第一章 单元测试

1、多选题：
Special use airspace（特殊用途空域）包括（ ）
选项：
A:Prohibited area（禁区）
B:Danger area（危险区）
C:General aviation（通用航空）
D:Unrestricted airspace（非限制空域）
E:Temporary Restricted area（临时限制区）
答案: 【Prohibited area（禁区）;
Danger area（危险区）;
Temporary Restricted area（临时限制区）】

2、单选题：
What does IFR stand for in aviation terminology（术语）? （ ）
选项：
A:International Flight Rules
B:Instrument Flight Regulations
C:Instrument Flight Rules
D:Visual Flight Regulations
答案: 【Instrument Flight Rules】

3、单选题：
Which of the following statements best describes the concept of "airspace"? （ ）
选项：
A:The portion of the atmosphere controlled by a country above its territory, including territorial waters（领海）, and is crucial to manage due to the variety and volume of aircraft.
B:The visible infrastructure that manages aircraft in the sky.
C:Only relevant for IFR flights and not for VFR flights.
D:The space directly above a country's landmass（陆地） and does not include territorial waters（领海）.
答案: 【The portion of the atmosphere controlled by a country above its territory, including territorial waters（领海）, and is crucial to manage due to the variety and volume of aircraft.】

4、单选题：
What is the primary purpose of Air Traffic Control Service? （ ）
选项：
A:To expedite and maintain an orderly flow of air traffic and prevent collisions
B:To provide weather forecasts
C:To provide navigation assistance only
D:To designate controlled and uncontrolled airspace
答案: 【To expedite and maintain an orderly flow of air traffic and prevent collisions】

5、单选题：
What is the main feature of RVSM airspace in terms of vertical separation between aircraft? （ ）
选项：
A:Aircraft are separated vertically by 300 meters (1,000 feet) between FL 290 and FL 410 inclusive.
B:Aircraft are separated vertically by 600 meters (2,000 feet).
C:Aircraft are not required to maintain a specific vertical separation in RVSM airspace.
D:Aircraft are separated vertically by 150 meters (500 feet).
答案: 【Aircraft are separated vertically by 300 meters (1,000 feet) between FL 290 and FL 410 inclusive.】

第二章 单元测试

1、单选题：
Which of the following terms refers to an internal combustion engine （内燃机）that uses one or more reciprocating pistons to convert pressure into a rotational motion（曲轴旋转运动）, commonly found in smaller aircraft? （ ）
选项：
A:Turboprop Engine
B:Piston / Reciprocating Engine
C:Turbojet Engine
D:Turbofan Engine
答案: 【Piston / Reciprocating Engine】

2、单选题：
What should pilots focus on when operating turbofan engines? （ ）
选项：
A:Control lift and rotor speed with power.
B:Monitor and manage thrust during flight phases.
C:Manage torque and propeller pitch.
D:Monitor temps and pressures to avoid overstress.
答案: 【Manage torque and propeller pitch.】

3、单选题：
Which of the following correctly describes the sequence of processes in a piston engine? （ ）
选项：
A:Power - Intake - Compression - Exhaust
B:Intake - Compression - Power - Exhaust
C:Compression - Intake - Power - Exhaust
D:Exhaust - Intake - Compression – Power
答案: 【Intake - Compression - Power - Exhaust】

4、单选题：
In the context of turbofan engine instrumentation, what does "N1" refer to? （ ）
选项：
A:The speed of the high-pressure compressor.
B:The speed of the low-pressure compressor and fan.
C:The pressure ratio of the air entering and exiting the turbine.
D:The temperature of the exhaust gas turbine.
答案: 【The speed of the low-pressure compressor and fan.】

5、单选题：
What is the primary purpose of the pre-flight checklist in aviation? （ ）
选项：
A:To document the pilot's personal preferences for in-flight meals.
B:To remind pilots of the aircraft's paint color and exterior design.
C:To serve as a record-keeping tool for pilots' flight hours.
D:To provide a structured process to ensure no critical checks are missed, enhancing safety.
答案: 【To provide a structured process to ensure no critical checks are missed, enhancing safety.】