初级、中级、高级鉴定考试考核采用百分制，其中理论知识考试以（）分为及格，操作技能考核以（）分为及格，两项均及格为鉴定合格。A、60；60B、70；70C、60；70D、80；80
初级、中级、高级鉴定考试考核采用百分制，其中理论知识考试以（）分为及格，操作技能考核以（）分为及格，两项均及格为鉴定合格。
- A、60；60
- B、70；70
- C、60；70
- D、80；80
相关考题：
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。
考核分为考试和考查两种。成绩记载采取百分制（60分为及格）、五级制两种形式。五级制记分换为百分制记分时，按优秀为（）分、良好为（）分、中等为（）分、及格为（）分、不及格为（）分进行折算。A、98；88；78；68；58B、97；87；77；67；57C、96；86；76；66；56D、95；85；75；60；50
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
单选题安全操作技能考核，采用实际操作（或模拟操作）、口试等方式。考核实行百分制，（）分为合格。A50B60C70D80