【单选题】A 70-year-old man presents with fever, shaking chills, and shortness of breath. The patient exhibits grunting respirations, 30 to 35 breaths per minute, with flaring of the nares. The sputum is rusty ...
【单选题】The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the reco...
A.
You should perform a log switch
B.
You should make a backup of the database
C.
You should switch the database to the NONARCHIVELOG mode
D.
You should shut down the database instance and perform a complete database recovery
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. The business cycle ( 经济周期 ) is composed of many phases and one of them is the expan...
A.
The expansion of existing facilities.
B.
The creation of new business.
C.
The disappearance of old business.
D.
The increase of optimism about the future of economy.