2、机整数的表达式为:。9.在VB中"ASCII"、"ascii"、"Ascii"这三个字符串比较,最小的是。10.数据文件按访问方式分为顺序文件和随机文件两种,顺序文件以形式存储。二、选择题(题每题2分,共10分)1.在程序运行过程中,要是标签能够显示所需要的文本,则在程序中应设置以下哪个属性的值()A)CaptionB)TextC)NameD)Seltext2.一个控件能实现选择功能的是()A)文本框控件B)框架控件C)命令按钮控件D)列表框控件3.正确的VB逻辑表达式是()A)X>YNOTY>ZB)X>Y>ZC)X>YAND>ZD)X>YNOTY>Z4.设a=5,b=8
3、下列程序中能实现交换两个变量值的代码是()locatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame第7页A)a=bB)a=bb=ab=aPrinta,bswap(a,b)C)c=aD)b=aa=ba=bb=cPrinta,b5.下列求
4、两个数中最大数的代码中,正确的是()A)max=aB)Ifb>athenIfb>athenmax=bmax=bendifendifmax=aPrintmaxPrintmaxC)ifa>bthenPrintaD)max=iif(a>b,b,a)Printb三、写出程序运行结果(每小题4分,共24分)1.程序运行时从键盘输入5,则下面程序运行结果为:DimxAsInteger,yAsIntegerx=Val(InputBox("请输入变量的值"))Ifx<>0ThenIfx>0Theny=x^2+1Elsey=x^2-1EndIfElsey=0EndIfPrint"x=";x
5、,"";"y=";y2.写出下面程序运行结果。DimyasString,xasStringlocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame第7页y="abcd"Fori%=1TO4Forj%=1TOi%X=mid(y,j,1)
6、Printx;Nextj%PrintNexti%3.写出下面程序运行结果。DimsAsInteger,nAsInteger,fAsIntegerf=-1s=0:n=1DoWhilen<=10s=s+f*nf=-fn=n+1LoopPrint"s=";s4.写出下面程序运行结果。Dimm%,i%,flagAsBooleanForm=2to10flag=TrueFori=2Tom-1Ifm/i=miThenflag=FalseExitForEndIfNextiIfflag=TrueThenPrintm;locatedintheTomb,DongShenJiabang,def
7、erthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcame第7页Nextm5.写出下面程序运行结果。Dima(3,3)AsIntegerFori=1To3Forj=1To3Ifi=jThena(i,j)=1Elsea(i,j)=0EndIfNextjNextiF