VB期末考试大题答案(共9页).doc

精选优质文档-倾情为你奉上1给定年份和月份，判断该年是否是闰年。并根据给出的月份判断是什么季节、该月有多少天。（闰年的条件是：年份能被4整除但不能被100整除或能被400整除）Private Sub Command1_Click()Dim x As Integer, y As IntegerText1.Text = InputBox("请输入年份 ")x = Val(Text1.Text)Text3.Text = (x Mod 4) = 0 And (x Mod 100 <> 0) _Or (x Mod 4) = 0 And (x Mod 400 = 0)End SubPrivate Sub Command2_Click()Dim x As Integer, y As IntegerText2.Text = InputBox("请输入月份")y = Val(Text2.Text)Select Case yCase 3 To 5Text4.Text = "春季 "Case 6 To 8Text4.Text = "夏季"Case 9 To 11Text4.Text = "秋季"Case 1, 2, 12Text4.Text = "冬季"End SelectEnd SubPrivate Sub Command3_Click()Dim x As Integer, y As IntegerText1.Text = InputBox("请输入年份")x = Val(Text1.Text)Text3.Text = (x Mod 4) = 0 And (x Mod 100 <> 0) _Or (x Mod 4) = 0 And (x Mod 400 = 0)Text2.Text = InputBox("请输入月份")y = Val(Text2.Text)Select Case yCase 1, 3, 5, 7, 8, 10, 11Text5.Text = "31天"Case 4, 6, 9, 12Text5.Text = "30天"Case 2If Text1.Text = 0 ThenText5.Text = "29天"ElseText5.Text = "28天"End IfEnd SelectEnd Sub2编写程序，输入学生的姓名、学号和成绩（高数、英语和专业课），判断该学生能获得几等奖学金，并输出结果。获奖条件是：一等奖学金要求所有成绩在95分以上；二等奖学金要求所有成绩在90分以上；三等奖学金要求所有成绩在88分以上。Private Sub Command1_Click() Dim m%, n%, d%, sun%, no$, name$ no = InputBox("输入学号") name = InputBox("输入姓名") m = Val(Text1.Text) n = Val(Text2.Text) d = Val(Text3.Text) sun = m + n + d If m > 95 And n > 95 And d > 95 Then Label5.Caption = name & "获一等奖学金" ElseIf m >= 90 And n >= 90 And d >= 90 Then Label5.Caption = name & "获二等奖学金" ElseIf m >= 88 And n >= 88 And d >= 88 Then Label5.Caption = name & "获三等奖学金" Else Label5.Caption = name & "没有奖学金" End If End Sub Private Sub Command2_Click() Text1.Text = "" Text2.Text = "" Text3.Text = "" Label5.Caption = " " End Sub 3编写一个程序输入某人的身高（cm）和体重（kg），按下式确定其体重是否为标准、过胖或过瘦：（1）标准体重=身高-110；（2）超过标准体重5kg为过胖；（3）低于标准体重5kg为过瘦。Private Sub Command1_Click()Dim m!, n%, d!m = Val(Text1.Text)n = Val(Text2.Text)d = n - 110Label5.Caption = " 按你的身高，标准体重为：" & d & "公斤"If m - d > 5 ThenLabel6.Caption = "你比较胖，请注意瘦身"ElseIf m = d ThenLabel6.Caption = "你是标准体重"ElseLabel6.Caption = "你比较瘦，请注意锻炼"End IfEnd SubPrivate Sub Command2_Click()Text1.Text = " "Text2.Text = " "Label5.Caption = " "Label6.Caption = " "End SubPrivate Sub Command3_Click()EndEnd Sub4征兵的条件是：男性（sex）年龄（age）在1820之间，身高（size）在1.65米以上；或者女性（sex）年龄（age）在1618之间，身高（size）在1.60米以上。用三个文本框控件分别输入性别、年龄、身高信息，根据这些信息判断是否符合征兵条件，用标签控件输出结果。Private Sub Command1_Click()Dim m$, n%, d!m = Text1.Textn = Val(Text2.Text)d = Val(Text3.Text)If m = "男" And n >= 18 And n <= 20 And d > 1.63 ThenLabel5.Caption = "符合征兵条件"ElseIf m = "女" And n >= 16 And n <= 18 And d > 1.6 ThenLabel5.Caption = "符合征兵条件"ElseLabel5.Caption = "不符合征兵条件"End IfEnd SubPrivate Sub Command2_Click()EndEnd Sub5为某航空公司设计一售机票程序，能根据月份和订票数决定优惠率，计算票价。