Where is the most air freight shipped in the passenger aircraft?（）
第1题：
A、for
B、of
C、on
D、in
第2题：
Where a period is fixed during which freight is to be paid，the Shipowner must ______ to deliver the goods throughout the whole of that period if he wishes to claim payment．
A.be had
B.be made
C.be prepared
D.be delivered
第3题：
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
第4题：
第5题：
What is the most probable cause of reduced capacity in a reciprocating air compressor ________．
A.Carbon on cylinder heads
B.Faulty unloader
C.Leaking air valves
D.Plugged air cooler
第6题：
The master cannot sue ______ freight where he signs bill of lading merely as the Shipowner's agent．
A.to
B.for
C.as
D.on
第7题：
Combustible gas indicators operate by drawing an air sample into the instrument ______．
A.Over an electrically heated platinum filament
B.Where it is mixed with nitrogen
C.Where it is ignited by a sparking device
D.Where its specific gravity is measured
第8题：
The air pollution exceeds most ________ levels by 10 times or more.
A acceptable
B accessible
C available
D applicable
第9题：
Advection fog is most commonly caused by ______.
A.air being warmed above the dew point
B.saturation of cold air by rain
C.a rapid cooling of the air near the surface of the Earth at night
D.warm moist air being blown over a colder surface
第10题：
On traffic lanes where demand is strong and plane capacity is limited， the air rates will be （）and vice versa for traffic lanes where supply exceeds demand.