The aircraft base is protected with specially designed shelters which are built to an
A launch
B withstand
C contest
D contend
A launch
B withstand
C contest
D contend
A.Pregnancy
B.Hijacking
C.Emergency
D.Air rage
A.A.obtainable
B.B.absorbable
A.Plates
B.Trolleys
C.Compartments
D.Toilets
A.Tornado
B.Thunderstorm
C.Storm
D.Turbulence
A.Check-in
B.Passport control
C.Immigration
D.Security control
What is said about the over 100 aircraft incidents in the past 15 years?
A.They may have been caused by the damage to the radio systems.
B.They may have taken place during take - off and landing.
C.They were proved to have been caused by the passengers' portable computers.
D.They were suspected to have resulted from electromagnetic interference.