What example does the librarian give for the assignment？

A . The system change number, which is a point in time relative to transactions within a given database.  B . A number that represents time. Thus, at 1300 hours, the SCN is the same on all databases.  C . The security change number, which represents the security code that is needed to access any database structure. D . A conversion factor that converts internal database time to external clock time.  E . UTC time in the database, providing a standardized way of tracking time in Oracle.&e

A . There’S been nothing but rain for quite some time． B . He’S bored with the changing weather． C . He thinks that it’11 rain for three more weeks． D . He’S bored about the topic on weather．

A . enabling modular QoS over Frame Relay B . enabling Real-Time Transport Protocol （RTP） header compression C . enabling distributed compressed Transmission Control Protocol D . enabling latency and jitter reduction for Transmission Control traffic E . enabling TCP header compressio

A .  The system change number， which is a point in time relative to transactions within a given database. B .  A number that represents time. Thus， at 1300 hours， the SCN is the same on all databases.  C .  The security change number， which represents the security code that is needed to access any database structure. D .  A conversion factor that converts internal database time to external clock time. E .  UTC time in the database，providing a standardized way of tracking time in Oracle.

A、In the first part, the question should be raised. B、In the second part, some examples related to the question should be provided. C、The last part should be the conclusion.

A．He needs to see identification. B．The documents will be sent to her room. C．He forgot his notes for the morning. D．She can pick up her package.

A．Where he lives B．Where he is from C．Who he spoke with D．What he does for a living

A．The roads will stay clear. B．The drivers should avoid 7th Avenue. C．The drivers should take 5th Avenue. D．The roads are still congested.

A．A punitive policy B．A security system C．A cafeteria renovation D．A companywide pay cut

A．People should get well-prepared before the negotiation. B．It is essential to form. a united strategy to ensure a negotiation team's success. C．The negotiation team's members shouldn't talk without permission. D．A negotiating team needs a skilled leader who can keep disagreements inside the team.

A．An orange. B．An apple. C．A cup of tea.

A．A story has been changing since it first appeared in the 1930s. B．A person remembers a story for many years. C．A gene is passed on through many generations without changing. D．A song quickly becomes popular all over the world. 此题为多项选择题。

A．Normally people are quite familiar with the ageing process. B．All animals and other organisms undergo the ageing process. C．The law of thermodynamics functions in the ageing process. D．Human's ageing process is different from that of mechanisms.

A．A promotion B．Career advice C．Freelance work D．A job with Drake

A．Waitresses are often treated by customers as casual acquaintances B．Some customers simply show no respect to those who serve them C．Some customers like to make loud complaints for no reason at all D．People absorbed in a phone conversation tend to be absent-minded

A．Success of a meeting does not come easily. B．It takes skills to run a successful meeting. C．The beginning and ending are vital for meetings. D．The importance of meetings cannot be overstated.