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When the relative humidity is?
A：60-80%
B：40-60%
C：20-30%
45 題目：Pilots should state their position on the airport when
calling the tower for takeoff
A： from a runway intersection.
B： from a runway intersection, only at night.
C： from a runway intersection, only during instrument
46 題目：To make all the route aircraft have the same zero
altitude, the altimeter should set on .
A： the standard air pressure of the mean sea level
B： the standard air pressure of the local station
C： the standard air pressure of the calibrated sea level
7
47 題目：Where is a common location for an inversion?
A：Tropopause
B：Stratosphere
C：Base of cumulus clouds
48 題目：An alternate airport is not required for a supplemental
or commercial air carrier, turbojet-powered airplane on an IFR
outside the contiguous China, if enough fuel
A： is aboard to fly to the destination at normal cruise speed
and thereafter at least 2 hours at normal holding speed.
B： is aboard the airplane to fly to the destination and then to
fly for at least 2 more hours at normal cruising fuel
consumption.
C： to fly over the destination for 30 minutes at holding
airspeed at 1,500 feet AGL is carried aboard the airplane.
49 題目：The Federal Aviation Administration‘s Flight
Information Service Data Link (FISDL) provides the following
products:
A：METARS.SIGMETS, PIREP‘S and AIRMETS.
B：SPECIS, SIGMETS, NOTAM‘S, and AIRMETS.
C：Convective SIGMETS, PIREPS, AWW‘s, and adverse
conditions.
50 題目：How should reverse thrust propellers be used during
landing for maximum effectiveness in stopping?
A：Gradually increase reverse power to maximum as rollout
speed decreases
B：Use maximum reverse power as soon as possible after
touchdown.
C：Select reverse-pitch after landing and use idle power
setting of the engines
51 題目：When a composite flight plan indicates VFR for the first
portion of the flight, what is the procedure for the transition?
A：The VFR portion is automatically canceled and the IFR
portion is automatically activated when the pilot reports IFR
conditions.
B：The pilot should advise ATC to cancel VFR and activate the
IFR portion of the flight.
C：The pilot should close the VFR portion with the nearest FSS
and request the IFR clearance at least 5 minutes prior to IFR.
52 題目： [Refer to Figure 4-25] What is the maximum landing
weight which will permit stopping 1,500 feet short of the end of
a 4,950-foot dry runway with reversers and spoilers
inoperative?
A：119,000 pounds
8
B：136,000 pounds
C：139,000 pounds
53 題目： (According to figure 4) at Shanghai, which description
is correct
A：The visibility is 800 meters, the sea level pressure is 996
hPa,
B：The visibility is 8 kilometers, the QNH is 999.6 hPa,
C：The visibility is 8 kilometers, the sea level pressure is
999.6 hPa,
54 題目：Dew point temperature is:
A： the ……dry……wet bulb
B：wet and dry bulb
C：wet bulb……
55 題目：When is the course deviation indicator (CDI) considered
to have a full-scale deflection?
A：When the CDI deflects from full-scale left to full-scale
tight, or vice versa.
B：When the CDI deflects from the center of the scale to
full-scale left or right.
C：When the CDI deflects from half-scale left to half-scale
right, or vice versa.
56 題目：What is the difference between a visual and a contact
approach?
A： a visual approach is initiated by ATC;while a contact
approach is initiated by the pilot
B：both are the same;
C： a visual approach is an IFR
57 題目：When a composite flight plan indicates IFR for the first
portion of the flight, what is the procedure for the transition?
A：The IFR portion is automatically canceled and the VFR
portion is automatically activated when the pilot reports VFR
conditions.
B：The pilot should advise ATC to cancel the IFR portion and
contact the nearest FSS to activate the VFR portion.
C：The pilot should advise ATC to cancel the IFR portion and
activate the VFR portion.
58 題目： [Refer to Figure 4-25.] How many feet will remain after
landing on a 7,200-foot dry runway with spoilers inoperative at
118,000 pounds gross weight?
A：4,200 feet.
B：4,500 feet.
C：4,750 feet.
59 題目：Where will the highest temperature in a turbojet engine
occur?
9
A：Turbine inlet
B：Compressor discharge
C： Fuel spray nozzles
60 題目： An aircraft that encounters a headwind of 40 knots,
　
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