阿摩線上測驗
173. What is mentioned as a requirement for Session B?
(A) Participants must bring their own computer.
(B) Participants must have a pilot's license.
(C) Participants must buy a specific sensor.
(D) Participants must arrive 30 minutes early.
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統計： A(305), B(7), C(26), D(1), E(0) #3805361
統計： A(305), B(7), C(26), D(1), E(0) #3805361
