A、 instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.
B、 instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be continuously checked for correct by the manufacturer or by some shop autherized by manufacturer.
C、 Electrical measuring instruments are delicate precision devices and calibrited.All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.
答案：C
A、 instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.
B、 instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be continuously checked for correct by the manufacturer or by some shop autherized by manufacturer.
C、 Electrical measuring instruments are delicate precision devices and calibrited.All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.
答案：C
A. The aircraft navigation systems provide the flight which is required by the crew,and meet the the most provisionally safety requirements.
B. The aircraft navigation systems provide the flight which is required by the crew,and meet the the most appropriate safety requirements.
C. The aircraft navigation systems provide the crew with the data required for flight within the most appropriate safety requirements.
A. 该规范包括一些新材料或新方法。
B. 该规范包含小型的新材料和新方法。
C. 该规范几乎不包括新材料或新方法。
A. 当释放液压时，活门按顺序打开。
B. 当液压被释放后，顺序活门移动到开位。
C. 当液压增压时，要按顺序移动来打开活门。
A. The reserved 45 minutes for use in aircraft cruising power shall be calculated. Chart should provide information of the calculation method for the reserve.
B. To reserve 45 minutes for the flight at cruising power is calculated. The calculation method of reserves should provide additional diagrams and related instructions.
C. Reserve shall be computed as 45 minutes at the cruise power to be used for the flight. The explanation information presented with the chart should explain how the reserve was computed.
A. Manuals for all single engine aircraft, except those that have been shown to be "critically unable to stall", should have procedures for recovering from a stall.
B. Handbooks for all single engine airplanes, other than for those airplanes which have been shown to be "characteristically incapable of spinning" shall contain procedures for recovery from spins.
C. Manuals for single engine aircraft, otherwise these that have been proved to be "featured unable to spin", should include steps for recovering from a spiral.
A. 计算器，在计算机中，是一种与算术逻辑单元有关系的特别存储注册设备，用来保持计算结果或数据传输。
B. 蓄压器，在计算系统中，是一种与算术逻辑组件相连接的特别存储寄存器，用来控制统计结果或数据传输。
C. 在计算机中，存储器是一种与算术逻辑组件有关系的特别存储寄存器，用来存放运算结果或数据传输。
A. 对于增压飞机和涡轮增压或涡轮螺旋桨飞机，应规定最大高度限制
B. 增压飞机、涡轮增压飞机或涡轮螺旋桨动力飞机，对于最高飞行高度有陈述。
C. 对于涡轮增压或涡轮螺旋桨飞机，可以提供最大高度限制。
A. Make sure that the pressure in the cabin is almost zero.
B. Verify that the cabin pressure is not above zero.
C. Ensure that the pressure in the cabin is completely zero.
A. 将孔铰成比标准尺寸大0.20英寸。
B. 将孔铰成比标准尺寸大0.20英尺。
C. 将孔定位成比标准尺寸大0.20英寸。
A. 当您提供液压时，确保操纵杆不会接触停止（1）。
B. 当您施加液压时，确保连杆不接触止动块（1）。
C. 当您使用液压时，确保操纵杆不接触止动块（1）。
