单项选择题

燃烧室由（）三个部件组成。Ⅰ.汽缸体；Ⅱ.汽缸盖；Ⅲ.冷却水套；Ⅳ.活塞。 A. Ⅰ，Ⅱ，Ⅳ B. Ⅰ～Ⅲ C. Ⅱ～Ⅳ D. Ⅰ，Ⅲ，Ⅳ

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“ [填空(1)] ” is a set of specified procedure designed for all passengers and crew members to evacuate the aircraft as soon as possible after the aircraft lands on land/water or just stop the emergency landing.

答案： Emergency evacuation

单项选择题