【判断题】意向性担保从严格意义上讲,不是真正的担保,不具有法律上的约束力。
【单选题】May we please have your attention for the safety demonstration? If you have any questions after ____________, please contact the flight attendants. Thank you!
【单选题】( )指的是地表起伏形态和地物位置、形状在水平面上的投影图。
【单选题】The PIC is the person legally ________ the aircraft and its flight safety and operation and would normally be the primary person liable for a violation of any flight rule.
【多选题】For flight safety, do not open the luggage compartment above your head during:
【判断题】信息安全面临的威胁有非授权访问、信息泄露和丢失、破化数据完整性。
【单选题】Pilots train on flight simulators for safety, learning efficiency, and cost savings. This is an example of ________.
A.
apprenticeship training
C.
vestibule training ( 技工培训 )
【判断题】信息安全面临的威胁有非授权访问、信息非法传播、破坏数据完整性。计算机病毒破坏、攻击网络服务系统、间谍软件。
【单选题】()是在一个水平投影面上标有高度数字的正投影图。常用来绘制地形图和道路、水利工程等方面的平面布置图样