In the description of the airplane＇s Fuel System, unusable fuel shall be discussed.

A. The manufacturer＇s marks, publication title, airplane model, and issue or revision date must shown on all pages.

B. The manufacturer＇s headline, publication title, airplane model, and issue or revision date must print on all pages.

C. The manufacturer＇s masthead, publication title, airplane model, and issue or revision date must appear on all pages.

A. 做脆弱测试。

B. 做疲劳试验。

C. 做渗漏测试。

A. When wheel is dried, clean with the compressed air.

B. When wheel is cleaned, dry with the compressed air.

C. When wheel is cleaned, dry with the impressed air.

A. Clean the surface with a soap and clean a water solution.

B. Use a soap-and-water solution to clean the surface.

C. Use a soap to clean the surface and a water solution.

A. Do not extend or retract landing gear above this speed.

B. Do not expand or retract landing gear at this speed.

C. Do not put down or retract landing gear by more than this speed.

A. Manuals for all single engine aircraft, except those that have been shown to be "critically unable to stall", should have procedures for recovering from a stall.

B. Handbooks for all single engine airplanes, other than for those airplanes which have been shown to be "characteristically incapable of spinning" shall contain procedures for recovery from spins.

C. Manuals for single engine aircraft, otherwise these that have been proved to be "featured unable to spin", should include steps for recovering from a spiral.

A. Airline performance data shall be presented in either graphical or tabular formats.

B. Airplane performance data shall be presented in either graphical or tabular formats.

C. Airplane restriction data shall be presented in either graphical or tabular shapes.

A. 如果接头有燃油泄漏，则进行修理。

B. 如果变压器有燃油泄漏，则进行修理。

C. 如果传感器有燃油泄漏，则进行修理。

A. It is not permit to work with any uncontrolled technical document for maintenance work.

B. It is not permitted to work with any uncontrolled technical document for maintenance work.

C. It is not allowed to work with any unreliable technical document for maintenance work.

A. Supply airspeed instructions and the operational significance of such instructions.

B. Provide airspeed limitations and the operational instruction of such limitations.

C. Provide airspeed limitations and the operational significance of such limitations.