题目内容

电焊把线必须就近搭在焊件本体上，把线不得穿过下水井或与其它运行的工艺设备管线相连接。电焊机的焊把线和搭铁线绝缘必须完好。

A. 正确
B. 错误

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在图像中创建选区后，使用移动工具将同时移动选区和选区内的图像，如果只需要移动选区而不移动图像时，使用哪种工具来进行移动呢？

Your database is running in NOARCHIVELOG mode with two online redo log files. The SALES table contains sales information for the organization. The SALES table belongs to the SALESTB tablespace. On Monday， you insert 10 rows into the SALES table. The current log sequence number is 14. You change the tablespace status from READ WRITE to READ ONLY for the SALESTB tablespace. You shut down the database and take a backup of the SALESTB tablespace. On Tuesday， you start the database. You change the status for the SALESTB tablespace from READ ONLY to READ WRITE. You insert 10 more rows into the SALES table and shut down the database. The current log sequence number is 15. When you try to open the database on Wednesday morning， you discover that the SALESTB tablespace was lost because of a media failure. Which of the following options is true about recovering the SALES table？（）

A. The SALES table cannot be recovered because the database is running in NOARCHIVELOG mode.
B. The SALES table can be recovered by restoring the SALESTB tablespace from the backup and performing a media recovery.
C. The SALES table can be recovered by restoring the SALESTB tablespace from the backup without performing any media recovery.
D. The SALES table can be recovered by restoring the SALESTB tablespace from the backup， but the rows inserted on Tuesday need to be inserted again.

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危害国防利益罪均为故意犯罪。

A. 正确
B. 错误

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变压器的主要发热部件是（）。

A. 主绝缘，纵绝缘
B. 铁芯的线圈
C. 金属构件的油箱

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电焊把线必须就近搭在焊件本体上，把线不得穿过下水井或与其它运行的工艺设备管线相连接。电焊机的焊把线和搭铁线绝缘必须完好。

A. 正确 B. 错误

在图像中创建选区后，使用移动工具将同时移动选区和选区内的图像，如果只需要移动选区而不移动图像时，使用哪种工具来进行移动呢？

危害国防利益罪均为故意犯罪。

变压器的主要发热部件是（）。

A. 正确
B. 错误