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名词解释题
给水站 water supply station
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What is most likely to be discussed in the paragreh that follows?A.Steps to improving water use managet.B.Ways tor redjuce the costs of builing dams.C.Measured to dmal with worldwide water shortages.D.Appmihes to handling the pressure on water supply.
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The text is mainly about .A.water supply and increasing populationB.water use management and agricultureC.water redistribution and wildlife protectionD.water shornages and environmental protection.
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Once__, this power station will supply all the neighboring towns and villages with electricity.
A.is being completedB.it completedC.completedD.it completes
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The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler()
A.salinity is abnormallyB.high steam demand is tooC.feed-water flow is lowD.water level is abnormally low
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One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier isA.seal water supply be cut offB.make-up water supply be cut offC.oil outlet valve closed or not open sufficientlyD.the flow rate of oil is too much
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By saying "the world has been spared a t.rue water war" (Line 1, Para.4), the author means（ ）[A] the water supply in the world is more than needed[B] the world has saved enough water to avoid the war[C] the world has never suffered a war triggered by water[D] the world spares no effort to avoid a war caused by water
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According to the last paragraph, the fourth way is "of a different kind" because（ ）[A] the first three ways can increase the water supply, while the fourth one can't[B] the first three ways can make a better use of water, while the fourth one can't[C] the first three ways is technology-based, while the fourth one is market-based[D] the first three ways can't balance the supply and demand of water, while the fourth one can
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The blowers of an inert gas generation system aboard a tanker，will be automatically secured if ______．A.Normal water supply at the water seal is lostB.The temperature of the inert gas being delivered to the cargo tanks is more than 150℉C.The cooling water supply to the scrubbers is lostD.All of the above
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Once ______, this power station will supply all the neighboring towns and villages with electricity.A.it being completed
B.it completed
C.completeD.D.it completes
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单选题If separating effect is not good, which measure should be taken （）A
working at intervals and properly heatingB
warming up to 70℃, increase water supply flowC
improving impulse of water supplyD
reducing water supply flow
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单选题A water pump can not supply water after startingIt may be caused by （）.A
closed discharge valveB
broken pipe lineC
worn shaftD
both A and B
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单选题When distilling salt water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.A
to cut down the amount of cooling water neededB
to prevent an excess amount of cooling water from being discharged to the bilgesC
to supply hot water to the evaporator for more economical operationD
None of the above is tree
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单选题The fuel from the bunker tanks must be treated by before entering the service tanks（）, from where the fuel enters（）A
centrifugal separators; the engine cylinderB
oily water separators; the engine cylinderC
oily water separators; the fuel supply systemD
centrifuges; the fuel supply system
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单选题Oil fires are best extinguished by（）.A
cutting off the supply of oxygenB
removing the fuelC
cooling below the ignition temperatureD
spraying with water
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单选题One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）A
seal water supply be cut offB
make up water supply be cut offC
oil outlet valve closed or not open sufficientlyD
the flow rate of oily water is too much
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单选题One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier is （）A
seal water supply be cut offB
make-up water supply be cut offC
oil outlet valve closed or not open sufficientlyD
the flow rate of oil is too much
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单选题If separating effect is not good, we can improve it by （）A
flushing separator with hot waterB
increasing water supply flowC
heat oily water properlyD
opening manual oil discharge value
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单选题In order to raise the efficiency of the water supply, measures should be taken to _____.A
centralize the management of water resourcesB
increase the sense of responsibility of agencies at all levelsC
guarantee full protection of the environmentD
encourage local and regional control of water resources
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问答题A hiker in a national forest stopped at a ranger station to add water to her canteen. How many ounces of water were in the canteen when she arrived at the ranger station? (1) The hiker added 24 ounces to the canteen at the ranger station. (2) After the hiker added water to the canteen, the canteen was 75 percent full.
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单选题The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.A
normal water supply at the water seal is lostB
the temperature of the inert gas being delivered to the cargo tanks is more than 150°FC
the cooling water supply to the scrubbers is lostD
all of the above
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