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【多选题】
工程文件可按建设程序划分为工程准备阶段的文件（）和竣工验收文件5部分。A.
施工文件
B.
监理文件
C.
基建文件
D.
竣工图
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举一反三
【单选题】Which of the following statements best describes Flashback Versions Query？（）
A.
Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.
B.
Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.
C.
Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.
D.
Flashback Versions Query is used to view all version changes on rows that existed between two points in time.
【单选题】Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）
A.
The VERSIONS BETWEEN clause may be used in DML statements.
B.
The VERSIONS BETWEEN clause may be used in DDL statements.
C.
The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.
D.
The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.
【简答题】请按要求转换句型，一空一词。（10分） 小题1:Do you have a ping-ping bat?(做否定回答) No, . 小题2:He likes oranges.(变为否定句) He oranges. 小题3: This T-shirt is seven dollars . (就划线部分提问) is this T-shirt? 小题4: My favorite subject is s...
【单选题】Some readers may find it hard to accept that in some versions of the story "Snow White", it is ________ that kills the girl.
A.
the girl's father
B.
the girl's mother
C.
the girl's stepfather
D.
the girl's stepmother
【简答题】A．groups B．sets C．species D．versions
【单选题】In the long history, the name of Zhongguo has some other versions. They are _______.
A.
Huaxia
B.
Zhonghua
C.
Jiuzhou
D.
all of them
【单选题】“这个软件有两种版本”地道的英文翻译是( )
A.
This software has two versions.
B.
Two versions of the software are available.
C.
This softwares have two versions.
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