题目内容

车用油的作用()、()、()、()。

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You are in the middle of a transaction updating a very important table. The machine on which a database wasrunning reboots because of power outage. This caused a database instance failure. Which statement is true inthis situation()

A. The online redo log files and archived redo log files are required to accomplish the recovery.
B. The uncommitted transaction will be committed at the next startup of the database instance.
C. The uncommitted transaction is rolled back automatically at the next opening of the database.
D. The DBA has to perform the recovery on the database to recover the uncommitted transactio

物探的物理背景是什么?

右心导管多由_________或___________经上腔或下腔静脉入右心房。

刑法的基本原则包括()。

A. 罪刑法定原则
B. 有罪追溯原则
C. 平等适用刑法原则
D. 罪刑相适应原则
E. 有罪类推原则

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