判断题考试成绩分为优、良、中、及格、不及格，这是按定类尺度划分的A对B错
判断题
考试成绩分为优、良、中、及格、不及格，这是按定类尺度划分的
A
对
B
错
参考解析
解析：
暂无解析
相关考题：
某班学生不到50人,在一次考试中,有1／7人得优,1／3人得良,1／2人及格,其余的均不及格,那么不及格 某班学生不到５０人，在一次考试中，有１／７人得优，１／３人得良，１／２人及格，其余的均不及格，那么不及格的人数是 。Ａ．１ Ｂ．２ Ｃ．３ Ｄ．４
已知x代表某个百分制成绩，下列程序段用于显示对应的五级制成绩，正确的是( )A．If x＞=60 Then Print"及格" Else If x＞=70 Then Print"中" Else If x＞=80 Then Print"良" Else If x＞=90 Then Print"优" Else Print"不及格" End IfB．If x＜90 Then Print"良" Else If x＜80 Then Print"中" Else If x＜70 Then Print"及格" Else If x＜60 Then Print"不及格" Else Print"优" End IfC．If x＞=90 then Print"优" Else If x＞=80 Then Print"良" Else If x＞=70 Then Print"中" Else If x＞=60 Then Print"及格" Else Print"不及格" End If End SelectD．Select Case x Case x＞=90 Print"优" Case x＞=80 Print"良" Case x＞=70 Print"中" Case x＞=60 Print"及格" Case Else Print"不及格"
设在SQL Server 2008某数据库中有表SC（Sn0，Cn0，Grade），其中Grade列的类型为int。若在查询成绩时，希望将成绩按“优”、“良”、“中”、“及格”和“不及格”形式显示，则下列Case函数中正确的是（ ）。A.Case GradeWhen Grade between 90 and 100 THEN Grade=ˊ优ˊWhen Grade between 80 and 89 THEN Grade=ˊ良ˊWhen Grade between 70 and 79 THEN Grade=ˊ由ˊWhen Grade between 60 and 69 THEN Grade=ˊ及格ˊElse Grade=ˊ不及格ˊEndB.Case GradeWhen Grade between 90 and 100 THEN ˊ优ˊWhen Grade between 80 and 89 THEN ˊ良ˊWhen Grade between 70 and 79 THENˊ中ˊWhen Grade between 60 and 69 THENˊ及格ˊElseˊ不及格ˊEndC.CaseWhen Grade between 90 and 100 THEN Grade=ˊ优ˊWhen Grade between 80 and 89 THEN Grade=ˊ良ˊWhen Grade between 70 and 79 THEN Grade=ˊ由ˊWhen Grade between 60 and 69 THEN Grade=ˊ及格ˊElse Grade=ˊ不及格ˊEndD.CaseWhen Grade between 90 and 100 THENˊ优ˊWhen Grade between 80 and 89 THEN ˊ良ˊWhen Grade between 70 and 79 THEN ˊ由ˊWhen Grade between 60 and 69 THEN ˊ及格ˊElseˊ不及格ˊEnd
设SC表中记录成绩的列为：Grade，类型为int。若在查询成绩时，希望将成绩按‘优’、‘良’、‘中’、‘及格’和‘不及格’形式显示，正确的Case函数是（）。A Case Grade When 90~100 THEN ’优’ When 80~89 THEN ’良’ When 70~79 THEN ’中’ When 60~69 THEN ’及格’ Else ’不及格’ EndB Case When Grade between 90 and 100 THEN Grade = ’优’ When Grade between 80 and 89 THEN Grade = ’良’ When Grade between 70 and 79 THEN Grade = ’中’ When Grade between 60 and 69 THEN Grade = ’及格’ Else Grade = ’不及格’ EndC Case When Grade between 90 and 100 THEN ’优’ When Grade between 80 and 89 THEN ’良’ When Grade between 70 and 79 THEN ’中’ When Grade between 60 and 69 THEN ’及格’ Else ’不及格’ EndDCase Grade When 90~100 THEN Grade = ’优’ When 80~89 THEN Grade = ’良’ When 70~79 THEN Grade = ’中’ When 60~69 THEN Grade = ’及格’ Else Grade = ’不及格’ End
某班40名学生统计学考试成绩（分）分别为： 学校规定：60分以下为不及格，60─70分为及格，70─80分为中，80─90分为良，90─100分为优。 指出分组标志及类型；分析该班学生考试情况。
单元格A2输入了数值60，单元格B2存放了公式：=IF（A290，“优”，IF（A275，“良”，IF（A259，“及格”，“不及格”）））。那么B2显示的是（）A、及格B、良C、优D、不及格
“学生考试成绩分为优、良、中、及格、不及格”和“学生补考成绩分为及格和不及格”这一对陈述，其中的“及格”与“不及格”两个概念之间（）.A、都是矛盾关系B、都是反对关系C、前者是矛盾关系，后者是反对关系D、前者是反对关系，后者是矛盾关系
单选题设SC表中记录成绩的列为：Grade，类型为int。若在查询成绩时，希望将成绩按‘优’、‘良’、‘中’、‘及格’和‘不及格’形式显示，正确的Case函数是（）。A Case Grade When 90~100 THEN ’优’ When 80~89 THEN ’良’ When 70~79 THEN ’中’ When 60~69 THEN ’及格’ Else ’不及格’ EndB Case When Grade between 90 and 100 THEN Grade = ’优’ When Grade between 80 and 89 THEN Grade = ’良’ When Grade between 70 and 79 THEN Grade = ’中’ When Grade between 60 and 69 THEN Grade = ’及格’ Else Grade = ’不及格’ EndC Case When Grade between 90 and 100 THEN ’优’ When Grade between 80 and 89 THEN ’良’ When Grade between 70 and 79 THEN ’中’ When Grade between 60 and 69 THEN ’及格’ Else ’不及格’ EndDCase Grade When 90~100 THEN Grade = ’优’ When 80~89 THEN Grade = ’良’ When 70~79 THEN Grade = ’中’ When 60~69 THEN Grade = ’及格’ Else Grade = ’不及格’ End
单选题“学生考试成绩分为优、良、中、及格、不及格”和“学生补考成绩分为及格和不及格”这一对陈述，其中的“及格”与“不及格”两个概念之间（）.A都是矛盾关系B都是反对关系C前者是矛盾关系，后者是反对关系D前者是反对关系，后者是矛盾关系