看守所为在押人员代购物品,在物品价格与质量方面应做到()。
A. 通过正规的进货渠道进货、保证质量
B. 价格不得超出当地市场零售价格
C. 代购物品的价格向在押人员公布
D. 应当查验供应商每一种类食品的生产许可证与保质期等
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在尿素生产中,NH3和H2O溶液的反复气化和冷凝是在水解塔中完成的。()
A. 正确
B. 错误
高亮显示的颜色可以通过选择[Setup]/[DisplayColors]/[ShowGuardBand]命令来设计。
A. 正确
B. 错误
You disabled the Flashback Database feature by using the following command: SQL> ALTER DATABASE FLASHBACK OFF; What would be the effect of this command on the existing flashback logs?()
A. Flashback logs are not deleted.
B. Flashback logs are deleted automatically.
C. Flashback logs are deleted only if you are using Recovery Manager (RMAN)
D. Flashback logs are deleted only if you are using Oracle Manager Files (OFM)
E. Flashback logs are deleted only if you are using Automatic Storage Management (ASM)
词人贺铸才华洋溢,但是身份不高,其曾深爱一名歌姬,但却无力带她远走高飞,这位歌姬曾经写诗给贺,其中有句:深恩纵似丁香结,难展芭蕉一寸心!该句化用了唐代的何人何诗?