1827.Functional test should contain all necessary information to perform proficiency tests to maintain system or unit reliability at an acceptable level,without reference to additional documents.

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2154.The precision of the adjustment can change.

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1649.Environmental Systems section shall contain information necessary for safe operation of Oxygen Systems,including capacity and duration.

A、 “环境系统”一节应包括安全操作氧气系统时的必要信息,如系统能力和耐久性。

B、 “环境系统”一节应包括安全操作氧气系统时的必要信息,如容量和持续时间。

C、 “环境系统”一节应包括安全操作氧气系统时的必要信息,如使用期间的系统能力。

答案：B

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3257.清洁位于机长主飞行、导航和中下发动机显示组件后侧的通风孔处的所有棉绒、灰尘和碎屑。

A. Clean all lint,dust and debris from the ventilation holes located on the aft side of the captain'sprimary flight,navigation,and center lower engine display units.

B. Clean the vent holes behind the captain's primary flight,navigation and lower middle engine display units which are blocked by lint,dust and debris.

C. The captain's primary flight,navigation,and center lower engine display units must be cleaned since the ventilation holes behind them are clogged by lint,dust and debris.

D. C.The captain's primary flight,navigation,and center lower engine display units must be cleaned since the ventilation holes behind them are clogged by lint,dust and debris.

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559.The reservoir pressure relief valve opens between 85 and 90 psi to protect the reservoir against over-pressurization.

A. 油箱释压活门在 85-90psi 之间打开以保护油箱不会超压。

B. 为保护管路不会超压,释压活门在 85-90psi 之间打开。

C. 选择活门在 85-90psi 之间打开以保护油箱正常工作。

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2920.系统/章节、子系统/段落和主题编号、页码和发行日期将显示在左边页面的左下角,而修订日期在右下角。

A. The System/Chapter,sub-System/Section and Subject Number,the page number and date of issue will disappear in the lower left-hand corner, on the left-hand pages and the review date in the lower right-hand corner.

B. The System/Chapter,sub-System/Section andSubject Number,the pagenumberand dateofissuewillappearinthe lowerleft-handcorner,ontheleft-hand pagesandthe reviewdate inthelowerright-handcorner.

C. The System/Chapter,sub-System/Section andSubject Number,the pagenumberand dateofpublicwillappearinthe lowerleft-handcorner,ontheleft-hand pagesandtherevision dateinthelowerright-handcorner.

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1972.In the description of the airplane's Flight Controls,trimming arrangements shall be explained.

A. 描述飞机飞行控制系统时,应说明平衡设置。

B. 描述飞机飞行控制系统时,应对相应的配平装置进行描述。

C. 描述飞机飞行控制系统时,应解释配平安排。

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283.If necessary,add more gaskets.

A. 如果有必要,增加更多垫片。

B. 增加更多气源是有必要的。

C. 如有必要,添加更多汽油。

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2486.格式可以完全或部分使用此格式。

A. This format may be used in integraor in part.

B. This format may be used in its entirety or in part.

C. This format may be used in its tacticallity or in part.

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684.再次进行过滤器组件的泄漏检查。

A. Test the leakage of the file assembly once more.

B. Do a leak inspection of the exchanger assembly again.

C. Do a leakage check of the filter assembly again.

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2976.该规范的目的是为了将通用航空飞机所有者和运营人以及维修人员的成本降到最低。

A. The specification is designed to cut off the cost to general aviation airplane owners and operators and maintenance personnel.

B. The target of the specification is to reduce the cost of general aviation airplane owners and operators and maintenance personnel.

C. The objective of the specification is to minimize the cost to general aviation airplane owners and operators and maintenance personnel.

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1827.Functional test should contain all necessary information to perform proficiency tests to maintain system or unit reliability at an acceptable level,without reference to additional documents.

A. 功能测试应该包含进行性能测试所必要的所有信息,以保持系统或组件的可靠性在可接受的水平,而不用参考其他文件。

B. 功能测试包括所有必须的信息,无需参照附加文件,就可以执行为了保证系统及部件的可靠性而做的能力测试。

C. 不用参照其它材料,功能测试为了确保系统或组件的可靠性是可接受的而提供了所有必须的信息。

D. C.不用参照其它材料,功能测试为了确保系统或组件的可靠性是可接受的而提供了所有必须的信息。

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2154.The precision of the adjustment can change.

A. 调节的精度可以改变。

B. 调整后的精度可能会改变。

C. 调节的程序可以改变。

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