157、Note that alterations or repairs to airplane must be accomplished by licensed personnel.
注意,飞机的改装或修理必须由有执照的人员完成。

A. 　通过最少两个全循环操作副翼,并操作全其最大行程

B. 　至少完整操作副翼两个全循环至其最大行程。

C. 　操作副翼最小两个单位,至其最大行程。

A. 　那些说明可以作为定期维修所必需的参考

B. 　那些指令是执行定期维护所必需的

C. 　这些指示必须进行有计划维修

A. 　 Close valve A when the indications on gauges X and Y correctly.

B. 　 Close valve A when you get the indications on gauges X and Y independently.

C. 　 Close valve A when the indications on gauges X and Y correspond.

A. 　 The section of the engine which contains the sleeve, master and link rod assemblies, cams, cam drive
gears, tappet guides, carriers, etc.

B. 　 The section of the engine which Contains the crankshaft, master and link rod assemblies, cams, cam drive
gears, tappet, guides, rollers, carriers, etc.

C. 　 The section of the engine which contains the crankshaft, master and manifold assemblies, cams, cam drive
information or instruction, such as “Report any cracks found to this manufacturer”, are
gears, tappet, guides, rollers, carriers. etc

A. 　 Define the amount of fuel required for the flight.

B. 　 Calculate the quality of fuel required for the flight.

C. 　 Decide /the quality of fuel necessary for the flight.

A. 　 Maximum altitude loss during stall recovery is approximately 800 feet.

B. 　 Maximum altimeter loss during spin recovery is about 800 feet.

C. 　 Maximum weight loss during stall recovery is nearly 800 feet.

A. 　 The fuselage is a semi-monocoque structure

B. 　 The fuselage is a demi-plate.

C. 　 The airframe is of half-shell structure.

A. 　审查适用于该设计的测试结果

B. 　对适用于该设计的测试结果进行了审查

C. 　重新得出适用于该设计的测试结果

A. 　复合板材使搭接处更坚固。

B. 　A 加强板使搭接接头更坚固。P

C. 　经过再次强化的板材使塔接凸缘承力更强。

A. 　如果能简化、缩短文本或能使文本更容易理解,则应使用插图。

B. 　应该使用插图,因为插图可以简化、缩短文本,并使文本更易理解
c、如果文本复杂、冗长或不易于理解,则应进行解释说明。