A、 Among the offices under the Associate Administrator is the Aircraft Certification Service, which has the responsibility for overseeing the Aircraft Certification Directorate, and the is Washington Headquarters operations related design, production, and airworthiness certification.
B、 Aircraft Certification Directorate which is one of the offices under the Associate Administrator is responsible for overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design production, and airworthiness certification.
C、 Overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design, production, and approval is the duty of Aircraft Certification Service that is among the offices under the Associate Administrator.
答案：B
A、 Among the offices under the Associate Administrator is the Aircraft Certification Service, which has the responsibility for overseeing the Aircraft Certification Directorate, and the is Washington Headquarters operations related design, production, and airworthiness certification.
B、 Aircraft Certification Directorate which is one of the offices under the Associate Administrator is responsible for overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design production, and airworthiness certification.
C、 Overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design, production, and approval is the duty of Aircraft Certification Service that is among the offices under the Associate Administrator.
答案：B
A. Water above the kitchen floor can seep in through small holes in the floor surface, invisible to the naked eye.
B. Eyes cannot see the vapor which may penetrate through small holes of the floor surface in the galley.
C. Moisture above the galley floor can go through small holes in the floor surface area and stay out of view
A. Make sure the ground proximity warning system is can operate
B. Make sure the ground approaching alerting system is can operate
C. Make sure the ground proximately warning system is can operate
A. Use the clean solvent again to leave the oils on the surface.
B. If necessary, clean the oils by applying clean solution.
C. Remove the oils, if necessary, by applying clean solvent again.
A. This program is partially important to type B parts.
B. This procedure is of particular importance to type B parts.
C. This procedure is not especially important to type B parts
A. AWARED
B. FAMILIAY
C. KNOW
A. The center of gravity moves in relation to forces applied on the wings.
B. The center of gravity moves evenly to the loads of the wings.
C. The center of gravity moves along with the weight of the wings.
A. 检查机身蒙皮盖板的底部有无裂纹。
B. 检查底部蒙皮盖板和机身有无裂纹。
C. 检查机身底部蒙皮盖板有无裂纹。
A. The pilot should keep up in flight, whatever happening.
B. The pilot should keep on in flight, whatever happen.
C. The pilot should keep calm in flight, whatever happens.
A. Remove paint from the entire length of the tube with a grade 400 emery cloth in a circumferential direction of the damaged area.
B. Circulate the damaged area of the pipe with a 400-grade emery cloth long enough to remove the paint.
C. Remove the paint with grade 400 emery cloth from the full circumference of the tube along a sufficient length around the damage area.
A. This document provides optional information to the befitting airplane maintenance manual(s).
B. This document provides supplemental information to the applicable airplane maintenance manual(s).
C. This document provides extra information to the accessible airplane maintenance manual(s).
