Having lost all their _____ in a big fire, the Blacks had to depend on their friends and relatives for a living.

A．galleries

B．reputations

C．signatures

D．possessions

在地面，双发关车，ECAM上通常会显示哪个系统的页面？

A、发动机页面。

B、舱门/氧气页面

C、电气页面。

D、以上都不对