Which two statements are correct about database transportation?（） (Choose two.)
A. The source and target platforms must be the same
B. Redo logs, control files and temp files are also transported
C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed
D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format
环境温度高低变化，可使继电器和接触器的线圈阻值发生变化。
A. 正确
B. 错误
在PowerPoint 2000中，设置文本的段落格式时，要从菜单栏的（）。
A. 视图菜单处设置
B. 插入菜单处设置
C. 格式菜单处设置
D. 工具菜单处设置
用于核算保险公司按分红保险合同约定给投保人红利的会计科目是（）。
A. 本年利润
B. 应付股利
C. 应付保户红利
D. 保户红利支出
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