题目内容

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

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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

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

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

词汇与结构It is very common for air traffic controllers to vector aircraft to the final approach ____, e.g. the ILS.

A. guide
B. means
C. control
D. aid

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