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【单选题】
I liked flying a kite ______ I was a child. [ ]A.
before
B.
since
C.
when
D.
until
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反馈参考答案：
举一反三
【简答题】______是指按照计划为达成物流目的而设计的相互作用的要素的统一体。
【单选题】Why can't the coach verify Nick's reason for not playing?
A.
It's impossible to see a sprain on an X-ray.
B.
The coach doesn't believe that Nick was really injured.
C.
The coach refuses to talk with anyone about it.
【简答题】The coach is happy to see the team's (recover) from defeat.
【简答题】展示设计中会受到哪些因素的影响？
【单选题】MA60飞机为什么在机身下部装有灭火系统迫降终点开关？
A.
为正常灭火系统故障做备份释放灭火瓶
B.
部分起落架迫降着陆后火警灭火使用
C.
无起落架迫降后，打开左右气压电磁阀使I、II组灭火瓶同时释放预防性灭火
D.
为飞行中发动机舱预防性灭火
【单选题】The coach is happy to see the team’s _________ from defeat.
A.
prolonged
B.
potential
C.
permanent
D.
recovery
E.
unsterilized
【单选题】某飞机前起落架以液压为正常收放的动力,当着陆发生液压故障时的处置
A.
人工压开电动液压活门,由动作筒放下.
B.
人力打开起落架舱门并推下起落架.
C.
操纵人工开锁手柄,打开起落架收上锁,靠起落架自身重力及迎面气流的冲压作用放下.
D.
只能采取迫降措施.
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