A、 That portion of the system used to record crew member communication.
B、 That portion of the system used to record crew member command.
C、 That portion of the system used to record crew member conversation.
答案：C
A、 That portion of the system used to record crew member communication.
B、 That portion of the system used to record crew member command.
C、 That portion of the system used to record crew member conversation.
答案：C
A. This is the maximum portion of flammable vapors in air if the portion is bigger, when an ignition source touched the gas, it would cause the fire to be diffused.
B. This is the minimum volume of flammable vapors. If the volume is lower, when the gas contacted with an ignition source. the fire would not come out.
C. This is the minimum density of flammable vapors in air. if the density was lower, when an ignition source touched the gas, it would not cause the spread of flame.
A. The instruments that are light in weight and small in volume are used in the space shuttle.
B. The instruments where are light in weight and small in volume are used in the space shuttle.
C. The instruments which are light in weight and small in volume are used in the space airplane.
A. 压力波动和振动会导致软管磨损
B. 压力积聚和骤降会导致软管磨损
C. 压力波动和共鸣会引起软管磨损
A. 如果在开始本程序之前已经调整了控制方式,则不要进行活门测试。
B. 如果在开始这个步骤之前已经调整了控制方式,则不要进行活门测试。
C. 如果在开始这个步骤之前已经调整了控制方式,则继续进行活门测试。
A. The emergency procedures check list should be in precise form. The list not only tells pilots which items to check without also provides everything about operation details of systems.
B. The emergency procedures check list should be in complicated from. The list tells pilots which systems to bee investigated. It also provides operation details of some systems.
C. The emergency Procedures check list should be in brief from. The list tells pilots which items to be examined. It provides nothing about operation details of any system
A. Use white paper with good strength characteristics and of sufficient weight and substance to eliminate excessive show through when printed on both sides.
B. Use white paper with good strength characteristics and enough weight and substance to eliminate excessive show through when printed on both sides.
C. Use white paper with good hardness characteristics and sufficient weight and quality to eliminate perspective display during double-sided printing.
A. Engine fairing, including access cover, fairing and stiffeners.
B. The exterior covering of the nacelle. Including access covers, cowling and doublers.
C. External covering of engine nacelle, including service cover, fairing and fixtures.
A. A word in lowercase letters is unapproved in STE.
B. A word in bold letters is unapproved in STE.
C. A word in uppercase letters is not approved in STE.
A. 用螺丝刀松动夹子。
B. 用扳手松动夹子。
C. 用螺丝刀拧紧夹子。
A. 确保表显数值与油箱加油量一致。
B. 确保设备测量值与燃油箱的实际油量一致。
C. 确保仪表上的指示与油箱内的油量一致。
