国际民航组织（ICAO）新的飞行标准。（）
- A、New flight standard of international civil aircraft organization (ICAO).
- B、New fly standard of international civil aircraft organization (ICAO).
- C、New fly standard of international civil aviation organization (ICAO).
- D、New flight standard of international civil aviation organization (ICAO).
正确答案:D
答案解析:有
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