Lesson 8 背景知识选择-1What are the ways for the crew to reduce the aircraft's weight in the air?
A. To circle to waste fuel
B. To discharge fuel via fuel-dumping systems
C. To offload the luggage
D. To vaporize the fuel
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Lesson 8 背景知识选择-2Which areas can be designated as the area for fuel-dumping?
A. areas over seas
B. areas over unpopulated
C. areas over residential areas
D. areas over sparsely-populated
Lesson 8 背景知识选择-3What are the possible consequences of landing overweight?
A. structural damage
B. aircraft break-up
C. causing fire or sparks
D. loss of aircrfaft control
Lesson 8 背景知识选择-4What are the possible reasons for holding?
A. flow control
B. traffic congestion
C. flight delays at the airport
D. waiting for weather improvement
E. performing the checklist to do the troubleshooting
F. wide-use of GNSS
Lesson 8 背景知识选择-5Which of the following does not belong to precision approach?
A. VOR
B. NDB
C. ILS
D. Localizer Approach
E. GPS
F. MLS
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