皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
有学生表(学号,姓名,专业代码)和专业表(专业代码,专业名称),其中通过学生表.专业代码和专业表.专业代码建立两表之间的联系,那么下面叙述错误的是______。
A.
学生表的专业代码字段下可以有重复值
B.
学生表的专业代码字段下可以取专业表中没有的专业代码
C.
学生表的专业代码字段下只可以取专业表中存在的专业代码或者空值
D.
学生表的专业代码字段下的取值和专业表中专业代码下的值符合参照完整性才可
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Robert L. Katz proposed ________.
A.
three critical managing skills
B.
ten critical managing roles
C.
five traditional management functions
D.
six traditional management styles
【多选题】在涉外刑事诉讼中,关于国籍的确认,下列哪些做法是正确的 ?
A.
犯罪嫌疑人甲,入境时持有有效证件,以该有效证件确认甲的国籍
B.
犯罪嫌疑人乙,国籍不明,以公安机关会同外事部门查明的情况确认乙的国籍
C.
犯罪嫌疑人丙,国籍不明,经公安机关会同外事部门调查确实无法查明,以丙自报的国籍确认其国籍
D.
犯罪嫌疑人丁,国籍不明,经公安机关会同外事部门调查确实无法查明,按照无国籍人对待
【单选题】7 Robert benefited a lot from the Freshers' Fair by________.
A.
getting his first network of acquaintances
B.
selling himself to a debating society
C.
searching online about the society he longed to join
D.
filling in membership form
【简答题】A.suffered B.lost C.invested D.benefited
【单选题】Robert L. Katz proposed ________.
A.
five traditional management functions
B.
ten critical managing roles
C.
six traditional management styles
D.
three critical managing skills
【单选题】The small factories the fall of the prices.
A.
benefited
B.
benefited from
C.
benefited to
D.
benefited in
【单选题】He's definitely the leader of the group. What ______ him _______from the others is his knowledge.
A.
keeps....apart
B.
drives....apart
C.
sets....apart
D.
tells....apart
【多选题】在涉外刑事诉讼中,关于国籍的确认,下列哪些做法是正确的
A.
犯罪嫌疑人甲,入境时持有有效证件,以该有效证件确认甲的国籍
B.
犯罪嫌疑人乙,国籍不明,以公安机关或者有关国家驻华使、领馆出具的证明确认乙的国籍
C.
犯罪嫌疑人丙,国籍不明,并且确实无法查明,以丙自报的国籍确认其国籍
D.
犯罪嫌疑人丁,国籍不明,并且确实无法查明,按照无国籍人对待
【简答题】Li Xiang is a tour guide from China International Travel Service. He is waiting for a tour group from Canada at the airport. Listen to the conversation between Li Xiang and the group’s tour leader and...
【简答题】A.enriched B.gained C.prospered D.benefited
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题