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问题 单项选择题

地面维护人员与驾驶舱机组人员通话时，通常使用P19板上的飞行内话插孔能否使用P19板上的服务内话插孔（）。

A.不能

B.可以，但需将P5板上的服务内话电门置“ON”位

C.服务内话电门置“ON”位，也不能

D.能，无需将服务内话电门置“ON”位

答案

参考答案：B

单项选择题

根据《国家赔偿法》，造成公民死亡的，对其生前扶养的未成年人以外的其他无劳动能力的人，生活费给付至( )止。

A．60周岁时

B．70周岁时

C．80周岁时

D．死亡时
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单项选择题

Virtual reality (or VR (65) is kind of a buzzword these days in computer graphics.VR is artificial reality created by a computer that is so enveloping that it is perceived by the mind as being truly real.VR exists in many (66) .A traditional view of virtual reality uses headsets and data gloves.The headset serves as the eyes and ears to your virtual world,projecting sights and sounds generated by the computer.The data glove becomes your hand,enabling you to interact with this (67) world.As you move your head around,the computer will track your motion and display the right image.VR is the most demanding (68) for computer graphics,requiring hardware and software capable of supporting realtime 3D (69) .

66（）

A.form 

B.forms 

C.format 

D.shape
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