






A.He was a 31-year-old student from Frankfur
B.He was piloting a two-seat helicopter he had stole
C.He had talked to air traffic controllers by radi
D.He threatened to land on the European Central Ban

A.that it can hear the owner’s voic
B.that it can remember a passwor
C.that it can identify the owner’s voic
D.that it can remember the owner's PI