大家好，这节课我们一起来学习 Flight Safety（搭机安全须知）。
让我们一起从零开始，从最基本的讲话，到认识单词和句子，到了解英语的语法，一起来学习，一起来成长，一点一滴的把英语学好。
请大家认真听录音，并看以下内容：
Flight Safety
Most airplane crashes occur unexpectedly during take-offs and landings. Although airplanes seldom break up on impact, they generally catch fire immediately. Most fatalities are due to smoke inhalation.
Since crashes usually occur with little or no warning, it is best to prepare in advance for the unthinkable. After boarding an airplane, study as much safety information as possible. Locate the four emergency exits that are nearest your seat and know how they operate. Instructions are printed on the safety information card which is located in each seat-pocket. The card also provides valuable information about such things as floatation collars and life rafts. Practice fastening and unfastening your seat belt until it becomes an automatic action. Seat belt operation varies from aircraft to aircraft. Also, pay close attention to all safety briefings given by the flight attendants.
译文：大部分的空难都是在飞机起降时刻突发的。虽然飞机在撞击时很少会瓦解，不过通常它们会立刻着火。大部分的死者都是吸入浓烟所导致。
由于空难发生时通常几乎没有任何预警，因此最好事先防范以免不测。登机后，应尽量多研读所有的安全信息。找出离你座位最近的四个安全门，也要知道这些门如何操作。每个座位后口袋均有一张飞行安全须知卡、上面印有一些说明。安全须知卡也提供有关救生衣及救生筏等重要信息。练习扣上及解开座位安全带的动作直到运用自如为止。座位安全带操作随机而异。另外，要特别注意乘务员所做的所有飞行安全说明。
语法重点

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