超星 - Lesson 12 过关检测：词汇与结构 - 查题吧

单选题

词汇与结构Modern localizer antennas are highly directional. However, usage of older, less directional antennas allows a runway to have a ____ approach called a localizer back course.

A. accuracy
B. non-precision
C. precision
D. inaccuracy

单选题

词汇与结构The glideslope____no identification signal, so ILS equipment relies on the localizer for identification.

A. transmits
B. transfers
C. modifies
D. receives

单选题

词汇与结构Localizer back course signal is reverse sensing so a pilot may have to fly ____ the needle indication.

A. opposite
B. towards
C. to
D. around

单选题

词汇与结构If neither can be seen, the approach must be ____ and a missed approach procedure will be performed.

A. advanced
B. aborted
C. delayed
D. continued

单选题

词汇与结构An aircraft that has ____ both the localizer and the glideslope signal is said to be established on the approach.

A. detected
B. sensed
C. intercepted
D. found

单选题

词汇与结构Once ____ on an approach, the Autoland system or pilot will follow the ILS and descend along the glideslope, until the Decision Altitude is reached.

A. intercepted
B. built
C. flew
D. established

单选题

词汇与结构From the Decision Altitude, the pilot will either try the same approach again or ____ to another airport.

A. divert
B. backtrack
C. turn
D. deviate

单选题

词汇与结构We can execute a ____ if the visibility is below the minima required to execute a safe landing.

A. missed approach
B. landing
C. diversion
D. detour

单选题

词汇与结构It also allows instrument approaches to be made procedurally at airports where air traffic control does not use or in the case of failure.

A. radio
B. communication
C. electricity
D. radar

单选题

词汇与结构When aircraft are under radar control, air traffic controllers may replace some or all of these phases of the approach with radar____.

A. guidance
B. services
C. vectors
D. controls

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