【单选题】在数据库系统的组织结构中,下列( )映射把概念数据库与物理数据库联系了起来。
【单选题】在下列各项中,不属于企业进行财产清查意义的内容是
【判断题】____为预防动物阉割后感染破伤风,应于手术当日注射破伤风类毒素P215
【单选题】How did Heracles die?
A.
His wife murdered him for cheating on her.
B.
He was killed by poison from Centaur Nessus.
C.
He died when completing one of his 12 labors.
D.
He was killed by Eurystheus out of fear.
【简答题】在数据库系统的组织结构中,下列( )映射把用户数据库与概念数据库联系了起来。 A)外模式/模式 B)内模式/外模式 C)模式/内模式 D)内模式/模式
【简答题】看图补全对话 A: Hello,Jim!What's this 1 English? B: It's 2 3 . A: Is it your telephone? B: Yes, 4 5 . A: And what's this in 6 ?Is it a computer? B: 7 , it 8 . It's a 9 10 . A: Is it your computer ,too? ...
【单选题】What's this board game?
【判断题】在泼水节期间,如果他人无端向你身上泼水是不礼貌的行为。
【简答题】补全单词。 1. This a photo of my f______. 2. My g______ is very old. 3. What's this i______ English? 4. My friend Jean sends (寄) me a p______. 5. Do you know the a______ to this question? 6. What's your te...
【单选题】在数据库系统的组织结构中,下列( )映射把用户数据库与概念数据库联系了起来。