[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]

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. more intolerable.
B. larger.
C. more varied.
D. a pleasanter place.

[填空题]Great changes have been taken place in China since 1978（）.

[单项选择]Landsat 7 shows how changes have occurred on land by sending back ______.
A. images taken with a Polaroid camera
B. the latest images taken by a government satellite
C. a television camera
D. astronauts

[单项选择]In ______ 1980s great changes have taken place in China. The story happened in______ early 1960s.
A. the, the
B. ×,×
C. the, ×
D. ×,the

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

[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]

All the changes that have overtaken Shetland recently.（）

A. happened unexpectedly
B. changed quickly
C. prevented unexpectedly
D. caught up with

[单项选择]Two different theoretical explanations seem to be produced by Zimring's analysis. What are they

[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]Psychologists have been studying the changes people experience when they leave rural areas and move into urban environments.
A. 心理学家已经研究人们经历上的变化，特别是当他们离开农村进入城市的时候。
B. 当心理学家离开农村进入城市的时候，他们研究了人们经历上的变化。
C. 心理学家们一直在研究人们在离开农村进入到城市时所经历的变化。
D. 心理学家，从农村到城市，一直在研究人们所经历的各种变化。

[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

[单项选择]His parents and teachers seem to have no influence ______ his actions.
A. to
B. in
C. for
D. on