假设优惠折扣规定如下：在旅游的旺季79月份，如果订票数超过20张，票价优惠15%；20张以下，票价优惠5%。在旅游的淡季15月份、10月份和11月份，如果订票数超过20张，票价优惠30%，20张以下，票价优惠20%。其他情况，一律优惠20%。Private Sub Command1_Click()Dim m%, n%, r%, dj!m = Val(Text1.Text)n = Val(Text2.Text)dj = Val(Text3.Text)Select Case mCase 1 To 5If n <= 20 Then r = 20 Else r = 30Case 7 To 9If n <= 20 Then r = 5 Else r = 15Case Elser = 20End SelectLabel4.Caption = "所订机票的优惠率为:" & Str(r) & "%"Label6.Caption = "单张票价为" & (100 - r) * dj / 100 & "元" & "，共收款" & (100 - r) * dj * n / 100 & "元"End SubPrivate Sub Command2_Click()EndEnd SubPrivate Sub Form_Load()Text1.Text = Month(Date)End Sub6利用if语句求三个数x，y，z中的最大值，并将其放入Max变量中显示输出。Private Sub Command1_Click()i = Val(Text1.Text)j = Val(Text2.Text)k = Val(Text3.Text)m = iIf (i < j) Then m = jIf (m < k) Then m = kText4.Text = mEnd SubPrivate Sub Command3_Click()EndEnd Sub7输入一公元年号，判断是否是闰年。闰年的条件是：年号能被4整除但不能被100整除，或者能被400整除。Private Sub Command1_Click()Dim y As Long, _m As LongDim b As BooleanMe.Clsb = Falsey = Val(InputBox("年份", "请输入")m = Val(InputBox("月份", "请输入")If y Mod 4 = 0 Or y Mod 400 = 0 ThenPrint "年份：" y; " 是闰年!"b = TrueElsePrint "年份：" y; "不是闰年!"b = FalseEnd8北京化工大学北方学院决定组织成绩优秀的学生免费旅游，可以获得旅游的条件如下：（1)所考3门课程即英语、高等数学、VB的总分超过285分，并且每门课程的成绩超过90分，这样的学生可以免费旅游颐和园、故宫和天坛；（2)每门课程的成绩都在88分以上，这样的学生可以免费旅游颐和园、故宫；（3)每门课程的成绩都在80分以上，这样的学生可以免费旅游颐和园；（4）其他条件都没有免费旅游资格。编程输入某学生3门课的成绩，判断此学生可以到何处旅游。Private Sub Command1_Click()Dim m%, n%, d%, sun%m = Val(Text1.Text)n = Val(Text2.Text)d = Val(Text3.Text)sun = m + n + dIf sun >= 285 And m > 90 And n > 90 And d > 90 ThenLabel5.Caption = "可以免费旅游颐和园?故宫和天坛"ElseIf m >= 88 And n >= 88 And d >= 88 ThenLabel5.Caption = "可以免费旅游颐和园?故宫"ElseIf m >= 80 And n >= 80 And d >= 80 ThenLabel5.Caption = "可以免费旅游颐和园"ElseLabel5.Caption = "不可以免费旅游"End IfEnd SubPrivate Sub Command2_Click()Text1.Text = ""Text2.Text = ""Text3.Text = ""Label5.Caption = " "End SubPrivate Sub Command3_Click()EndEnd Sub9在“神州号”程序中，需要判断飞船飞行状况。当飞船速度继续加大时，飞船将达到第二宇宙、第三宇宙速度（见下表）试编写程序，输入不同的飞船速度V，判断它的各种飞行状况，显示出来。飞船速度（ V） 单位（km/s）飞行状况 7.91<=V<11.19 飞船绕地球做匀速圆周运动 11.19<=V<16.67 飞船离开地球的控制 ,围绕太阳转 V>16.67 飞船挣脱太阳引力飞出太阳系 Private Sub Command1_Click()Dim v!v = Val(Text1.Text)If (v > 7.91 And v < 11.19) ThenText2.Text = "飞船绕地球做匀速圆周运动"ElseIf (v >= 11.19 And v < 16.67) ThenText2.Text = "飞船离开地球的控制 ,围绕太阳转"ElseIf (v >= 16.67) ThenText2.Text = "飞船挣脱太阳引力飞出太阳系" End If End SubPrivate Sub Command2_Click()EndEnd Sub10编一段程序，从键盘输入3个整数，找出其中绝对值最小的数。Private Sub Command1_Click()i = Val(Text1.Text)j = Val(Text2.Text)k = Val(Text3.Text)m = Abs(i)If (m < Abs(j) Then m = Abs(j)If (m < Abs(k) Then m = Abs(k)Text4.Text = mEnd SubPrivate Sub Command3_Click()EndEnd Sub专心-专注-专业