更多"[单选题]_______ is the number assigned"的相关试题:
[单选题]The coded signal transmitted by the _______ mounted on the radar antenna, causes the aircraft transponder to reply automatically with a specific coded signal.
A.decoder
B.radarscope console
C.interrogator
D.reflector
[单选题]The time interval the receiver detects the transmitting pulse and the receiving pulse is to measure_______.
A.bearing of target
B.speed of target
C.distance of target
D.elevation of target
[单项选择]
Each machine in the Internet is assigned a unique network address,called（）that is used to identify the machine for communication purposes.
A. MAC address
B. IP address
C. host address
D. domain name address
[单选题]If the radar receiver detects the retarding time tR=500(S between transmitting pulse and receiving pulse, now the target is _______ km from the radar station.
A.150
B.120
C.100
D.75
[单项选择]Which signal is a call for help
A. Shouting here and there.
B. Crying twice.
C. Shouting or whistling three times together.
[单项选择]The doctor is feeling the little girl's pulse. He says it ______ normal.
A. feels
B. is feeling
C. has felt
D. is felt
[单项选择]Her pulse was too weak to ______.
A. detect
B. spot
C. locate
D. see
[单项选择]For relation R where primary key contains multiple attributes,no non-key attribute should be functionally dependent on a part of the primary key. This relation R is at least in
A. 1NF
B. 2NF
C. 3NF
D. BCNF
[单项选择]This multiple choice test （） 35 incomplete statements, please choose A, B, C or D to complete them.
A. is composed of
B. consists in
C. makes up
D. makes use of
[判断题]使用signal flare时应在风上侧45度角
A.正确
B.错误
[判断题]( )夜间使用 signal flare 时,应选择平滑的一端。
A.正确
B.错误
[单选题]The _______ signal by radiotelephony is “MAYDAY” and by radiotelegraphy SOS.
A.distress
B.emergency
C.disaster
D.highjack
[单选题]_______ is a route assigned to pilot when any part of an airway or route is unusable because of NAVAID status.
A.New route
B.Substitute route
C.Old route
D.Planned route
[单选题]When the pilot has deviated from his assigned altitude, he should use _______ to make a pitch correction.
A.altimeter and VSI
B.airspeed indicator and VSI
C.attitude indicator and altimeter
D.attitude indicator, altimeter, and VSI
[单选题]Which of the following will not be a common reaction by the pilot after obtaining a clearance to “taxi to” the assigned takeoff runway?
A.He can cross any runways except the active runway that may intersect his taxi route
B.He can directly taxi onto the departure runway
C.He should stop at the hold lines of any active runway that is on the taxi route
D.He should stop at the hold lines of his assigned departure runway, check for traffic, and continue only after cleared to do so
[单选题]When the inbound leg of an assigned holding pattern lies on the 030 radial of VOR, which holding direction will be specified in the clearance?
A.Hold northeast
B.Hold east
C.Hold southwest
D.Hold west
[单选题]Codes shall be assigned to aircraft in accordance with the plan and procedures laid down by the appropriate _______ authority.
A.ATC
B.ATS
C.AIS
D.SAR
