下列哪项关于提问对教学的作用的运用是错误的（） ["提问可以创设问题情境，吸引学生参与教学","问题可以激化认知矛盾，启发学生积极思维","通过学生对问题的回答可以检查学生对知识的理解、巩固和运用情况","经常提一些较难的问题，可以使同学们感到自己的无知，从而提升教师的权威性"]
Where is the su log located?（） [" \/var "," \/var\/adm "," \/var\/perf "," \/var\/spool"]
View the Exhibit to examine the metrics with a threshold.Which statement is true regarding the Number of Transactions (per second) metric?（） [" Oracle uses statistical relevance to determine when an adaptive threshold has been breached for the metric."," The statistics for the metric values observed over the baseline time period are not examined to determine threshold values."," Oracle determines when an adaptive threshold has been breached based on the maximum value captured by the baseline."," The total concurrent number of threshold violations, which must occur before an alert is raised for the metric, has been set to zero."]
Which two commands never trigger an implicit rebalancing within the disk group？（） [" ALTER DISKGROUP misc MOUNT"," ALTER DISKGROUP misc DROP DISK misc2"," ALTER DISKGROUP misc CHECK ALL NOREPAIR"," ALTER DISKGROUP misc RESIZE ALL SIZE 1023m"," ALTER DISKGROUP dgroupA ADD DISK ’\/devices\/A*&rsquo"]
在常用制动位时，主阀由于（）减压和副阀部的局减作用而呈制动位。 ["工作风缸管","作用风缸管","制动管","单独缓解管"]
雪卡鱼中毒
