《入境货物调离通知单》是进口法检货物已向检验检疫机构报检并准予销售、使用的有效凭证。()
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14岁初中二年级女学生患Graves病，治疗宜选用（）
A. 抗甲状腺药物
B. 立即手术治疗
C. 131I治疗
D. 镇静剂
E. 鼓励多食海带
到2020年，东北地区要在重要领域和关键环节改革上取得重大成果。
A. 正确
B. 错误
You are using Recovery Manager (RMAN) to perform backups. In which three situations would you perform a compressed backup?（）
A. You are backing up to tape and your tape device performs its own compression.
B. You are making image copies, and you have not enabled tablespace compression.
C. You are using disk-based backups and disk space in your Flash Recovery Area, or other disk-based backup destinations are limited.
D. You are performing your backups to some device over a network where reduced network bandwidth is more important than CPU usage.
E. You are using some archival backup media, such as CD or DVD, where reducing backup sizes saves media costs and archival storage.
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