题目内容

标志着公共政策是一种有明确方向的活动的是()。

A. 经济政策的制定
B. 经济政策的实施
C. 公共目标的设定
D. 公共问题的设定

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(1).匹鲁卡品是()(2).新斯的明是()(3).神经毒气沙林是()(4).碘解磷定是()

A. 胆碱酯酶复活剂
B. 难逆性胆碱酯酶抑制剂
C. M受体激动剂
D. 易逆性胆碱酯酶抑制剂

伪科学就是一时的科学错误。

A. 正确
B. 错误

(1).听力减退()(2).二重感染()(3).肾损伤()(4).骨髓毒性()

A. 庆大霉素的不良反应
B. 氯霉素的不良反应
C. 头孢氨苄的不良反应
D. 四环素的不良反应

Media recovery can sometimes be stopped by the inability to read past a certain point in the redo stream. This is often referred to as “stuck recovery”. Before Oracle9i, the Database Administrator had few options to deal with stuck recovery. If the corrupt redo could not be recovered from some other source, then all transactions that committed after the corrupt point in the redo steam would be lost. Oracle9i changes that with the Trial Recovery feature. Trial Recover is used to test the application of the redo logs to the database. What are three other characteristics of Trial Recovery()

A. Speeds up subsequent media recover actions.
B. Writes any uncorrupted block to disk during the test recovery.
Can be invoked by adding the TEST option to any RECOVER command.
D. Allows the Administrator to determine how many blocks are affected by corruption.
E. Marks blocks as corrupt in memory, allowing the test recover to proceed to completion.

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