.1.11C、4)D、在C语言中,下面()转义序列表示换行。

(选择一项)A、\aB、\nC、\rD、\f5)在C语言中,以下声明变量和变量的初始化的语法错误的是()。

(选择一项)A、int width=height=10;B、int width,height;height=width=10;C、int _a_b_c_d = 10;D、double auto = ;6)在C语言中,5/3的值是()。

(选择一项)A、1B、-1C、2D、7)在C语言中,()函数可以用于从键盘每次读取一个字符。

(选择一项)A、printf()B、putchar()C、puts()D、getchar()8)分析下面的C语言程序,如果从键盘上输入“”,则输出结果是()。

(选择一项)void main(){int n;scanf("%d",&n);if(n<10)printf("%d\n",n++);elseprintf("%d\n",n--);}A、11B、10C、9D、89)在C 语言中,下列代码的运行结果是()。

(选择一项)int a=2;switch(a){case 1:printf("in case 1 a=%d",a);break;case 2:printf("in case 2 a=%d",a);case 3:printf("in case 3 a=%d",a);break;default:printf("in default a=%d",a);}A、in case 1 a=1incase 2 a=2B、in case 1 a=2in case 2 a=2 in case 3 a=2C、in case 2 a=2in case3 a=2D、in default a=210)C语言中,i为int类型,进入下面的循环之前,i的值为0,则循环执行的次数为()。

do{i++;}while(i<2);A、0B、1C、2D、311)在C语言中,有以下for 循环代码,为了输出如图所示的结果,在空白处应该填写代码()。

(选择一项)int i,j=10;for(i=0;i<j;){printf("%d,%d\t",空白处);}A、++i,j--B、i++,--jC、i++,j--D、++i,--j12)在C语言中,下列代码的运行结果是()。

(选择一项)void main(){int stuAge[5]={18,22,26};int i,avgAge=0;for(i=1;i<5;i++) {avgAge+=stuAge[i]/5;}printf("%d",avgAge);}A、12B、13.2D、以上答案都错13)有如下一组数据:20,12,3,15。

将该组数据按升序排序,如果采用冒泡排序法,需要比较()次。

(选择一项)A、3B、4C、5D、614)下列C语言代码的运行结果是()。

(选择一项)void main(){int x=10,y=20;int *p1,*p2;p1=&x;p2=&y;p2=p1;*p2=30;printf("%d,%d",*p1,*p2);}A、10,20B、10,30C、20,30D、30,3015)在C语言中,某程序员编写了如下函数调用的代码,请问该代码的运行结果是()。

(选择一项)void ChangeArray(int num[],int N){int i;for(i=0;i<N;i++){num[i]=pow(num[i],2);}}void main(){int i;int a=10;int num[10]={1,2,3,4,5,6,7,8,9,10};ChangeArray(num,10);for(i=0;i<a;i+=2){printf("%d",num[i]);}}A、1 3 5 7 9B、1 9 25 49 81C、2 4 6 8 10D、4 16 36 64 10016)在C语言中,下列代码的运行结果是()。

(选择一项) int getCallNum(){static int num=0;num++;return num;}void main(){int i=0;for(i=0;i<5;i++){int j=getCallNum();if(j>2){break;}printf("%d",i);}}A、01B、012C、0123D、0123417)在C语言中,下列代码的输出结果是()。

(选择一项)void main(){char c[]="hello";char *p;for(p=c;p<c+5;p+=2){printf("%s",p);}}A、hellollooB、helloC、hellolloD、lloo18)下面哪一项不属于Photoshop 的功能()(选择一项)A、创建网页动画B、绘画C、修复相片D、专业排版19)HTTP协议是()。

(选择一项)A、远程登录协议B、邮件协议C、超文本传输协议D、文件传输协议20)能正确的将网页背景颜色设置为红色的代码是()。

(选择一项)A、<body backgroundColor="red">B、<body color="red">C、<body bgcolor="red">D、<body background="red">21)()标记用于以预定义的格式显示文本,即文本在浏览器中显示时遵循在HTML 源文档中定义的格式。

(选择一项)A、<ADDRESS>B、<BLOCKQUOTE>C、<PRE>D、<SPAN>22)以下可将文本“欢迎光临”从左至右然后从右自左循环来回显示的代码是()。

(选择一项)A、<marquee direction="left" behavior="scroll">欢迎光临</marquee>B、<marquee direction="left" behavior="alternate">欢迎光临</marquee>C、<marquee direction="right" behavior="alternate">欢迎光临</marquee>D、<marquee direction="right" behavior="scroll">欢迎光临</marquee>23)()元素用于提供表格说明。

(选择一项)A、THB、CAPTIONC、TABLED、CELLSPACING24)分析以下HTML代码:<html><head><title>表格</title><head><body><table border="1"><tr><td >1</td><td >2</td></tr><tr><td >3</td></tr></table></body></html>对以上代码,以下描述正确的是()。

(选择一项)A、该表格没有边框B、表格中1和2在同一列C、表格中2和3在同一行D、表格中1和3在同一列25)如果要在表单中,显示如下信息“你最喜欢的编程语言Java、C#、C”,用户只能从三个选项中选择一项。

要实现以上需求,下面HTML语句正确的是()。

(选择一项)A、你最喜欢的编程语言<input type="radio" name="r1" value="1">Java<input type="radio" name="r2" value="2">C#<input type="radio" name="r3" value="3">CB、你最喜欢的编程语言<input type="radio" name="rdo" value="1">Java<input type="radio" name="rdo" value="2">C#<input type="radio" name="rdo" value="3">CC、你最喜欢的编程语言<input type="checkbox" name="chk" value="1">Java<input type="checkbox" name="chk" value="2">C#<input type="checkbox" name="chk" value="3">CD、你最喜欢的编程语言<input type="checkbox" name="c1" value="1">Java<input type="checkbox" name="c2" value="2">C#<input type="check" name="c3" value="3">C26)下面有关插入图像的说法正确的是()。

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