在工具栏上的（）快捷键，是交易结束后的递交键。
A. “V”字手型姿势图标
B. 上面有“对号”的文档页面图标
C. 手型图标
D. 黄色文件夹图标
Which three statements are true concerning the multitenant architecture?（）
A. Each pluggable database (PDB) has its own set of background processes.
B. A PDB can have a private temp tablespace.
C. PDBs can share the sysaux tablespace.
D. Log switches occur only at the multitenant container database (CDB) level.
E. Different PDBs can have different default block sizes.
F. PDBs share a common system tablespace.
G. Instance recovery is always performed at the CDB level.
一般情况下，在同一存储区内，一种物料有几个存放点（）？
A. 1个
B. 2个
C. 3个
D. 不定
男，6岁，体重32kg，其能量摄入应按理想体重所需能量减少（）
A. 5%
B. 10%
C. 13%
D. 15%
E. 30%
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