181. Use an applicable word ( ) to identify the level of risk A warning tells the reader that there is a risk of injury or death A caution tells the reader that there is a risk of damage to objects

A. The airplane has been maintained according to ABC recommendations or equal standards;

B. The airplane has been maintained as recommended by ABC and its equivalent agency;

C. ABC recommends airplanes＇ owner to maintain airplanes;

A. 对所有维修过的产品进行全面检查。

B. 对所有维修过的产品进行仔细检查。

C. 对所有维修过的产品进行初始检查。

A. Fuel the aircraft

B. Refueling the aircraft

C. Cheer the aircraft

A. Entrance stairs or step are connected with entrance doors and move accordingly.

B. Entrance stairs or step are integrated with entrance doors and operate together.

C. Although entrance stairs or step operate together with entrance doors,they are not integrated.

A. Landing gear is left for ten minutes.

B. Landing gear should be kept extended for ten minutes

C. Extend landing gear after ten minutes retraction.

A. 交流电源系统设计避免同一个电源同时给两个负载供电。

B. 交流电源系统设计防止两个电源同时向同一负载供电。

C. 备用电源系统被设计成避免两个电源同时向同一用户供电。

A. This action must not be done in the hangar.

B. Do not do this procedure in the hangar.

C. On the hanger,Don＇t do this procedure .

A. you need to remove cooling shroud halves and the ignition lead prior to removing an igniter.

B. To remove an igniter, you must disconnect the cooling shroud halves,the ignition lead and igniter adapter.

C. you need to remove an igniter prior to removing cooling shroud halves and the ignition lead.

A. For purposes of this specification, airplane refers to the airframe and related compartments specified in the Type Certificate or made available as options by the airplane manufacturer.

B. For purposes of this specification, airplane refers to the airframe and related components specified in the Type Certificate or made available as options by the airplane manufacturer.

C. For purposes of this specification, airplane refers to the airframe and related components specified in the Type Certificate or made available as priority by the airplane manufacturer.

A. Each system is composed of basic components and all equipment, mechanic controls and system related electric and hydraulic units.

B. Basic components and all apparatus are made up of each system, including mechanical controls and electrical and hydraulic units related system.

C. Each system includes the basic components and all instruments, mechanical controls, electrical and hydraulic units related to the system.