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单选题
THE AVIONICS VENTILATION SYSTEM PROVIDES COOLING FOR:
A
Avionics compartment
B
Avionics compartment and flight deck instruments
C
flight deck instruments and circuit breaker panels
D
Avionics compartment, flight deck instruments and circuit breaker panels
答案解析
正确答案：D
解析：
题目解析
题目要求选出飞机Avionics系统的通风系统提供冷却的部分。选项D包含了所有正确的部分：Avionics compartment（航电舱）、flight deck instruments（驾驶舱仪表）和circuit breaker panels（断路器面板）。因此，答案是D。
