【简答题】我国众多的装配式结构体系中,主要以( )结构为主,其次为( )结构住宅。
【单选题】目前,我国众多的装配式结构体系中,主要以装配式( )为主。
【简答题】A. 细分市场是从() 的角度进行划分的。 B. 产品品种 C. 产品系列 D. 产品
【简答题】目前,我国众多的装配式结构体系中,主要以【】为主,其次以钢结构住宅体系;其中,预制装配式混凝土结构住宅又以【】和框架结构为主要代表。
【单选题】You executed the following query in your database: FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()
A.
the time when the last flashback operation in your database was performed
B.
the time when the first flashback operation in your database was performed
C.
a list of flashback operations performed in your database using SCN and time
D.
the approximate time and the lowest system change number (SCN) to which you can flash back your database
【单选题】于浓硫酸烧伤后的现场处置,以下哪种说法正确
A.
未经大量水冲洗就用碱性药物在皮肤上直接中和,这样会加重皮肤损伤
E.
大量水冲洗应先用适量碱性药物在皮肤上直接中和
【单选题】温室白粉虱成虫在温室蔬菜花卉上的分布属于( )。
【单选题】Examine the parameter setting in your database: Which statement is correct about the database?()
A.
Automatic memory management is disabled because PGA_AGGREGATE_TARGET and SGA_TARGET are not set
B.
The instance is started but the database will not be opened until PGA_AGGREGATE_TARGET and SGA_TARGET are set
C.
The database is opened but users cannot perform transactions until PGA_AGGREGATE_TARGET and SGA_TARGET are set
D.
Automatic memory management is enabled and, as per policy, 60% of the memory for System Global Area (SGA) and 40% of the memory for Program Global Area (PGA) will be distributed at startup