659、 收回主起落架

A. 　每一页都必须载明原始事件日期,直到修订,修订时,也必须载明最新修订的事件期。

B. 　每一页都必须标明原始版本的出版日期,直到修订为止。当有修订时,也必须标明最新修订版的出版日期。

C. 　每一页都必须标明原刊出版到修订的日期,修订时,也必须标明最新修订版的出版日期。

A. 　 Decide which hydraulic system you will pressurize

B. 　 The pressurized hydraulic system is the best

C. 　 Check the hydraulic system that you will pressurize.

A. 　 lf you find break wires, repair them.

B. 　 If you find broken wires, repair them.

C. 　 If you find break wire, repair them

A. 　 You must give the obvious signal in a certain way in order to be seen by the pilot.

B. 　 You must stand on a specific road, that is a clear signal for the pilot.

C. 　 You must give the pilot the clear sign al that is not misunderstood by the pilot.

A. 　 A small child should sit in an unlimited seat.

B. 　 A small child needs to sit in a seat with safety device.

C. 　 A small child could sit in an adult seat.

A. 　做好排查工作,找到腐蚀原因。

B. 　采用这种检修方法可以发现变形的原因。

C. 　执行排故程序,以找出故障原因

A. 　A 封面应包含由制造商编写的其他信息

B. 　制造商应决定哪些剩余信息应包含在封面上。

C. 　封面应包含的信息由制造商自行决定。

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 subsequence of topics in the Handbook is intensive to improve in-flight usefulness.

B. 　 The order of topics in the Handbook is designed to increase in flight usefulness.

C. 　 The series of topics in the Handbook is protected to increase its usefulness in flight.

A. 　检查单可能也包括关于飞机操作的补充信息

B. 　检查单可能也提供与飞机操作相关的信息

C. 　检查单也确认了一些关于飞机操作的辅助信息