the former
the latter
not for sure
same each other
第1题：
The effective temperature of air is dependent upon ______. I. relative humidity II. air velocity
A.I only
B.II only
C.Both I and II
D.Neither I nor II
第2题：
The dew point is reached when the ______.
A.temperature of the air equals the temperature of the seawater
B.atmospheric pressure is 14.7 lbs. per square inch
C.relative humidity reaches 50%
D.air becomes saturated with water vapor
第3题：
critical relative humidity
第4题：
Fog is likely to occur when there is little difference between the dew point and the ______.
A.relative humidity
B.air temperature
C.barometric pressure
D.absolute humidity
第5题：
As the temperature for a given mass of air increases, the ______.
A.dew point increases
B.dew point decreases
C.relative humidity increases
D.relative humidity decreases
第6题：
A psychrometer has two thermometers that provide dry bulb and wet bulb temperatures. By comparing these two temperature readings with a set of tables you can determine the ______.
A.atmospheric pressure
B.wind speed
C.relative humidity and dew point
D.wind chill factor
第7题：
As the temperature for an air mass decreases, the ______.
A.absolute humidity increases
B.relative humidity increases
C.specific humidity increases
D.dew point rises
第8题：
A.cooling only
B.cooling and humidifying
C.cooling and dehumidifying
D.adiabatic(绝热的)cooling
第9题：
Cloud formations are minimal when the ______.
A.surface temperature and temperature aloft are equal
B.surface temperature and temperature aloft differ greatly
C.barometric pressure is very low
D.relative humidity is very high
第10题：
临界相对湿度（critical relative humidity，CRH）