A、 If design appraisals by a DER is beyond his normal apprvoal, each appraisal can only be authorized by the known ACO according to current condition.
B、 Design approvals by a DER that are outside his normal authorization may only be authorized by the cognizant ACO on a case by case basis.
C、 The familiar ACO can approve each designation approval one one one according to condition if designation approval by a DER is outside his normal range.
答案：B
A、 If design appraisals by a DER is beyond his normal apprvoal, each appraisal can only be authorized by the known ACO according to current condition.
B、 Design approvals by a DER that are outside his normal authorization may only be authorized by the cognizant ACO on a case by case basis.
C、 The familiar ACO can approve each designation approval one one one according to condition if designation approval by a DER is outside his normal range.
答案：B
A. Airspeed values shall be expressed in knots.
B. Airspeed values shall be expressed in nautical miles.
C. Airspeed values shall be expressed in lbs.
A. 为飞机延长停场周期做准备。
B. 为飞机长时间停用做准备。
C. 准备好飞机做保留故障处理。
A. If an annunciator panel TRANSIT light fails to illuminate while the corresponding device is in motion, then this light must be considered inoperative.
B. When related device is in operation and if annunciator panel TRANSIT light comes on, so this light does not work.
C. The light is considered to be available if the annunciator panel TRANSIT light goes off when the related device is in motion.
A. The toxic conditions are given in Paragraph 2.0.
B. All the test result are given in Paragraph 2.0.
C. All the test conditions are given in Paragraph 2.0.
A. Adjust the frequency to the value giving in table 1.
B. Adjust the frequency per the value given in table 1.
C. Adjust the frequency to the value given in table 1.
A. The correction installation of the upper drag strut can prevent the retraction of the lower drag strut.
B. If the upper drag strut is installed improperly, the lower one will be hit during retraction.
C. The removal of the upper drag strut has to be done properly so that the lower one can fully extend.
A. Replace the defective booster pump.
B. Remain the present booster pump.
C. Recharge the failed booster pump.
A. 如果飞机在地面，系统的出口保护控制面不受风的吹动。
B. 尽管飞机在地面，保护系统的这部分控制风的移动面。
C. 当飞机在地面上时，系统的这部分防止操纵面受风的影响而运动。
A. For more information, refer as official reference books.
B. For more information, refer to official reference books.
C. More information referred to official reference books.
A. The operation rods are connected to the hydraulic feedback.
B. The operation barrels are connected to the hydraulic return.
C. The actuators are connected to the hydraulic return.
