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Ground transport is typically more affordable than air， but more expensive than sea especially in developing countries where inland infrastructure is not efficient.
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错
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Edmond Moutran spends more time travelling by air than working at his office.()
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Ground transport is typically more affordable than air， but more expensive than sea especially in developing countries where inland infrastructure is not efficient.
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单选题The customer asks for a scalable SQL server solution. What advantages supports the choice of the System x3950？（）A
More processing ’head room’ for a SQL infrastructure using eXpand on DemandB
A more affordable platform choice than HP Itanium based serverC
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单选题Which of the following statements is true concerning the overall efficiency of air compressors?（）A
High pressure compressors are more efficient than low pressure compressorsB
Mechanical efficiency divided by compressor efficiency will equal the overall efficiency of the compressor unitC
Two stage compressors are generally more efficient than single stage compressorsD
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单选题Sweat damage will occur in a cargo hold containing machinery parts when（）.A
the outside air is colder than the cargoB
the air temperature of the hold is higher than the outside air temperatureC
the dew point of the hold is higher than the temperature of the cargoD
the dew point of the outside air is lower than the temperature of the cargo
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单选题An air mass is termed warm if（）.A
it is above 70°FB
the ground over which it moves is cooler than the airC
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it originated in a low pressure area
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delivering more air into the cylinder than it would normally receive during an ordinary charging processB
forcing the products of combustion out of the cylinder with the fresh air chargeC
collecting the air charge at the cleanerD
combustion and expansion of hot gas
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单选题It would be disastrous for developing countries,______ at least 16 cities are expected to have more than 12 million people ______ by the end of this decade, failing to give priority to public transport.A
where; eachB
which; /C
that, everyoneD
in which; anyone
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单选题The International Air Pollution Prevention Certificate (IAPP) is issued to（）A
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all shipsD
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单选题When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）A
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balanceB
not balanceC
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be less than
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单选题According to the report, air pollution in big cities _____.A
can be more serious than Chernobyl nuclear disasterB
cannot be compared with the disaster in ChernobylC
can release as damaging radiation as the Chernobyl disasterD
can be more serious than we used to think
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