What happened to the plane the author took that Friday morning?
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How did the passengers’ reaction change with the development of the situation?
翻译句子他在会上提出了一系列可能避免环境污染的措施。(ward off)
翻译句子被警察询问时,杰夫极力保持冷静,沉着地回答每个问题。(composure)
翻译句子迈克向他父亲保证他一定会全身心投入到即将到来的比赛上。(assure)