[单选] A full backup of your database named DB1 is created automatically at midnight every day. Differential backups of DB1 occur twice each day at 10:00 and at 16:00. A database snapshot is created every day at noon. A developer reports that he accidentally dropped the Pricelist table in DB1 at 12:30. The last update to Pricelist occurred one week ago. You need to recover the Pricelist table. You want to achieve this goal by using the minimum amount of administrative effort. You must also minimize the amount of data that is lost. What should you do?（）

A . Restore the most recent backup into a new database named DB1bak. Apply the most recent differential backup. Copy the Pricelist table from DB1bak to DB1.
B . Delete all database snapshots except the most recent one. Restore DB1 from the most recent database snapshot.
C . Recover DB1 from the most recent backup. Apply the most recent differential backup.
D . Copy the Pricelist table from the most recent database snapshot into DB1.

商业计划的外部使用者包括顾客、供应商、政府和投资者。下列（）不是力的三要素之一。大小。惯性。方向。作用点。节税是以纳税最优化，纳税人的税收负担最轻化为目的。法律与道德都能起到惩恶、劝善的作用。反渗透水的回收率应为（）左右 98%。 90%。 70%。 75%。 A full backup of your database named DB1 is created automatically at midnight every day. Differential backups of DB1 occur twice each day at 10:00 and at 16:00. A database snapshot is created every day at noon. A developer reports that he accidentally dropped the Pricelist table in DB1 at 12:30. The last update to Pricelist occurred one week ago. You need to recover the Pricelist table. You want to achieve this goal by using the minimum amount of administrative effort. You must also minimize the amount of data that is lost. What should you do?（）

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