什么时候需要执行单发飘降程序？When do you need to perform the single engine drift down procedure?

机组氧气面罩存储箱上的黄色闪光灯表明：
yellow flow blinker on the crew mask storage container indicates that:

机身上一个缺失的绿色爆裂膜片意味着：
A missing green blowout disk on the fuselage may indicate

选择四项驾驶舱内的应急/保护设备
Select four items that are emergency/protective equipment found on the flight deck.

PSU（旅客勤务组件）面罩储存器的门锁可以通过选择下列哪项来人工解锁：
The door latch for the PSU mask containers can be manually released by selecting the:

氧气系统压力指示是显示在：oxygen system pressure indications are displayed on the:

判断正误True or False：机组氧气面罩上的PRESS TO TEST AND RESET（按下以测试和重置）可用于停止输送给机组的氧气流。The PRESS TO TEST AND RESET lever on the crew mask can be used to stop oxygen flow to the crew.

判断正误True or False：
飞机氧气系统由两个不同种类的氧气系统组成。The aircraft oxygen systems consist of two independent types of oxygen systems.

下列哪项表明增压氧气被排出了机舱：which of the following indicates that pressurized oxygen has been dumped overboard:

氧气应急系统的哪个部件可以用于急救？
Which component of the oxygen emergency system can be used for first aid?

FDR记录最近（ ）小时内飞机关键和飞行参数数据。FDR records the last（ ）hours of critical aircraft and flight parameter data.