What is the basic tone of the writer judging from the article？

A . The optimizer statistics are collected automatically. B . Only the timed operating system （OS） statistics and plan execution statistics are collected. C . The Oracle server dynamically generates the necessary statistics on tables as part of query optimization. D . The snapshots for the Automatic Workload Repository （AWR） are not generated automatically.  E . Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAGE.

A . 2 B . 3 C . 4 D . 5

A .  basic cannot be used in transparent proxy mode B .  basic requiresreauthentication with every new domain C .  NTLMSSP is compatible with open LDAP D .  NTLMSSP is more secure than basic

A . Ironic B . Passionate C . Humorous D . Matter-of-fact

A . Search and rescue authorities ashore can be alerted to a distress situation B . Shipping in the immediate vicinity of a ship in distress will be rapidly alerted C . Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay D . All of the above

A . Greenish B . Bluish C . Grey D . Grey-white

A . The optimizer statistics are collected automatically. B . Only the timed operating system （OS） statistics and plan execution statistics are collected. C . The Oracle server dynamically generates the necessary statistics on tables as part of query optimization. D . The snapshots for the Automatic Workload Repository （AWR） are not generated automatically.  E . Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAGE.

A . Magnetic materials of the same polarity repel each other and those of opposite polarity attract B . The Earth's magnetic lines of force are parallel to the surface of the Earth C . Magnetic meridians connect points of equal magnetic variation D . The compass needle(s) will，when properly compensated，lie parallel to the isogonic lines of the Earth

A . Optimizer statistics are collected automatically. B . Only timed operating system （OS） statistics and plan execution statistics are collected. C . The snapshots for the Automatic Workload Repository （AWR） are not generated automatically. D . Snapshots cannot be collected manually by using the DBMS_WORKLOAD_REPOSITORY package. E . The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.

A．critical B．factual C．humorous D．romantic 此题为多项选择题。

A．T B．F

A．nationalistic. B．pro-wildlife. C．anti-wildlife. D．feminist.

A．Approving. B．Criticizing. C．Ironical. D．Neutral.

A．highly emotional B．highly personal C．optimistic D．calm

A．Depressed. B．Optimistic. C．Opposing. D．Negative.

A、精神风貌Proper appearance B、语言规范Standard language C、技术水平Technical skill D、行为举止Good manner 此题为多项选择题。

A．unconcerned B．angry C．anxious D．sarcastic