[单项选择]The two astronauts have splashed down in the Pacific Ocean, only five miles from the aircraft carrier that was______ for the recovery mission.
A. detach
B. dispatched
C. devote
D. dismantled

[单项选择]The two astronauts have splashed down in the Pacific Ocean, only five miles from the aircraft carrier that was______ for the recovery mission.
A. detach
B. dispatched
C. devote
D. dismantled

[单项选择]The three astronauts have splashed down in the Pacific Ocean, only six miles from the aircraft carrier that was _________ for the recovery mission.
A. dispatched
B. deposited
C. deployed
D. delivered

[单项选择]What have the two French geophysicists discovered in their research

[单项选择]

Futurists have identified two changes that seem to be central to contemporary social life. First, the United States is being restructured from an industrial to an information society. Second, modem societies are increasingly shifting from a national to a global economy. Futurists have applied a good many metaphors to these changes, including Daniel Bell’s "postindustrial society," Alvin Toffler’s "the third wave" and John Naisbitt’s "megatrends". Common to these metaphors is the notion that American society is shifting from the production of goods to the production of services and from society based on the coordination of people and machines to a society organized around knowledge. These changes, it is contended, will afford a great variety of choices. The world will increasingly be one of many flavors, not just vanilla or chocolate. Many observers of contemporary American life believe that we are witnessing a historical change and
A. the instrument of production.
B. the size of the society.
C. the social structure.
D. the economic market.

[单项选择]Together （）of Alaska fur seals swim down the Pacific Coast of North America.
A. mothers and the young
B. fathers and the young
C. parents and the young
D. seals and whales

[单项选择]How many planets orbiting other stars have the two scientists discovered so far
A. 100.
B. 69.
C. 66.
D. 65.

[单项选择] You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux. You have set the DB_SMART_FLASH_FILE parameter: DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’ How should the DB_FLASH_CACHE_SIZE be configured to use both devices?（）
A. Set DB_FLASH_CACHE_SIZE=64G
B. Set D3_FLASH_CACHE_SIZE=64G, 64G
C. Set D3_FLASK_CACKE_SI2E=128G
D. db_flash_cache_SI2E is automatically configured by the instance at startup

[单项选择]You have failed two tests. You'd better start working harder, ______ you won't pass the course.
A. and
B. but
C. or
D. so

[单项选择]You have failed two tests. You'd better start working harder, （）you won't pass the course。
A. and
B. but
C. or
D. so

[单项选择]Compound microscopes have two separate lenses or sets of lenses.


A. split
B. equal
C. detachable
D. distinct

[单项选择]Viruses usually have two phases to their execution, the infection phase and the (75) phase. The later phase is optional, since stone viruses simply reproduce.
A. reproduce
B. proliferation
C. defend
D. attack

[单项选择]They have two teams, and ______ have a good chance of winning.
A. all
B. either
C. both
D. each

[单项选择]I have two ______.

[单项选择] Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）
A. ALTER DATABASE DROP LOGFILE GROUP 1;
B. ALTER DATABASE CLEAR LOGFILE GROUP 1;
C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D. ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG