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【单选题】
尾旋是飞机的飞行迎角超过临界迎角后,发生的一种连续的自动的旋转运动,其旋转轴为( )。
A.
滚转轴
B.
俯迎轴
C.
偏航轴
D.
同时绕以上三轴旋转
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A.
正确
B.
错误
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A.
广告学
B.
公共关系学
C.
心理学
D.
市场营销学
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A.
正确
B.
错误
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A.
正确
B.
错误
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【单选题】蓝色表示多少倍率?
A.
10 4
B.
10 5
C.
10 6
D.
10 7
【单选题】Id be______if you would complete and return the form. as soon as possible.
A.
obliging
B.
satisfying
C.
obliged
D.
satisfied
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