某烟草商进口甲类卷烟，报关时由海关征收（）。 关税。 增值税。 消费税。 营业税。
欧洲浪漫主义文学兴起的原因是（）。 资本原始积累时期社会意识的影响。 工业革命以后社会阶级关系的变化。 垄断资本主义时期人类行为冲突趋势的加强。 人们对理性主义失望和对资本主义社会秩序不满。
Which two internet browsers are supported with IBM Maximo Asset Management V7.1?（） Opera。 Netscape。 Mozilla Firefox。 Google Chrome。 Microsoft Internet Explorer。
中学教师应如何做好班级管理与教育活动？
You issued the following commands to configure setting in RMAN; RMAN> CONFIGURE DEVICE TYPE sbt PARALLELISM 1; RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt; RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2; Then you issued the following command to take the backup: RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which statement is true about the execution of the above command?（） The backup will terminate because the FORMAT clause was not configured for the channel。 It backs up two copies of data files to tape and disk, and two copies of archived log file on tape。 It backs up the data files and archived log files to disk, making two copies of each data file and archived log file。 It backs up the data files and archived log files to tape, making two copies of each data file and archived log file。
You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.（） (Choose two.)
