[单项选择]飞行员能力储备的意思是指(). A. 仅用50%的工作能力便能够完、成正常操作,将其余50%的能力储备起来,用以应付意外事件和应急情况 B. 仅用50%的工作既力便能够完成正常操作,而其余50%的能力储备起来不用 C. 仅用50%的工作能力来完成正常操作,将其余50%的精力用来与机组成员或ATC聊天
第30题: [单项选择]How did the man go to America [A] By plane. [B] By boat. [C] By train. 参考答案:A 答案解析:[听力原文] W: Have you ever been to America M: Yes, I went there by air last year.