One of the limitations of foam as an extinguishing agent is that foam（）.

A . To cut off the power when the davits hit the track safety stops B . To stop the davits from going too fast C . To cut off the power when the davits are about 12 inches or more from the track safety stops D . None of the above

A . cannot be made with salt water B . is heavierthan oil and sinks below its surface C . is corrosive and to fire fighters D . conducts electricity

A .  The ASM rebalance operation will likely consume fewer resources and complete in a shorter amount of time. B .  The ASM rebalance operation will consume fewer resources and complete in a longer amount of time. C .  The ASM rebalance operation will be parallelized and should complete in a shorter amount of time. D .  There is no ASM_POWER_LIMIT setting used in ASM. E .  None of the above.

A . Ability to hot-plug additional processors on demand B . Low cost of System x servers makes scaling out an option C . "Pay as you Grow" scalability of the IBM System x3950 server D . Integration of System x servers with the existing servers using an interconnect

A . The number of DBWR processes increases B . The number of ASMB processes increases C . The number of DBWR_TO_SLAVES increases D . The rebalancing operation in an ASM instance completes more quickly, but can result in higher I/O overhead

A . Pulse width B . Pulse repetition frequency C . Peak power D . Target brightne

A . the lack of cooling effect on heated materials B . that it cannot be used in a dead ship situation with no electrical power to the CO pump C . that it breaks down under extreme heat to form poisonous gases D . there is no effect on a class A fire even in an enclosed space

A . FIELD Type :="action"      B . SELECT Type ="action"  C . SELECT Type :="action "       D . @if (type="action";@success;@failure)&e

A . Exchange Control Panel （ECP） B . Exchange Management Console （EMC） C . Microsoft Office Outlook D . Public Folder Management Console

A . From Internet Information Services (IIS) Manager, modify the properties of the Web site. B . From the Properties of the Local Area Connection, install QoS Packet Scheduler. From the Local Security Policy, configure the QoS Packet Scheduler settings. C . From the Local Security Policy, enable auditing for Object Access. From the System Properties, modify the Performance settings. D . From the Properties of the Local Area Connection, enable and configure Network Load Balancing.

A) people wanted to live near a railroad station B) it was originally planned by railroad companies C) there was a law governing the size of the suburb D) local inhabitants didn’t like to out in the country

此题为判断题(对，错)。

A．T B．F

A.A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable B.A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable C.A vessel shall avoid proceeding along the channel because it is not safe and practicable D.A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable

When the result of an operation becomes larger/hall the limits of the representation,(75)occurs. A．overdose B．overflow C．overdraft D．overexposure

A．to add less fuel to the engine B．to limit the use of accelerator C．to push down the accelerator pedal D．to remove the pedal from accelerator

The situation presented by the () is very limited. It mainly focuses on the world of individual persons, so it is an effective device for describing the world of individual characters, which can be used as a life model or example of individual persons. A、first person calculator B、first person interlocutor C、first person narrator D、first person coordinator