71、The function and operation of each unit in the system should be described as well as the location of the
units.

A. 　维修这个组件需要校准过的工具。

B. 　安装这个组件需要专用工具。

C. 　组件的安装需要精确的工具。

A. 　 The Specification provides flexibility in Handbook preparation based on the complexity of the airplane
while maintaining a high degree of standardization of arrangement, definitions, and performance
information.

B. 　 The Specification provides flexibility in Handbook preparation based on the complicacy of the airplane, but
ignoring a high degree of standardization of structure, definitions, and performance information.

C. 　 The Specification provides uniformity in Handbook preparation based on the simplicity of the airplane
while retaining a high degree of standardization arrangement, definitions; and performance information.

A. 　 In the remaining parts of the text, the related approved abbreviations are used.

B. 　 ln the attached parts of the text, the related disapproved abbreviations are used.

C. 　 ln the remaining parts of the text, the related approved abstracts are used.

A. 　 If there is hum from the loudspeaker, don’t adjust the potentiometer

B. 　 Adjust then potentiometer unless hear a hum from the loudspeaker

C. 　 Adjust the potentiometer until the loudspeaker no longer hums.

A. 　 Recommending or requiring life limited components is on the right side of the page in an appropriate
margin.

B. 　 Recommended or required retirement time of life limited parts is on the right side of the page in an
appropriate space,

C. 　 The required retirement time of life limited components is located on the right side of an appropriate
space.

A. 　为防止损坏发动机,立即打开所有安装的防护罩。

B. 　为防止损坏发动机,稍候装上所有开口的防护罩。。

C. 　为防止损坏发动机,立即在所有开口上安装防护罩。

A. 　 You can find electronic devices in nearly all aircraft systems. They are system control and monitoring
computer, the control input and indications in the cockpit/and sensors throughout. The whole aircraft

B. 　 The computer used for system control and monitoring and the control
cockpit and sensors all over the whole Aircraft are the electronic devices used in almost all aircraft system

A. 　 The front panel of the cellphone has a touchscreen and a home button.

B. 　 There is a touchscreen and a home key on the forward panel of a cordless phone.

C. 　 A touchscreen and a main page pushbutton are fixed on the mobile phone forward panel.

A. 　 Make sure that material and dimensions of the new floor panel are the same with the removed one.

B. 　 Make sure that contour and design the new floor panel have no difference with the removed one.

C. 　 Make sure that the new floor panel has the same contour and dimensions as the removed floor panel.

A. 　仔细检查组件来确定是否有进一步的损坏。

B. 　目视检查组件来确定损坏的部位。

C. 　目视检查组件来确定损坏的程度。