2797. The temperature gradient from sea level to the altitude at which the temperature is -565℃ (-697℉) is -000198℃ (-0003564℉) per foot and zero above that altitude

A. 保证所有的使用途径都满足适航要求。

B. 阐明我们所使用的所有方法都满足适航要求。

C. 确保我们所使用的所有方法都满足适航要求。

A. Removal of the cover is necessary

B. It is necessary to install the cover

C. lt is a must to remove the cover

A. Based on different airplane design. The Emergency Procedures and other pertinent information necessary for safe operation should only be provided for some airplane.

B. Based on the particular airplane design, operating or handling distinguishing feature, Emergency Procedures and related information must be provided.

C. The Emergency procedures and other special information necessary for safe operation shall be provided for emergencies that is common to all airplane design, operating or handling characteristics.

A. 当达到预设阈值时,烟雾探测器通过客舱内部通信数据系统触发警告。

B. 当预设的温度达到时,烟雾探测器会发出警告,通过客舱内部通信数据系统。

C. 当预设的数值达到时,客舱内部通信数据系统里的烟雾探测器会发出警告。

A. It is quite easy to understand long noun clusters because the words in the noun cluster have close relationship between each other.

B. It is difficult to understand long noun clusters because the words in the noun clusters can be connected to each other in different ways.

C. It is quite sure that long noun clusters are fairly hard to understand because the words in the noun cluster are related to each other in the same way.

A. 确保放置正确尺寸的部件

B. 确保更换的部件尺寸正确

C. 确保更换的部件位置正确

A. 球形轴承

B. 圆锥轴承

C. 圆柱轴承

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. 飞行表面包括襟翼、副翼、扰流板、调整片、阻力和平衡装置等;

B. 飞行表面包括副翼、襟翼、扰流板、调整片、阻力和平衡装置等;

C. 飞行表面包括副翼、襟翼、扰流板、调整片、拉力和平衡装置等;

A. The telescopic link assembly transmits activity loads from the axle to the shock strut.

B. The torsion link assembly transmits torsional loads from the axle to the shock strut.

C. The spring link assembly transmits elastic loads from the axle to the shock strut.