When NAVigation and the Vertical Speed mode are active, what happens if the pilot presses the HDG-V/S/TRK-FPA pushbutton?

A. ILS 2 receiver.

B. ILS 1 receiver.

C. ILS 1 and ILS 2 receivers.

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. None.

B. SYSTEM REPORT/TEST for main systems.

C. LAST LEG REPORT and LAST LEG ECAM REPORT.

A. MAN START pushbutton ON light goes off.

B. The ECU provides to ECAM a message telling to close the start valve.

C. Start valve is automatically closed.

A. In open circuit configuration

B. In intermediate circuit configuration, or in closed circuit configuration with airflow higher than the requested value

C. When the ambient Avionics bay temperature is above 34＇C(93.2＇F)

A. An AUTO BRK pushbutton pressed in, green pressure and anti-skid powered and no failure in normal braking system.

B. An AUTO BRK pushbutton pressed in, yellow pressure and anti-skid powered and no failure in normal braking system.

C. An AUTO BRK pushbutton pressed in, green pressure and anti-skid deactivated and no failure in normal braking system.

A. In the green GO band.

B. In the red band.

C. At zero.

A. The LH and RH Wing ducts, packs and mid fuselage APU duct.

B. The pylon.

C. A and B.

A. Manually opened and secured by a hold open rod.

B. Hydraulically opened and secured by a hold open rod.

C. Electrically opened by a motor and secured by a hold open rod.

A. Recording of the mandatory flight data requested by the airworthiness authority.由适航性授权所要求的强制飞行数据的记录

B. Trouble shooting of avionics computers only.航空电子计算机的故障问题

C. Engine condition, APU condition and aircraft performance monitoring.发动机状况，APU状态和飞机性能监测