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When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
A . first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B . in a circular motion from the middle of the bulkhead outward
C . to the top of the flaming area，sweeping from side to side，and working toward the bottom
D . in an up-and-down motion from one side of the bulkhead to the other
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The crankcase cover should never be allowed to open for investigation when （）
A . the engine stops
B . the engine is running
C . you repair the engine
D . overhauling the engine
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Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.
A . the CO
being inhaled by personnel
B . reflash of burning liquids
C . vapor condensation on the extinguisher
D . the discharge causing a static spark
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A compressor should never be stopped （）.
A、without first cooling it
B、without first heating it
C、without first unloading it
D、without first loading it
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A co-worker is unable to invite you to a Microsoft Windows Meeting Space meeting. You need to receive an invite to the meeting.
What should you do?（）
https://assets.asklib.com/images/image2/2018073116354046272.jpg
A . A
B . B
C . C
D . D
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While you are working in a space，the fixed CO2 system is accidentally activated．You should（）.
A . Secure the applicators to preserve the charge in the cylinders
B . Continue with your work as there is nothing you can do to stop the flow of CO
C . Retreat to fresh air and ventilate the compartment before returning
D . Make sure all doors and vents are secured
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Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?（）
A . Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiation
B . Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gas
C . Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gas
D . This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless ga
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When reentering an engine room that has been flooded with CO2, the investigating team should initially（）.
A . leave the access door partially open
B . enter from the lowest level
C . enter from the highest level
D . attempt to operate machinery
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After using a CO2 extinguisher on a ship，it should be（）.
A . put back in service if some CO
remains
B . hydrostatically tested
C . retagged
D . recharged
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A co-worker is unable to invite you to a Microsoft Windows Meeting Space meeting. You need to receive an invite to the meeting. What should you do？（）
A . Sign in to the People Near Me feature.
B . Start the Distributed Transaction Coordinator service.
C . Create a custom Microsoft Windows Firewall exception to allow invitations from Windows Meeting Space.
D . In the Microsoft Windows Mobility Center window， configure the presentation settings.
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When a DHCP server is configured, which two IP addresses should never be assignable to hosts?（）
A . network or subnetwork IP address
B . broadcast address on the network
C . IP address leased to the LAN
D . IP address used by the interfaces
E . manually assigned address to the clients
F . designated IP address to the DHCP server
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If you want to listen well, you should listen to lots of new materials, and never stick on to one piece of material.
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4. Young men, never give up. Never give up! Never give up! Never, never, never, never! (Para.2, L6)
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When upgrading the room, we should never pay the extra charge.
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Sam is from Colorado, which is hundreds of miles from the coast, so he never (see)_____ the ocean. He should come with us to Miami.
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The room attendant should never touch the banknotes or documents on the desk when cleaning the guestroom.
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As speakers, we should ease the burden on our audience: never speak fast; speak steadily and clearly, and leave time for our audience to think and catch up.
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We should never ourselves to danger.
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Architects design buildings.
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(8) Computers should never have been invented.To what extent do you agree or disagree with this statement?
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We should never underestimate influence we can have on the children we love.
A．undersell
B．undervalue
C．disregard
D．misjudge
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Many people thinkthat a sense of competition in children should be encouraged. However, thisessay argues that children who are taught to co-operate rather than compete willbecome more successful in their future career.
A．Definition
B．Cause and effect
C．Process
D．Personal narrative
E．Description
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A co-worker is unable to invite you to a Microsoft Windows Meeting Space meeting. You need to receive an invite to the meeting.What should you do？（）
<img src='https://img2.soutiyun.com/shangxueba/ask/17127001-17130000/17128354/7abd49a24cacd242061e8df12a4cb873.jpg' />
A．A
B．B
C．C
D．D
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They should never try to pursue profit health and life of people.
A、in terms of
B、at sight of
C、at the expense of
