单选题:如果字段"学分"的取值范围为1~6,则下列选项中,错误的有效性规则是( ) 题目分类:公共基础知识 题目类型:单选题 查看权限:VIP 题目内容: 如果字段"学分"的取值范围为1~6,则下列选项中,错误的有效性规则是( ) A.>=1 and <=6 B.[学分]>=1 and [学分]<=6 C.学分>0 and 学分<=6 D.1<=[学分]<=6 参考答案: 答案解析:
BaseballsharesmanyfeatureswiththeEnglishgameofcricket. BaseballsharesmanyfeatureswiththeEnglishgameofcricket. A.Right B.Wrong C.Notmen 分类:公共基础知识 题型:单选题 查看答案
Silk,althoughitisconsideredadelicatefabric,isinfactverystron Silk,althoughitisconsideredadelicatefabric,isinfactverystrong,butitisadverselya 分类:公共基础知识 题型:单选题 查看答案
Hisideaisalwaysutterlydifferentfromhisclassmates,. Hisideaisalwaysutterlydifferentfromhisclassmates,. A.hardly B.rarely C.simply D. 分类:公共基础知识 题型:单选题 查看答案