题目详情
单选题 <iframe src="/module/audioplay.html?objectid=5c19fd094fcb1876bb9a4eaa43f4eb54"></iframe> 短陈述
A. because of complex system
B. because of auto-landing system
C. because of modern radar systems
D. because of modern airplanes

学科:航空英语强化与提高
时间:2026-04-23 08:18:02
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