A、 You can use all standard English parentheses except the colon.
B、 You can use all standard English contraction marks except the hyphen.
C、 You can use all standard English punctuation marks except the semicolon.
答案：C
A、 You can use all standard English parentheses except the colon.
B、 You can use all standard English contraction marks except the hyphen.
C、 You can use all standard English punctuation marks except the semicolon.
答案：C
A. Fuel comes from the fuel check valves or the APU dc fuel pump.
B. Fuel comes from the boost pumps or the APU fuel tank.
C. Fuel comes from the boost pumps or the APU dc fuel pump.
A. Aircraft alternation defines as the modification of structure or components of the aircraft.
B. Aircraft hangar maintenance contributes to the aircraft alternation.
C. Aircraft alternation includes major or minor alternation, which is the modification of an aircraft’s structure or component without changing to the flight characteristics.
A. 完成步骤1到4,以确保没有轴向负荷施加在杆上。
B. 完成步骤1到4,以确保没有径向负荷施加在杆上。
C. 完成步骤1到4,以确保在杆上没有轮轴方向上的负载。
A. The manufacturer may establish procedures to provide feedback on unairworthy conditions that were discovered when complying.
B. The manufacture may set up procedures to provide feedback when user find some unairworthy conditions discovered by manufacture.
C. The manufacture can establish program to receive feedback of users when they discover unairworthy conditions of requirements.
A. Move the tube to make sure that the inner connection is tight.
B. Move the tube to see if the inner connection is tight.
C. Move the tube to identify the inner connection is tight.
A. Flaperon plays the role of both ailerons and spoiler On some swept wing airplanes.
B. On some swept wing airplanes, Flaperon functions both ailerons and flaps.
C. Flaperon is aircraft controls used on some swept wing airplanes that serve as both elevator and wing flaps.
A. The intention of such terms is to provide definitions which have practical value for technical communication.
B. The propose of such terms is to provide definitions with practical value for technical communication.
C. The aim of such terms is to provide definitions for practicing valuable technical communication.
A. 增压控制的第二种方式是定差模式,它控制客舱压力,无论飞机的高度如何变化,保持客舱内气压与环境气压之间恒定的压差;
B. 增压控制的第二种方式是变差模式,它控制客舱压力,使客舱内气压与环境气压之间保持恒定的压差,无论飞机的高度如何变化;
C. 增压控制的第二种方式是定差模式,它控制客舱压力,飞机随着飞行高度的变化,保持客舱内气压与环境气压之间变化的压差;
A. 需每隔一年就清理一下过滤器。
B. 有必要持续清理过滤器。
C. 有必要定期清理过滤器。
A. When total revisions including left pages, above 60% of the total pages in the manual, a reassure of the manual should not be prepared.
B. When accumulated revisions including back-up pages, less than 60% of the total pages in the manual, a reissue of the manual should not be prepared.
C. When accumulated revisions including left pages, less than 60% of the total pages in the manual a revise of the manual should not be prepared.
