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When fighting an oil or gasoline fire in the bilge,which of the following should NOT be used?()
A . Foam
B . Solid stream water nozzle
C . All-purpose nozzle
D . Carbon dioxide
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What is an advantage of using foam in fire fighting?()
A . It is effective in controlling fire in flowing oil such as coming from a broken fuel line
B . It absorbs heat from materials that could cause reignition
C . Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment
D . Once the surface is blanketed with foam and the fire is extinguished,no further foam is required
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The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to ().
A . secure all openings to the tank
B . discharge an initial charge of CO
with a hand portable extinguisher
C . direct a fire hose into the tank and energize the fire main
D . spray the tank boundaries with a fire hose to promote cooling
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In fighting a fire in a fuel tank, the FIRST action you should attempt is to ().
A . secure all sources of fresh air to the tank
B . begin transferring the fuel to other tanks
C . top off the tank to force out all vapors
D . station someone at the fixed CO
release control
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A GROUP OF CREW MEMBERS TRAINED FOR FIGHTING FLOODING IN THE VESSEL are known as().
A . Fire party
B . Deck cadets
C . Research team
D . Damage control team
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When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas),you should ().
A . attempt to isolate the fire from the LPG
B . cool the bottles or remove them from the fire area
C . see that the valves on all LPG bottles are closed
D . place insulating material over the bottle
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Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces,such as in a pumproom,provided that the().
A . persons in the space wear gas masks
B . persons in the space wear damp cloths over their mouths and nostrils
C . ventilation system is secured and all persons leave the space
D . ventilation system is kept operating
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The SOLAS convention prescribes that in the fire fighting drill the duty engineer should start the pump and supply deck water in() minute(s).
A . 5
B . 3
C . 2
D . 1
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A foam-type portable fire extinguisher is most useful in fighting a fire in().
A . generators
B . oil drums
C . the bridge controls
D . combustible metal
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The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to().
A . shield fire fighters from radiant heat
B . break up burning material
C . get the most water possible on the fire
D . drive heat and smoke ahead of the fire fighter
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The preferred agent used in fighting a helicopter crash fire is().
A . CO
B . dry chemical
C . water
D . foam
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Fighting a fire in the galley poses the additional threat of().
A . contaminating food with extinguishing agent
B . spreading through the engineering space
C . loss of stability
D . a grease fire in the ventilation system
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Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by().
A . progressive downflooding
B . reducing the level of drill water from the storage tanks
C . causing a list due to the water in the compartment
D . reducing the KG to minimum allowable
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Chinese kung fu evolved from the ways of human fighting and combat in ancient times.
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原文:他们不顾一切困难、挫折,坚持战斗。译文:They kept on fighting in spite of all dangers and difficulties.
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___________ three times in a row, the boxer decided to give up fighting.
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All the villages were ________ in the fighting.
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The author's attitude in fighting terrorism is ______.
A.positive
B.neutral
C.contradicted
D.negative
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听力原文: Palestinians living in the West Bank and Gaza face the prospect of another fuel crisis.
Israel suspended fuel supplies to those areas in the wake of the suicide bombing that killed 20 Israelis a week ago. The government lifted the ban on Wednesday. Now, the Israeli company that is the sole supplier of fuel to the Palestinians says it may be forced to stop pumping oil to those areas because of Israel's refusal to pay for the fuel with tax money collected on behalf of the Palestinians under the interim peace deals.
The Israeli Company, Dor Energy, said the Israeli government had canceled an earlier arrangement to pay the company for fuel out of the taxes collected.
Israel stopped transferring customs and tax funds to the Palestinian Authority shortly after the current conflict began last September in order to keep the Palestinians from using the money to support the uprising against Israel.
What caused the death of 20 Israelis a week ago?
A.Battle between Israel and Palestine.
B.A suicide bombing.
C.A car bombing.
D.A plane crashing accident.
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听力原文: A 3-year old Palestinian boy was killed and nine Palestinians were wounded late Tuesday in the northern Gaza Strip when rockets launched by militants misfired and landed in Palestinian areas, rescue workers said. Witnesses said militants fired three rockets at the Israeli town of Sderot where thousands of Israeli opponents of the planned Israeli withdrawal from Gaza had gathered in a demonstration. Two of the rockets fell in Palestinian areas and the third fell in an open field near Sderot. Among the wounded were five children, aged 4 to 11.
Who were the rockets launched by?
A.Palestinians.
B.Rescue workers.
C.Children.
D.Militants.
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听力原文: Palestinians continued to attack Israeli targets in the West Bank and Gaza Strip Friday, undermining efforts by US Secretary of State Colin Powell, to end the violence that has continued for nine months. Mr. Powell announced that there must be seven days of quiet to assess whether the Israeli-Palestinian ceasefire agreement is holding and the two sides can take steps to return to peace talks. Violence flared just hours after Mr. Powell' s departure from Israel Friday.
Palestinian militants fired mortar bombs at Jewish settlements in the Gaza Strip. And in the divided West Bank town of Hebron, Palestinian youths hurled rocks and petrol bombs at Israeli soldiers. The Israeli troops, who are there to protect the small community of Jewish settlers, fired on the Palestinians with rubber-coated metal bullets.
Israeli leaders say that unless all such incidents are halted, they will not adopt the next steps in a plan promoted by Secretary of State Colin Powell to get the two sides back to the negotiating table.
How long has the violence continued?
A.Nine months.
B.One year.
C.Since last Friday.
D.A week.
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Damage to cargoes unavoidably incurred in the course of fire-fighting operations can be regard as()
A. Partial loss
B.Particular average
C. General average
D.constructive total loss
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() the fact that his initial experiments had failed, Prof. White persisted in his res
A.A. White persisted in his researc
B.B.Because of
C.C.As to
D.D.In spite of
E.E.In view of