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陈家的伯伯说,英子的爸爸喜欢(),所以有一堆儿女。

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某加热炉在停工检修时,发现测炉膛温度的热偶套管拔不出来,这是什么原因?

应用嵌入式样式时,通过()标记符,可将样式信息作为文档的一部分用于HTML。

A. href
B. style
C. link
D. class

高炉下作业的调车人员配备专用对讲机,只限调车人员在炉台下与炉前工联系,机车未进入炉台下及离开出铁场后,要关闭专用对讲机。

A. 正确
B. 错误

You executed the following command: RMAN> RECOVER COPY OF DATAFILE ’/u01/app/oracle/oradata/orcl/users01.dbf’; Which statement regarding the above command is correct?()

A. The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the image copy.
B. The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the last incremental backup.
C. Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are updated with all changes up to incremental backup SC
D. Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are recovered using the above command if data file recovery fails.

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