由()岩性改变或岩性连续性中断而形成的圈闭称为岩性遮挡圈闭。
A. 生油层
B. 储集层
C. 盖层
D. 断层
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对问题十分突出的看守所,可以随时确定为后进看守所予以通报。
A. 正确
B. 错误
Which is not a valid way of backing up a control file?()
A. Backing up the control file to trace
B. Copying the existing control file of the database to the backup location during a hot backup
Copying the existing control file of the database to the backup location during a cold backup
D. Creating a backup control file
E. Using the create controlfile command
生啤酒巴氏杀菌时,把()℃经过()所引起的杀菌效果称为1个巴氏杀菌单位。
为什么巴西素有“咖啡王国”之称?第二次世界大战后它的经济发展有何特点?