A、 Maintenance should be accomplished preventively in accordance with the airplane service or maintenance manual.
B、 Appropriate airplane service or maintenance manual shall be developed for the accomplishment of preventive maintenance.
C、 Preventive maintenance should be accomplished in accordance with the appropriate airplane service or maintenance manual.
答案：C
A、 Maintenance should be accomplished preventively in accordance with the airplane service or maintenance manual.
B、 Appropriate airplane service or maintenance manual shall be developed for the accomplishment of preventive maintenance.
C、 Preventive maintenance should be accomplished in accordance with the appropriate airplane service or maintenance manual.
答案：C
A. The selection of data by manual producers which are included in this section shall be restrained by the concepts contained in the preface of this specification.
B. The selection of data by manual producers included in this section shall be governed by the concepts contained in the preamble to this specification.
C. In this selection,the producer's choice of data should be bound by concepts contained in the preamble of this specification.
A. 当你选用一个词时,一定要确保你选择的变换时态不会改变句子的意思。
B. 当你替换一个词时,一定要确保你选择的非传统词汇不会改变句子的平均句长。
C. 当你替换一个词时,一定要确保你选择的替代词不会改变句子的意思。
A. 发动机压缩机控制系统包括调速器、活门、作动器、杠杆等装置,可控制发动机里的空气流量和加速可变定子叶片的运行。
B. 发动机压气机控制系统可增加通过发动机的空气流量,部件包括调节器、活门、作动器、连杆等。
C. 发动机压气机控制系统能控制通过发动机的空气流量和可调静子叶片的操作。该系统包括调节器、活门、作动筒、连杆等部件。
D. C.发动机压气机控制系统能控制通过发动机的空气流量和可调静子叶片的操作。该系统包括调节器、活门、作动筒、连杆等部件。
A. “飞机性能”中的每一项均应对与数据相关的重要条件进行说明。
B. 每一项飞机性能都包含对重要条件和数据的说明。
C. “飞机性能”中的每一条目均应对数据及其重要条件之间的关联性进行说明。
A. 用保险丝连接卡箍与控制杆拨叉确保安全。
B. 用保险丝穿过控制杆拨叉将夹块固定。
C. 用保险丝将夹块和控制杆固定在一起。
A. The fire-proof materials and seals are mounted on or about the power unit.
B. The fire-resistant partitions and seals are mounted on the power unit.
C. The fire-resistant partitions and seals are mounted on or about the power package.
A. Roger that,clear for dispatch.
B. Copy that,clear for pressing.
C. Roger,clear for pushback.
A. For all fuel loadings,the initial airplane weight should be the maximum allowable.
B. The initial airplane weight should contain the maximum allowable for all fuel loads.
C. For all kinds of fuels,the initial aircraft weight should be the maximum allowable.
A. Do not alleviate pressure to the aft flange.
B. Do not apply pressure to the aft flange.
C. Do not apply pressure to the aft screw bolt.
A. Corrosion inhibitor is necessary from time to time to ensure continued protection.
B. Corrosion inhibitor is necessary frequently so that protection remains in effective.
C. Corrosion protection is necessary but is ineffective for cost reasons.
