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Open the （）before starting an air compressor.
A . unload valve
B . cooling water
C . oil cup
D . sum
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You have created a resource plan， DB_PLAN， using DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN and you want to impose a restriction on utilization of resources by the database users. Which step must be performed before you can start using the resource plan？（）
A . assign users to consumer groups
B . set the resource plan for the instance
C . configure a simple resource plan and specify plan directives
D . configure a complex resource plan and specify plan directive
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（）from one phase are usually reviewed for completeness and accuracy and approved before work starts on the next phase.
A . Process
B . Milestone
C . Work
D . Deliverables
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Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.
A . open the bypass line
B . cut in the lube oil cooler
C . pressurize the lube oil system
D . top off the expansion tank
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Before starting a reciprocating, steam-driven pump that has been idle for a period of time, you should （）.
A . open the steam line mot valve
B . drain the steam cylinder
C . close the steam cylinder drains
D . open the liquid cylinder drai
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Before starting to hoist provisions，which should be checked?（）
A . Hoist rope is not kinked
B . Multiple part lines are not twisted around each other
C . The hook is centrally located over the load
D . All of the above
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Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?（）
A . Electric power and starting air
B . Lube oil standby pump and control air
C . Hydraulic switch and engage jacking gear
D . Motor drain and pneumatic control system power
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Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.
A . the indicators
B . the starting valves
C . the cylinder lubricators
D . the turning gear
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You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error： ORA-01555： snapshot too old How would you prevent such an error in the future？（）
A . guarantee undo retention
B . add one more redo log group
C . size the redo log files appropriately
D . size the UNDO tablespace appropriately
E . size the SYSTEM tablespace appropriately
F . configure an appropriate undo retention interval
G . change automatic undo management to manual
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After the engine is warned, we should（） the turning gear before starting up the engine.
A . take in
B . put in
C . take out
D . put u
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（） from one phase are usually reviewed for completeness and accuracy and approved before work starts on the next phase.
A . Process
B . Milestone
C . Work
D . Deliverables
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You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error： ORA-01555： snapshot too old How would you prevent such an error in the future？（）
A . guarantee undo retention
B . add one more redo log group
C . size the redo log files appropriately
D . size the UNDO tablespace appropriately
E . size the SYSTEM tablespace appropriately
F . configure an appropriate undo retention interval
G . change automatic undo management to manual
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Be sure to make the engine turn by （） before starting and after stopping .
A . steering gear
B . turning gear
C . steering wheel
D . turning cycle
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Before starting an air compressor, It should be （）.
A . unloaded
B . primed
C . filled with water
D . greased
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The following preparations are essential for any （） of marine diesel engine before it may be started.
A . doing
B . make
C . turn
D . operating
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Before starting an engine by air, the engine must（）
A . be turned by a turning gear for at least one minute
B . be turned by a turning gear for at least two minutes
C . be turned at least one complete turn
D . be turned at least two complete tur
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Before starting the engine the air bottle should be （）.
A . pumped up
B . loaded
C . discharged
D . opened
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Before starting a diesel engine, you should always（）
A . check the pyrometer readings
B . check the crankcase oil level
C . check the fuel oil strainers
D . clean the fuel system
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Before you start an engine in a compartment，it’s MOST important to（）.
A . check the flame arrester
B . check the fuel tank
C . check the battery
D . ventilate the bilge
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Why should Geron discuss its plans with FDA before starting the first clinical trials?
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In the Elizabethan Age, a yellow flag would be raised for a tragedy in the theatre before the performance started.
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Why does the author start with the car, industry before he focuses on tablet market？
A．Because he treats the car industry as the key point for his writing.
B．Because the car industry is more important than table market.
C．Because he uses the car analogy for a more effective argumentation.
D．Because the model of the car is far more popular in the market.
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Where did David Torchman work before he started the magazine？
A．on a newspaper
B．in the travel business
C．at a bank
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We’d better not talk about starting up a new comp any before the first one is operating smoothly, or we’ll be getting into deep _____ . 在第 一个公司未能顺利运作之前最好别谈开新公司, 否则 我们会陷于困境的
