A、 In the STE example,this safety description is given as a caution,but if you know about oxygen systems,you also know that oxygen can occur explosions.
B、 In the non-STE example,this safety instruction is given as a caution,but if you know about oxygen systems,you also know that oxygen can cause explosions.
C、 In the non-STE example,caution is given in this safety description.But if you know about nitrogen systems,you also know that nitrogen can cause flames.
答案：B
A、 In the STE example,this safety description is given as a caution,but if you know about oxygen systems,you also know that oxygen can occur explosions.
B、 In the non-STE example,this safety instruction is given as a caution,but if you know about oxygen systems,you also know that oxygen can cause explosions.
C、 In the non-STE example,caution is given in this safety description.But if you know about nitrogen systems,you also know that nitrogen can cause flames.
答案：B
A. Clean all lint,dust and debris from the ventilation holes located on the aft side of the captain'sprimary flight,navigation,and center lower engine display units.
B. Clean the vent holes behind the captain's primary flight,navigation and lower middle engine display units which are blocked by lint,dust and debris.
C. The captain's primary flight,navigation,and center lower engine display units must be cleaned since the ventilation holes behind them are clogged by lint,dust and debris.
D. C.The captain's primary flight,navigation,and center lower engine display units must be cleaned since the ventilation holes behind them are clogged by lint,dust and debris.
A. 程序应在每章内按编号顺序进行准备,并有适当的主次科目标题,无需从新的页面开始。
B. 程序应在每章内按照主次标题和参考号的形式进行编写,不需要从新的页面的开头开始。
C. 程序应在每章内按参考编号顺序编制,并有适当的主、副标题,而无需从新页的顶部开始。
D. C.程序应在每章内按参考编号顺序编制,并有适当的主、副标题,而无需从新页的顶部开始。
A. It is understood that compliance with the above can in some instances cause duplication of test procedures,which is acceptable.
B. It will lead to repeat the test process when you obey the regulations in some cases,it is barely to be accepted.
C. It is understood that follow the above regulations may cause repeating in the test procedures ,although it is allowable.
A. 回顾现有的分析结果,确定了安全性能表现较低的部件和区域。
B. 只有对现有的分析结果进行复审,才能发现安全性较低的部件和区域。
C. 对现状分析进行审查,以找出可能安全边际较低的部件和区域。
A. Airspeed values shall be expressed in knots.
B. Airspeed values shall be expressed in nautical miles.
C. Airspeed values shall be expressed in lbs.
A. 在室温固化密封胶。
B. 恒温固化密封胶。
C. 常温下确保密封胶固化。
A. For more information,refer as official reference books.
B. For more information,refer to official reference books.
C. More information referred to official reference books.
A. Navigation and full/static pressure systems refer to those units and components that provide aircraft navigation information,covering OOMB,pitot,static,ILS,flight guides,binnacles,indicators,etc.
B. Navigation and pitot/static systems refer to those units and components which provide aircraft navigational information,including VOR,pitot,static,ILS,flight director,compasses,indicators,etc.
C. Navigation and pitot/static systems refer to those units and components that provide aircraft navigation information,including VOR,pitot,still tubes,instrumental system,flight manual,compasses,indicator,etc.
A. Each door has flexible seals at its structure interface which protect the metal interfaces from damage by the airflow.
B. Each door has flexible seals at its structure interface which protect the metal interfaces from no damage by the airflow.
C. Each door has formalist seals at its structure interface which protect the metal interfaces from damage by the airflow.
A. Ground Control depicts minimum diameter of turning for taxiing and ground operation.
B. Ground Control describes minimum radius of turn for taxiing and ground handling.
C. The least radius of turn for taxiing and ground maneuver is described in Ground Control.
