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When compared to air temperature,which factor is most useful in predicting fog?（）
A . Vapor pressure
B . Dew point
C . Barometric pressure
D . Absolute humidity
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Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?（）
A . Cooling the air to a temperature just above dew point
B . Heating the air to a point at which moisture will boil off ,then re-cooling it
C . Cooling the air to a point below dew point, then reheating it
D . Heating the air and then cooling it to a point below dew point
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（）is a logistics center where most inbound goods are the whole truckload most outbound goods are small pieces.
A . collecting center
B . collecting goods center
C . consolidation center
D . Deconsolidation center
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The major difference between the discharge and suction valves installed in most low pressure, reciprocating air compressors is that（）
A、one valve seats upwards, while the other seats downwards
B、the reed valves used on the discharge are made substantially thicker and heavier than thesuction valves
C、the suction valve springs exert a greater tension than the discharge valve springs
D、the discharge valve springs exert a greater tension than the suction valve springs
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Where is the most air freight shipped in the passenger aircraft?（）
A . separately
B . Not clear
C . In the lower part
D . Not mention here
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The most serious effect of air trapped in a diesel engine jacket water cooling system is that it（）.
A . causes colloid suspension in the cooling water
B . reduces the capability of the lubrication system
C . can form pockets which block the flow of coolant through the system
D . leads to the scuffing of cylinder wall
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A manufacturer wishes to create a site where its resellers can get real-time quotes and order from distributors of the manufacturer’s products. Which is the most appropriate WebSphere Commerce business model to support this requirement？（）
A . B2B Direct
B . Demand Chain
C . Hosting
D . Supply Chai
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You are the administrator of a network where many print devices are being used. A user Mike complains that whenever he sends a print job to a printer named Int_Prn, the printout is illegible. What is the most likely cause of this problem?（）
A . Incorrect spooler setting
B . Incorrect network protocol
C . The spooler service is malfunctioning or has crashed
D . Incorrect page size
E . Incorrect paper size
F . Incorrect driver&e
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Where does the conversation most probably take place?
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Where does the dialogue most probably take place？
A．At the railway station.
B．At the airport.
C．At a bus stop.
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听力原文：W: Air pollution is one of the most serious problems in the world. Polluted air can make us sick or even kill us. Why isn't more done to stop it？
M: Everyone wants to stop it, but it is a difficult problem to solve. Meat pollution is mused by things people need.
W: What do you mean？
M: Well, automobiles and airplanes cause pollution but they also provide transportation.
W: Right. And factories cause air pollution but they provide people with jobs and products.
M: Cities are the worst offenders. In crowded cities, factories and cars can add tons of pollution to the air every day.
W: Yes. When I drove, to town yesterday, the clear air changed. It seemed like a dark cloud hung over the city.
M: Nobody likes air pollution. It smells bad; it makes it difficult to breathe.
W: True, it even damages the plants that provide tis with food. No wonder we get sick. It's dangerous to everyone's health.
M: I think everyone knows it is a serious problem. When air pollution can even damage strong materials like steel and concrete; think what it does to poor humans.
W: It is terrible, and yet we do need some things that cause it. We'll have to try to figure out a solution.
(20)
A．Most people don't think it is a serious problem.
B．Most of our pollution is caused by things people need.
C．The government has not spent enough money to stop it.
D．The seriousness of pollution has not been realized by the government.
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Where does the conversation most probably take place？
<img src='https://img2.soutiyun.com/ask/uploadfile/2664001-2667000/ea60091ab7195dc2fdcc8f7aadcdc325.gif' />
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Where did the passage most probably appear？
A. In a specialized publication for moral philosophers.
B. In a specialized report for doctors.
C. In a weekly news magazine with a large readership.
D. On the front page of a daily newspaper.
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The passage implies that dead-air space is most likely to be found______.
A．on a ceiling four inches away from a wall
B．near an open window
C．close to where a wall meets a ceiling
D．in kitchens and garages
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Air coming from the lungs and through the windpipe passes through the (), a part of the larynx, which is a bony structure at the end of the windpipe. This is the first point where sound modification might occur.
A.nose
B.teeth
C.glottis
D.mouth
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Where does the conversation most likely take place？
A．At Tom's home.
B．In the street.
C．At the doctor's office.
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Martin Luther King's__________ is one of the most representative works where colored people struggle for equal rights to the whites.
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Where most likely is the announcement being made？
A．At a seminar.
B．At an exhibition.
C．At a concert hall.
D．In an office.
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Which of the following is cited by the author as the place where the supply of water is most likely to threaten social stability？
A．Africa.
B．The southern hemisphere.
C．Egypt.
D．All the developed countries.
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（) hearing the news of the air attack,most civilians headed for the border.
A．At
B．In
C．On
D．When
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Most ranches are located in flat open country where there is plenty of grass for the
A．A.大多数牧场位于平坦开阔的地区，那里有充足的青草给牛吃
B．B.大多数牧草丰盛的牧场位于平坦开阔的国家，能喂饱牧场里的牲畜
C．C.大部分牧场都坐落在拥有开阔平原的国家，那儿有充足的牧草来喂牛
D．D.农村有大片平坦广阔的土地又有足够饲养牲畜的牧草，很多牧场都建在农村
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Where most likely is Mr. Andersons business located？
A．On Temple Road
B．On Cooper Road
C．On Riverfront Road
D．On Avalon Road
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Home is the place where we__ the most, but are often treated the best（）
A．grumble
B．retire
C．meditate
D．inquire
E．require
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In lampbrush chromosomes of amphibian oocytes, most of the DNA is in the loops, which are actively transcribed, while the rest remains highly condensed on the chromosome axis, where genes are generally not expressed.
