A、 Slowly and fully extend the RAT and make sure that it does not touch other parts.
B、 Quickly and fully retract the RAT and make sure that it does not touch other parts.
C、 Slowly and carefully extend the RAT and make sure that it does not attach to other parts.
答案：A
A、 Slowly and fully extend the RAT and make sure that it does not touch other parts.
B、 Quickly and fully retract the RAT and make sure that it does not touch other parts.
C、 Slowly and carefully extend the RAT and make sure that it does not attach to other parts.
答案：A
A. 不要使钢索散开。
B. 不要使电缆扭结。
C. 不要使导线绞缠。
A. 系统设计确保两个交流电源不能依次供应动力给同样的转接汇流条。
B. 系统设计确保两个交流电源不能先后供应动力给同样的转接汇流条。
C. 系统设计确保两个交流电源不能同时供应动力给同样的转换汇流条。
A. When it is unlikely that the temperature decreases to -20 ℃, remove the batteries.
B. If it is possible that the temperature will decrease to -20 ℃, remove the batteries.
C. If it is possible that the temperature will decrease to -20 ℃, cut the cells.
A. 如果没有按时处理这种故障指示，会因此严重事故。
B. 若不及时解决这种事故症候，势必引起严重事故。
C. 这类事故处理指南， 如果当时未遵守执行， 会引起严重后果。
A. It is necessary to replace the fitter.
B. It is mandatory to replace the filter.
C. It is prohibited to replace the filler.
A. 在此种情况下，文件的标题页和目录页必须遵循每一部分给出实际出版日期。
B. 在此种情况下，文件每一部分之前的标题页和目录页必须标明实际出版日期。
C. 在此种情况下，标题和目录页要放在文档每个部分之前，并必须给出实际出版日期。
A. Verify that the bleed air of the ground car can not lead to a wrong information.
B. Make sure that the exhaust from the ground cart does not cause an incorrect indication.
C. Make sure that the wrong indication is caused by the exhaust from the ground cart.
A. Restrictions on use of cabin pressurization during Takeoff, landing, or in flight shall be noted
B. That portion of the system is used to de-ice all airfoil surfaces once ice is formed.
C. All airfoil surfaces are equipped with that portion of the system to stop ice formation.
A. 检查油管，对于磨损的区域。
B. 磨削管道并检查。
C. 检查管道是否磨损。
A. 起落架收上时，不要超过此速度。
B. 起落架伸出时，不要超过此速度。
C. 起落架伸出时，不要低于此速度。
