In which mode is progressive pressure sent to the brakes 2 seconds after ground spoilers deployment?在哪种模式下，在地面扰流按展开后2秒内就会向刹车供压力。

A. To add oxygen to the expired gas.

B. To trap the carbon dioxyde contained in the expired gas.

C. To allow the expired gas to flow out of the hood.

A. When the circuit operates in open circuit configuration

B. In closed circuit configuration when the skin temperature is below 11＇C(51.8＇F)(skin temp.increasing).

C. In close circuit configuration when the skin temperature is above 11＇C(51.8＇F)(skin temp.increasing).

A. AC ESS Bus is supplied by the EMERG GEN.

B. AC ESS Bus is supplied by AC Bus 1.

C. AC ESS Bus is supplied by AC Bus 2.

A. On the right side fan cowl door.

B. On the left side fan cowl door.

C. On the left side thrust reverser "C" duct door.

A. When the cam and the hooks are in the locked position.

B. When the cam is in the unlocked position and the hooks are in the locked position.

C. When the cam and the hooks are in the unlocked position.

A. Line Select Keys may be used to transfer data onto the scratchpad.

B. Modifiable data must first be entered onto the scratchpad before being transferred, by using the appropriate Line Select Key.

C. Line Select Keys may be used to delete data from the adjacent data field, without using the CLR key.

A. ADV in dual display mode only.

B. Nothing in single display mode.

C. ADV in ECAM MONO display mode only.

A. The funtion that integrates the routes the aircraft must follow and the constraints to construct a flight plan.

B. The function that provides the aircraft position and the follow-up the flight plan.

C. The ratio of cost of time to the cost of fuel.

A. EIU takes its power from the engine generator.

B. EIU fails and engine restart is not possible.

C. The ECU & Ignition powers are no longer available.

A. Rudder trim actuator.

B. Rudder trim and yaw damper actuators.

C. Yaw damper actuators.