皮皮学，免费搜题
登录
搜题
【单选题】
某学校希望开发一个学生选课管理系统。在指定的日期时间段，从学校提供开设的选修课程中，学生必须至少选择两门自己下学期的学习课程。学校具有网络校园系统，学生可以从校园内多处登陆网络进行选择课程的操作。学生选择的结果传送给学生选课管理系统。学生管理选课系统根据学生选课的数据安排课程、教师和教室。学生通过《选课管理系统》可以得到自己上课的时间和上课教室信息，教室可以得到选择自己担任课程的学生名单。在学校选课管理系统的使用过程中，根据不同时期学生选课数据重要性的不同，学生申请选课的数据需要存放在不同的计算机中。在学期末使用选课系统前都需要对数据进行转存。平时对数据维护时需要关心的是（）。A.
每隔一段时间检索数据库的内容
B.
每隔一段时间排序数据库的内容
C.
每隔一段时间修改数据库的内容
D.
每隔一段时间备份数据库的内容
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】一般来说,舌在前端对____最敏感,舌尖和边缘对____较为敏感, 靠腮的两边对____敏感,舌根对____最为敏感。
【单选题】The wedding ceremony was ______ because the bride could not find her wedding ring.
A.
held up
B.
held on
C.
held back
D.
held out
【多选题】Which of the followings are true about the bride in the traditional Chinese wedding?
A.
She dresses in a red skirt and covers her head with a red veil.
B.
Before leaving her parents’ home, she cries to show her reluctance to leave her mother.
C.
She is welcomed to the wedding in a bridal sedan accompanied by a wedding procession.
D.
She wears “something old, something new, something borrowed, something blue.”
【单选题】Which step is not included in the six etiquettes of Chinese wedding?
A.
Proposing
B.
asking the girl’s name and birth dates
C.
asking for fortune
D.
Wearing a blue belt in wedding veil
【单选题】Which one is the correct orders of traditional Chinese wedding?
A.
Bride gets off bridal sedan chair — Bridegroom shoots the gate of bridal sedan chair — Cross fire plate — Perform Formal Wedding Ceremony — Go into Bridal chamber
B.
Bridegroom shoots the gate of bridal sedan chair — Bride gets off bridal sedan chair — Cross fire plate — Perform Formal Wedding Ceremony — Go into Bridal chamber
C.
Bridegroom shoots the gate of bridal sedan chair — Bride gets off bridal sedan chair — Go into Bridal chambe — Perform Formal Wedding Ceremony — Cross fire plate
D.
Bridegroom shoots the gate of bridal sedan chair — Bride gets off bridal sedan chair — Perform Formal Wedding Ceremony — Cross fire plate — Go into Bridal chamber
相关题目：
参考解析：
知识点：
题目纠错 0
发布
