72. What is the reason for the delay?
(A) A mechanical failure.
(B) A security alert.
(C) Bad weather conditions.
(D) A strike by the crew.

Questions 71 through 73 refer to the following announcement. 
May I have your attention, please. This is an announcement for passengers on flight 802 to Tokyo. We regret to inform you that departure will be delayed by approximately two hours. This is not due to mechanical issues, but rather severe snowstorms currently affecting the Tokyo area, which have temporarily closed the runways. Consequently, we have been assigned a new departure gate. Please proceed to gate 15 immediately. To apologize for the inconvenience, we are offering complimentary meal vouchers, which can be collected at the customer service desk near the entrance of the terminal.

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第 71 至 73 題參考以下公告。

請各位乘客注意。這是一則針對 802 航班（飛往東京）乘客的公告。我們很遺憾地通知您，航班將延誤約兩小時。延誤並非由於機械故障，而是由於目前影響東京地區的嚴重暴雪導致跑道暫時關閉。因此，我們被安排了新的登機口。請立即前往 15 號登機口。為彌補由此造成的不便，我們將提供免費餐券，您可前往航站樓入口附近的客戶服務台領取。