题目内容

扩大一个电流表量程的方法,应该()。

A. 串联电阻
B. 并联电阻
C. 混联电阻
D. 串联电感

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电空制动控制器制动后的中立位列车管应()补风。

路基填方采用纵向调运或就近借土的分界距离是()。

因皮表能产生空气对流,所以对流是机体的()之一。

A. 营养贮存方式
B. 营养吸收方式
C. 散热方式
D. 代谢废物运输方式

How can a directory named /dir1 be excluded during a restore of files backed up by name with the backup command?()

A. By using the restore -x option followed by /dir1
By adding an entry in the /etc/restore.exclude file
C. By using the restore -i option to enter interactive mode and executing the command:delete /dir1
D. By using the restore -i option when running restore to specify a text file containing ’/dir1’ as one of the lines in it.

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