【单选题】无 人 机 电 气 系 统 一 般包 括 3 个 部 分
【单选题】—When did you buy this computer? It looks so new. —I it for only a couple of days. My sister bought it for me as a birthday present.
【多选题】无人机电气系统一般包括 ______ 。
【单选题】听力原文:Could you please look over this form. before I send it? (A) Yes, it looks like it might. (B) Sure, just leave it on my desk. (C) I don't have enough stamps. (6)