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  3. [audioFiles]audio_eusm_0131(20106)[/audioFiles]A、The pilot’s concentration.B、T

[audioFiles]audio_eusm_0131(20106)[/audioFiles]A、The pilot’s concentration.B、T

游客2023-09-12  21
问题  
选项 A、The pilot’s concentration.
B、The efficiency of the local mobile phone network.
C、How long it takes passengers to get seated.
D、The navigational equipment of the plane.
答案 D
解析
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