A、 Make sure you press the switch when you hear the boarding music.
B、 Make sure you press the switch after you hear the boarding music.
C、 Make sure that you hear the boarding music after you push the button.
答案：C
A、 Make sure you press the switch when you hear the boarding music.
B、 Make sure you press the switch after you hear the boarding music.
C、 Make sure that you hear the boarding music after you push the button.
答案：C
A. 对于活塞式发动机，向发动机输送计量燃油和空气的装置和部件。燃油部分包括化油器、从进气侧到排气喷口的主控、喷油泵、化油器、喷油嘴和启动喷油装置。
B. 对于往复式发动机，向发动机输送燃料和燃气的装置和部件。燃料部分包括从出气侧到排气喷嘴、喷油泵、化油器、喷油嘴和燃油底火的化油器控制。
C. 对于往复式发动机，向发动机输送燃料和空气的装置和部件。燃料部分不包括从进气侧到排气喷嘴、喷油泵、化油器、喷油嘴和燃油底火的化油器控制。
A. 将O形环安装在锥形轴承的内部凹槽中。
B. 将O形环安装在圆柱形轴承的中部凹槽中。
C. 将O形环安装在球形轴承的内部凹槽中。
A. During the retraction test, keep a close watch on the monitor.
B. Continuously observe the indications after the retraction test.
C. Monitor the indications during the retraction test.
A. The MMEL should specify suitable limitations in the form of placards, maintenance procedures, crew operating procedures, and other restrictions as necessary to ensure an acceptable level of safety.
B. The MMEL should be in the form of annunciator, maintenance procedures, crew operating procedures to illustrate applicable limitations and other rules necessary to verify an acceptable level of safety.
C. The MEL should cover suitable limitations which are shown in palcards, maintenance procedures, crew operating procedures, and other rules to verify an acceptable level of safety.
A. 温度降低，钢索的拉力会减小。
B. 钢索上的张力会随着温度升高而增加。
C. 温度升高，钢索张力会减小。
A. 人工超控起动顺序。
B. 按手册重写起动顺序。
C. 手动覆盖起动序列。
A. Retesting and reviewing test results are optional due to discrepancies in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
B. It is very important to do the test again and confirm test results because of differences in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
C. It is mandatory to retest and evaluate test results to make sure the differences in the fuel/water sample and the ability of the detection kits to witness the level of microbial growth.
A. 氧气系统包括氧气瓶、释压阀、关断阀、出气口、调节器、面罩等。
B. 供氧系统包括氧气瓶、释放阀、截止阀、排气口、监管者、面罩等。
C. 供氧系统包括氧气瓶、开关阀、切断阀、紧急出口、调节器、面罩等。
A. 校正空速是指经过位置调整以及仪表调整后的指示空速。
B. 校准空速指修正了仪表误差和位置误差之后得到的指示空速。
C. 校准空速是指调节位置误差以及仪表误差后的指示空速。
A. The operational test of HFS-900D transceivers is an internal functions check of the HF transceiver and it is a BITE test.
B. The BITE test for the HFS-900D transceivers is the operation test that does the inner check of the HF transceiver.
C. The check of the internal functions of the HF transceiver is a BITE test related to HFS-900D transceivers.
