A、 They comprise the three parts as follows:tail assembly,the structures at the rear of the airplane ,structures forming part of and attached to the wing.
B、 They include three parts,one of them is tail assembly,one of them is the structures part at the rear of the airplane,one of them is structures part that forming part of and attached to the wing.
C、 They include two parts,one of them is tail assembly at the rear of the airplane that serve to control and maneuver the aircraft,another of them is structures part that forming part of and attached to the wing.
答案：C
A、 They comprise the three parts as follows:tail assembly,the structures at the rear of the airplane ,structures forming part of and attached to the wing.
B、 They include three parts,one of them is tail assembly,one of them is the structures part at the rear of the airplane,one of them is structures part that forming part of and attached to the wing.
C、 They include two parts,one of them is tail assembly at the rear of the airplane that serve to control and maneuver the aircraft,another of them is structures part that forming part of and attached to the wing.
答案：C
A. 确保密封剂被完全挤出接触面边缘。
B. 确保沿接触面边缘持续涂抹封严胶。
C. 确保封严胶沿接触面边缘不断挤出。
A. 他拆下入口盖板来看是否有腐蚀的管路。
B. 他移开进入面板检查生锈的管道。
C. 他拆掉了近进盖板看到了腐蚀了的管路。
A. 在两个垫圈之间安装间隔装置。
B. 在两个清洗器之间安装垫片。
C. 在两个垫圈之间安装垫片。
A. On pressurized aircraft, the cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin. Typically, air is ducted to and released from ceiling ventilation.
B. Distribution of cabin air on pressurized aircraft is managed with a system of air ducts leading from the pressurization source into and throughout the cabin. Typically, air is ducted to and released from ceiling vents.
C. On pressurized aircraft cabin air is distributed with a system of air ducts leaded from the pressurization source into and throughout the cabin. Typically, air is ducted to and released from ceiling flap.
A. This compound is poisonous.
B. This composite is toxic.
C. This agent is volatile
A. This section includes all the fuel consumption information for the pilot to use during the flight and landing.
B. In this section, the pilot can find the recommending fuel saving information to use during takeoff and flight.
C. The recommended fuel conservation information shall be integrated into this section to show the pilot how to minimize the fuel usage during the operation of the airplane.
A. Separate the first part of the sentence as the subsequent items in the lateral list.
B. Apart the first part of the sentence from the subsequent items in the horizontal list.
C. Divide the first part of the sentence from the subsequent items in the vertical list.
A. 为了便于旅客和机组人员在紧急情况下快速撤离,所有主要旅客门也可以作为紧急出口.
B. 为了机组人员在紧急情况下从快速通道撤离,所有这些主要的门都应作为紧急撤离出口.
C. 为了便于有紧急事务的旅客快速离开，所有主要旅客门都可以作为紧急出口.
A. 旋转电位器，直到灯变暗。
B. 转动调节器，直到光线变暗。
C. 转动控制器，直到灯变亮。
A. 环境系统包括的那些装置和部件，提供增压、加热、冷却、湿度控制和过滤，并对压力密封的机身区域的通风空气进行处理。
B. 通风系统包括的装置和部件可以用于加压、加热、冷却，湿度控制、处理空气，从而为压力密封内区域通风。
C. 循环系统包括那些装置和部件，提供释压、加热、冷却、温度控制、压缩和处理空气，来为压边封严条内的区域通风。
